opning ports for testing

overlays/default.nix

@@ -55,7 +55,6 @@
         polars
         psycopg
         pydantic
-        pydantic-settings
         pyfakefs
         pytest
         pytest-cov
@@ -65,6 +64,7 @@
         ruff
         scalene
         sqlalchemy
+        sqlalchemy
         bm25s
         tenacity
         textual

pyproject.toml

@@ -3,7 +3,7 @@ name = "system_tools"
 version = "0.1.0"
 description = ""
 authors = [{ name = "Richie Cahill", email = "richie@tmmworkshop.com" }]
-requires-python = "~=3.14.0"
+requires-python = "~=3.13.0"
 readme = "README.md"
 license = "MIT"
 # these dependencies are a best effort and aren't guaranteed to work
@@ -12,23 +12,20 @@ dependencies = [
     "alembic",
     "apprise",
     "apscheduler",
-    "fastapi",
-    "fastapi-cli",
     "httpx",
+    "python-multipart",
     "polars",
     "psycopg[binary]",
     "pydantic",
-    "pydantic-settings",
-    "python-multipart",
+    "pyyaml",
     "sqlalchemy",
-    "tenacity",
-    "tinytuya",
     "typer",
     "websockets",
 ]
 
 [project.scripts]
 database = "python.database_cli:app"
+van-inventory = "python.van_inventory.main:serve"
 whisper-transcribe = "python.tools.whisper.transcribe:main"
 
 [dependency-groups]
@@ -44,7 +41,7 @@ dev = [
 
 [tool.ruff]
 
-target-version = "py314"
+target-version = "py313"
 
 line-length = 120
 

python/api/main.py

@@ -1,10 +1,9 @@
 """FastAPI interface for Contact database."""
 
-from __future__ import annotations
-
 import logging
+from collections.abc import AsyncIterator
 from contextlib import asynccontextmanager
-from typing import TYPE_CHECKING, Annotated
+from typing import Annotated
 
 import typer
 import uvicorn
@@ -15,9 +14,6 @@ from python.common import configure_logger
 from python.fastapi_tools import ZstdMiddleware
 from python.orm.common import get_postgres_engine
 
-if TYPE_CHECKING:
-    from collections.abc import AsyncIterator
-
 logger = logging.getLogger(__name__)
 
 

python/api/routers/contact.py

@@ -9,7 +9,7 @@ from pydantic import BaseModel
 from sqlalchemy import select
 from sqlalchemy.orm import selectinload
 
-from python.fastapi_tools.db import DbSession  # noqa: TC001 this is a FastAPI needed at runtime
+from python.fastapi_tools.db import DbSession
 from python.orm.richie.contact import Contact, ContactRelationship, Need, RelationshipType
 
 TEMPLATES_DIR = Path(__file__).parent.parent / "templates"

python/api/routers/views.py

@@ -9,7 +9,7 @@ from fastapi.templating import Jinja2Templates
 from sqlalchemy import select
 from sqlalchemy.orm import Session, selectinload
 
-from python.fastapi_tools.db import DbSession  # noqa: TC001 this is a FastAPI needed at runtime
+from python.fastapi_tools.db import DbSession
 from python.orm.richie.contact import Contact, ContactRelationship, Need, RelationshipType
 
 TEMPLATES_DIR = Path(__file__).parent.parent / "templates"

python/database_cli.py

@@ -4,10 +4,12 @@ Usage:
     database <db_name> <command> [args...]
 
 Examples:
+    database van_inventory upgrade head
+    database van_inventory downgrade head-1
+    database van_inventory revision --autogenerate -m "add meals table"
+    database van_inventory check
     database richie check
     database richie upgrade head
-    database richie downgrade head-1
-    database richie revision --autogenerate -m "add meals table"
 """
 
 from __future__ import annotations
@@ -46,7 +48,10 @@ class DatabaseConfig:
 
     def alembic_config(self) -> Config:
         """Build an alembic Config for this database."""
-        cfg = Config()
+        # Runtime import needed — Config is in TYPE_CHECKING for the return type annotation
+        from alembic.config import Config as AlembicConfig  # noqa: PLC0415
+
+        cfg = AlembicConfig()
         cfg.set_main_option("script_location", self.script_location)
         cfg.set_main_option("file_template", self.file_template)
         cfg.set_main_option("prepend_sys_path", ".")
@@ -71,6 +76,13 @@ DATABASES: dict[str, DatabaseConfig] = {
         base_class_name="RichieBase",
         models_module="python.orm.richie",
     ),
+    "van_inventory": DatabaseConfig(
+        env_prefix="VAN_INVENTORY",
+        version_location="python/alembic/van_inventory/versions",
+        base_module="python.orm.van_inventory.base",
+        base_class_name="VanInventoryBase",
+        models_module="python.orm.van_inventory.models",
+    ),
 }
 
 

python/ebook_search/api/dependencies.py

@@ -1,24 +0,0 @@
-"""FastAPI dependencies for the EPUB search app."""
-
-from __future__ import annotations
-
-from typing import Annotated
-
-from fastapi import Depends, Request
-from sqlalchemy.engine import Engine
-
-from python.ebook_search.config import EbookSearchConfig
-
-
-def get_config(request: Request) -> EbookSearchConfig:
-    """Get the loaded search config from app state."""
-    return request.app.state.config
-
-
-def get_engine(request: Request) -> Engine:
-    """Get the database engine from app state."""
-    return request.app.state.engine
-
-
-AppConfig = Annotated[EbookSearchConfig, Depends(get_config)]
-AppEngine = Annotated[Engine, Depends(get_engine)]

python/ebook_search/api/main.py

@@ -14,7 +14,7 @@ from sqlalchemy.orm import Session
 
 from python.common import configure_logger
 from python.ebook_search.api.bm25_tasks import cancel_bm25_refresh
-from python.ebook_search.api.routes import admin_router, health_router, page_router, search_router
+from python.ebook_search.api.routes import admin_router, page_router, search_router
 from python.ebook_search.api.web import STATIC_DIR
 from python.ebook_search.bm25_corpus import ensure_bm25_corpus
 from python.ebook_search.config import load_config
@@ -32,24 +32,9 @@ logger = logging.getLogger(__name__)
 async def lifespan(app: FastAPI) -> AsyncIterator[None]:
     """Manage application startup and shutdown resources."""
     logger.info("ebook_search_startup")
-    config = load_config()
-    app.state.config = config
-    logger.info(
-        "ebook_search_config_loaded top_k=%s embedding_model=%s embedding_base_url=%s vllm_base_url=%s "
-        "rerank_enabled=%s answer_enabled=%s library_paths=%s",
-        config.top_k,
-        config.embedding_model,
-        config.embedding_base_url,
-        config.vllm_base_url,
-        config.rerank.enabled,
-        config.answer_enabled,
-        len(config.library_paths),
-    )
-    if not config.library_paths:
-        logger.warning("ebook_search_no_library_paths_configured")
     app.state.engine = get_postgres_engine(name="RICHIE", vector_engine=True)
     with Session(app.state.engine) as session:
-        ensure_bm25_corpus(session, config)
+        ensure_bm25_corpus(session, app.state.config)
     try:
         yield
     finally:
@@ -63,9 +48,17 @@ def create_app() -> FastAPI:
     app = FastAPI(title="EPUB Search", lifespan=lifespan)
     app.add_middleware(ZstdMiddleware)
     app.mount("/static", StaticFiles(directory=STATIC_DIR), name="static")
+    app.state.config = load_config()
+    logger.info(
+        "ebook_search_config_loaded top_k=%s embedding_model=%s rerank_enabled=%s answer_enabled=%s library_paths=%s",
+        app.state.config.top_k,
+        app.state.config.embedding_model,
+        app.state.config.rerank.enabled,
+        app.state.config.answer_enabled,
+        len(app.state.config.library_paths),
+    )
 
     app.include_router(admin_router)
-    app.include_router(health_router)
     app.include_router(page_router)
     app.include_router(search_router)
 

python/ebook_search/api/routes/__init__.py

@@ -1,13 +1,11 @@
 """EPUB search web route modules."""
 
 from python.ebook_search.api.routes.admin import router as admin_router
-from python.ebook_search.api.routes.health import router as health_router
 from python.ebook_search.api.routes.page import router as page_router
 from python.ebook_search.api.routes.search import router as search_router
 
 __all__ = [
     "admin_router",
-    "health_router",
     "page_router",
     "search_router",
 ]

python/ebook_search/api/routes/admin.py

@@ -3,35 +3,38 @@
 from __future__ import annotations
 
 import logging
+from dataclasses import replace
 
 from fastapi import APIRouter, Request
 from fastapi.responses import HTMLResponse
+from sqlalchemy.orm import Session
 
 from python.ebook_search.api.bm25_tasks import schedule_bm25_refresh
-from python.ebook_search.api.dependencies import AppConfig
 from python.ebook_search.api.web import templates
 from python.ebook_search.embeddings import embed_missing_chunks, embedding_model_stats
 from python.ebook_search.ingest import ingest_configured_paths
-from python.fastapi_tools import DbSession
 
 logger = logging.getLogger(__name__)
 
 router = APIRouter(prefix="/admin")
+EMBED_ALL_BATCH_SIZE = 32
 
 
 @router.get("", response_class=HTMLResponse)
-def admin(request: Request, config: AppConfig, session: DbSession) -> HTMLResponse:
+def admin(request: Request) -> HTMLResponse:
     """Render the admin page."""
+    with Session(request.app.state.engine) as session:
         stats = embedding_model_stats(session)
     logger.info("ebook_admin_page_loaded models=%s", len(stats))
-    return templates.TemplateResponse(request, "admin.html", {"config": config, "stats": stats})
+    return templates.TemplateResponse(request, "admin.html", {"config": request.app.state.config, "stats": stats})
 
 
 @router.post("/scan", response_class=HTMLResponse)
-def scan_library(request: Request, config: AppConfig, session: DbSession) -> HTMLResponse:
+def scan_library(request: Request) -> HTMLResponse:
     """Scan configured library paths for EPUB changes."""
     try:
-        count = ingest_configured_paths(session, config)
+        with Session(request.app.state.engine) as session:
+            count = ingest_configured_paths(session, request.app.state.config)
             session.commit()
     except Exception as error:
         logger.exception("ebook_admin_scan_failed")
@@ -44,10 +47,11 @@ def scan_library(request: Request, config: AppConfig, session: DbSession) -> HTM
 
 
 @router.post("/embed-missing", response_class=HTMLResponse)
-def embed_missing(request: Request, config: AppConfig, session: DbSession) -> HTMLResponse:
+def embed_missing(request: Request) -> HTMLResponse:
     """Embed chunks missing vectors for the configured model."""
     try:
-        count = embed_missing_chunks(session, config)
+        with Session(request.app.state.engine) as session:
+            count = embed_missing_chunks(session, request.app.state.config)
             session.commit()
     except Exception as error:
         logger.exception("ebook_admin_embed_missing_failed")
@@ -62,11 +66,13 @@ def embed_missing(request: Request, config: AppConfig, session: DbSession) -> HT
 
 
 @router.post("/embed-all", response_class=HTMLResponse)
-def embed_all(request: Request, config: AppConfig, session: DbSession) -> HTMLResponse:
+def embed_all(request: Request) -> HTMLResponse:
     """Embed all chunks missing vectors in fixed-size batches."""
     total = 0
     batches = 0
+    config = replace(request.app.state.config, embedding_batch_size=EMBED_ALL_BATCH_SIZE)
     try:
+        with Session(request.app.state.engine) as session:
             while True:
                 count = embed_missing_chunks(session, config)
                 if count == 0:
@@ -97,5 +103,5 @@ def embed_all(request: Request, config: AppConfig, session: DbSession) -> HTMLRe
     return templates.TemplateResponse(
         request,
         "partials/admin_status.html",
-        {"message": f"Embedded {total} chunks in {batches} batches of {config.embedding_batch_size}"},
+        {"message": f"Embedded {total} chunks in {batches} batches of {EMBED_ALL_BATCH_SIZE}"},
     )

python/ebook_search/api/routes/health.py

@@ -1,95 +0,0 @@
-"""Liveness and readiness routes for the EPUB search service."""
-
-from __future__ import annotations
-
-import logging
-from http import HTTPStatus
-from typing import TYPE_CHECKING
-
-from fastapi import APIRouter
-from fastapi.responses import JSONResponse
-from sqlalchemy import literal, select
-from sqlalchemy.exc import SQLAlchemyError
-
-from python.ebook_search.api.dependencies import AppConfig
-from python.ebook_search.bm25_corpus import bm25_index_exists, bm25_index_path, read_bm25_manifest
-from python.ebook_search.llm_interface import check_chat_endpoint, check_embedding_endpoint
-from python.fastapi_tools import DbSession
-
-if TYPE_CHECKING:
-    from sqlalchemy.orm import Session
-
-    from python.ebook_search.config import EbookSearchConfig
-
-logger = logging.getLogger(__name__)
-
-router = APIRouter()
-
-
-@router.get("/health")
-def health() -> dict[str, str]:
-    """Liveness probe that returns ok without touching dependencies."""
-    return {"status": "ok"}
-
-
-@router.get("/ready")
-def ready(config: AppConfig, session: DbSession) -> JSONResponse:
-    """Readiness probe reporting database, embedding endpoint, and BM25 index status."""
-    database_ok = check_database(session)
-    embedding_ok = check_embedding_endpoint(config)
-    chat_status = chat_endpoint_status(config)
-    bm25_status = check_bm25_status(config)
-
-    checks = {
-        "database": "ok" if database_ok else "fail",
-        "embedding": "ok" if embedding_ok else "fail",
-        "chat": chat_status,
-        "bm25": bm25_status,
-    }
-    if not database_ok:
-        status = "unavailable"
-        status_code = HTTPStatus.SERVICE_UNAVAILABLE
-    elif not embedding_ok or chat_status == "fail" or bm25_status == "missing":
-        status = "degraded"
-        status_code = HTTPStatus.OK
-    else:
-        status = "ready"
-        status_code = HTTPStatus.OK
-
-    logger.info(
-        "ebook_ready_check status=%s database=%s embedding=%s chat=%s bm25=%s",
-        status,
-        database_ok,
-        embedding_ok,
-        chat_status,
-        bm25_status,
-    )
-    return JSONResponse(content={"status": status, "checks": checks}, status_code=status_code)
-
-
-def chat_endpoint_status(config: EbookSearchConfig) -> str:
-    """Return the answering chat endpoint status, or disabled when answers are off."""
-    if not config.answer_enabled:
-        return "disabled"
-    return "ok" if check_chat_endpoint(config) else "fail"
-
-
-def check_database(session: Session) -> bool:
-    """Return whether the database answers a trivial query."""
-    try:
-        session.execute(select(literal(1)))
-    except SQLAlchemyError as error:
-        logger.warning("ebook_ready_database_unavailable error=%s", error)
-        return False
-    return True
-
-
-def check_bm25_status(config: EbookSearchConfig) -> str:
-    """Return the persisted BM25 index status without loading it into memory."""
-    index_path = bm25_index_path(config)
-    manifest = read_bm25_manifest(index_path)
-    if manifest is None or not bm25_index_exists(index_path, manifest):
-        return "missing"
-    if manifest.chunk_count == 0:
-        return "empty"
-    return "ok"

python/ebook_search/api/routes/page.py

@@ -7,10 +7,9 @@ import logging
 from fastapi import APIRouter, Request
 from fastapi.responses import HTMLResponse
 from sqlalchemy import select
+from sqlalchemy.orm import Session
 
-from python.ebook_search.api.dependencies import AppConfig
 from python.ebook_search.api.web import templates
-from python.fastapi_tools import DbSession
 from python.orm.richie import EbookSource
 
 logger = logging.getLogger(__name__)
@@ -19,22 +18,24 @@ router = APIRouter()
 
 
 @router.get("/", response_class=HTMLResponse)
-def index(request: Request, config: AppConfig) -> HTMLResponse:
+def index(request: Request) -> HTMLResponse:
     """Render the search page."""
-    return templates.TemplateResponse(request, "search.html", {"config": config})
+    return templates.TemplateResponse(request, "search.html", {"config": request.app.state.config})
 
 
 @router.get("/books", response_class=HTMLResponse)
-def books(request: Request, session: DbSession) -> HTMLResponse:
+def books(request: Request) -> HTMLResponse:
     """Render the indexed books page."""
+    with Session(request.app.state.engine) as session:
         sources = list(session.scalars(select(EbookSource).order_by(EbookSource.title)).all())
     logger.info("ebook_books_page_loaded count=%s", len(sources))
     return templates.TemplateResponse(request, "books.html", {"sources": sources})
 
 
 @router.get("/books/{source_id}", response_class=HTMLResponse)
-def book_detail(source_id: int, request: Request, session: DbSession) -> HTMLResponse:
+def book_detail(source_id: int, request: Request) -> HTMLResponse:
     """Render details for one indexed book."""
+    with Session(request.app.state.engine) as session:
         source = session.get(EbookSource, source_id)
         if source is not None:
             chapter_count = len(source.chapters)

python/ebook_search/api/routes/search.py

@@ -11,16 +11,8 @@ from fastapi import APIRouter, Form, Request
 from fastapi.responses import HTMLResponse
 
 from python.ebook_search.answer import answer_query
-from python.ebook_search.api.dependencies import AppConfig, AppEngine
 from python.ebook_search.api.web import templates
-from python.ebook_search.config import EbookSearchConfig
-from python.ebook_search.guardrails import (
-    CitationReport,
-    is_confident,
-    retrieval_confidence,
-    validate_citations,
-)
-from python.ebook_search.search import SearchResponse, search_ebooks
+from python.ebook_search.search import search_ebooks
 from python.ebook_search.timing import runtime_step_from_start
 
 logger = logging.getLogger(__name__)
@@ -28,64 +20,30 @@ logger = logging.getLogger(__name__)
 router = APIRouter()
 
 
-def build_answer(
-    query: str,
-    response: SearchResponse,
-    config: EbookSearchConfig,
-) -> tuple[str, bool, CitationReport | None]:
-    """Generate the answer for a search, returning ``(answer, low_confidence, citation_report)``."""
-    if not config.answer_enabled:
-        logger.info("ebook_answer_skipped_disabled")
-        return "Answer generation is disabled. Source chunks are shown below.", False, None
-
-    if not is_confident(response.results, config):
-        logger.info(
-            "ebook_answer_low_confidence confidence=%.4f threshold=%.4f",
-            retrieval_confidence(response.results),
-            config.min_retrieval_confidence,
-        )
-        answer = (
-            "Retrieval confidence is low for this query, so answer generation was skipped. "
-            "Source chunks are shown below."
-        )
-        return answer, True, None
-
-    try:
-        answer = answer_query(query, response.results, config)
-    except RuntimeError as error:
-        logger.warning("ebook_answer_request_failed_falling_back error=%s", error)
-        return "Answer generation failed. Source chunks are still shown below.", False, None
-
-    citation_report = None
-    if config.validate_citations_enabled and response.results:
-        citation_report = validate_citations(answer, len(response.results))
-        if citation_report.invalid or not citation_report.grounded:
-            logger.warning(
-                "ebook_answer_citation_issue invalid=%s grounded=%s",
-                citation_report.invalid,
-                citation_report.grounded,
-            )
-    return answer, False, citation_report
-
-
 @router.post("/search", response_class=HTMLResponse)
 def search(
     request: Request,
-    config: AppConfig,
-    engine: AppEngine,
     query: Annotated[str, Form()],
     rerank: Annotated[str | None, Form()] = None,
 ) -> HTMLResponse:
     """Run a search and render HTMX results."""
     try:
-        response = search_ebooks(engine, query, config, rerank=rerank == "true")
+        response = search_ebooks(request.app.state.engine, query, request.app.state.config, rerank=rerank == "true")
     except Exception as error:
         logger.exception("ebook_search_request_failed")
         return templates.TemplateResponse(request, "partials/error.html", {"message": str(error)}, status_code=500)
 
     answer_start = perf_counter()
-    answer, low_confidence, citation_report = build_answer(query, response, config)
-    answer_step_name = "Answer generation" if config.answer_enabled else "Answer skipped"
+    if request.app.state.config.answer_enabled:
+        try:
+            answer = answer_query(query, response.results, request.app.state.config)
+        except RuntimeError as error:
+            logger.warning("ebook_answer_request_failed_falling_back error=%s", error)
+            answer = "Answer generation failed. Source chunks are still shown below."
+    else:
+        logger.info("ebook_answer_skipped_disabled")
+        answer = "Answer generation is disabled. Source chunks are shown below."
+    answer_step_name = "Answer generation" if request.app.state.config.answer_enabled else "Answer skipped"
     response = replace(
         response,
         timings=(*response.timings, runtime_step_from_start(answer_step_name, answer_start)),
@@ -97,13 +55,4 @@ def search(
         response.rank_label,
         response.total_runtime_ms,
     )
-    return templates.TemplateResponse(
-        request,
-        "partials/results.html",
-        {
-            "answer": answer,
-            "response": response,
-            "low_confidence": low_confidence,
-            "citation_report": citation_report,
-        },
-    )
+    return templates.TemplateResponse(request, "partials/results.html", {"answer": answer, "response": response})

python/ebook_search/api/static/style.css

@@ -138,12 +138,3 @@ th {
     color: #9f1d20;
     font-weight: 700;
 }
-
-.notice {
-    margin: 8px 0;
-    padding: 8px 12px;
-    border-left: 4px solid #c8881d;
-    background: #fcf3e2;
-    color: #6b4a06;
-    font-weight: 600;
-}

python/ebook_search/api/templates/partials/results.html

@@ -23,16 +23,6 @@
 {% endif %}
 <section class="answer">
     <h2>Answer</h2>
-    {% if low_confidence|default(false) %}
-        <p class="notice">Low retrieval confidence — answer generation was skipped.</p>
-    {% endif %}
-    {% set report = citation_report|default(none) %}
-    {% if report is not none and not report.grounded %}
-        <p class="notice">Unverified — no source citations were found in this answer.</p>
-    {% endif %}
-    {% if report is not none and report.invalid %}
-        <p class="notice">Invalid citations: {{ report.invalid|join(", ") }} (no matching source).</p>
-    {% endif %}
     <p>{{ answer }}</p>
 </section>
 {% if response.results %}

python/ebook_search/config.py

@@ -2,15 +2,88 @@
 
 from __future__ import annotations
 
+from dataclasses import dataclass
 from os import getenv
-from typing import Annotated, Self
-
-from pydantic import AliasChoices, Field, field_validator, model_validator
-from pydantic_settings import BaseSettings, NoDecode, SettingsConfigDict
 
 
-def normalize_embedding_alias(model: str) -> str:
-    """Normalize a supported embedding alias to its provider model name."""
+def getenv_bool(name: str, *, default: bool) -> bool:
+    """Read a boolean environment variable with a default fallback."""
+    value = getenv(name)
+    if value is None:
+        return default
+    return value.strip().lower() in {"1", "true", "yes", "on"}
+
+
+def getenv_int(name: str, *, default: int) -> int:
+    """Read an integer environment variable with a default fallback."""
+    value = getenv(name)
+    if value is None or not value.strip():
+        return default
+    return int(value)
+
+
+@dataclass(frozen=True)
+class RerankConfig:
+    """vLLM reranker settings."""
+
+    enabled: bool = False
+    base_url: str = "http://192.168.90.25:8001"
+    model: str = "qwen3-reranker-06b"
+    candidates: int = 24
+    timeout_seconds: float = 30.0
+
+
+@dataclass(frozen=True)
+class EbookSearchConfig:
+    """Runtime settings for EPUB search."""
+
+    rerank: RerankConfig
+    top_k: int = 12
+    library_paths: tuple[str, ...] = ()
+    vllm_base_url: str = "https://ollama.com/v1"
+    vllm_api_key: str = "not-needed"
+    chat_model: str = "deepseek-v4-flash"
+    answer_enabled: bool = True
+    embedding_base_url: str = "http://192.168.90.25:8000/v1"
+    embedding_api_key: str = "not-needed"
+    embedding_model: str = "qwen3-embedding-0.6b"
+    embedding_batch_size: int = 32
+    bm25_index_dir: str = ".ebook_search_bm25"
+    bm25_refresh_delay_seconds: int = 60
+
+
+def load_rerank_config() -> RerankConfig:
+    """Load reranker config from environment variables."""
+    return RerankConfig(
+        enabled=getenv_bool("EBOOK_SEARCH_RERANK_ENABLED", default=False),
+        base_url=getenv("EBOOK_SEARCH_RERANK_BASE_URL", "http://192.168.90.25:8001"),
+        model=getenv("EBOOK_SEARCH_RERANK_MODEL", "qwen3-reranker-06b"),
+        candidates=getenv_int("EBOOK_SEARCH_RERANK_CANDIDATES", default=24),
+        timeout_seconds=float(getenv_int("EBOOK_SEARCH_RERANK_TIMEOUT_SECONDS", default=30)),
+    )
+
+
+def load_config() -> EbookSearchConfig:
+    """Load EPUB search config from environment variables."""
+    return EbookSearchConfig(
+        rerank=load_rerank_config(),
+        top_k=getenv_int("EBOOK_SEARCH_TOP_K", default=12),
+        library_paths=library_paths_from_env(),
+        vllm_base_url=getenv("EBOOK_SEARCH_VLLM_BASE_URL", "https://ollama.com/v1"),
+        vllm_api_key=getenv("EBOOK_SEARCH_VLLM_API_KEY") or getenv("OLLAMA_API_KEY") or "not-needed",
+        chat_model=getenv("EBOOK_SEARCH_CHAT_MODEL", "deepseek-v4-flash"),
+        answer_enabled=getenv_bool("EBOOK_SEARCH_ANSWER_ENABLED", default=True),
+        embedding_base_url=getenv("EBOOK_SEARCH_EMBEDDING_BASE_URL", "http://192.168.90.25:8000/v1"),
+        embedding_api_key=getenv("EBOOK_SEARCH_EMBEDDING_API_KEY", "not-needed"),
+        embedding_model=normalize_embedding_model(),
+        embedding_batch_size=getenv_int("EBOOK_SEARCH_EMBEDDING_BATCH_SIZE", default=32),
+        bm25_index_dir=getenv("EBOOK_SEARCH_BM25_INDEX_DIR", ".ebook_search_bm25"),
+        bm25_refresh_delay_seconds=getenv_int("EBOOK_SEARCH_BM25_REFRESH_DELAY_SECONDS", default=60),
+    )
+
+
+def normalize_embedding_model(default: str = "qwen3-embedding-0.6b") -> str:
+    """Normalize supported embedding aliases to provider model names."""
     aliases = {
         "Qwen3-Embedding-0.6B": "qwen3-embedding-0.6b",
         "Qwen3-Embedding-4B": "qwen3-embedding-4b",
@@ -25,102 +98,20 @@ def normalize_embedding_alias(model: str) -> str:
         "qwen3-embedding-4b": "qwen3-embedding-4b",
         "qwen3-embedding-8b": "qwen3-embedding-8b",
     }
+
+    model = getenv("EBOOK_SEARCH_EMBEDDING_MODEL", default)
     standard_model = aliases.get(model)
+
     if standard_model is None:
         error = f"Embedding model {model} is not supported. Supported models are {aliases.keys()}"
         raise ValueError(error)
+
     return standard_model
 
 
-def normalize_embedding_model(default: str = "qwen3-embedding-0.6b") -> str:
-    """Normalize the configured embedding alias to its provider model name."""
-    return normalize_embedding_alias(getenv("EBOOK_SEARCH_EMBEDDING_MODEL", default))
-
-
-class RerankConfig(BaseSettings):
-    """vLLM reranker settings."""
-
-    model_config = SettingsConfigDict(env_prefix="EBOOK_SEARCH_RERANK_", frozen=True, protected_namespaces=())
-
-    enabled: bool = False
-    base_url: str = "http://192.168.90.25:8001"
-    model: str = "qwen3-reranker-06b"
-    candidates: int = 24
-    timeout_seconds: float = 30.0
-    score_weight: float = 0.7
-    hybrid_weight: float = 0.3
-
-
-class EbookSearchConfig(BaseSettings):
-    """Runtime settings for EPUB search."""
-
-    model_config = SettingsConfigDict(
-        env_prefix="EBOOK_SEARCH_",
-        frozen=True,
-        populate_by_name=True,
-        protected_namespaces=(),
-    )
-
-    rerank: RerankConfig = Field(default_factory=RerankConfig)
-    top_k: int = 12
-    library_paths: Annotated[tuple[str, ...], NoDecode] = ()
-    chunk_tokens: int = 700
-    chunk_overlap: int = 100
-    vllm_base_url: str = "https://ollama.com/v1"
-    vllm_api_key: str = Field(
-        default="not-needed",
-        validation_alias=AliasChoices("EBOOK_SEARCH_VLLM_API_KEY", "OLLAMA_API_KEY"),
-    )
-    chat_model: str = "deepseek-v4-flash"
-    answer_enabled: bool = True
-    embedding_base_url: str = "http://192.168.90.25:8000/v1"
-    embedding_api_key: str = "not-needed"
-    embedding_model: str = "qwen3-embedding-0.6b"
-    embedding_batch_size: int = 32
-    embedding_timeout_seconds: float = 60.0
-    chat_timeout_seconds: float = 60.0
-    vector_candidate_multiplier: int = 4
-    bm25_candidate_limit: int = 120
-    rrf_rank_constant: int = 60
-    min_retrieval_confidence: float = 0.0
-    validate_citations_enabled: bool = True
-    bm25_index_dir: str = ".ebook_search_bm25"
-    bm25_refresh_delay_seconds: int = 60
-
-    @field_validator("library_paths", mode="before")
-    @classmethod
-    def split_library_paths(cls, value: object) -> object:
-        """Split a colon-separated library path string into a tuple of paths."""
-        if isinstance(value, str):
+def library_paths_from_env() -> tuple[str, ...]:
+    """Read configured EPUB library paths from the environment."""
+    value = getenv("EBOOK_SEARCH_LIBRARY_PATHS")
+    if value is None:
+        return ()
     return tuple(path for path in value.split(":") if path)
-        return value
-
-    @field_validator("embedding_model")
-    @classmethod
-    def normalize_embedding(cls, value: str) -> str:
-        """Normalize the configured embedding alias to its provider model name."""
-        return normalize_embedding_alias(value)
-
-    @model_validator(mode="after")
-    def validate_runtime_consistency(self) -> Self:
-        """Reject configurations that cannot serve the features they enable."""
-        if not self.embedding_base_url.strip():
-            msg = "embedding_base_url must be set"
-            raise ValueError(msg)
-        if self.answer_enabled and (not self.vllm_base_url.strip() or not self.chat_model.strip()):
-            msg = "answer_enabled requires vllm_base_url and chat_model to be set"
-            raise ValueError(msg)
-        if self.rerank.enabled and not self.rerank.base_url.strip():
-            msg = "rerank.enabled requires rerank.base_url to be set"
-            raise ValueError(msg)
-        return self
-
-
-def load_rerank_config() -> RerankConfig:
-    """Load reranker config from environment variables."""
-    return RerankConfig()
-
-
-def load_config() -> EbookSearchConfig:
-    """Load EPUB search config from environment variables."""
-    return EbookSearchConfig()

python/ebook_search/guardrails.py

@@ -1,57 +0,0 @@
-"""Serve-time output guardrails for retrieval confidence and answer citations."""
-
-from __future__ import annotations
-
-import re
-from dataclasses import dataclass
-from typing import TYPE_CHECKING
-
-if TYPE_CHECKING:
-    from python.ebook_search.config import EbookSearchConfig
-    from python.ebook_search.search import SearchResult
-
-CITATION_RE = re.compile(r"\[(\d+)\]")
-
-
-def retrieval_confidence(results: list[SearchResult]) -> float:
-    """Return the strongest interpretable relevance signal of the top result.
-
-    Reciprocal-rank-fusion scores are rank-based and not comparable across queries,
-    so the rerank relevance score is preferred, then vector cosine similarity, then
-    the final score.
-    """
-    if not results:
-        return 0.0
-    top = results[0]
-    if top.rerank_score is not None:
-        return top.rerank_score
-    if top.vector_score is not None:
-        return top.vector_score
-    return top.score
-
-
-def is_confident(results: list[SearchResult], config: EbookSearchConfig) -> bool:
-    """Return whether top-result confidence meets the configured threshold."""
-    return retrieval_confidence(results) >= config.min_retrieval_confidence
-
-
-@dataclass(frozen=True)
-class CitationReport:
-    """Validation summary for bracketed citation markers in a generated answer."""
-
-    cited: tuple[int, ...]
-    invalid: tuple[int, ...]
-    grounded: bool
-
-
-def validate_citations(answer: str, result_count: int) -> CitationReport:
-    """Validate bracketed citation markers against the number of shown sources.
-
-    A marker is valid when it points to a returned source (``1..result_count``).
-    ``grounded`` is true when the answer cites at least one valid source.
-    """
-    markers = sorted({int(match.group(1)) for match in CITATION_RE.finditer(answer)})
-    valid = range(1, result_count + 1)
-    cited = tuple(marker for marker in markers if marker in valid)
-    invalid = tuple(marker for marker in markers if marker not in valid)
-    return CitationReport(cited=cited, invalid=invalid, grounded=bool(cited))

python/ebook_search/ingest.py

@@ -79,17 +79,17 @@ def ingest_configured_paths(session: Session, config: EbookSearchConfig) -> int:
         path = Path(library_path).expanduser()
         logger.info("ebook_ingest_path_start path=%s", path)
         if path.is_file() and path.suffix.lower() == ".epub":
-            count += int(ingest_file(session, path, config))
+            count += int(ingest_file(session, path))
         elif path.is_dir():
             for epub_path in sorted(path.rglob("*.epub")):
-                count += int(ingest_file(session, epub_path, config))
+                count += int(ingest_file(session, epub_path))
         else:
             logger.warning("ebook_ingest_path_missing path=%s", path)
     logger.info("ebook_ingest_paths_complete changed_files=%s configured_paths=%s", count, len(config.library_paths))
     return count
 
 
-def ingest_file(session: Session, path: Path, config: EbookSearchConfig) -> bool:
+def ingest_file(session: Session, path: Path) -> bool:
     """Ingest one EPUB file. Return True when the database changed."""
     resolved_path = path.expanduser().resolve()
     logger.info("ebook_ingest_file_start path=%s", resolved_path)
@@ -134,7 +134,7 @@ def ingest_file(session: Session, path: Path, config: EbookSearchConfig) -> bool
         )
         session.add(chapter)
         session.flush()
-        chunk_index = add_chapter_chunks(session, source, chapter, parsed_chapter, chunk_index, config)
+        chunk_index = add_chapter_chunks(session, source, chapter, parsed_chapter, chunk_index)
 
     session.flush()
     logger.info(
@@ -160,15 +160,10 @@ def add_chapter_chunks(
     chapter: EbookChapter,
     parsed_chapter: ParsedChapter,
     chunk_index: int,
-    config: EbookSearchConfig,
 ) -> int:
     """Add chunk rows for one parsed chapter and return the next chunk index."""
     page_label = parsed_chapter.page_labels[0] if parsed_chapter.page_labels else None
-    for text_chunk in chunk_text(
-        parsed_chapter.text,
-        chunk_tokens=config.chunk_tokens,
-        overlap_tokens=config.chunk_overlap,
-    ):
+    for text_chunk in chunk_text(parsed_chapter.text):
         session.add(
             EbookChunk(
                 source_id=source.id,

python/ebook_search/llm_interface.py

@@ -29,7 +29,7 @@ def request_embeddings(texts: Sequence[str], config: EbookSearchConfig) -> list[
             f"{config.embedding_base_url.rstrip('/')}/embeddings",
             headers=auth_headers(config.embedding_api_key),
             json={"model": config.embedding_model, "input": list(texts)},
-            timeout=config.embedding_timeout_seconds,
+            timeout=60,
         )
         response.raise_for_status()
         return embedding_vectors_from_response(response.json())
@@ -44,36 +44,6 @@ def request_embeddings(texts: Sequence[str], config: EbookSearchConfig) -> list[
         raise RuntimeError(msg) from error
 
 
-def check_embedding_endpoint(config: EbookSearchConfig, *, timeout_seconds: float = 5.0) -> bool:
-    """Return whether the configured embedding endpoint answers a model listing."""
-    try:
-        response = httpx.get(
-            f"{config.embedding_base_url.rstrip('/')}/models",
-            headers=auth_headers(config.embedding_api_key),
-            timeout=timeout_seconds,
-        )
-        response.raise_for_status()
-    except httpx.HTTPError as error:
-        logger.warning("ebook_embedding_endpoint_unreachable base_url=%s error=%s", config.embedding_base_url, error)
-        return False
-    return True
-
-
-def check_chat_endpoint(config: EbookSearchConfig, *, timeout_seconds: float = 5.0) -> bool:
-    """Return whether the configured chat (answering) endpoint answers a model listing."""
-    try:
-        response = httpx.get(
-            f"{config.vllm_base_url.rstrip('/')}/models",
-            headers=auth_headers(config.vllm_api_key),
-            timeout=timeout_seconds,
-        )
-        response.raise_for_status()
-    except httpx.HTTPError as error:
-        logger.warning("ebook_chat_endpoint_unreachable base_url=%s error=%s", config.vllm_base_url, error)
-        return False
-    return True
-
-
 def embedding_vectors_from_response(body: object) -> list[list[float]]:
     """Extract embedding vectors from an OpenAI-compatible embedding response."""
     if not isinstance(body, dict):
@@ -136,7 +106,7 @@ def request_chat_completion(
                 "messages": list(messages),
                 "temperature": 0,
             },
-            timeout=config.chat_timeout_seconds,
+            timeout=60,
         )
         response.raise_for_status()
         return chat_content_from_response(response.json())

python/ebook_search/rerank.py

@@ -13,6 +13,8 @@ if TYPE_CHECKING:
     from python.ebook_search.search import SearchResult
 
 logger = logging.getLogger(__name__)
+RERANK_SCORE_WEIGHT = 0.7
+HYBRID_SCORE_WEIGHT = 0.3
 
 
 @dataclass(frozen=True)
@@ -39,7 +41,7 @@ def rerank_chunks(query: str, candidates: list[SearchResult], config: RerankConf
         (
             replace(
                 result,
-                score=final_rerank_score(result, scores[result.chunk_id].score, candidates, config),
+                score=final_rerank_score(result, scores[result.chunk_id].score, candidates),
                 rerank_score=scores[result.chunk_id].score,
             )
             for result in candidates
@@ -108,14 +110,9 @@ def clamp_score(score: float) -> float:
     return min(max(score, 0.0), 1.0)
 
 
-def final_rerank_score(
-    result: SearchResult,
-    rerank_score: float,
-    candidates: list[SearchResult],
-    config: RerankConfig,
-) -> float:
+def final_rerank_score(result: SearchResult, rerank_score: float, candidates: list[SearchResult]) -> float:
     """Combine rerank relevance with normalized hybrid retrieval evidence."""
-    return (config.score_weight * rerank_score) + (config.hybrid_weight * normalized_hybrid_score(result, candidates))
+    return (RERANK_SCORE_WEIGHT * rerank_score) + (HYBRID_SCORE_WEIGHT * normalized_hybrid_score(result, candidates))
 
 
 def normalized_hybrid_score(result: SearchResult, candidates: list[SearchResult]) -> float:

python/ebook_search/search.py

@@ -13,7 +13,6 @@ from sqlalchemy import literal, select
 from sqlalchemy.orm import Session
 
 from python.ebook_search.bm25_corpus import (
-    BM25CorpusUnavailableError,
     load_bm25_corpus,
     score_bm25_corpus,
 )
@@ -35,6 +34,7 @@ if TYPE_CHECKING:
     from python.ebook_search.config import EbookSearchConfig
 
 logger = logging.getLogger(__name__)
+BM25_CANDIDATE_LIMIT = 120
 
 
 @dataclass(frozen=True)
@@ -110,7 +110,6 @@ def search_ebooks(
         reciprocal_rank_fusion,
         retrieval.vector_results,
         retrieval.lexical_results,
-        rank_constant=config.rrf_rank_constant,
     )
     timings.append(timing)
     if config.rerank.enabled and rerank:
@@ -216,7 +215,7 @@ def vector_candidates(engine: Engine, query: str, config: EbookSearchConfig) ->
             raise ValueError(msg)
 
         embedding = embed_query(query, config)
-        limit = max(config.rerank.candidates, config.top_k) * config.vector_candidate_multiplier
+        limit = max(config.rerank.candidates, config.top_k) * 4
         embedding_table = get_embedding_table(model.dimension)
 
         embedding_param = literal(embedding, type_=Vector(model.dimension))
@@ -253,17 +252,12 @@ def vector_candidates(engine: Engine, query: str, config: EbookSearchConfig) ->
 
 def bm25_candidates(query: str, config: EbookSearchConfig) -> list[SearchResult]:
     """Return BM25-ranked lexical candidates using the persisted corpus."""
-    try:
     corpus = load_bm25_corpus(config)
-    except BM25CorpusUnavailableError as error:
-        logger.warning("ebook_bm25_index_unavailable_skipping error=%s", error)
-        return []
-
     if not corpus.records:
         logger.info("ebook_bm25_search_complete corpus=0 candidates=0")
         return []
 
-    scored_records = score_bm25_corpus(query, corpus, limit=config.bm25_candidate_limit)
+    scored_records = score_bm25_corpus(query, corpus, limit=BM25_CANDIDATE_LIMIT)
     results = [
         replace(search_result_from_row(record), score=score, vector_score=None, bm25_score=score)
         for record, score in scored_records

python/fastapi_tools/db.py

@@ -1,15 +1,11 @@
 """FastAPI dependencies."""
 
-from __future__ import annotations
-
-from typing import TYPE_CHECKING, Annotated
+from collections.abc import Iterator
+from typing import Annotated
 
 from fastapi import Depends, Request
 from sqlalchemy.orm import Session
 
-if TYPE_CHECKING:
-    from collections.abc import Iterator
-
 
 def get_db(request: Request) -> Iterator[Session]:
     """Get database session from app state."""

python/fastapi_tools/zstd_middleware.py

@@ -1,14 +1,10 @@
 """Zstd response compression middleware."""
 
 from compression import zstd
-from typing import TYPE_CHECKING
-
 from starlette.middleware.base import BaseHTTPMiddleware, RequestResponseEndpoint
+from starlette.requests import Request
 from starlette.responses import Response
 
-if TYPE_CHECKING:
-    from starlette.requests import Request
-
 MINIMUM_RESPONSE_SIZE = 500
 
 

python/heater/main.py

@@ -1,10 +1,9 @@
 """FastAPI heater control service."""
 
-from __future__ import annotations
-
 import logging
+from collections.abc import AsyncIterator
 from contextlib import asynccontextmanager
-from typing import TYPE_CHECKING, Annotated
+from typing import Annotated
 
 import typer
 import uvicorn
@@ -14,9 +13,6 @@ from python.common import configure_logger
 from python.heater.controller import HeaterController
 from python.heater.models import ActionResult, DeviceConfig, HeaterStatus
 
-if TYPE_CHECKING:
-    from collections.abc import AsyncIterator
-
 logger = logging.getLogger(__name__)
 
 

python/installer/__main__.py

@@ -262,7 +262,6 @@ def installer(
             ):
                 run(command, check=True, stdin=test.stdout)
 
-    # Fixed mount point for the new system; the installer runs as root on a fresh disk
     mnt_dir = "/tmp/nix_install"  # noqa: S108
 
     Path(mnt_dir).mkdir(parents=True, exist_ok=True)

python/orm/__init__.py

@@ -1,7 +1,9 @@
 """ORM package exports."""
 
 from python.orm.richie.base import RichieBase
+from python.orm.van_inventory.base import VanInventoryBase
 
 __all__ = [
     "RichieBase",
+    "VanInventoryBase",
 ]

python/orm/richie/audiobook.py

@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from sqlalchemy import ForeignKey, UniqueConstraint
+from sqlalchemy import ForeignKey, String, UniqueConstraint
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from python.orm.richie.base import TableBase
@@ -14,7 +14,7 @@ class AudiobookAuthor(TableBase):
     __tablename__ = "audiobook_author"
     __table_args__ = (UniqueConstraint("name"),)
 
-    name: Mapped[str]
+    name: Mapped[str] = mapped_column(String, unique=True)
 
     books: Mapped[list[Audiobook]] = relationship("Audiobook", back_populates="author")
     series: Mapped[list[AudiobookSeries]] = relationship("AudiobookSeries", back_populates="author")
@@ -26,7 +26,7 @@ class AudiobookSeries(TableBase):
     __tablename__ = "audiobook_series"
     __table_args__ = (UniqueConstraint("author_id", "name"),)
 
-    name: Mapped[str]
+    name: Mapped[str] = mapped_column(String)
     author_id: Mapped[int] = mapped_column(ForeignKey("main.audiobook_author.id", ondelete="CASCADE"))
 
     author: Mapped[AudiobookAuthor] = relationship("AudiobookAuthor", back_populates="series")
@@ -46,7 +46,7 @@ class Audiobook(TableBase):
         ),
     )
 
-    title: Mapped[str]
+    title: Mapped[str] = mapped_column(String)
     author_id: Mapped[int] = mapped_column(ForeignKey("main.audiobook_author.id", ondelete="CASCADE"))
     series_id: Mapped[int | None] = mapped_column(ForeignKey("main.audiobook_series.id", ondelete="SET NULL"))
     series_index: Mapped[float] = mapped_column(default=0.0)

python/orm/van_inventory/__init__.py

@@ -0,0 +1 @@
+"""Van inventory database ORM exports."""

python/orm/van_inventory/base.py

@@ -0,0 +1,39 @@
+"""Van inventory database ORM base."""
+
+from __future__ import annotations
+
+from datetime import datetime
+
+from sqlalchemy import DateTime, MetaData, func
+from sqlalchemy.ext.declarative import AbstractConcreteBase
+from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
+
+from python.orm.common import NAMING_CONVENTION
+
+
+class VanInventoryBase(DeclarativeBase):
+    """Base class for van_inventory database ORM models."""
+
+    schema_name = "main"
+
+    metadata = MetaData(
+        schema=schema_name,
+        naming_convention=NAMING_CONVENTION,
+    )
+
+
+class VanTableBase(AbstractConcreteBase, VanInventoryBase):
+    """Abstract concrete base for van_inventory tables with IDs and timestamps."""
+
+    __abstract__ = True
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    created: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        server_default=func.now(),
+    )
+    updated: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        server_default=func.now(),
+        onupdate=func.now(),
+    )

python/orm/van_inventory/models.py

@@ -0,0 +1,46 @@
+"""Van inventory ORM models."""
+
+from __future__ import annotations
+
+from sqlalchemy import ForeignKey, UniqueConstraint
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from python.orm.van_inventory.base import VanTableBase
+
+
+class Item(VanTableBase):
+    """A food item in the van."""
+
+    __tablename__ = "items"
+
+    name: Mapped[str] = mapped_column(unique=True)
+    quantity: Mapped[float] = mapped_column(default=0)
+    unit: Mapped[str]
+    category: Mapped[str | None]
+
+    meal_ingredients: Mapped[list[MealIngredient]] = relationship(back_populates="item")
+
+
+class Meal(VanTableBase):
+    """A meal that can be made from items in the van."""
+
+    __tablename__ = "meals"
+
+    name: Mapped[str] = mapped_column(unique=True)
+    instructions: Mapped[str | None]
+
+    ingredients: Mapped[list[MealIngredient]] = relationship(back_populates="meal")
+
+
+class MealIngredient(VanTableBase):
+    """Links a meal to the items it requires, with quantities."""
+
+    __tablename__ = "meal_ingredients"
+    __table_args__ = (UniqueConstraint("meal_id", "item_id"),)
+
+    meal_id: Mapped[int] = mapped_column(ForeignKey("meals.id"))
+    item_id: Mapped[int] = mapped_column(ForeignKey("items.id"))
+    quantity_needed: Mapped[float]
+
+    meal: Mapped[Meal] = relationship(back_populates="ingredients")
+    item: Mapped[Item] = relationship(back_populates="meal_ingredients")

python/splendor/.gitignore

@@ -0,0 +1 @@
+game_data/

python/splendor/__init__.py

@@ -0,0 +1 @@
+"""init."""

python/splendor/base.py

@@ -0,0 +1,675 @@
+"""Base logic for the Splendor game."""
+
+from __future__ import annotations
+
+import itertools
+import json
+import random
+from dataclasses import dataclass, field
+from typing import TYPE_CHECKING, Literal, Protocol
+
+if TYPE_CHECKING:
+    from collections.abc import Sequence
+    from pathlib import Path
+
+GemColor = Literal["white", "blue", "green", "red", "black", "gold"]
+
+GEM_COLORS: tuple[GemColor, ...] = (
+    "white",
+    "blue",
+    "green",
+    "red",
+    "black",
+    "gold",
+)
+BASE_COLORS: tuple[GemColor, ...] = (
+    "white",
+    "blue",
+    "green",
+    "red",
+    "black",
+)
+
+GEM_ORDER: list[GemColor] = list(GEM_COLORS)
+GEM_INDEX: dict[GemColor, int] = {c: i for i, c in enumerate(GEM_ORDER)}
+BASE_INDEX: dict[GemColor, int] = {c: i for i, c in enumerate(BASE_COLORS)}
+
+
+@dataclass(frozen=True)
+class Card:
+    """Development card: gives points + a permanent gem discount."""
+
+    tier: int
+    points: int
+    color: GemColor
+    cost: dict[GemColor, int]
+
+
+@dataclass(frozen=True)
+class Noble:
+    """Noble tile: gives points if you have enough bonuses."""
+
+    name: str
+    points: int
+    requirements: dict[GemColor, int]
+
+
+@dataclass
+class PlayerState:
+    """State of a player in the game."""
+
+    strategy: Strategy
+    tokens: dict[GemColor, int] = field(default_factory=lambda: dict.fromkeys(GEM_COLORS, 0))
+    discounts: dict[GemColor, int] = field(default_factory=lambda: dict.fromkeys(GEM_COLORS, 0))
+    cards: list[Card] = field(default_factory=list)
+    reserved: list[Card] = field(default_factory=list)
+    nobles: list[Noble] = field(default_factory=list)
+    card_score: int = 0
+    noble_score: int = 0
+
+    def total_tokens(self) -> int:
+        """Total tokens in player's bank."""
+        return sum(self.tokens.values())
+
+    def add_noble(self, noble: Noble) -> None:
+        """Add a noble to the player."""
+        self.nobles.append(noble)
+        self.noble_score = sum(noble.points for noble in self.nobles)
+
+    def add_card(self, card: Card) -> None:
+        """Add a card to the player."""
+        self.cards.append(card)
+        self.card_score = sum(card.points for card in self.cards)
+
+    @property
+    def score(self) -> int:
+        """Total points in player's cards + nobles."""
+        return self.card_score + self.noble_score
+
+    def can_afford(self, card: Card) -> bool:
+        """Check if player can afford card, using discounts + gold."""
+        missing = 0
+        gold = self.tokens["gold"]
+
+        for color, cost in card.cost.items():
+            missing += max(0, cost - self.discounts.get(color, 0) - self.tokens.get(color, 0))
+            if missing > gold:
+                return False
+
+        return True
+
+    def pay_for_card(self, card: Card) -> dict[GemColor, int]:
+        """Pay tokens for card, move card to tableau, return payment for bank."""
+        if not self.can_afford(card):
+            msg = f"cannot afford card {card}"
+            raise ValueError(msg)
+
+        payment: dict[GemColor, int] = dict.fromkeys(GEM_COLORS, 0)
+        gold_available = self.tokens["gold"]
+
+        for color in BASE_COLORS:
+            cost = card.cost.get(color, 0)
+            effective_cost = max(0, cost - self.discounts.get(color, 0))
+
+            use = min(self.tokens[color], effective_cost)
+            self.tokens[color] -= use
+            payment[color] += use
+
+            remaining = effective_cost - use
+            if remaining > 0:
+                use_gold = min(gold_available, remaining)
+                gold_available -= use_gold
+                self.tokens["gold"] -= use_gold
+                payment["gold"] += use_gold
+
+        self.add_card(card)
+        self.discounts[card.color] += 1
+        return payment
+
+
+def get_default_starting_tokens(player_count: int) -> dict[GemColor, int]:
+    """get_default_starting_tokens."""
+    token_count = (player_count * player_count - 3 * player_count + 10) // 2
+    return {
+        "white": token_count,
+        "blue": token_count,
+        "green": token_count,
+        "red": token_count,
+        "black": token_count,
+        "gold": 5,
+    }
+
+
+@dataclass
+class GameConfig:
+    """Game configuration: gems, bank, cards, nobles, etc."""
+
+    win_score: int = 15
+    table_cards_per_tier: int = 4
+    reserve_limit: int = 3
+    token_limit: int = 10
+    turn_limit: int = 1000
+    minimum_tokens_to_buy_2: int = 4
+    max_token_take: int = 3
+
+    cards: list[Card] = field(default_factory=list)
+    nobles: list[Noble] = field(default_factory=list)
+
+
+class GameState:
+    """Game state: players, bank, decks, table, available nobles, etc."""
+
+    def __init__(
+        self,
+        config: GameConfig,
+        players: list[PlayerState],
+        bank: dict[GemColor, int],
+        decks_by_tier: dict[int, list[Card]],
+        table_by_tier: dict[int, list[Card]],
+        available_nobles: list[Noble],
+    ) -> None:
+        """Game state."""
+        self.config = config
+        self.players = players
+        self.bank = bank
+        self.decks_by_tier = decks_by_tier
+        self.table_by_tier = table_by_tier
+        self.available_nobles = available_nobles
+        self.noble_min_requirements = 0
+        self.get_noble_min_requirements()
+        self.current_player_index = 0
+        self.finished = False
+
+    def get_noble_min_requirements(self) -> None:
+        """Find the minimum requirement for all available nobles."""
+        test = 0
+
+        for noble in self.available_nobles:
+            test = max(test, min(foo for foo in noble.requirements.values()))
+
+        self.noble_min_requirements = test
+
+    def next_player(self) -> None:
+        """Advance to the next player."""
+        self.current_player_index = (self.current_player_index + 1) % len(self.players)
+
+    @property
+    def current_player(self) -> PlayerState:
+        """Current player."""
+        return self.players[self.current_player_index]
+
+    def refill_table(self) -> None:
+        """Refill face-up cards from decks."""
+        for tier, deck in self.decks_by_tier.items():
+            table = self.table_by_tier[tier]
+            while len(table) < self.config.table_cards_per_tier and deck:
+                table.append(deck.pop())
+
+    def check_winner_simple(self) -> PlayerState | None:
+        """Simplified: end immediately when someone hits win_score."""
+        eligible = [player for player in self.players if player.score >= self.config.win_score]
+        if not eligible:
+            return None
+        eligible.sort(
+            key=lambda p: (p.score, -len(p.cards)),
+            reverse=True,
+        )
+        self.finished = True
+        return eligible[0]
+
+
+class Action:
+    """Marker protocol for actions."""
+
+
+@dataclass
+class TakeDifferent(Action):
+    """Take up to 3 different gem colors."""
+
+    colors: list[GemColor]
+
+
+@dataclass
+class TakeDouble(Action):
+    """Take two of the same color."""
+
+    color: GemColor
+
+
+@dataclass
+class BuyCard(Action):
+    """Buy a face-up card."""
+
+    tier: int
+    index: int
+
+
+@dataclass
+class BuyCardReserved(Action):
+    """Buy a face-up card."""
+
+    index: int
+
+
+@dataclass
+class ReserveCard(Action):
+    """Reserve a face-up card."""
+
+    tier: int
+    index: int | None = None
+    from_deck: bool = False
+
+
+class Strategy(Protocol):
+    """Implement this to make a bot or human controller."""
+
+    def __init__(self, name: str) -> None:
+        """Initialize a strategy."""
+        self.name = name
+
+    def choose_action(self, game: GameState, player: PlayerState) -> Action | None:
+        """Return an Action, or None to concede/end."""
+        raise NotImplementedError
+
+    def choose_discard(
+        self,
+        game: GameState,  # noqa: ARG002
+        player: PlayerState,
+        excess: int,
+    ) -> dict[GemColor, int]:
+        """Called if player has more than token_limit tokens after an action.
+
+        Default: naive auto-discard.
+        """
+        return auto_discard_tokens(player, excess)
+
+    def choose_noble(
+        self,
+        game: GameState,  # noqa: ARG002
+        player: PlayerState,  # noqa: ARG002
+        nobles: list[Noble],
+    ) -> Noble:
+        """Called if player qualifies for multiple nobles. Default: first."""
+        return nobles[0]
+
+
+def auto_discard_tokens(player: PlayerState, excess: int) -> dict[GemColor, int]:
+    """Very dumb discard logic: discard from colors you have the most of."""
+    to_discard: dict[GemColor, int] = dict.fromkeys(GEM_COLORS, 0)
+    remaining = excess
+    while remaining > 0:
+        color = max(player.tokens, key=lambda c: player.tokens[c])
+        if player.tokens[color] == 0:
+            break
+        player.tokens[color] -= 1
+        to_discard[color] += 1
+        remaining -= 1
+    return to_discard
+
+
+def enforce_token_limit(
+    game: GameState,
+    strategy: Strategy,
+    player: PlayerState,
+) -> None:
+    """If player has more than token_limit tokens, force discards."""
+    limit = game.config.token_limit
+    total = player.total_tokens()
+    if total <= limit:
+        return
+    excess = total - limit
+    discards = strategy.choose_discard(game, player, excess)
+    for color, amount in discards.items():
+        available = player.tokens[color]
+        to_remove = min(amount, available)
+        if to_remove <= 0:
+            continue
+        player.tokens[color] -= to_remove
+        game.bank[color] += to_remove
+    remaining = player.total_tokens() - limit
+    if remaining > 0:
+        auto = auto_discard_tokens(player, remaining)
+        for color, amount in auto.items():
+            game.bank[color] += amount
+
+
+def _check_nobles_for_player(player: PlayerState, noble: Noble) -> bool:
+    # this rule is slower
+    for color, cost in noble.requirements.items():  # noqa: SIM110
+        if player.discounts[color] < cost:
+            return False
+    return True
+
+
+def check_nobles_for_player(
+    game: GameState,
+    strategy: Strategy,
+    player: PlayerState,
+) -> None:
+    """Award at most one noble to player if they qualify."""
+    if game.noble_min_requirements > max(player.discounts.values()):
+        return
+
+    candidates = [noble for noble in game.available_nobles if _check_nobles_for_player(player, noble)]
+
+    if not candidates:
+        return
+
+    chosen = candidates[0] if len(candidates) == 1 else strategy.choose_noble(game, player, candidates)
+
+    if chosen not in game.available_nobles:
+        return
+    game.available_nobles.remove(chosen)
+    game.get_noble_min_requirements()
+
+    player.add_noble(chosen)
+
+
+def apply_take_different(game: GameState, strategy: Strategy, action: TakeDifferent) -> None:
+    """Mutate game state according to action."""
+    player = game.current_player
+
+    colors = [color for color in action.colors if color in BASE_COLORS and game.bank[color] > 0]
+    if not (1 <= len(colors) <= game.config.max_token_take):
+        return
+
+    for color in colors:
+        game.bank[color] -= 1
+        player.tokens[color] += 1
+
+    enforce_token_limit(game, strategy, player)
+
+
+def apply_take_double(game: GameState, strategy: Strategy, action: TakeDouble) -> None:
+    """Mutate game state according to action."""
+    player = game.current_player
+    color = action.color
+    if color not in BASE_COLORS:
+        return
+    if game.bank[color] < game.config.minimum_tokens_to_buy_2:
+        return
+    game.bank[color] -= 2
+    player.tokens[color] += 2
+    enforce_token_limit(game, strategy, player)
+
+
+def apply_buy_card(game: GameState, _strategy: Strategy, action: BuyCard) -> None:
+    """Mutate game state according to action."""
+    player = game.current_player
+
+    row = game.table_by_tier.get(action.tier)
+    if row is None or not (0 <= action.index < len(row)):
+        return
+    card = row[action.index]
+    if not player.can_afford(card):
+        return
+    row.pop(action.index)
+    payment = player.pay_for_card(card)
+    for color, amount in payment.items():
+        game.bank[color] += amount
+    game.refill_table()
+
+
+def apply_buy_card_reserved(game: GameState, _strategy: Strategy, action: BuyCardReserved) -> None:
+    """Mutate game state according to action."""
+    player = game.current_player
+    if not (0 <= action.index < len(player.reserved)):
+        return
+    card = player.reserved[action.index]
+    if not player.can_afford(card):
+        return
+    player.reserved.pop(action.index)
+    payment = player.pay_for_card(card)
+    for color, amount in payment.items():
+        game.bank[color] += amount
+
+
+def apply_reserve_card(game: GameState, strategy: Strategy, action: ReserveCard) -> None:
+    """Mutate game state according to action."""
+    player = game.current_player
+
+    if len(player.reserved) >= game.config.reserve_limit:
+        return
+
+    card: Card | None = None
+    if action.from_deck:
+        deck = game.decks_by_tier.get(action.tier)
+        if deck:
+            card = deck.pop()
+    else:
+        row = game.table_by_tier.get(action.tier)
+        if row is None:
+            return
+        if action.index is None or not (0 <= action.index < len(row)):
+            return
+        card = row.pop(action.index)
+        game.refill_table()
+
+    if card is None:
+        return
+    player.reserved.append(card)
+
+    if game.bank["gold"] > 0:
+        game.bank["gold"] -= 1
+        player.tokens["gold"] += 1
+        enforce_token_limit(game, strategy, player)
+
+
+def apply_action(game: GameState, strategy: Strategy, action: Action) -> None:
+    """Mutate game state according to action."""
+    actions = {
+        TakeDifferent: apply_take_different,
+        TakeDouble: apply_take_double,
+        BuyCard: apply_buy_card,
+        ReserveCard: apply_reserve_card,
+        BuyCardReserved: apply_buy_card_reserved,
+    }
+    action_func = actions.get(type(action))
+    if action_func is None:
+        msg = f"Unknown action type: {type(action)}"
+        raise ValueError(msg)
+    action_func(game, strategy, action)
+
+
+# not sure how to simplify this yet
+def get_legal_actions(  # noqa: C901
+    game: GameState,
+    player: PlayerState | None = None,
+) -> list[Action]:
+    """Enumerate all syntactically legal actions for the given player.
+
+    This enforces:
+    - token-taking rules
+    - reserve limits
+    - affordability for buys
+    """
+    if player is None:
+        player = game.players[game.current_player_index]
+
+    actions: list[Action] = []
+
+    colors_available = [c for c in BASE_COLORS if game.bank[c] > 0]
+    for r in (1, 2, 3):
+        actions.extend(TakeDifferent(colors=list(combo)) for combo in itertools.combinations(colors_available, r))
+
+    actions.extend(
+        TakeDouble(color=color) for color in BASE_COLORS if game.bank[color] >= game.config.minimum_tokens_to_buy_2
+    )
+
+    for tier, row in game.table_by_tier.items():
+        for idx, card in enumerate(row):
+            if player.can_afford(card):
+                actions.append(BuyCard(tier=tier, index=idx))
+
+    for idx, card in enumerate(player.reserved):
+        if player.can_afford(card):
+            actions.append(BuyCardReserved(index=idx))
+
+    if len(player.reserved) < game.config.reserve_limit:
+        for tier, row in game.table_by_tier.items():
+            for idx, _ in enumerate(row):
+                actions.append(
+                    ReserveCard(tier=tier, index=idx, from_deck=False),
+                )
+        for tier, deck in game.decks_by_tier.items():
+            if deck:
+                actions.append(
+                    ReserveCard(tier=tier, index=None, from_deck=True),
+                )
+
+    return actions
+
+
+def create_random_cards_tier(
+    tier: int,
+    card_count: int,
+    cost_choices: list[int],
+    point_choices: list[int],
+) -> list[Card]:
+    """Create a random set of cards for a given tier."""
+    cards: list[Card] = []
+
+    for color in BASE_COLORS:
+        for _ in range(card_count):
+            cost = dict.fromkeys(GEM_COLORS, 0)
+            for c in BASE_COLORS:
+                if c == color:
+                    continue
+                cost[c] = random.choice(cost_choices)
+            points = random.choice(point_choices)
+            cards.append(Card(tier=tier, points=points, color=color, cost=cost))
+
+    return cards
+
+
+def create_random_cards() -> list[Card]:
+    """Generate a generic but Splendor-ish set of cards.
+
+    This is not the official deck, but structured similarly enough for play.
+    """
+    cards: list[Card] = []
+    cards.extend(
+        create_random_cards_tier(
+            tier=1,
+            card_count=5,
+            cost_choices=[0, 1, 1, 2],
+            point_choices=[0, 0, 1],
+        )
+    )
+    cards.extend(
+        create_random_cards_tier(
+            tier=2,
+            card_count=4,
+            cost_choices=[2, 3, 4],
+            point_choices=[1, 2, 2, 3],
+        )
+    )
+    cards.extend(
+        create_random_cards_tier(
+            tier=3,
+            card_count=3,
+            cost_choices=[4, 5, 6],
+            point_choices=[3, 4, 5],
+        )
+    )
+
+    random.shuffle(cards)
+    return cards
+
+
+def create_random_nobles() -> list[Noble]:
+    """A small set of noble tiles, roughly Splendor-ish."""
+    nobles: list[Noble] = []
+
+    base_requirements: list[dict[GemColor, int]] = [
+        {"white": 3, "blue": 3, "green": 3},
+        {"blue": 3, "green": 3, "red": 3},
+        {"green": 3, "red": 3, "black": 3},
+        {"red": 3, "black": 3, "white": 3},
+        {"black": 3, "white": 3, "blue": 3},
+        {"white": 4, "blue": 4},
+        {"green": 4, "red": 4},
+        {"blue": 4, "black": 4},
+    ]
+
+    for idx, req in enumerate(base_requirements, start=1):
+        nobles.append(
+            Noble(
+                name=f"Noble {idx}",
+                points=3,
+                requirements=dict(req.items()),
+            ),
+        )
+    return nobles
+
+
+def load_nobles(file: Path) -> list[Noble]:
+    """Load nobles from a file."""
+    nobles = json.loads(file.read_text())
+    return [Noble(**noble) for noble in nobles]
+
+
+def load_cards(file: Path) -> list[Card]:
+    """Load cards from a file."""
+    cards = json.loads(file.read_text())
+    return [Card(**card) for card in cards]
+
+
+def new_game(
+    strategies: Sequence[Strategy],
+    config: GameConfig,
+) -> GameState:
+    """Create a new game state from a config + list of players."""
+    num_players = len(strategies)
+    bank = get_default_starting_tokens(num_players)
+
+    decks_by_tier: dict[int, list[Card]] = {1: [], 2: [], 3: []}
+    for card in config.cards:
+        decks_by_tier.setdefault(card.tier, []).append(card)
+    for deck in decks_by_tier.values():
+        random.shuffle(deck)
+
+    table_by_tier: dict[int, list[Card]] = {1: [], 2: [], 3: []}
+    players = [PlayerState(strategy=strategy) for strategy in strategies]
+
+    nobles = list(config.nobles)
+    random.shuffle(nobles)
+    nobles = nobles[: num_players + 1]
+
+    game = GameState(
+        config=config,
+        players=players,
+        bank=bank,
+        decks_by_tier=decks_by_tier,
+        table_by_tier=table_by_tier,
+        available_nobles=nobles,
+    )
+    game.refill_table()
+    return game
+
+
+def run_game(game: GameState) -> tuple[PlayerState, int]:
+    """Run a full game loop until someone wins or a player returns None."""
+    turn_count = 0
+    while not game.finished:
+        turn_count += 1
+        player = game.current_player
+        strategy = player.strategy
+        action = strategy.choose_action(game, player)
+        if action is None:
+            game.finished = True
+            break
+
+        apply_action(game, strategy, action)
+        check_nobles_for_player(game, strategy, player)
+
+        winner = game.check_winner_simple()
+        if winner is not None:
+            return winner, turn_count
+
+        game.next_player()
+        if turn_count >= game.config.turn_limit:
+            break
+
+    fallback = max(game.players, key=lambda player: player.score)
+    return fallback, turn_count

python/splendor/bot.py

@@ -0,0 +1,288 @@
+"""Bot for Splendor game."""
+
+from __future__ import annotations
+
+import random
+
+from .base import (
+    BASE_COLORS,
+    Action,
+    BuyCard,
+    BuyCardReserved,
+    Card,
+    GameState,
+    GemColor,
+    PlayerState,
+    ReserveCard,
+    Strategy,
+    TakeDifferent,
+    TakeDouble,
+    auto_discard_tokens,
+    get_legal_actions,
+)
+
+
+def can_bot_afford(player: PlayerState, card: Card) -> bool:
+    """Check if player can afford card, using discounts + gold."""
+    missing = 0
+    gold = player.tokens["gold"]
+    for color, cost in card.cost.items():
+        missing += max(0, cost - player.discounts.get(color, 0) - player.tokens.get(color, 0))
+        if missing > gold:
+            return False
+
+    return True
+
+
+class RandomBot(Strategy):
+    """Dumb bot that follows rules but doesn't think."""
+
+    def __init__(self, name: str) -> None:
+        """Initialize the bot."""
+        super().__init__(name=name)
+
+    def choose_action(self, game: GameState, player: PlayerState) -> Action | None:
+        """Choose an action for the current player."""
+        affordable: list[tuple[int, int]] = []
+        for tier, row in game.table_by_tier.items():
+            for idx, card in enumerate(row):
+                if can_bot_afford(player, card):
+                    affordable.append((tier, idx))
+        if affordable and random.random() < 0.5:
+            tier, idx = random.choice(affordable)
+            return BuyCard(tier=tier, index=idx)
+
+        if random.random() < 0.2:
+            tier = random.choice([1, 2, 3])
+            row = game.table_by_tier.get(tier, [])
+            if row:
+                idx = random.randrange(len(row))
+                return ReserveCard(tier=tier, index=idx, from_deck=False)
+
+        if random.random() < 0.5:
+            colors_for_double = [c for c in BASE_COLORS if game.bank[c] >= 4]
+            if colors_for_double:
+                return TakeDouble(color=random.choice(colors_for_double))
+
+        colors_for_diff = [c for c in BASE_COLORS if game.bank[c] > 0]
+        random.shuffle(colors_for_diff)
+        return TakeDifferent(colors=colors_for_diff[:3])
+
+    def choose_discard(
+        self,
+        game: GameState,  # noqa: ARG002
+        player: PlayerState,
+        excess: int,
+    ) -> dict[GemColor, int]:
+        """Choose how many tokens to discard."""
+        return auto_discard_tokens(player, excess)
+
+
+def check_cards_in_tier(row: list[Card], player: PlayerState) -> list[int]:
+    """Check if player can afford card, using discounts + gold."""
+    return [index for index, card in enumerate(row) if can_bot_afford(player, card)]
+
+
+class PersonalizedBot(Strategy):
+    """PersonalizedBot."""
+
+    """Dumb bot that follows rules but doesn't think."""
+
+    def __init__(self, name: str) -> None:
+        """Initialize the bot."""
+        super().__init__(name=name)
+
+    def choose_action(self, game: GameState, player: PlayerState) -> Action | None:
+        """Choose an action for the current player."""
+        for tier in (1, 2, 3):
+            row = game.table_by_tier[tier]
+            if affordable := check_cards_in_tier(row, player):
+                index = random.choice(affordable)
+                return BuyCard(tier=tier, index=index)
+
+        colors_for_diff = [c for c in BASE_COLORS if game.bank[c] > 0]
+        random.shuffle(colors_for_diff)
+        return TakeDifferent(colors=colors_for_diff[:3])
+
+    def choose_discard(
+        self,
+        game: GameState,  # noqa: ARG002
+        player: PlayerState,
+        excess: int,
+    ) -> dict[GemColor, int]:
+        """Choose how many tokens to discard."""
+        return auto_discard_tokens(player, excess)
+
+
+class PersonalizedBot2(Strategy):
+    """PersonalizedBot2."""
+
+    """Dumb bot that follows rules but doesn't think."""
+
+    def __init__(self, name: str) -> None:
+        """Initialize the bot."""
+        super().__init__(name=name)
+
+    def choose_action(self, game: GameState, player: PlayerState) -> Action | None:
+        """Choose an action for the current player."""
+        tiers = (1, 2, 3)
+        for tier in tiers:
+            row = game.table_by_tier[tier]
+            if affordable := check_cards_in_tier(row, player):
+                index = random.choice(affordable)
+                return BuyCard(tier=tier, index=index)
+
+        if affordable := check_cards_in_tier(player.reserved, player):
+            index = random.choice(affordable)
+            return BuyCardReserved(index=index)
+
+        colors_for_diff = [c for c in BASE_COLORS if game.bank[c] > 0]
+        if len(colors_for_diff) >= 3:
+            random.shuffle(colors_for_diff)
+            return TakeDifferent(colors=colors_for_diff[:3])
+
+        for tier in tiers:
+            len_deck = len(game.decks_by_tier[tier])
+            if len_deck:
+                return ReserveCard(tier=tier, index=None, from_deck=True)
+
+        return TakeDifferent(colors=colors_for_diff[:3])
+
+    def choose_discard(
+        self,
+        game: GameState,  # noqa: ARG002
+        player: PlayerState,
+        excess: int,
+    ) -> dict[GemColor, int]:
+        """Choose how many tokens to discard."""
+        return auto_discard_tokens(player, excess)
+
+
+def buy_card_reserved(player: PlayerState) -> Action | None:
+    """Buy a card reserved."""
+    if affordable := check_cards_in_tier(player.reserved, player):
+        index = random.choice(affordable)
+        return BuyCardReserved(index=index)
+    return None
+
+
+def buy_card(game: GameState, player: PlayerState) -> Action | None:
+    """Buy a card."""
+    for tier in (1, 2, 3):
+        row = game.table_by_tier[tier]
+        if affordable := check_cards_in_tier(row, player):
+            index = random.choice(affordable)
+            return BuyCard(tier=tier, index=index)
+    return None
+
+
+def take_tokens(game: GameState) -> Action | None:
+    """Take tokens."""
+    colors_for_diff = [color for color in BASE_COLORS if game.bank[color] > 0]
+    if len(colors_for_diff) >= 3:
+        random.shuffle(colors_for_diff)
+        return TakeDifferent(colors=colors_for_diff[: game.config.max_token_take])
+    return None
+
+
+class PersonalizedBot3(Strategy):
+    """PersonalizedBot3."""
+
+    """Dumb bot that follows rules but doesn't think."""
+
+    def __init__(self, name: str) -> None:
+        """Initialize the bot."""
+        super().__init__(name=name)
+
+    def choose_action(self, game: GameState, player: PlayerState) -> Action | None:
+        """Choose an action for the current player."""
+        print(len(get_legal_actions(game, player)))
+        print(get_legal_actions(game, player))
+        if action := buy_card_reserved(player):
+            return action
+        if action := buy_card(game, player):
+            return action
+
+        colors_for_diff = [color for color in BASE_COLORS if game.bank[color] > 0]
+        if len(colors_for_diff) >= 3:
+            random.shuffle(colors_for_diff)
+            return TakeDifferent(colors=colors_for_diff[:3])
+
+        for tier in (1, 2, 3):
+            len_deck = len(game.decks_by_tier[tier])
+            if len_deck:
+                return ReserveCard(tier=tier, index=None, from_deck=True)
+
+        return TakeDifferent(colors=colors_for_diff[:3])
+
+    def choose_discard(
+        self,
+        game: GameState,  # noqa: ARG002
+        player: PlayerState,
+        excess: int,
+    ) -> dict[GemColor, int]:
+        """Choose how many tokens to discard."""
+        return auto_discard_tokens(player, excess)
+
+
+def estimate_value_of_card(game: GameState, player: PlayerState, color: GemColor) -> int:
+    """Estimate value of a color in the player's bank."""
+    return game.bank[color] - player.discounts.get(color, 0)
+
+
+def estimate_value_of_token(game: GameState, player: PlayerState, color: GemColor) -> int:
+    """Estimate value of a color in the player's bank."""
+    return game.bank[color] - player.discounts.get(color, 0)
+
+
+class PersonalizedBot4(Strategy):
+    """PersonalizedBot4."""
+
+    def __init__(self, name: str) -> None:
+        """Initialize the bot."""
+        super().__init__(name=name)
+
+    def filter_actions(self, actions: list[Action]) -> list[Action]:
+        """Filter actions to only take different."""
+        return [
+            action
+            for action in actions
+            if (isinstance(action, TakeDifferent) and len(action.colors) == 3) or not isinstance(action, TakeDifferent)
+        ]
+
+    def choose_action(self, game: GameState, player: PlayerState) -> Action | None:
+        """Choose an action for the current player."""
+        legal_actions = get_legal_actions(game, player)
+        print(len(legal_actions))
+
+        good_actions = self.filter_actions(legal_actions)
+        print(len(good_actions))
+
+        print(good_actions)
+
+        print(len(get_legal_actions(game, player)))
+        if action := buy_card_reserved(player):
+            return action
+        if action := buy_card(game, player):
+            return action
+
+        colors_for_diff = [color for color in BASE_COLORS if game.bank[color] > 0]
+        if len(colors_for_diff) >= 3:
+            random.shuffle(colors_for_diff)
+            return TakeDifferent(colors=colors_for_diff[:3])
+
+        for tier in (1, 2, 3):
+            len_deck = len(game.decks_by_tier[tier])
+            if len_deck:
+                return ReserveCard(tier=tier, index=None, from_deck=True)
+
+        return TakeDifferent(colors=colors_for_diff[:3])
+
+    def choose_discard(
+        self,
+        game: GameState,  # noqa: ARG002
+        player: PlayerState,
+        excess: int,
+    ) -> dict[GemColor, int]:
+        """Choose how many tokens to discard."""
+        return auto_discard_tokens(player, excess)

python/splendor/human.py

@@ -0,0 +1,724 @@
+"""Splendor game."""
+
+from __future__ import annotations
+
+import sys
+from typing import TYPE_CHECKING, Any
+
+from textual.app import App, ComposeResult
+from textual.containers import Horizontal, Vertical
+from textual.widget import Widget
+from textual.widgets import Footer, Header, Input, Static
+
+from .base import (
+    BASE_COLORS,
+    GEM_COLORS,
+    Action,
+    BuyCard,
+    BuyCardReserved,
+    Card,
+    GameState,
+    GemColor,
+    Noble,
+    PlayerState,
+    ReserveCard,
+    Strategy,
+    TakeDifferent,
+    TakeDouble,
+)
+
+if TYPE_CHECKING:
+    from collections.abc import Mapping
+
+# Abbreviations used when rendering costs
+COST_ABBR: dict[GemColor, str] = {
+    "white": "W",
+    "blue": "B",
+    "green": "G",
+    "red": "R",
+    "black": "K",
+    "gold": "O",
+}
+
+# Abbreviations players can type on the command line
+COLOR_ABBR_TO_FULL: dict[str, GemColor] = {
+    "w": "white",
+    "b": "blue",
+    "g": "green",
+    "r": "red",
+    "k": "black",
+    "o": "gold",
+}
+
+
+def parse_color_token(raw: str) -> GemColor:
+    """Convert user input into a GemColor.
+
+    Supports:
+      - full names:  white, blue, green, red, black, gold
+      - abbreviations: w, b, g, r, k, o
+    """
+    key = raw.lower()
+
+    # full color names first
+    if key in BASE_COLORS:
+        return key  # type: ignore[return-value]
+
+    # abbreviations
+    if key in COLOR_ABBR_TO_FULL:
+        return COLOR_ABBR_TO_FULL[key]
+
+    error = f"Unknown color: {raw}"
+    raise ValueError(error)
+
+
+def format_cost(cost: Mapping[GemColor, int]) -> str:
+    """Format a cost/requirements dict as colored tokens like 'B:2, R:1'.
+
+    Uses `color_token` internally so colors are guaranteed to match your bank.
+    """
+    parts: list[str] = []
+    for color in GEM_COLORS:
+        n = cost.get(color, 0)
+        if not n:
+            continue
+
+        # color_token gives us e.g. "[blue]blue: 3[/]"
+        token = color_token(color, n)
+
+        # Turn the leading color name into the abbreviation (blue: 3 → B:3)
+        # We only replace the first occurrence.
+        full = f"{color}:"
+        abbr = f"{COST_ABBR[color]}:"
+        token = token.replace(full, abbr, 1)
+
+        parts.append(token)
+
+    return ", ".join(parts) if parts else "-"
+
+
+def format_card(card: Card) -> str:
+    """Readable card line using dataclass fields instead of __str__."""
+    color_abbr = COST_ABBR[card.color]
+    header = f"T{card.tier} {color_abbr} P{card.points}"
+    cost_str = format_cost(card.cost)
+    return f"{header} ({cost_str})"
+
+
+def format_noble(noble: Noble) -> str:
+    """Readable noble line using dataclass fields instead of __str__."""
+    cost_str = format_cost(noble.requirements)
+    return f"{noble.name} +{noble.points} ({cost_str})"
+
+
+def format_tokens(tokens: Mapping[GemColor, int]) -> str:
+    """Colored 'color: n' list for a token dict."""
+    return " ".join(color_token(c, tokens.get(c, 0)) for c in GEM_COLORS)
+
+
+def format_discounts(discounts: Mapping[GemColor, int]) -> str:
+    """Colored discounts, skipping zeros."""
+    parts: list[str] = []
+    for c in GEM_COLORS:
+        n = discounts.get(c, 0)
+        if not n:
+            continue
+        abbr = COST_ABBR[c]
+        fg, bg = COLOR_STYLE[c]
+        parts.append(f"[{fg} on {bg}]{abbr}:{n}[/{fg} on {bg}]")
+    return ", ".join(parts) if parts else "-"
+
+
+COLOR_STYLE: dict[GemColor, tuple[str, str]] = {
+    "white": ("black", "white"),  # fg, bg
+    "blue": ("bright_white", "blue"),
+    "green": ("bright_white", "sea_green4"),
+    "red": ("white", "red3"),
+    "black": ("white", "grey0"),
+    "gold": ("black", "yellow3"),
+}
+
+
+def fmt_gem(color: GemColor) -> str:
+    """Render gem name with fg/bg matching real token color."""
+    fg, bg = COLOR_STYLE[color]
+    return f"[{fg} on {bg}] {color} [/{fg} on {bg}]"
+
+
+def fmt_number(value: int) -> str:
+    """Return a Rich-markup colored 'value' string."""
+    return f"[bold cyan]{value}[/]"
+
+
+def color_token(name: GemColor, amount: int) -> str:
+    """Return a Rich-markup colored 'name: n' string."""
+    # Map Splendor colors -> terminal colors
+    color_map: Mapping[GemColor, str] = {
+        "white": "white",
+        "blue": "blue",
+        "green": "green",
+        "red": "red",
+        "black": "grey70",  # 'black' is unreadable on dark backgrounds
+        "gold": "yellow",
+    }
+    style = color_map.get(name, "white")
+    return f"[{style}]{name}: {amount}[/]"
+
+
+class Board(Widget):
+    """Big board widget with the layout you sketched."""
+
+    def __init__(self, game: GameState, me: PlayerState, **kwargs: Any) -> None:  # noqa: ANN401
+        """Initialize the board widget."""
+        super().__init__(**kwargs)
+        self.game = game
+        self.me = me
+
+    def compose(self) -> ComposeResult:
+        """Compose the board widget."""
+        # Structure:
+        # ┌ bank row
+        # ├ middle row (tiers | nobles)
+        # └ players row
+        with Vertical(id="board_root"):
+            yield Static(id="bank_box")
+            with Horizontal(id="middle_row"):
+                with Vertical(id="tiers_box"):
+                    yield Static(id="tier1_box")
+                    yield Static(id="tier2_box")
+                    yield Static(id="tier3_box")
+                yield Static(id="nobles_box")
+            yield Static(id="players_box")
+
+    def on_mount(self) -> None:
+        """Refresh the board content."""
+        self.refresh_content()
+
+    def refresh_content(self) -> None:
+        """Refresh the board content."""
+        self._render_bank()
+        self._render_tiers()
+        self._render_nobles()
+        self._render_players()
+
+    # --- sections ----------------------------------------------------
+
+    def _render_bank(self) -> None:
+        bank = self.game.bank
+        parts: list[str] = ["[b]Bank:[/b]"]
+        # One line, all tokens colored
+        parts.append(format_tokens(bank))
+        self.query_one("#bank_box", Static).update("\n".join(parts))
+
+    def _render_tiers(self) -> None:
+        for tier in (1, 2, 3):
+            box = self.query_one(f"#tier{tier}_box", Static)
+            cards: list[Card] = self.game.table_by_tier.get(tier, [])
+            lines: list[str] = [f"[b]Tier {tier} cards:[/b]"]
+            if not cards:
+                lines.append("  (none)")
+            else:
+                for idx, card in enumerate(cards):
+                    lines.append(f"  [{idx}] {format_card(card)}")
+            box.update("\n".join(lines))
+
+    def _render_nobles(self) -> None:
+        nobles_box = self.query_one("#nobles_box", Static)
+        lines: list[str] = ["[b]Nobles[/b]"]
+        if not self.game.available_nobles:
+            lines.append("  (none)")
+        else:
+            lines.extend("  - " + format_noble(noble) for noble in self.game.available_nobles)
+        nobles_box.update("\n".join(lines))
+
+    def _render_players(self) -> None:
+        players_box = self.query_one("#players_box", Static)
+        lines: list[str] = ["[b]Players:[/b]", ""]
+        for player in self.game.players:
+            mark = "*" if player is self.me else " "
+            token_str = format_tokens(player.tokens)
+            discount_str = format_discounts(player.discounts)
+
+            lines.append(
+                f"{mark} {player.name:10}  Score={player.score:2d}  Discounts={discount_str}",
+            )
+            lines.append(f"    Tokens: {token_str}")
+
+            if player.nobles:
+                noble_names = ", ".join(n.name for n in player.nobles)
+                lines.append(f"    Nobles: {noble_names}")
+
+            # Optional: show counts of cards / reserved
+            if player.cards:
+                lines.append(f"    Cards: {len(player.cards)}")
+            if player.reserved:
+                lines.append(f"    Reserved: {len(player.reserved)}")
+
+            lines.append("")
+        players_box.update("\n".join(lines))
+
+
+class ActionApp(App[None]):
+    """Textual app that asks for a single action command and returns an Action."""
+
+    CSS = """
+    Screen {
+        /* 3 rows: command zone, board, footer */
+        layout: grid;
+        grid-size: 1 3;
+        grid-rows: auto 1fr auto;
+    }
+
+    /* Top area with input + instructions */
+    #command_zone {
+        grid-columns: 1;
+        grid-rows: 1;
+        padding: 1 1;
+    }
+
+    /* Board sits in the middle row and can grow */
+    #board {
+        grid-columns: 1;
+        grid-rows: 2;
+        padding: 0 1 1 1;
+    }
+
+    Footer {
+        grid-columns: 1;
+        grid-rows: 3;
+    }
+
+    Input {
+        border: round $accent;
+    }
+
+    /* === Board layout === */
+
+    #board_root {
+        /* outer frame around the whole board area */
+        border: heavy white;
+        padding: 0 1;
+    }
+
+    /* Bank row: full width */
+    #bank_box {
+        border: heavy white;
+        padding: 0 1;
+    }
+
+    /* Middle row: tiers (left) + nobles (right) */
+    #middle_row {
+        layout: horizontal;
+    }
+
+    #tiers_box {
+        border: heavy white;
+        padding: 0 1;
+        width: 70%;
+    }
+
+    #tier1_box,
+    #tier2_box,
+    #tier3_box {
+        border-bottom: heavy white;
+        padding: 0 0 1 0;
+        margin-bottom: 1;
+    }
+
+    #nobles_box {
+        border: heavy white;
+        padding: 0 1;
+        width: 30%;
+    }
+
+    /* Players row: full width at bottom */
+    #players_box {
+        border: heavy white;
+        padding: 0 1;
+    }
+    """
+
+    def __init__(self, game: GameState, player: PlayerState) -> None:
+        """Initialize the action app."""
+        super().__init__()
+        self.game = game
+        self.player = player
+        self.result: Action | None = None
+        self.message: str = ""
+
+    def compose(self) -> ComposeResult:
+        """Compose the action app."""
+        # Row 1: input + Actions text
+        with Vertical(id="command_zone"):
+            yield Input(
+                placeholder="Enter command, e.g. '1 white blue red' or '1 w b r' or 'q'",
+                id="input_line",
+            )
+            yield Static("", id="prompt")
+
+        # Row 2: board
+        yield Board(self.game, self.player, id="board")
+
+        # Row 3: footer
+        yield Footer()
+
+    def on_mount(self) -> None:
+        """Mount the action app."""
+        self._update_prompt()
+        self.query_one(Input).focus()
+
+    def _update_prompt(self) -> None:
+        lines: list[str] = []
+        lines.append("[bold underline]Actions:[/]")
+        lines.append(
+            " [bold green]1[/] <colors...>  - Take up to 3 different gem colors "
+            "(e.g. [cyan]1 white blue red[/] or [cyan]1 w b r[/])",
+        )
+        lines.append(
+            f" [bold green]2[/] <color>      - Take 2 of the same color (needs {fmt_number(4)} in bank, "
+            "e.g. [cyan]2 blue[/] or [cyan]2 b[/])",
+        )
+        lines.append(
+            " [bold green]3[/] <tier> <idx> - Buy a face-up card (e.g. [cyan]3 1 0[/] for tier 1, index 0)",
+        )
+        lines.append(" [bold green]4[/] <idx>        - Buy a reserved card")
+        lines.append(" [bold green]5[/] <tier> <idx> - Reserve a face-up card")
+        lines.append(" [bold green]6[/] <tier>       - Reserve top card of a deck")
+        lines.append(" [bold red]q[/]                - Quit game")
+        if self.message:
+            lines.append("")
+            lines.append(f"[bold red]Message:[/] {self.message}")
+        self.query_one("#prompt", Static).update("\n".join(lines))
+
+    def _cmd_1(self, parts: list[str]) -> str | None:
+        """Take up to 3 different gem colors: 1 white blue red  OR  1 w b r."""
+        color_names = parts[1:]
+        if not color_names:
+            return "Need at least one color (full name or abbreviation)."
+        colors: list[GemColor] = []
+        for name in color_names:
+            color = parse_color_token(name)
+            if self.game.bank[color] <= 0:
+                return f"No tokens left for color: {color}"
+            colors.append(color)
+        self.result = TakeDifferent(colors=colors[:3])
+        self.exit()
+        return None
+
+    def _cmd_2(self, parts: list[str]) -> str | None:
+        """Take two of the same color."""
+        if len(parts) < 2:
+            return "Usage: 2 <color>"
+        color = parse_color_token(parts[1])
+        if self.game.bank[color] < self.game.config.minimum_tokens_to_buy_2:
+            return "Bank must have at least 4 of that color."
+        self.result = TakeDouble(color=color)
+        self.exit()
+        return None
+
+    def _cmd_3(self, parts: list[str]) -> str | None:
+        """Buy face-up card."""
+        if len(parts) < 3:
+            return "Usage: 3 <tier> <index>"
+        tier = int(parts[1])
+        idx = int(parts[2])
+        self.result = BuyCard(tier=tier, index=idx)
+        self.exit()
+        return None
+
+    def _cmd_4(self, parts: list[str]) -> str | None:
+        """Buy reserved card."""
+        if len(parts) < 2:
+            return "Usage: 4 <reserved_index>"
+        idx = int(parts[1])
+        if not (0 <= idx < len(self.player.reserved)):
+            return "Reserved index out of range."
+        self.result = BuyCardReserved(tier=0, index=idx)
+        self.exit()
+        return None
+
+    def _cmd_5(self, parts: list[str]) -> str | None:
+        """Reserve face-up card."""
+        if len(parts) < 3:
+            return "Usage: 5 <tier> <index>"
+        tier = int(parts[1])
+        idx = int(parts[2])
+        self.result = ReserveCard(tier=tier, index=idx, from_deck=False)
+        self.exit()
+        return None
+
+    def _cmd_6(self, parts: list[str]) -> str | None:
+        """Reserve top of deck."""
+        if len(parts) < 2:
+            return "Usage: 6 <tier>"
+        tier = int(parts[1])
+        self.result = ReserveCard(tier=tier, index=None, from_deck=True)
+        self.exit()
+        return None
+
+    def _unknown_cmd(self, _parts: list[str]) -> str:
+        return "Unknown command."
+
+    def on_input_submitted(self, event: Input.Submitted) -> None:
+        """Handle user input."""
+        text = (event.value or "").strip()
+        event.input.value = ""
+        if not text:
+            return
+        if text.lower() in {"q", "quit", "0"}:
+            self.result = None
+            self.exit()
+            return
+
+        parts = text.split()
+
+        cmds = {
+            "1": self._cmd_1,
+            "2": self._cmd_2,
+            "3": self._cmd_3,
+            "4": self._cmd_4,
+            "5": self._cmd_5,
+            "6": self._cmd_6,
+        }
+        cmd = parts[0]
+
+        error = cmds.get(cmd, self._unknown_cmd)(parts)
+
+        if error:
+            self.message = error
+            self._update_prompt()
+            return
+
+
+class DiscardApp(App[None]):
+    """Textual app to choose discards when over token limit."""
+
+    CSS = """
+    Screen {
+        layout: vertical;
+    }
+
+    #command_zone {
+        padding: 1 1;
+    }
+
+    #board {
+        padding: 0 1 1 1;
+    }
+
+    Input {
+        border: round $accent;
+    }
+    """
+
+    def __init__(self, game: GameState, player: PlayerState) -> None:
+        """Initialize the discard app."""
+        super().__init__()
+        self.game = game
+        self.player = player
+        self.discards: dict[GemColor, int] = dict.fromkeys(GEM_COLORS, 0)
+        self.message: str = ""
+
+    def compose(self) -> ComposeResult:  # type: ignore[override]
+        """Compose the discard app."""
+        yield Header(show_clock=False)
+
+        with Vertical(id="command_zone"):
+            yield Input(
+                placeholder="Enter color to discard, e.g. 'blue' or 'b'",
+                id="input_line",
+            )
+            yield Static("", id="prompt")
+
+        # Board directly under the command zone
+        yield Board(self.game, self.player, id="board")
+
+        yield Footer()
+
+    def on_mount(self) -> None:  # type: ignore[override]
+        """Mount the discard app."""
+        self._update_prompt()
+        self.query_one(Input).focus()
+
+    def _remaining_to_discard(self) -> int:
+        return self.player.total_tokens() - sum(self.discards.values()) - self.game.config.token_limit
+
+    def _update_prompt(self) -> None:
+        remaining = max(self._remaining_to_discard(), 0)
+        lines: list[str] = []
+        lines.append(
+            "You must discard "
+            f"{fmt_number(remaining)} token(s) "
+            f"to get down to {fmt_number(self.game.config.token_limit)}.",
+        )
+        disc_str = ", ".join(f"{fmt_gem(c)}={fmt_number(self.discards[c])}" for c in GEM_COLORS)
+        lines.append(f"Current planned discards: {{ {disc_str} }}")
+        lines.append(
+            "Type a color name or abbreviation (e.g. 'blue' or 'b') to discard one token.",
+        )
+        if self.message:
+            lines.append("")
+            lines.append(f"[bold red]Message:[/] {self.message}")
+        self.query_one("#prompt", Static).update("\n".join(lines))
+
+    def on_input_submitted(self, event: Input.Submitted) -> None:  # type: ignore[override]
+        """Handle user input."""
+        raw = (event.value or "").strip()
+        event.input.value = ""
+        if not raw:
+            return
+
+        try:
+            color = parse_color_token(raw)
+        except ValueError:
+            self.message = f"Unknown color: {raw}"
+            self._update_prompt()
+            return
+
+        available = self.player.tokens[color] - self.discards[color]
+        if available <= 0:
+            self.message = f"No more {color} tokens available to discard."
+            self._update_prompt()
+            return
+
+        self.discards[color] += 1
+        if self._remaining_to_discard() <= 0:
+            self.exit()
+            return
+
+        self.message = ""
+        self._update_prompt()
+
+
+# ---------------------------------------------------------------------------
+# Noble choice app
+# ---------------------------------------------------------------------------
+
+
+class NobleChoiceApp(App[None]):
+    """Textual app to choose one noble."""
+
+    CSS = """
+    Screen {
+        layout: vertical;
+    }
+
+    #command_zone {
+        padding: 1 1;
+    }
+
+    #board {
+        padding: 0 1 1 1;
+    }
+
+    Input {
+        border: round $accent;
+    }
+    """
+
+    def __init__(
+        self,
+        game: GameState,
+        player: PlayerState,
+        nobles: list[Noble],
+    ) -> None:
+        """Initialize the noble choice app."""
+        super().__init__()
+        self.game = game
+        self.player = player
+        self.nobles = nobles
+        self.result: Noble | None = None
+        self.message: str = ""
+
+    def compose(self) -> ComposeResult:  # type: ignore[override]
+        """Compose the noble choice app."""
+        yield Header(show_clock=False)
+
+        with Vertical(id="command_zone"):
+            yield Input(
+                placeholder="Enter noble index, e.g. '0'",
+                id="input_line",
+            )
+            yield Static("", id="prompt")
+
+        # Board directly under the command zone
+        yield Board(self.game, self.player, id="board")
+
+        yield Footer()
+
+    def on_mount(self) -> None:  # type: ignore[override]
+        """Mount the noble choice app."""
+        self._update_prompt()
+        self.query_one(Input).focus()
+
+    def _update_prompt(self) -> None:
+        lines: list[str] = []
+        lines.append("[bold underline]You qualify for nobles:[/]")
+        for i, noble in enumerate(self.nobles):
+            lines.append(f" [bright_cyan]{i})[/] {format_noble(noble)}")
+        lines.append("Enter the index of the noble you want.")
+        if self.message:
+            lines.append("")
+            lines.append(f"[bold red]Message:[/] {self.message}")
+        self.query_one("#prompt", Static).update("\n".join(lines))
+
+    def on_input_submitted(self, event: Input.Submitted) -> None:  # type: ignore[override]
+        """Handle user input."""
+        raw = (event.value or "").strip()
+        event.input.value = ""
+        if not raw:
+            return
+        try:
+            idx = int(raw)
+        except ValueError:
+            self.message = "Please enter a valid integer index."
+            self._update_prompt()
+            return
+        if not (0 <= idx < len(self.nobles)):
+            self.message = "Index out of range."
+            self._update_prompt()
+            return
+        self.result = self.nobles[idx]
+        self.exit()
+
+
+class TuiHuman(Strategy):
+    """Textual-based human player Strategy with colorful board."""
+
+    def choose_action(
+        self,
+        game: GameState,
+        player: PlayerState,
+    ) -> Action | None:
+        """Choose an action for the player."""
+        if not sys.stdout.isatty():
+            return None
+        app = ActionApp(game, player)
+        app.run()
+        return app.result
+
+    def choose_discard(
+        self,
+        game: GameState,
+        player: PlayerState,
+        excess: int,  # noqa: ARG002
+    ) -> dict[GemColor, int]:
+        """Choose tokens to discard."""
+        if not sys.stdout.isatty():
+            return dict.fromkeys(GEM_COLORS, 0)
+        app = DiscardApp(game, player)
+        app.run()
+        return app.discards
+
+    def choose_noble(
+        self,
+        game: GameState,
+        player: PlayerState,
+        nobles: list[Noble],
+    ) -> Noble:
+        """Choose a noble for the player."""
+        if not sys.stdout.isatty():
+            return nobles[0]
+        app = NobleChoiceApp(game, player, nobles)
+        app.run()
+        return app.result

python/splendor/main.py

@@ -0,0 +1,19 @@
+"""Main entry point for Splendor game."""
+
+from __future__ import annotations
+
+from .base import new_game, run_game
+from .bot import RandomBot
+from .human import TuiHuman
+
+
+def main() -> None:
+    """Main entry point."""
+    human = TuiHuman()
+    bot = RandomBot()
+    game_state = new_game(["You", "Bot A"])
+    run_game(game_state, [human, bot])
+
+
+if __name__ == "__main__":
+    main()

python/splendor/public_state.py

@@ -0,0 +1,111 @@
+"""Public state for RL/search."""
+
+from __future__ import annotations
+
+from dataclasses import dataclass
+
+from .base import (
+    BASE_COLORS,
+    BASE_INDEX,
+    GEM_ORDER,
+    Card,
+    GameState,
+    Noble,
+    PlayerState,
+)
+
+
+@dataclass(frozen=True)
+class ObsCard:
+    """Numeric-ish card view for RL/search."""
+
+    tier: int
+    points: int
+    color_index: int
+    cost: list[int]
+
+
+@dataclass(frozen=True)
+class ObsNoble:
+    """Numeric-ish noble view for RL/search."""
+
+    points: int
+    requirements: list[int]
+
+
+@dataclass(frozen=True)
+class ObsPlayer:
+    """Numeric-ish player view for RL/search."""
+
+    tokens: list[int]
+    discounts: list[int]
+    score: int
+    cards: list[ObsCard]
+    reserved: list[ObsCard]
+    nobles: list[ObsNoble]
+
+
+@dataclass(frozen=True)
+class Observation:
+    """Full public state for RL/search."""
+
+    current_player: int
+    bank: list[int]
+    players: list[ObsPlayer]
+    table_by_tier: dict[int, list[ObsCard]]
+    decks_remaining: dict[int, int]
+    available_nobles: list[ObsNoble]
+
+
+def _encode_card(card: Card) -> ObsCard:
+    color_index = BASE_INDEX.get(card.color, -1)
+    cost_vec = [card.cost.get(c, 0) for c in BASE_COLORS]
+    return ObsCard(
+        tier=card.tier,
+        points=card.points,
+        color_index=color_index,
+        cost=cost_vec,
+    )
+
+
+def _encode_noble(noble: Noble) -> ObsNoble:
+    req_vec = [noble.requirements.get(c, 0) for c in BASE_COLORS]
+    return ObsNoble(
+        points=noble.points,
+        requirements=req_vec,
+    )
+
+
+def _encode_player(player: PlayerState) -> ObsPlayer:
+    tokens_vec = [player.tokens[c] for c in GEM_ORDER]
+    discounts_vec = [player.discounts[c] for c in GEM_ORDER]
+    cards_enc = [_encode_card(c) for c in player.cards]
+    reserved_enc = [_encode_card(c) for c in player.reserved]
+    nobles_enc = [_encode_noble(n) for n in player.nobles]
+    return ObsPlayer(
+        tokens=tokens_vec,
+        discounts=discounts_vec,
+        score=player.score,
+        cards=cards_enc,
+        reserved=reserved_enc,
+        nobles=nobles_enc,
+    )
+
+
+def to_observation(game: GameState) -> Observation:
+    """Create a structured observation of the full public state."""
+    bank_vec = [game.bank[c] for c in GEM_ORDER]
+    players_enc = [_encode_player(p) for p in game.players]
+    table_enc: dict[int, list[ObsCard]] = {
+        tier: [_encode_card(c) for c in row] for tier, row in game.table_by_tier.items()
+    }
+    decks_remaining = {tier: len(deck) for tier, deck in game.decks_by_tier.items()}
+    nobles_enc = [_encode_noble(n) for n in game.available_nobles]
+    return Observation(
+        current_player=game.current_player_index,
+        bank=bank_vec,
+        players=players_enc,
+        table_by_tier=table_enc,
+        decks_remaining=decks_remaining,
+        available_nobles=nobles_enc,
+    )

python/splendor/sim.py

@@ -0,0 +1,36 @@
+"""Simulate a step in the game."""
+
+from __future__ import annotations
+
+import copy
+
+from .base import Action, GameState, PlayerState, apply_action, check_nobles_for_player
+from .bot import RandomBot
+
+
+class SimStrategy(RandomBot):
+    """Strategy used in simulate_step.
+
+    We never call choose_action here (caller chooses actions),
+    but we reuse discard/noble-selection logic.
+    """
+
+    def choose_action(self, game: GameState, player: PlayerState) -> Action | None:  # noqa: ARG002
+        """Choose an action for the current player."""
+        msg = "SimStrategy.choose_action should not be used in simulate_step"
+        raise RuntimeError(msg)
+
+
+def simulate_step(game: GameState, action: Action) -> GameState:
+    """Return a deep-copied next state after applying action for the current player.
+
+    Useful for tree search / MCTS:
+
+        next_state = simulate_step(state, action)
+    """
+    next_state = copy.deepcopy(game)
+    sim_strategy = SimStrategy()
+    apply_action(next_state, sim_strategy, action)
+    check_nobles_for_player(next_state, sim_strategy, next_state.current_player)
+    next_state.next_player()
+    return next_state

python/splendor/simulat.py

@@ -0,0 +1,50 @@
+"""Simulator for Splendor game."""
+
+from __future__ import annotations
+
+from collections import defaultdict
+from pathlib import Path
+from statistics import mean
+
+from .base import GameConfig, load_cards, load_nobles, new_game, run_game
+from .bot import PersonalizedBot4, RandomBot
+
+
+def main() -> None:
+    """Main entry point."""
+    turn_limit = 1000
+    good_games = 0
+    games = 1
+    winners: dict[str, list] = defaultdict(list)
+    game_data = Path(__file__).parent / "game_data"
+
+    cards = load_cards(game_data / "cards/default.json")
+    nobles = load_nobles(game_data / "nobles/default.json")
+
+    for _ in range(games):
+        bot_a = RandomBot("bot_a")
+        bot_b = RandomBot("bot_b")
+        bot_c = RandomBot("bot_c")
+        bot_d = PersonalizedBot4("my_bot")
+        config = GameConfig(
+            cards=cards,
+            nobles=nobles,
+            turn_limit=turn_limit,
+        )
+        players = (bot_a, bot_b, bot_c, bot_d)
+        game_state = new_game(players, config)
+        winner, turns = run_game(game_state)
+        if turns < turn_limit:
+            good_games += 1
+            winners[winner.strategy.name].append(turns)
+
+    print(
+        f"out of {games} {turn_limit} turn games with {len(players)}"
+        f"random bots there where {good_games} games where a bot won"
+    )
+    for name, turns in winners.items():
+        print(f"{name} won {len(turns)} games in {mean(turns):.2f} turns")
+
+
+if __name__ == "__main__":
+    main()

python/system_tests/validate_system.py

@@ -4,7 +4,7 @@ import logging
 import sys
 import tomllib
 from os import environ
-from pathlib import Path  # noqa: TC003 This is required for the typer CLI
+from pathlib import Path
 from socket import gethostname
 
 import typer

python/tools/audiobook/audible_convert.py

@@ -451,7 +451,7 @@ def convert_aax_file_with_agent(aax_file: Path, config: ConversionConfig) -> Non
     destination.parent.mkdir(parents=True, exist_ok=True)
     try:
         temp_file.replace(destination)
-    except OSError as error:
+    except Exception as error:  # noqa: BLE001
         write_review_file(
             destination=destination,
             ffprobe_metadata=ffprobe_metadata,

python/tools/audiobook/catalog.py

@@ -169,6 +169,7 @@ def csv_id(row: dict[str, str | None], csv_path: Path, row_number: int) -> int |
     except ValueError as error:
         msg = f"{csv_path}:{row_number}: id must be an integer: {value}"
         raise CatalogImportError(msg) from error
+    return None
 
 
 if __name__ == "__main__":

python/tools/installer.py

@@ -1,3 +1,4 @@
+# ruff: noqa: LOG015, E501, D102, D103, D107 These need the be fixed
 """Install NixOS on a ZFS pool."""
 
 from __future__ import annotations
@@ -16,9 +17,6 @@ from typing import TYPE_CHECKING
 if TYPE_CHECKING:
     from collections.abc import Sequence
 
-logger = logging.getLogger(__name__)
-ESCAPE_KEY = 27
-
 
 def configure_logger(level: str = "INFO") -> None:
     """Configure the logger.
@@ -44,7 +42,7 @@ def bash_wrapper(command: str) -> str:
         Tuple[str, int]: A tuple containing the output of the command (stdout) as a string,
         the error output (stderr) as a string (optional), and the return code as an integer.
     """
-    logger.debug(f"running {command=}")
+    logging.debug(f"running {command=}")
     # This is a acceptable risk
     process = Popen(command.split(), stdout=PIPE, stderr=PIPE)
     output, _ = process.communicate()
@@ -65,7 +63,7 @@ def partition_disk(disk: str, swap_size: int, reserve: int = 0) -> None:
         reserve (int, optional): The size of the reserve partition in GB. Defaults to 0.
             minimum value is 0.
     """
-    logger.info(f"partitioning {disk=}")
+    logging.info(f"partitioning {disk=}")
     swap_size = max(swap_size, 1)
     reserve = max(reserve, 0)
 
@@ -73,16 +71,16 @@ def partition_disk(disk: str, swap_size: int, reserve: int = 0) -> None:
 
     if reserve > 0:
         msg = f"Creating swap partition on {disk=} with size {swap_size=}GiB and reserve {reserve=}GiB"
-        logger.info(msg)
+        logging.info(msg)
 
         swap_start = swap_size + reserve
         swap_partition = f"mkpart swap -{swap_start}GiB -{reserve}GiB "
     else:
-        logger.info(f"Creating swap partition on {disk=} with size {swap_size=}GiB")
+        logging.info(f"Creating swap partition on {disk=} with size {swap_size=}GiB")
         swap_start = swap_size
         swap_partition = f"mkpart swap -{swap_start}GiB 100% "
 
-    logger.debug(f"{swap_partition=}")
+    logging.debug(f"{swap_partition=}")
 
     create_partitions = (
         f"parted --script --align=optimal {disk} -- "
@@ -94,7 +92,7 @@ def partition_disk(disk: str, swap_size: int, reserve: int = 0) -> None:
     )
     bash_wrapper(create_partitions)
 
-    logger.info(f"{disk=} successfully partitioned")
+    logging.info(f"{disk=} successfully partitioned")
 
 
 def create_zfs_pool(pool_disks: Sequence[str], mnt_dir: str) -> None:
@@ -133,7 +131,7 @@ def create_zfs_pool(pool_disks: Sequence[str], mnt_dir: str) -> None:
     bash_wrapper(zpool_create)
     zpools = bash_wrapper("zpool list -o name")
     if "root_pool" not in zpools.splitlines():
-        logger.critical("Failed to create root_pool")
+        logging.critical("Failed to create root_pool")
         sys.exit(1)
 
 
@@ -153,7 +151,7 @@ def create_zfs_datasets() -> None:
     }
     missing_datasets = expected_datasets.difference(datasets.splitlines())
     if missing_datasets:
-        logger.critical(f"Failed to create pools {missing_datasets}")
+        logging.critical(f"Failed to create pools {missing_datasets}")
         sys.exit(1)
 
 
@@ -166,7 +164,8 @@ def get_cpu_manufacturer() -> str:
     for line in output.splitlines():
         if "vendor_id" in line:
             return id_vendor[line.split(": ")[1].strip()]
-    error = "Failed to get CPU manufacturer"
+
+    error = "CPU manufacturer not found"
     raise RuntimeError(error)
 
 
@@ -201,15 +200,7 @@ def create_nix_hardware_file(mnt_dir: str, disks: Sequence[str], *, encrypt: boo
         '  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];\n\n'
         "  boot = {\n"
         "    initrd = {\n"
-        "      availableKernelModules = [ \n"
-        '        "ahci"\n'
-        '        "ehci_pci"\n'
-        '        "nvme"\n'
-        '        "sd_mod"\n'
-        '        "usb_storage"\n'
-        '        "usbhid"\n'
-        '        "xhci_pci"\n'
-        "      ];\n"
+        '      availableKernelModules = [ \n        "ahci"\n        "ehci_pci"\n        "nvme"\n        "sd_mod"\n        "usb_storage"\n        "usbhid"\n        "xhci_pci"\n      ];\n'
         "      kernelModules = [ ];\n"
         f" {devices}"
         "    };\n"
@@ -223,18 +214,11 @@ def create_nix_hardware_file(mnt_dir: str, disks: Sequence[str], *, encrypt: boo
         '    "/nix" = {\n      device = "root_pool/nix";\n      fsType = "zfs";\n    };\n\n'
         '    "/boot" = {\n'
         f'      device = "/dev/disk/by-uuid/{get_boot_drive_id(disks[0])}";\n'
-        '      fsType = "vfat";\n'
-        "      options = [\n"
-        '        "fmask=0077"\n'
-        '        "dmask=0077"\n'
-        "      ];\n"
-        "    };\n"
-        "  };\n\n"
+        '      fsType = "vfat";\n      options = [\n        "fmask=0077"\n        "dmask=0077"\n      ];\n    };\n  };\n\n'
         "  swapDevices = [ ];\n\n"
         "  networking.useDHCP = lib.mkDefault true;\n\n"
         '  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";\n'
-        f"  hardware.cpu.{cpu_manufacturer}.updateMicrocode = lib.mkDefault "
-        "config.hardware.enableRedistributableFirmware;\n"
+        f"  hardware.cpu.{cpu_manufacturer}.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;\n"
         f'  networking.hostId = "{host_id}";\n'
         "}\n"
     )
@@ -272,32 +256,19 @@ def installer(
     encrypt_key: str | None,
 ) -> None:
     """Main."""
-    logger.info("Starting installation")
+    logging.info("Starting installation")
 
     for disk in disks:
         partition_disk(disk, swap_size, reserve)
 
         if encrypt_key:
             sleep(1)
-            key_input = encrypt_key.encode()
-            run(
-                ("cryptsetup", "luksFormat", "--type", "luks2", f"{disk}-part2", "-"),
-                input=key_input,
-                check=True,
-            )
-            run(
-                (
-                    "cryptsetup",
-                    "luksOpen",
-                    f"{disk}-part2",
-                    f"luks-root-pool-{disk.split('/')[-1]}-part2",
-                    "-",
-                ),
-                input=key_input,
-                check=True,
-            )
+            for command in (
+                f'printf "{encrypt_key}" | cryptsetup luksFormat --type luks2 {disk}-part2 -',
+                f'printf "{encrypt_key}" | cryptsetup luksOpen {disk}-part2 luks-root-pool-{disk.split("/")[-1]}-part2 -',
+            ):
+                run(command, shell=True, check=True)  # noqa: S602
 
-    # Fixed mount point for the new system; the installer runs as root on a fresh disk
     mnt_dir = "/tmp/nix_install"  # noqa: S108
 
     Path(mnt_dir).mkdir(parents=True, exist_ok=True)
@@ -311,73 +282,59 @@ def installer(
 
     create_zfs_datasets()
 
-    install_nixos(mnt_dir, disks, encrypt=bool(encrypt_key))
+    install_nixos(mnt_dir, disks, encrypt=encrypt_key)
 
-    logger.info("Installation complete")
+    logging.info("Installation complete")
 
 
 class Cursor:
-    """Track cursor position and constrain movement to screen bounds."""
+    """Cursor class to store the cursor position."""
 
     def __init__(self) -> None:
-        """Initialize cursor position and screen dimensions."""
         self.x_position = 0
         self.y_position = 0
         self.height = 0
         self.width = 0
 
     def set_height(self, height: int) -> None:
-        """Set the maximum screen height."""
         self.height = height
 
     def set_width(self, width: int) -> None:
-        """Set the maximum screen width."""
         self.width = width
 
     def x_bounce_check(self, cursor: int) -> int:
-        """Clamp an x position to the screen width."""
         cursor = max(0, cursor)
         return min(self.width - 1, cursor)
 
     def y_bounce_check(self, cursor: int) -> int:
-        """Clamp a y position to the screen height."""
         cursor = max(0, cursor)
         return min(self.height - 1, cursor)
 
     def set_x(self, x: int) -> None:
-        """Set the cursor x position."""
         self.x_position = self.x_bounce_check(x)
 
     def set_y(self, y: int) -> None:
-        """Set the cursor y position."""
         self.y_position = self.y_bounce_check(y)
 
     def get_x(self) -> int:
-        """Get the cursor x position."""
         return self.x_position
 
     def get_y(self) -> int:
-        """Get the cursor y position."""
         return self.y_position
 
     def move_up(self) -> None:
-        """Move the cursor up one row."""
         self.set_y(self.y_position - 1)
 
     def move_down(self) -> None:
-        """Move the cursor down one row."""
         self.set_y(self.y_position + 1)
 
     def move_left(self) -> None:
-        """Move the cursor left one column."""
         self.set_x(self.x_position - 1)
 
     def move_right(self) -> None:
-        """Move the cursor right one column."""
         self.set_x(self.x_position + 1)
 
     def navigation(self, key: int) -> None:
-        """Move the cursor for a curses navigation key."""
         action = {
             curses.KEY_DOWN: self.move_down,
             curses.KEY_UP: self.move_up,
@@ -392,7 +349,6 @@ class State:
     """State class to store the state of the program."""
 
     def __init__(self) -> None:
-        """Initialize installer menu state."""
         self.key = 0
         self.cursor = Cursor()
 
@@ -410,7 +366,6 @@ class State:
 
 
 def get_device(raw_device: str) -> dict[str, str]:
-    """Parse an lsblk key-value device row."""
     raw_device_components = raw_device.split(" ")
     return {thing.split("=")[0].lower(): thing.split("=")[1].strip('"') for thing in raw_device_components}
 
@@ -440,7 +395,6 @@ def get_device_id_mapping() -> dict[str, set[str]]:
 
 
 def calculate_device_menu_padding(devices: list[dict[str, str]], column: str, padding: int = 0) -> int:
-    """Calculate the width needed for a device menu column."""
     return max(len(device[column]) for device in devices) + padding
 
 
@@ -452,7 +406,6 @@ def draw_device_ids(
     menu_width: list[int],
     device_ids: set[str],
 ) -> tuple[State, int]:
-    """Draw selectable device IDs for a device row."""
     for device_id in sorted(device_ids):
         row_number = row_number + 1
         if row_number == state.cursor.get_y() and state.cursor.get_x() in menu_width:
@@ -481,7 +434,7 @@ def draw_device_menu(
     state: State,
     menu_start_y: int = 0,
     menu_start_x: int = 0,
-) -> tuple[State, int]:
+) -> State:
     """Draw the device menu and handle user input.
 
     Args:
@@ -537,7 +490,6 @@ def draw_device_menu(
 
 
 def debug_menu(std_screen: curses.window, key: int) -> None:
-    """Draw debug information for the current curses screen."""
     height, width = std_screen.getmaxyx()
     width_height = f"Width: {width}, Height: {height}"
     std_screen.addstr(height - 4, 0, width_height, curses.color_pair(5))
@@ -557,7 +509,6 @@ def status_bar(
     width: int,
     height: int,
 ) -> None:
-    """Draw the footer status bar."""
     std_screen.attron(curses.A_REVERSE)
     std_screen.attron(curses.color_pair(3))
 
@@ -570,7 +521,6 @@ def status_bar(
 
 
 def set_color() -> None:
-    """Initialize curses color pairs."""
     curses.start_color()
     curses.use_default_colors()
     for i in range(curses.COLORS):
@@ -578,7 +528,6 @@ def set_color() -> None:
 
 
 def get_text_input(std_screen: curses.window, prompt: str, y: int, x: int) -> str:
-    """Read text input from a curses screen."""
     curses.echo()
     std_screen.addstr(y, x, prompt)
     input_str = ""
@@ -586,7 +535,7 @@ def get_text_input(std_screen: curses.window, prompt: str, y: int, x: int) -> st
         key = std_screen.getch()
         if key == ord("\n"):
             break
-        if key == ESCAPE_KEY:
+        if key == 27:  # ESC key  # noqa: PLR2004
             input_str = ""
             break
         if key in (curses.KEY_BACKSPACE, ord("\b"), 127):
@@ -604,7 +553,6 @@ def swap_size_input(
     state: State,
     swap_offset: int,
 ) -> State:
-    """Handle swap size input."""
     swap_size_text = "Swap size (GB): "
     std_screen.addstr(swap_offset, 0, f"{swap_size_text}{state.swap_size}")
     if state.key == ord("\n") and state.cursor.get_y() == swap_offset:
@@ -628,7 +576,6 @@ def reserve_size_input(
     state: State,
     reserve_offset: int,
 ) -> State:
-    """Handle reserve size input."""
     reserve_size_text = "reserve size (GB): "
     std_screen.addstr(reserve_offset, 0, f"{reserve_size_text}{state.reserve_size}")
     if state.key == ord("\n") and state.cursor.get_y() == reserve_offset:
@@ -652,7 +599,6 @@ def draw_menu(std_screen: curses.window) -> State:
 
     Args:
         std_screen (curses.window): the curses window to draw on
-
     Returns:
         State: the state object
     """
@@ -712,18 +658,17 @@ def draw_menu(std_screen: curses.window) -> State:
 
 
 def main() -> None:
-    """Run the installer menu and start installation."""
     configure_logger("DEBUG")
 
     state = curses.wrapper(draw_menu)
 
     encrypt_key = getenv("ENCRYPT_KEY")
 
-    logger.info("installing_nixos")
-    logger.info(f"disks: {state.selected_device_ids}")
-    logger.info(f"swap_size: {state.swap_size}")
-    logger.info(f"reserve: {state.reserve_size}")
-    logger.info(f"encrypted: {bool(encrypt_key)}")
+    logging.info("installing_nixos")
+    logging.info(f"disks: {state.selected_device_ids}")
+    logging.info(f"swap_size: {state.swap_size}")
+    logging.info(f"reserve: {state.reserve_size}")
+    logging.info(f"encrypted: {bool(encrypt_key)}")
 
     sleep(3)
 

python/van_inventory/__init__.py

@@ -0,0 +1 @@
+"""Van inventory FastAPI application."""

python/van_inventory/dependencies.py

@@ -0,0 +1,16 @@
+"""FastAPI dependencies for van inventory."""
+
+from collections.abc import Iterator
+from typing import Annotated
+
+from fastapi import Depends, Request
+from sqlalchemy.orm import Session
+
+
+def get_db(request: Request) -> Iterator[Session]:
+    """Get database session from app state."""
+    with Session(request.app.state.engine) as session:
+        yield session
+
+
+DbSession = Annotated[Session, Depends(get_db)]

python/van_inventory/main.py

@@ -0,0 +1,56 @@
+"""FastAPI app for van inventory."""
+
+from __future__ import annotations
+
+import logging
+from contextlib import asynccontextmanager
+from pathlib import Path
+from typing import TYPE_CHECKING, Annotated
+
+import typer
+import uvicorn
+from fastapi import FastAPI
+from fastapi.staticfiles import StaticFiles
+
+from python.common import configure_logger
+from python.orm.common import get_postgres_engine
+from python.van_inventory.routers import api_router, frontend_router
+
+STATIC_DIR = Path(__file__).resolve().parent / "static"
+
+if TYPE_CHECKING:
+    from collections.abc import AsyncIterator
+
+logger = logging.getLogger(__name__)
+
+
+def create_app() -> FastAPI:
+    """Create and configure the FastAPI application."""
+
+    @asynccontextmanager
+    async def lifespan(app: FastAPI) -> AsyncIterator[None]:
+        app.state.engine = get_postgres_engine(name="VAN_INVENTORY")
+        yield
+        app.state.engine.dispose()
+
+    app = FastAPI(title="Van Inventory", lifespan=lifespan)
+    app.mount("/static", StaticFiles(directory=STATIC_DIR), name="static")
+    app.include_router(api_router)
+    app.include_router(frontend_router)
+    return app
+
+
+def serve(
+    # Intentionally binds all interfaces — this is a LAN-only van server
+    host: Annotated[str, typer.Option("--host", "-h", help="Host to bind to")] = "0.0.0.0",  # noqa: S104
+    port: Annotated[int, typer.Option("--port", "-p", help="Port to bind to")] = 8001,
+    log_level: Annotated[str, typer.Option("--log-level", "-l", help="Log level")] = "INFO",
+) -> None:
+    """Start the Van Inventory server."""
+    configure_logger(log_level)
+    app = create_app()
+    uvicorn.run(app, host=host, port=port)
+
+
+if __name__ == "__main__":
+    typer.run(serve)

python/van_inventory/routers/__init__.py

@@ -0,0 +1,6 @@
+"""Van inventory API routers."""
+
+from python.van_inventory.routers.api import router as api_router
+from python.van_inventory.routers.frontend import router as frontend_router
+
+__all__ = ["api_router", "frontend_router"]

python/van_inventory/routers/api.py

@@ -0,0 +1,314 @@
+"""Van inventory API router."""
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from fastapi import APIRouter, HTTPException
+from pydantic import BaseModel, Field
+from sqlalchemy import select
+from sqlalchemy.orm import selectinload
+
+from python.orm.van_inventory.models import Item, Meal, MealIngredient
+
+if TYPE_CHECKING:
+    from python.van_inventory.dependencies import DbSession
+
+
+# --- Schemas ---
+
+
+class ItemCreate(BaseModel):
+    """Schema for creating an item."""
+
+    name: str
+    quantity: float = Field(default=0, ge=0)
+    unit: str
+    category: str | None = None
+
+
+class ItemUpdate(BaseModel):
+    """Schema for updating an item."""
+
+    name: str | None = None
+    quantity: float | None = Field(default=None, ge=0)
+    unit: str | None = None
+    category: str | None = None
+
+
+class ItemResponse(BaseModel):
+    """Schema for item response."""
+
+    id: int
+    name: str
+    quantity: float
+    unit: str
+    category: str | None
+
+    model_config = {"from_attributes": True}
+
+
+class IngredientCreate(BaseModel):
+    """Schema for adding an ingredient to a meal."""
+
+    item_id: int
+    quantity_needed: float = Field(gt=0)
+
+
+class MealCreate(BaseModel):
+    """Schema for creating a meal."""
+
+    name: str
+    instructions: str | None = None
+    ingredients: list[IngredientCreate] = []
+
+
+class MealUpdate(BaseModel):
+    """Schema for updating a meal."""
+
+    name: str | None = None
+    instructions: str | None = None
+
+
+class IngredientResponse(BaseModel):
+    """Schema for ingredient response."""
+
+    item_id: int
+    item_name: str
+    quantity_needed: float
+    unit: str
+
+    model_config = {"from_attributes": True}
+
+
+class MealResponse(BaseModel):
+    """Schema for meal response."""
+
+    id: int
+    name: str
+    instructions: str | None
+    ingredients: list[IngredientResponse] = []
+
+    model_config = {"from_attributes": True}
+
+    @classmethod
+    def from_meal(cls, meal: Meal) -> MealResponse:
+        """Build a MealResponse from an ORM Meal with loaded ingredients."""
+        return cls(
+            id=meal.id,
+            name=meal.name,
+            instructions=meal.instructions,
+            ingredients=[
+                IngredientResponse(
+                    item_id=mi.item_id,
+                    item_name=mi.item.name,
+                    quantity_needed=mi.quantity_needed,
+                    unit=mi.item.unit,
+                )
+                for mi in meal.ingredients
+            ],
+        )
+
+
+class ShoppingItem(BaseModel):
+    """An item needed for a meal that is short on stock."""
+
+    item_name: str
+    unit: str
+    needed: float
+    have: float
+    short: float
+
+
+class MealAvailability(BaseModel):
+    """Availability status for a meal."""
+
+    meal_id: int
+    meal_name: str
+    can_make: bool
+    missing: list[ShoppingItem] = []
+
+
+# --- Routes ---
+
+router = APIRouter(prefix="/api", tags=["van_inventory"])
+
+
+# Items
+
+
+@router.post("/items", response_model=ItemResponse)
+def create_item(item: ItemCreate, db: DbSession) -> Item:
+    """Create a new inventory item."""
+    db_item = Item(**item.model_dump())
+    db.add(db_item)
+    db.commit()
+    db.refresh(db_item)
+    return db_item
+
+
+@router.get("/items", response_model=list[ItemResponse])
+def list_items(db: DbSession) -> list[Item]:
+    """List all inventory items."""
+    return list(db.scalars(select(Item).order_by(Item.name)).all())
+
+
+@router.get("/items/{item_id}", response_model=ItemResponse)
+def get_item(item_id: int, db: DbSession) -> Item:
+    """Get an item by ID."""
+    item = db.get(Item, item_id)
+    if not item:
+        raise HTTPException(status_code=404, detail="Item not found")
+    return item
+
+
+@router.patch("/items/{item_id}", response_model=ItemResponse)
+def update_item(item_id: int, item: ItemUpdate, db: DbSession) -> Item:
+    """Update an item by ID."""
+    db_item = db.get(Item, item_id)
+    if not db_item:
+        raise HTTPException(status_code=404, detail="Item not found")
+    for key, value in item.model_dump(exclude_unset=True).items():
+        setattr(db_item, key, value)
+    db.commit()
+    db.refresh(db_item)
+    return db_item
+
+
+@router.delete("/items/{item_id}")
+def delete_item(item_id: int, db: DbSession) -> dict[str, bool]:
+    """Delete an item by ID."""
+    item = db.get(Item, item_id)
+    if not item:
+        raise HTTPException(status_code=404, detail="Item not found")
+    db.delete(item)
+    db.commit()
+    return {"deleted": True}
+
+
+# Meals
+
+
+@router.post("/meals", response_model=MealResponse)
+def create_meal(meal: MealCreate, db: DbSession) -> MealResponse:
+    """Create a new meal with optional ingredients."""
+    for ing in meal.ingredients:
+        if not db.get(Item, ing.item_id):
+            raise HTTPException(status_code=422, detail=f"Item {ing.item_id} not found")
+    db_meal = Meal(name=meal.name, instructions=meal.instructions)
+    db.add(db_meal)
+    db.flush()
+    for ing in meal.ingredients:
+        db.add(MealIngredient(meal_id=db_meal.id, item_id=ing.item_id, quantity_needed=ing.quantity_needed))
+    db.commit()
+    db_meal = db.scalar(
+        select(Meal)
+        .where(Meal.id == db_meal.id)
+        .options(selectinload(Meal.ingredients).selectinload(MealIngredient.item))
+    )
+    return MealResponse.from_meal(db_meal)
+
+
+@router.get("/meals", response_model=list[MealResponse])
+def list_meals(db: DbSession) -> list[MealResponse]:
+    """List all meals with ingredients."""
+    meals = list(
+        db.scalars(
+            select(Meal).options(selectinload(Meal.ingredients).selectinload(MealIngredient.item)).order_by(Meal.name)
+        ).all()
+    )
+    return [MealResponse.from_meal(m) for m in meals]
+
+
+@router.get("/meals/availability", response_model=list[MealAvailability])
+def check_all_meals(db: DbSession) -> list[MealAvailability]:
+    """Check which meals can be made with current inventory."""
+    meals = list(
+        db.scalars(select(Meal).options(selectinload(Meal.ingredients).selectinload(MealIngredient.item))).all()
+    )
+    return [_check_meal(m) for m in meals]
+
+
+@router.get("/meals/{meal_id}", response_model=MealResponse)
+def get_meal(meal_id: int, db: DbSession) -> MealResponse:
+    """Get a meal by ID with ingredients."""
+    meal = db.scalar(
+        select(Meal).where(Meal.id == meal_id).options(selectinload(Meal.ingredients).selectinload(MealIngredient.item))
+    )
+    if not meal:
+        raise HTTPException(status_code=404, detail="Meal not found")
+    return MealResponse.from_meal(meal)
+
+
+@router.delete("/meals/{meal_id}")
+def delete_meal(meal_id: int, db: DbSession) -> dict[str, bool]:
+    """Delete a meal by ID."""
+    meal = db.get(Meal, meal_id)
+    if not meal:
+        raise HTTPException(status_code=404, detail="Meal not found")
+    db.delete(meal)
+    db.commit()
+    return {"deleted": True}
+
+
+@router.post("/meals/{meal_id}/ingredients", response_model=MealResponse)
+def add_ingredient(meal_id: int, ingredient: IngredientCreate, db: DbSession) -> MealResponse:
+    """Add an ingredient to a meal."""
+    meal = db.get(Meal, meal_id)
+    if not meal:
+        raise HTTPException(status_code=404, detail="Meal not found")
+    if not db.get(Item, ingredient.item_id):
+        raise HTTPException(status_code=422, detail="Item not found")
+    existing = db.scalar(
+        select(MealIngredient).where(MealIngredient.meal_id == meal_id, MealIngredient.item_id == ingredient.item_id)
+    )
+    if existing:
+        raise HTTPException(status_code=409, detail="Ingredient already exists for this meal")
+    db.add(MealIngredient(meal_id=meal_id, item_id=ingredient.item_id, quantity_needed=ingredient.quantity_needed))
+    db.commit()
+    meal = db.scalar(
+        select(Meal).where(Meal.id == meal_id).options(selectinload(Meal.ingredients).selectinload(MealIngredient.item))
+    )
+    return MealResponse.from_meal(meal)
+
+
+@router.delete("/meals/{meal_id}/ingredients/{item_id}")
+def remove_ingredient(meal_id: int, item_id: int, db: DbSession) -> dict[str, bool]:
+    """Remove an ingredient from a meal."""
+    mi = db.scalar(select(MealIngredient).where(MealIngredient.meal_id == meal_id, MealIngredient.item_id == item_id))
+    if not mi:
+        raise HTTPException(status_code=404, detail="Ingredient not found")
+    db.delete(mi)
+    db.commit()
+    return {"deleted": True}
+
+
+@router.get("/meals/{meal_id}/availability", response_model=MealAvailability)
+def check_meal(meal_id: int, db: DbSession) -> MealAvailability:
+    """Check if a specific meal can be made and what's missing."""
+    meal = db.scalar(
+        select(Meal).where(Meal.id == meal_id).options(selectinload(Meal.ingredients).selectinload(MealIngredient.item))
+    )
+    if not meal:
+        raise HTTPException(status_code=404, detail="Meal not found")
+    return _check_meal(meal)
+
+
+def _check_meal(meal: Meal) -> MealAvailability:
+    missing = [
+        ShoppingItem(
+            item_name=mi.item.name,
+            unit=mi.item.unit,
+            needed=mi.quantity_needed,
+            have=mi.item.quantity,
+            short=mi.quantity_needed - mi.item.quantity,
+        )
+        for mi in meal.ingredients
+        if mi.item.quantity < mi.quantity_needed
+    ]
+    return MealAvailability(
+        meal_id=meal.id,
+        meal_name=meal.name,
+        can_make=len(missing) == 0,
+        missing=missing,
+    )

python/van_inventory/routers/frontend.py

@@ -0,0 +1,198 @@
+"""HTMX frontend routes for van inventory."""
+
+from __future__ import annotations
+
+from pathlib import Path
+from typing import Annotated
+
+from fastapi import APIRouter, Form, HTTPException, Request
+from fastapi.responses import HTMLResponse
+from fastapi.templating import Jinja2Templates
+from sqlalchemy import select
+from sqlalchemy.orm import selectinload
+
+from python.orm.van_inventory.models import Item, Meal, MealIngredient
+
+# FastAPI needs DbSession at runtime to resolve the Depends() annotation
+from python.van_inventory.dependencies import DbSession  # noqa: TC001
+from python.van_inventory.routers.api import _check_meal
+
+TEMPLATE_DIR = Path(__file__).resolve().parent.parent / "templates"
+templates = Jinja2Templates(directory=TEMPLATE_DIR)
+
+router = APIRouter(tags=["frontend"])
+
+
+# --- Items ---
+
+
+@router.get("/", response_class=HTMLResponse)
+def items_page(request: Request, db: DbSession) -> HTMLResponse:
+    """Render the inventory page."""
+    items = list(db.scalars(select(Item).order_by(Item.name)).all())
+    return templates.TemplateResponse(request, "items.html", {"items": items})
+
+
+@router.post("/items", response_class=HTMLResponse)
+def htmx_create_item(
+    request: Request,
+    db: DbSession,
+    name: Annotated[str, Form()],
+    quantity: Annotated[float, Form()] = 0,
+    unit: Annotated[str, Form()] = "",
+    category: Annotated[str | None, Form()] = None,
+) -> HTMLResponse:
+    """Create an item and return updated item rows."""
+    if quantity < 0:
+        raise HTTPException(status_code=422, detail="Quantity must not be negative")
+    db.add(Item(name=name, quantity=quantity, unit=unit, category=category or None))
+    db.commit()
+    items = list(db.scalars(select(Item).order_by(Item.name)).all())
+    return templates.TemplateResponse(request, "partials/item_rows.html", {"items": items})
+
+
+@router.patch("/items/{item_id}", response_class=HTMLResponse)
+def htmx_update_item(
+    request: Request,
+    item_id: int,
+    db: DbSession,
+    quantity: Annotated[float, Form()],
+) -> HTMLResponse:
+    """Update an item's quantity and return updated item rows."""
+    if quantity < 0:
+        raise HTTPException(status_code=422, detail="Quantity must not be negative")
+    item = db.get(Item, item_id)
+    if item:
+        item.quantity = quantity
+        db.commit()
+    items = list(db.scalars(select(Item).order_by(Item.name)).all())
+    return templates.TemplateResponse(request, "partials/item_rows.html", {"items": items})
+
+
+@router.delete("/items/{item_id}", response_class=HTMLResponse)
+def htmx_delete_item(request: Request, item_id: int, db: DbSession) -> HTMLResponse:
+    """Delete an item and return updated item rows."""
+    item = db.get(Item, item_id)
+    if item:
+        db.delete(item)
+        db.commit()
+    items = list(db.scalars(select(Item).order_by(Item.name)).all())
+    return templates.TemplateResponse(request, "partials/item_rows.html", {"items": items})
+
+
+# --- Meals ---
+
+
+def _load_meals(db: DbSession) -> list[Meal]:
+    return list(
+        db.scalars(
+            select(Meal).options(selectinload(Meal.ingredients).selectinload(MealIngredient.item)).order_by(Meal.name)
+        ).all()
+    )
+
+
+@router.get("/meals", response_class=HTMLResponse)
+def meals_page(request: Request, db: DbSession) -> HTMLResponse:
+    """Render the meals page."""
+    meals = _load_meals(db)
+    return templates.TemplateResponse(request, "meals.html", {"meals": meals})
+
+
+@router.post("/meals", response_class=HTMLResponse)
+def htmx_create_meal(
+    request: Request,
+    db: DbSession,
+    name: Annotated[str, Form()],
+    instructions: Annotated[str | None, Form()] = None,
+) -> HTMLResponse:
+    """Create a meal and return updated meal rows."""
+    db.add(Meal(name=name, instructions=instructions or None))
+    db.commit()
+    meals = _load_meals(db)
+    return templates.TemplateResponse(request, "partials/meal_rows.html", {"meals": meals})
+
+
+@router.delete("/meals/{meal_id}", response_class=HTMLResponse)
+def htmx_delete_meal(request: Request, meal_id: int, db: DbSession) -> HTMLResponse:
+    """Delete a meal and return updated meal rows."""
+    meal = db.get(Meal, meal_id)
+    if meal:
+        db.delete(meal)
+        db.commit()
+    meals = _load_meals(db)
+    return templates.TemplateResponse(request, "partials/meal_rows.html", {"meals": meals})
+
+
+# --- Meal detail ---
+
+
+def _load_meal(db: DbSession, meal_id: int) -> Meal | None:
+    return db.scalar(
+        select(Meal).where(Meal.id == meal_id).options(selectinload(Meal.ingredients).selectinload(MealIngredient.item))
+    )
+
+
+@router.get("/meals/{meal_id}", response_class=HTMLResponse)
+def meal_detail_page(request: Request, meal_id: int, db: DbSession) -> HTMLResponse:
+    """Render the meal detail page."""
+    meal = _load_meal(db, meal_id)
+    if not meal:
+        raise HTTPException(status_code=404, detail="Meal not found")
+    items = list(db.scalars(select(Item).order_by(Item.name)).all())
+    return templates.TemplateResponse(request, "meal_detail.html", {"meal": meal, "items": items})
+
+
+@router.post("/meals/{meal_id}/ingredients", response_class=HTMLResponse)
+def htmx_add_ingredient(
+    request: Request,
+    meal_id: int,
+    db: DbSession,
+    item_id: Annotated[int, Form()],
+    quantity_needed: Annotated[float, Form()],
+) -> HTMLResponse:
+    """Add an ingredient to a meal and return updated ingredient rows."""
+    if quantity_needed <= 0:
+        raise HTTPException(status_code=422, detail="Quantity must be positive")
+    meal = db.get(Meal, meal_id)
+    if not meal:
+        raise HTTPException(status_code=404, detail="Meal not found")
+    if not db.get(Item, item_id):
+        raise HTTPException(status_code=422, detail="Item not found")
+    existing = db.scalar(
+        select(MealIngredient).where(MealIngredient.meal_id == meal_id, MealIngredient.item_id == item_id)
+    )
+    if existing:
+        raise HTTPException(status_code=409, detail="Ingredient already exists for this meal")
+    db.add(MealIngredient(meal_id=meal_id, item_id=item_id, quantity_needed=quantity_needed))
+    db.commit()
+    meal = _load_meal(db, meal_id)
+    return templates.TemplateResponse(request, "partials/ingredient_rows.html", {"meal": meal})
+
+
+@router.delete("/meals/{meal_id}/ingredients/{item_id}", response_class=HTMLResponse)
+def htmx_remove_ingredient(
+    request: Request,
+    meal_id: int,
+    item_id: int,
+    db: DbSession,
+) -> HTMLResponse:
+    """Remove an ingredient from a meal and return updated ingredient rows."""
+    mi = db.scalar(select(MealIngredient).where(MealIngredient.meal_id == meal_id, MealIngredient.item_id == item_id))
+    if mi:
+        db.delete(mi)
+        db.commit()
+    meal = _load_meal(db, meal_id)
+    return templates.TemplateResponse(request, "partials/ingredient_rows.html", {"meal": meal})
+
+
+# --- Availability ---
+
+
+@router.get("/availability", response_class=HTMLResponse)
+def availability_page(request: Request, db: DbSession) -> HTMLResponse:
+    """Render the meal availability page."""
+    meals = list(
+        db.scalars(select(Meal).options(selectinload(Meal.ingredients).selectinload(MealIngredient.item))).all()
+    )
+    availability = [_check_meal(m) for m in meals]
+    return templates.TemplateResponse(request, "availability.html", {"availability": availability})

python/van_inventory/static/style.css

@@ -0,0 +1,212 @@
+:root {
+    --neon-pink: #ff2a6d;
+    --neon-cyan: #05d9e8;
+    --neon-yellow: #f9f002;
+    --neon-purple: #d300c5;
+    --bg-dark: #0a0a0f;
+    --bg-panel: #0d0d1a;
+    --bg-input: #111128;
+    --border: #1a1a3e;
+    --text: #c0c0d0;
+    --text-dim: #8e8ea0;
+}
+
+* { box-sizing: border-box; margin: 0; padding: 0; }
+
+body {
+    font-family: 'Share Tech Mono', monospace;
+    max-width: 900px;
+    margin: 0 auto;
+    padding: 1rem;
+    background: var(--bg-dark);
+    color: var(--text);
+    position: relative;
+}
+
+/* Scanline overlay */
+body::before {
+    content: '';
+    position: fixed;
+    top: 0; left: 0; right: 0; bottom: 0;
+    background: repeating-linear-gradient(
+        0deg,
+        transparent,
+        transparent 2px,
+        rgba(0, 0, 0, 0.08) 2px,
+        rgba(0, 0, 0, 0.08) 4px
+    );
+    pointer-events: none;
+    z-index: 9999;
+}
+
+h1, h2, h3 {
+    font-family: 'Orbitron', sans-serif;
+    margin-bottom: 0.5rem;
+    color: var(--neon-cyan);
+    text-shadow: 0 0 10px rgba(5, 217, 232, 0.5), 0 0 40px rgba(5, 217, 232, 0.2);
+    text-transform: uppercase;
+    letter-spacing: 2px;
+}
+
+a { color: var(--neon-pink); text-decoration: none; transition: all 0.2s; }
+a:hover {
+    text-shadow: 0 0 8px rgba(255, 42, 109, 0.8), 0 0 20px rgba(255, 42, 109, 0.4);
+}
+
+nav {
+    display: flex;
+    gap: 1.5rem;
+    padding: 1rem 0;
+    border-bottom: 1px solid var(--border);
+    margin-bottom: 1.5rem;
+    position: relative;
+}
+nav::after {
+    content: '';
+    position: absolute;
+    bottom: -1px;
+    left: 0;
+    right: 0;
+    height: 1px;
+    background: linear-gradient(90deg, var(--neon-pink), var(--neon-cyan), var(--neon-purple));
+    opacity: 0.6;
+}
+nav a {
+    font-family: 'Orbitron', sans-serif;
+    font-weight: 700;
+    font-size: 0.85rem;
+    letter-spacing: 1px;
+    text-transform: uppercase;
+    padding: 0.3rem 0;
+    border-bottom: 2px solid transparent;
+    transition: all 0.2s;
+}
+nav a:hover {
+    border-bottom-color: var(--neon-pink);
+    text-shadow: 0 0 8px rgba(255, 42, 109, 0.8);
+}
+
+table {
+    width: 100%;
+    border-collapse: collapse;
+    margin: 1rem 0;
+    border: 1px solid var(--border);
+}
+th, td {
+    text-align: left;
+    padding: 0.6rem 0.75rem;
+    border-bottom: 1px solid var(--border);
+}
+th {
+    font-family: 'Orbitron', sans-serif;
+    color: var(--neon-cyan);
+    font-size: 0.7rem;
+    text-transform: uppercase;
+    letter-spacing: 2px;
+    background: var(--bg-panel);
+    border-bottom: 1px solid var(--neon-cyan);
+    text-shadow: 0 0 6px rgba(5, 217, 232, 0.3);
+}
+tr:hover td {
+    background: rgba(5, 217, 232, 0.03);
+}
+
+form {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 0.5rem;
+    align-items: end;
+    margin: 1rem 0;
+    padding: 1rem;
+    border: 1px solid var(--border);
+    background: var(--bg-panel);
+}
+
+input, select {
+    padding: 0.5rem 0.6rem;
+    border: 1px solid var(--border);
+    border-radius: 2px;
+    background: var(--bg-input);
+    color: var(--neon-cyan);
+    font-family: 'Share Tech Mono', monospace;
+    transition: all 0.2s;
+}
+input:focus, select:focus {
+    outline: none;
+    border-color: var(--neon-cyan);
+    box-shadow: 0 0 8px rgba(5, 217, 232, 0.3), inset 0 0 8px rgba(5, 217, 232, 0.05);
+}
+
+button {
+    padding: 0.5rem 1.2rem;
+    border: 1px solid var(--neon-pink);
+    border-radius: 2px;
+    background: transparent;
+    color: var(--neon-pink);
+    cursor: pointer;
+    font-family: 'Orbitron', sans-serif;
+    font-weight: 700;
+    font-size: 0.7rem;
+    letter-spacing: 1px;
+    text-transform: uppercase;
+    transition: all 0.2s;
+}
+button:hover {
+    background: var(--neon-pink);
+    color: var(--bg-dark);
+    box-shadow: 0 0 15px rgba(255, 42, 109, 0.5), 0 0 30px rgba(255, 42, 109, 0.2);
+}
+button.danger {
+    border-color: var(--text-dim);
+    color: var(--text-dim);
+}
+button.danger:hover {
+    border-color: var(--neon-pink);
+    background: var(--neon-pink);
+    color: var(--bg-dark);
+    box-shadow: 0 0 15px rgba(255, 42, 109, 0.5);
+}
+
+.badge {
+    display: inline-block;
+    padding: 0.2rem 0.6rem;
+    border-radius: 2px;
+    font-family: 'Orbitron', sans-serif;
+    font-size: 0.65rem;
+    font-weight: 700;
+    letter-spacing: 1px;
+    text-transform: uppercase;
+}
+.badge.yes {
+    background: rgba(5, 217, 232, 0.1);
+    color: var(--neon-cyan);
+    border: 1px solid var(--neon-cyan);
+    text-shadow: 0 0 6px rgba(5, 217, 232, 0.5);
+}
+.badge.no {
+    background: rgba(255, 42, 109, 0.1);
+    color: var(--neon-pink);
+    border: 1px solid var(--neon-pink);
+    text-shadow: 0 0 6px rgba(255, 42, 109, 0.5);
+}
+
+.missing-list { font-size: 0.85rem; color: var(--text-dim); }
+
+label {
+    font-size: 0.75rem;
+    color: var(--text-dim);
+    display: flex;
+    flex-direction: column;
+    gap: 0.2rem;
+    text-transform: uppercase;
+    letter-spacing: 1px;
+}
+
+.flash {
+    padding: 0.5rem 1rem;
+    margin: 0.5rem 0;
+    border-radius: 2px;
+    background: rgba(5, 217, 232, 0.1);
+    color: var(--neon-cyan);
+    border: 1px solid var(--neon-cyan);
+}

python/van_inventory/templates/availability.html

@@ -0,0 +1,30 @@
+{% extends "base.html" %}
+{% block title %}What Can I Make? - Van{% endblock %}
+{% block content %}
+<h1>What Can I Make?</h1>
+
+<table>
+    <thead>
+        <tr><th>Meal</th><th>Status</th><th>Missing</th></tr>
+    </thead>
+    <tbody>
+    {% for meal in availability %}
+        <tr>
+            <td><a href="/meals/{{ meal.meal_id }}">{{ meal.meal_name }}</a></td>
+            <td>
+                {% if meal.can_make %}
+                    <span class="badge yes">Ready</span>
+                {% else %}
+                    <span class="badge no">Missing items</span>
+                {% endif %}
+            </td>
+            <td class="missing-list">
+                {% for m in meal.missing %}
+                    {{ m.item_name }}: need {{ m.short }} more {{ m.unit }}{% if not loop.last %}, {% endif %}
+                {% endfor %}
+            </td>
+        </tr>
+    {% endfor %}
+    </tbody>
+</table>
+{% endblock %}

python/van_inventory/templates/base.html

@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>{% block title %}Van Inventory{% endblock %}</title>
+    <script src="https://unpkg.com/htmx.org@2.0.4"></script>
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link href="https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Share+Tech+Mono&display=swap" rel="stylesheet">
+    <link rel="stylesheet" href="/static/style.css">
+</head>
+<body>
+    <nav>
+        <a href="/">Inventory</a>
+        <a href="/meals">Meals</a>
+        <a href="/availability">What Can I Make?</a>
+    </nav>
+    {% block content %}{% endblock %}
+</body>
+</html>

python/van_inventory/templates/items.html

@@ -0,0 +1,17 @@
+{% extends "base.html" %}
+{% block title %}Inventory - Van{% endblock %}
+{% block content %}
+<h1>Van Inventory</h1>
+
+<form hx-post="/items" hx-target="#item-list" hx-swap="innerHTML" hx-on::after-request="if(event.detail.successful) this.reset()">
+    <label>Name <input type="text" name="name" required></label>
+    <label>Qty <input type="number" name="quantity" step="any" value="0" min="0" required></label>
+    <label>Unit <input type="text" name="unit" required placeholder="lbs, cans, etc"></label>
+    <label>Category <input type="text" name="category" placeholder="optional"></label>
+    <button type="submit">Add Item</button>
+</form>
+
+<div id="item-list">
+    {% include "partials/item_rows.html" %}
+</div>
+{% endblock %}

python/van_inventory/templates/meal_detail.html

@@ -0,0 +1,24 @@
+{% extends "base.html" %}
+{% block title %}{{ meal.name }} - Van{% endblock %}
+{% block content %}
+<h1>{{ meal.name }}</h1>
+{% if meal.instructions %}<p>{{ meal.instructions }}</p>{% endif %}
+
+<h2>Ingredients</h2>
+<form hx-post="/meals/{{ meal.id }}/ingredients" hx-target="#ingredient-list" hx-swap="innerHTML" hx-on::after-request="if(event.detail.successful) this.reset()">
+    <label>Item
+        <select name="item_id" required>
+            <option value="">--</option>
+            {% for item in items %}
+            <option value="{{ item.id }}">{{ item.name }} ({{ item.unit }})</option>
+            {% endfor %}
+        </select>
+    </label>
+    <label>Qty needed <input type="number" name="quantity_needed" step="any" min="0.01" required></label>
+    <button type="submit">Add</button>
+</form>
+
+<div id="ingredient-list">
+    {% include "partials/ingredient_rows.html" %}
+</div>
+{% endblock %}

python/van_inventory/templates/meals.html

@@ -0,0 +1,15 @@
+{% extends "base.html" %}
+{% block title %}Meals - Van{% endblock %}
+{% block content %}
+<h1>Meals</h1>
+
+<form hx-post="/meals" hx-target="#meal-list" hx-swap="innerHTML" hx-on::after-request="if(event.detail.successful) this.reset()">
+    <label>Name <input type="text" name="name" required></label>
+    <label>Instructions <input type="text" name="instructions" placeholder="optional"></label>
+    <button type="submit">Add Meal</button>
+</form>
+
+<div id="meal-list">
+    {% include "partials/meal_rows.html" %}
+</div>
+{% endblock %}

python/van_inventory/templates/partials/ingredient_rows.html

@@ -0,0 +1,16 @@
+<table>
+    <thead>
+        <tr><th>Item</th><th>Needed</th><th>Have</th><th>Unit</th><th></th></tr>
+    </thead>
+    <tbody>
+    {% for mi in meal.ingredients %}
+        <tr>
+            <td>{{ mi.item.name }}</td>
+            <td>{{ mi.quantity_needed }}</td>
+            <td>{{ mi.item.quantity }}</td>
+            <td>{{ mi.item.unit }}</td>
+            <td><button class="danger" hx-delete="/meals/{{ meal.id }}/ingredients/{{ mi.item_id }}" hx-target="#ingredient-list" hx-swap="innerHTML" hx-confirm="Remove {{ mi.item.name }}?">X</button></td>
+        </tr>
+    {% endfor %}
+    </tbody>
+</table>

python/van_inventory/templates/partials/item_rows.html

@@ -0,0 +1,21 @@
+<table>
+    <thead>
+        <tr><th>Name</th><th>Qty</th><th>Unit</th><th>Category</th><th></th></tr>
+    </thead>
+    <tbody>
+    {% for item in items %}
+        <tr>
+            <td>{{ item.name }}</td>
+            <td>
+                <form hx-patch="/items/{{ item.id }}" hx-target="#item-list" hx-swap="innerHTML" style="display:inline; margin:0;">
+                    <input type="number" name="quantity" value="{{ item.quantity }}" step="any" min="0" style="width:5rem">
+                    <button type="submit" style="padding:0.2rem 0.5rem; font-size:0.8rem;">Update</button>
+                </form>
+            </td>
+            <td>{{ item.unit }}</td>
+            <td>{{ item.category or "" }}</td>
+            <td><button class="danger" hx-delete="/items/{{ item.id }}" hx-target="#item-list" hx-swap="innerHTML" hx-confirm="Delete {{ item.name }}?">X</button></td>
+        </tr>
+    {% endfor %}
+    </tbody>
+</table>

python/van_inventory/templates/partials/meal_rows.html

@@ -0,0 +1,15 @@
+<table>
+    <thead>
+        <tr><th>Name</th><th>Ingredients</th><th>Instructions</th><th></th></tr>
+    </thead>
+    <tbody>
+    {% for meal in meals %}
+        <tr>
+            <td><a href="/meals/{{ meal.id }}">{{ meal.name }}</a></td>
+            <td>{{ meal.ingredients | length }}</td>
+            <td>{{ (meal.instructions or "")[:50] }}</td>
+            <td><button class="danger" hx-delete="/meals/{{ meal.id }}" hx-target="#meal-list" hx-swap="innerHTML" hx-confirm="Delete {{ meal.name }}?">X</button></td>
+        </tr>
+    {% endfor %}
+    </tbody>
+</table>

python/van_weather/main.py

@@ -257,7 +257,7 @@ def update_weather(config: Config) -> None:
 
     logger.info(f"Masked location: {masked_lat}, {masked_lon}")
 
-    weather = fetch_weather(config.pirate_weather_api_key, masked_lat, masked_lon)
+    weather = fetch_weather(config.pirate_weather_api_key, lat, lon)
     logger.info(f"Weather: {weather.temperature}°F, {weather.condition}")
 
     post_to_ha(config.ha_url, config.ha_token, weather)

python/van_weather/models.py

@@ -1,8 +1,6 @@
 """Models for van weather service."""
 
-from __future__ import annotations
-
-from datetime import datetime  # noqa: TC003 This is required for pydantic
+from datetime import datetime
 
 from pydantic import BaseModel, field_serializer
 

python/zfs/dataset.py

@@ -108,7 +108,7 @@ class Dataset:
         self.written = int(properties["written"]["value"])
         self.xattr = properties["xattr"]["value"]
 
-    def get_snapshots(self) -> list[Snapshot]:
+    def get_snapshots(self) -> list[Snapshot] | None:
         """Get all snapshots from zfs and process then is test dicts of sets."""
         snapshots_data = _zfs_list(f"zfs list -t snapshot -pHj {self.name} -o all")
 
@@ -125,7 +125,7 @@ class Dataset:
         if return_code == 0:
             return "snapshot created"
 
-        snapshots = self.get_snapshots()
+        if snapshots := self.get_snapshots():
             snapshot_names = {snapshot.name for snapshot in snapshots}
             if snapshot_name in snapshot_names:
                 return f"Snapshot {snapshot_name} already exists for {self.name}"

systems/brain/services/van_inventory.nix

@@ -0,0 +1,50 @@
+{
+  pkgs,
+  inputs,
+  ...
+}:
+{
+  networking.firewall.allowedTCPPorts = [ 8001 ];
+
+  users = {
+    users.vaninventory = {
+      isSystemUser = true;
+      group = "vaninventory";
+    };
+    groups.vaninventory = { };
+  };
+
+  systemd.services.van_inventory = {
+    description = "Van Inventory API";
+    after = [
+      "network.target"
+      "postgresql.service"
+    ];
+    requires = [ "postgresql.service" ];
+    wantedBy = [ "multi-user.target" ];
+
+    environment = {
+      PYTHONPATH = "${inputs.self}/";
+      VAN_INVENTORY_DB = "vaninventory";
+      VAN_INVENTORY_USER = "vaninventory";
+      VAN_INVENTORY_HOST = "/run/postgresql";
+      VAN_INVENTORY_PORT = "5432";
+    };
+
+    serviceConfig = {
+      Type = "simple";
+      User = "vaninventory";
+      Group = "vaninventory";
+      ExecStart = "${pkgs.my_python}/bin/python -m python.van_inventory.main --host 0.0.0.0 --port 8001";
+      Restart = "on-failure";
+      RestartSec = "5s";
+      StandardOutput = "journal";
+      StandardError = "journal";
+      NoNewPrivileges = true;
+      ProtectSystem = "strict";
+      ProtectHome = "read-only";
+      PrivateTmp = true;
+      ReadOnlyPaths = [ "${inputs.self}" ];
+    };
+  };
+}

tests/test_ebook_search_core.py

@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 import logging
+from dataclasses import replace
 from datetime import UTC, datetime
 from os import environ
 from pathlib import Path
@@ -527,7 +528,7 @@ def test_chat_api_key_falls_back_to_ollama_api_key(monkeypatch) -> None:
 
 
 def test_answer_query_does_not_call_model_when_disabled() -> None:
-    config = load_config().model_copy(update={"answer_enabled": False})
+    config = replace(load_config(), answer_enabled=False)
     result = SearchResult(chunk_id=1, text="source text", source_title="Book")
 
     answer = answer_query("question", [result], config)

tests/test_ebook_search_guardrails.py

@@ -1,141 +0,0 @@
-"""Tests for serve-time output guardrails."""
-
-from __future__ import annotations
-
-from fastapi.testclient import TestClient
-from sqlalchemy import create_engine
-
-from python.ebook_search.api.main import create_app
-from python.ebook_search.config import EbookSearchConfig, RerankConfig
-from python.ebook_search.guardrails import is_confident, retrieval_confidence, validate_citations
-from python.ebook_search.search import SearchResponse, SearchResult
-
-
-def make_results(count, *, vector_score=0.8):
-    return [
-        SearchResult(
-            chunk_id=index,
-            text=f"source text {index}",
-            source_title="Book",
-            score=vector_score,
-            vector_score=vector_score,
-        )
-        for index in range(1, count + 1)
-    ]
-
-
-def test_validate_citations_partitions_markers() -> None:
-    report = validate_citations("Supported by [1] and [2].", result_count=3)
-    assert report.cited == (1, 2)
-    assert report.invalid == ()
-    assert report.grounded is True
-
-
-def test_validate_citations_flags_out_of_range_marker() -> None:
-    report = validate_citations("As shown in [5].", result_count=2)
-    assert report.cited == ()
-    assert report.invalid == (5,)
-    assert report.grounded is False
-
-
-def test_validate_citations_uncited_answer_is_not_grounded() -> None:
-    report = validate_citations("No citations at all.", result_count=2)
-    assert report.cited == ()
-    assert report.invalid == ()
-    assert report.grounded is False
-
-
-def test_retrieval_confidence_prefers_rerank_then_vector() -> None:
-    assert retrieval_confidence([]) == 0.0
-    rerank_top = [SearchResult(chunk_id=1, text="t", source_title="B", rerank_score=0.7, vector_score=0.2)]
-    assert retrieval_confidence(rerank_top) == 0.7
-    vector_top = [SearchResult(chunk_id=1, text="t", source_title="B", vector_score=0.5)]
-    assert retrieval_confidence(vector_top) == 0.5
-
-
-def test_is_confident_against_threshold() -> None:
-    config = EbookSearchConfig(rerank=RerankConfig(enabled=False), min_retrieval_confidence=0.5)
-    assert is_confident(make_results(1, vector_score=0.6), config) is True
-    assert is_confident(make_results(1, vector_score=0.4), config) is False
-
-
-def patch_app_runtime(monkeypatch):
-    monkeypatch.setattr(
-        "python.ebook_search.api.main.get_postgres_engine",
-        lambda **_kwargs: create_engine("sqlite+pysqlite:///:memory:", future=True),
-    )
-    monkeypatch.setattr("python.ebook_search.api.main.ensure_bm25_corpus", lambda _session, _config: None)
-
-
-def test_low_confidence_skips_answer_generation(monkeypatch) -> None:
-    called = False
-
-    def fake_search_ebooks(_engine, query, _config, *, rerank=False):
-        del rerank
-        return SearchResponse(query=query, rank_label="Hybrid", results=make_results(1, vector_score=0.05))
-
-    def fake_answer_query(_query, _results, _config):
-        nonlocal called
-        called = True
-        return "answer"
-
-    monkeypatch.setattr("python.ebook_search.api.routes.search.search_ebooks", fake_search_ebooks)
-    monkeypatch.setattr("python.ebook_search.api.routes.search.answer_query", fake_answer_query)
-    patch_app_runtime(monkeypatch)
-    app = create_app()
-    app.state.config = EbookSearchConfig(
-        rerank=RerankConfig(enabled=False),
-        answer_enabled=True,
-        min_retrieval_confidence=0.5,
-    )
-
-    with TestClient(app) as client:
-        response = client.post("/search", data={"query": "q"})
-
-    assert response.status_code == 200
-    assert called is False
-    assert "Low retrieval confidence" in response.text
-
-
-def test_invalid_citation_is_flagged(monkeypatch) -> None:
-    def fake_search_ebooks(_engine, query, _config, *, rerank=False):
-        del rerank
-        return SearchResponse(query=query, rank_label="Hybrid", results=make_results(2, vector_score=0.9))
-
-    monkeypatch.setattr("python.ebook_search.api.routes.search.search_ebooks", fake_search_ebooks)
-    monkeypatch.setattr(
-        "python.ebook_search.api.routes.search.answer_query",
-        lambda _query, _results, _config: "Per the text [9].",
-    )
-    patch_app_runtime(monkeypatch)
-    app = create_app()
-    app.state.config = EbookSearchConfig(rerank=RerankConfig(enabled=False), answer_enabled=True)
-
-    with TestClient(app) as client:
-        response = client.post("/search", data={"query": "q"})
-
-    assert response.status_code == 200
-    assert "Invalid citations" in response.text
-    assert "9" in response.text
-
-
-def test_grounded_answer_has_no_warning_badge(monkeypatch) -> None:
-    def fake_search_ebooks(_engine, query, _config, *, rerank=False):
-        del rerank
-        return SearchResponse(query=query, rank_label="Hybrid", results=make_results(2, vector_score=0.9))
-
-    monkeypatch.setattr("python.ebook_search.api.routes.search.search_ebooks", fake_search_ebooks)
-    monkeypatch.setattr(
-        "python.ebook_search.api.routes.search.answer_query",
-        lambda _query, _results, _config: "Grounded in [1] and [2].",
-    )
-    patch_app_runtime(monkeypatch)
-    app = create_app()
-    app.state.config = EbookSearchConfig(rerank=RerankConfig(enabled=False), answer_enabled=True)
-
-    with TestClient(app) as client:
-        response = client.post("/search", data={"query": "q"})
-
-    assert response.status_code == 200
-    assert "Unverified" not in response.text
-    assert "Invalid citations" not in response.text

tests/test_ebook_search_health.py

@@ -1,116 +0,0 @@
-"""Tests for EPUB search health and readiness routes."""
-
-from __future__ import annotations
-
-from fastapi.testclient import TestClient
-from sqlalchemy import create_engine
-
-from python.ebook_search.api.main import create_app
-from python.ebook_search.config import EbookSearchConfig, RerankConfig
-
-HEALTH_MODULE = "python.ebook_search.api.routes.health"
-
-
-def fake_get_postgres_engine(**_kwargs):
-    """Return an in-memory engine for route tests."""
-    return create_engine("sqlite+pysqlite:///:memory:", future=True)
-
-
-def patch_app_runtime(monkeypatch):
-    monkeypatch.setattr("python.ebook_search.api.main.get_postgres_engine", fake_get_postgres_engine)
-    monkeypatch.setattr("python.ebook_search.api.main.ensure_bm25_corpus", lambda _session, _config: None)
-
-
-def patch_dependencies(monkeypatch, *, database=True, embedding=True, chat=True, bm25="ok"):
-    monkeypatch.setattr(f"{HEALTH_MODULE}.check_database", lambda _session: database)
-    monkeypatch.setattr(f"{HEALTH_MODULE}.check_embedding_endpoint", lambda _config: embedding)
-    monkeypatch.setattr(f"{HEALTH_MODULE}.check_chat_endpoint", lambda _config: chat)
-    monkeypatch.setattr(f"{HEALTH_MODULE}.check_bm25_status", lambda _config: bm25)
-
-
-def build_client(monkeypatch, config=None):
-    patch_app_runtime(monkeypatch)
-    app = create_app()
-    app.state.config = config or EbookSearchConfig(rerank=RerankConfig(enabled=False))
-    return TestClient(app)
-
-
-def test_health_returns_ok(monkeypatch) -> None:
-    with build_client(monkeypatch) as client:
-        response = client.get("/health")
-
-    assert response.status_code == 200
-    assert response.json() == {"status": "ok"}
-
-
-def test_ready_all_dependencies_ok(monkeypatch) -> None:
-    patch_dependencies(monkeypatch)
-
-    with build_client(monkeypatch) as client:
-        response = client.get("/ready")
-
-    assert response.status_code == 200
-    body = response.json()
-    assert body["status"] == "ready"
-    assert body["checks"] == {"database": "ok", "embedding": "ok", "chat": "ok", "bm25": "ok"}
-
-
-def test_ready_embedding_down_is_degraded(monkeypatch) -> None:
-    patch_dependencies(monkeypatch, embedding=False)
-
-    with build_client(monkeypatch) as client:
-        response = client.get("/ready")
-
-    assert response.status_code == 200
-    body = response.json()
-    assert body["status"] == "degraded"
-    assert body["checks"]["embedding"] == "fail"
-
-
-def test_ready_chat_down_is_degraded(monkeypatch) -> None:
-    patch_dependencies(monkeypatch, chat=False)
-
-    with build_client(monkeypatch) as client:
-        response = client.get("/ready")
-
-    assert response.status_code == 200
-    body = response.json()
-    assert body["status"] == "degraded"
-    assert body["checks"]["chat"] == "fail"
-
-
-def test_ready_chat_disabled_when_answers_off(monkeypatch) -> None:
-    patch_dependencies(monkeypatch)
-    config = EbookSearchConfig(rerank=RerankConfig(enabled=False), answer_enabled=False)
-
-    with build_client(monkeypatch, config) as client:
-        response = client.get("/ready")
-
-    assert response.status_code == 200
-    body = response.json()
-    assert body["status"] == "ready"
-    assert body["checks"]["chat"] == "disabled"
-
-
-def test_ready_database_down_is_unavailable(monkeypatch) -> None:
-    patch_dependencies(monkeypatch, database=False)
-
-    with build_client(monkeypatch) as client:
-        response = client.get("/ready")
-
-    assert response.status_code == 503
-    body = response.json()
-    assert body["status"] == "unavailable"
-    assert body["checks"]["database"] == "fail"
-
-
-def test_ready_bm25_missing_is_degraded(monkeypatch) -> None:
-    patch_dependencies(monkeypatch, bm25="missing")
-
-    with build_client(monkeypatch) as client:
-        response = client.get("/ready")
-
-    assert response.status_code == 200
-    body = response.json()
-    assert body["status"] == "degraded"
-    assert body["checks"]["bm25"] == "missing"

tests/test_parallelize.py

@@ -19,7 +19,7 @@ if TYPE_CHECKING:
 class MockFuture(Future):
     """MockFuture."""
 
-    def __init__(self, result: Any) -> None:
+    def __init__(self, result: Any) -> None:  # noqa: ANN401
         """Init."""
         super().__init__()
         self._result = result
@@ -31,7 +31,7 @@ class MockFuture(Future):
         logging.debug(f"{timeout}=")
         return self._exception
 
-    def result(self, timeout: float | None = None) -> Any:
+    def result(self, timeout: float | None = None) -> Any:  # noqa: ANN401
         """Result."""
         logging.debug(f"{timeout}=")
         return self._result
@@ -40,11 +40,11 @@ class MockFuture(Future):
 class MockPoolExecutor(ThreadPoolExecutor):
     """MockPoolExecutor."""
 
-    def __init__(self, *args: Any, **kwargs: Any) -> None:
+    def __init__(self, *args: Any, **kwargs: Any) -> None:  # noqa: ANN401
         """Initializes a new ThreadPoolExecutor instance."""
         super().__init__(*args, **kwargs)
 
-    def submit(self, fn: Callable[..., Any], /, *args: Any, **kwargs: Any) -> Future:
+    def submit(self, fn: Callable[..., Any], /, *args: Any, **kwargs: Any) -> Future:  # noqa: ANN401
         """Submits a callable to be executed with the given arguments.
 
         Args:

tests/test_server_validate_scripts.py

@@ -21,7 +21,7 @@ def test_validate_system(mocker: MockerFixture, fs: FakeFilesystem) -> None:
     """test_validate_system."""
     fs.create_file(
         "/mock_snapshot_config.toml",
-        contents='zpools = ["root_pool", "storage", "media"]\nservices = ["docker"]\n',
+        contents='zpool = ["root_pool", "storage", "media"]\nservices = ["docker"]\n',
     )
 
     mocker.patch(f"{VALIDATE_SYSTEM}.systemd_tests", return_value=None)
@@ -33,10 +33,9 @@ def test_validate_system_errors(mocker: MockerFixture, fs: FakeFilesystem) -> No
     """test_validate_system_errors."""
     fs.create_file(
         "/mock_snapshot_config.toml",
-        contents='zpools = ["root_pool", "storage", "media"]\nservices = ["docker"]\n',
+        contents='zpool = ["root_pool", "storage", "media"]\nservices = ["docker"]\n',
     )
 
-    mocker.patch(f"{VALIDATE_SYSTEM}.signal_alert")
     mocker.patch(f"{VALIDATE_SYSTEM}.systemd_tests", return_value=["systemd_tests error"])
     mocker.patch(f"{VALIDATE_SYSTEM}.zpool_tests", return_value=["zpool_tests error"])
 
@@ -50,11 +49,9 @@ def test_validate_system_execution(mocker: MockerFixture, fs: FakeFilesystem) ->
     """test_validate_system_execution."""
     fs.create_file(
         "/mock_snapshot_config.toml",
-        contents='zpools = ["root_pool", "storage", "media"]\nservices = ["docker"]\n',
+        contents='zpool = ["root_pool", "storage", "media"]\nservices = ["docker"]\n',
     )
 
-    mocker.patch(f"{VALIDATE_SYSTEM}.signal_alert")
-    mocker.patch(f"{VALIDATE_SYSTEM}.systemd_tests", return_value=None)
     mocker.patch(f"{VALIDATE_SYSTEM}.zpool_tests", side_effect=RuntimeError("zpool_tests error"))
 
     with pytest.raises(SystemExit) as exception_info:

users/richie/home/gui/vscode/settings.json

@@ -80,7 +80,6 @@
     "fastapi",
     "Michal",
     "Nornsight",
-    "pydantic",
     "sandboxing",
     "syncthing",
   ],