added congress data to database

overlays/default.nix

@@ -24,6 +24,7 @@
         fastapi
         fastapi-cli
         httpx
+        python-multipart
         mypy
         polars
         psycopg

pyproject.toml

@@ -7,7 +7,25 @@ requires-python = "~=3.13.0"
 readme = "README.md"
 license = "MIT"
 # these dependencies are a best effort and aren't guaranteed to work
-dependencies = ["apprise", "apscheduler", "httpx", "polars", "pydantic", "pyyaml", "requests", "typer"]
+# for up-to-date dependencies, see overlays/default.nix
+dependencies = [
+    "alembic",
+    "apprise",
+    "apscheduler",
+    "httpx",
+    "python-multipart",
+    "polars",
+    "psycopg[binary]",
+    "pydantic",
+    "pyyaml",
+    "requests",
+    "sqlalchemy",
+    "typer",
+]
+
+[project.scripts]
+database = "python.database_cli:app"
+van-inventory = "python.van_inventory.main:serve"
 
 [dependency-groups]
 dev = [

python/alembic.ini

@@ -1,109 +0,0 @@
-# A generic, single database configuration.
-
-[alembic]
-# path to migration scripts
-# Use forward slashes (/) also on windows to provide an os agnostic path
-script_location = python/alembic
-
-# template used to generate migration file names; The default value is %%(rev)s_%%(slug)s
-# Uncomment the line below if you want the files to be prepended with date and time
-# see https://alembic.sqlalchemy.org/en/latest/tutorial.html#editing-the-ini-file
-# for all available tokens
-file_template = %%(year)d_%%(month).2d_%%(day).2d-%%(slug)s_%%(rev)s
-
-# sys.path path, will be prepended to sys.path if present.
-# defaults to the current working directory.
-prepend_sys_path = .
-
-# timezone to use when rendering the date within the migration file
-# as well as the filename.
-# If specified, requires the python>=3.9 or backports.zoneinfo library and tzdata library.
-# Any required deps can installed by adding `alembic[tz]` to the pip requirements
-# string value is passed to ZoneInfo()
-# leave blank for localtime
-# timezone =
-
-# max length of characters to apply to the "slug" field
-# truncate_slug_length = 40
-
-# set to 'true' to run the environment during
-# the 'revision' command, regardless of autogenerate
-# revision_environment = false
-
-# set to 'true' to allow .pyc and .pyo files without
-# a source .py file to be detected as revisions in the
-# versions/ directory
-# sourceless = false
-
-# version location specification; This defaults
-# to alembic/versions.  When using multiple version
-# directories, initial revisions must be specified with --version-path.
-# The path separator used here should be the separator specified by "version_path_separator" below.
-# version_locations = %(here)s/bar:%(here)s/bat:alembic/versions
-
-# version path separator; As mentioned above, this is the character used to split
-# version_locations. The default within new alembic.ini files is "os", which uses os.pathsep.
-# If this key is omitted entirely, it falls back to the legacy behavior of splitting on spaces and/or commas.
-# Valid values for version_path_separator are:
-#
-# version_path_separator = :
-# version_path_separator = ;
-# version_path_separator = space
-# version_path_separator = newline
-#
-# Use os.pathsep. Default configuration used for new projects.
-version_path_separator = os
-
-# set to 'true' to search source files recursively
-# in each "version_locations" directory
-# new in Alembic version 1.10
-# recursive_version_locations = false
-
-# the output encoding used when revision files
-# are written from script.py.mako
-# output_encoding = utf-8
-
-sqlalchemy.url = driver://user:pass@localhost/dbname
-
-revision_environment = true
-
-[post_write_hooks]
-
-hooks = dynamic_schema,ruff
-dynamic_schema.type = dynamic_schema
-
-ruff.type = ruff
-
-[loggers]
-keys = root,sqlalchemy,alembic
-
-[handlers]
-keys = console
-
-[formatters]
-keys = generic
-
-[logger_root]
-level = WARNING
-handlers = console
-qualname =
-
-[logger_sqlalchemy]
-level = WARNING
-handlers =
-qualname = sqlalchemy.engine
-
-[logger_alembic]
-level = INFO
-handlers =
-qualname = alembic
-
-[handler_console]
-class = StreamHandler
-args = (sys.stderr,)
-level = NOTSET
-formatter = generic
-
-[formatter_generic]
-format = %(levelname)-5.5s [%(name)s] %(message)s
-datefmt = %H:%M:%S

python/alembic/env.py

@@ -9,20 +9,24 @@ from typing import TYPE_CHECKING, Any, Literal
 
 from alembic import context
 from alembic.script import write_hooks
+from sqlalchemy.schema import CreateSchema
 
 from python.common import bash_wrapper
-from python.orm import RichieBase
+from python.orm.common import get_postgres_engine
-from python.orm.base import get_postgres_engine
 
 if TYPE_CHECKING:
     from collections.abc import MutableMapping
 
-# this is the Alembic Config object, which provides
+    from sqlalchemy.orm import DeclarativeBase
-# access to the values within the .ini file in use.
+
 config = context.config
 
+base_class: type[DeclarativeBase] = config.attributes.get("base")
+if base_class is None:
+    error = "No base class provided. Use the database CLI to run alembic commands."
+    raise RuntimeError(error)
 
-target_metadata = RichieBase.metadata
+target_metadata = base_class.metadata
 logging.basicConfig(
     level="DEBUG",
     datefmt="%Y-%m-%dT%H:%M:%S%z",
@@ -35,8 +39,9 @@ logging.basicConfig(
 def dynamic_schema(filename: str, _options: dict[Any, Any]) -> None:
     """Dynamic schema."""
     original_file = Path(filename).read_text()
-    dynamic_schema_file_part1 = original_file.replace(f"schema='{RichieBase.schema_name}'", "schema=schema")
+    schema_name = base_class.schema_name
-    dynamic_schema_file = dynamic_schema_file_part1.replace(f"'{RichieBase.schema_name}.", "f'{schema}.")
+    dynamic_schema_file_part1 = original_file.replace(f"schema='{schema_name}'", "schema=schema")
+    dynamic_schema_file = dynamic_schema_file_part1.replace(f"'{schema_name}.", "f'{schema}.")
     Path(filename).write_text(dynamic_schema_file)
 
 
@@ -52,12 +57,12 @@ def include_name(
     type_: Literal["schema", "table", "column", "index", "unique_constraint", "foreign_key_constraint"],
     _parent_names: MutableMapping[Literal["schema_name", "table_name", "schema_qualified_table_name"], str | None],
 ) -> bool:
-    """This filter table to be included in the migration.
+    """Filter tables to be included in the migration.
 
     Args:
         name (str): The name of the table.
         type_ (str): The type of the table.
-        parent_names (list[str]): The names of the parent tables.
+        _parent_names (MutableMapping): The names of the parent tables.
 
     Returns:
         bool: True if the table should be included, False otherwise.
@@ -75,19 +80,30 @@ def run_migrations_online() -> None:
     and associate a connection with the context.
 
     """
-    connectable = get_postgres_engine()
+    env_prefix = config.attributes.get("env_prefix", "POSTGRES")
+    connectable = get_postgres_engine(name=env_prefix)
 
     with connectable.connect() as connection:
+        schema = base_class.schema_name
+        if not connectable.dialect.has_schema(connection, schema):
+            answer = input(f"Schema {schema!r} does not exist. Create it? [y/N] ")
+            if answer.lower() != "y":
+                error = f"Schema {schema!r} does not exist. Exiting."
+                raise SystemExit(error)
+            connection.execute(CreateSchema(schema))
+            connection.commit()
+
         context.configure(
             connection=connection,
             target_metadata=target_metadata,
             include_schemas=True,
-            version_table_schema=RichieBase.schema_name,
+            version_table_schema=schema,
             include_name=include_name,
         )
 
         with context.begin_transaction():
             context.run_migrations()
+        connection.commit()
 
 
 run_migrations_online()

python/alembic/richie/versions/2026_02_12-add_congress_tracker_tables_3f71565e38de.py

@@ -0,0 +1,135 @@
+"""add congress tracker tables.
+
+Revision ID: 3f71565e38de
+Revises: edd7dd61a3d2
+Create Date: 2026-02-12 16:36:09.457303
+
+"""
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+import sqlalchemy as sa
+from alembic import op
+
+from python.orm import RichieBase
+
+if TYPE_CHECKING:
+    from collections.abc import Sequence
+
+# revision identifiers, used by Alembic.
+revision: str = "3f71565e38de"
+down_revision: str | None = "edd7dd61a3d2"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+schema = RichieBase.schema_name
+
+
+def upgrade() -> None:
+    """Upgrade."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        "bill",
+        sa.Column("congress", sa.Integer(), nullable=False),
+        sa.Column("bill_type", sa.String(), nullable=False),
+        sa.Column("number", sa.Integer(), nullable=False),
+        sa.Column("title", sa.String(), nullable=True),
+        sa.Column("title_short", sa.String(), nullable=True),
+        sa.Column("official_title", sa.String(), nullable=True),
+        sa.Column("status", sa.String(), nullable=True),
+        sa.Column("status_at", sa.Date(), nullable=True),
+        sa.Column("sponsor_bioguide_id", sa.String(), nullable=True),
+        sa.Column("subjects_top_term", sa.String(), nullable=True),
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("created", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.Column("updated", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.PrimaryKeyConstraint("id", name=op.f("pk_bill")),
+        sa.UniqueConstraint("congress", "bill_type", "number", name="uq_bill_congress_type_number"),
+        schema=schema,
+    )
+    op.create_index("ix_bill_congress", "bill", ["congress"], unique=False, schema=schema)
+    op.create_table(
+        "legislator",
+        sa.Column("bioguide_id", sa.Text(), nullable=False),
+        sa.Column("thomas_id", sa.String(), nullable=True),
+        sa.Column("lis_id", sa.String(), nullable=True),
+        sa.Column("govtrack_id", sa.Integer(), nullable=True),
+        sa.Column("opensecrets_id", sa.String(), nullable=True),
+        sa.Column("fec_ids", sa.String(), nullable=True),
+        sa.Column("first_name", sa.String(), nullable=False),
+        sa.Column("last_name", sa.String(), nullable=False),
+        sa.Column("official_full_name", sa.String(), nullable=True),
+        sa.Column("nickname", sa.String(), nullable=True),
+        sa.Column("birthday", sa.Date(), nullable=True),
+        sa.Column("gender", sa.String(), nullable=True),
+        sa.Column("current_party", sa.String(), nullable=True),
+        sa.Column("current_state", sa.String(), nullable=True),
+        sa.Column("current_district", sa.Integer(), nullable=True),
+        sa.Column("current_chamber", sa.String(), nullable=True),
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("created", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.Column("updated", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.PrimaryKeyConstraint("id", name=op.f("pk_legislator")),
+        schema=schema,
+    )
+    op.create_index(op.f("ix_legislator_bioguide_id"), "legislator", ["bioguide_id"], unique=True, schema=schema)
+    op.create_table(
+        "vote",
+        sa.Column("congress", sa.Integer(), nullable=False),
+        sa.Column("chamber", sa.String(), nullable=False),
+        sa.Column("session", sa.Integer(), nullable=False),
+        sa.Column("number", sa.Integer(), nullable=False),
+        sa.Column("vote_type", sa.String(), nullable=True),
+        sa.Column("question", sa.String(), nullable=True),
+        sa.Column("result", sa.String(), nullable=True),
+        sa.Column("result_text", sa.String(), nullable=True),
+        sa.Column("vote_date", sa.Date(), nullable=False),
+        sa.Column("yea_count", sa.Integer(), nullable=True),
+        sa.Column("nay_count", sa.Integer(), nullable=True),
+        sa.Column("not_voting_count", sa.Integer(), nullable=True),
+        sa.Column("present_count", sa.Integer(), nullable=True),
+        sa.Column("bill_id", sa.Integer(), nullable=True),
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("created", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.Column("updated", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.ForeignKeyConstraint(["bill_id"], [f"{schema}.bill.id"], name=op.f("fk_vote_bill_id_bill")),
+        sa.PrimaryKeyConstraint("id", name=op.f("pk_vote")),
+        sa.UniqueConstraint("congress", "chamber", "session", "number", name="uq_vote_congress_chamber_session_number"),
+        schema=schema,
+    )
+    op.create_index("ix_vote_congress_chamber", "vote", ["congress", "chamber"], unique=False, schema=schema)
+    op.create_index("ix_vote_date", "vote", ["vote_date"], unique=False, schema=schema)
+    op.create_table(
+        "vote_record",
+        sa.Column("vote_id", sa.Integer(), nullable=False),
+        sa.Column("legislator_id", sa.Integer(), nullable=False),
+        sa.Column("position", sa.String(), nullable=False),
+        sa.ForeignKeyConstraint(
+            ["legislator_id"],
+            [f"{schema}.legislator.id"],
+            name=op.f("fk_vote_record_legislator_id_legislator"),
+            ondelete="CASCADE",
+        ),
+        sa.ForeignKeyConstraint(
+            ["vote_id"], [f"{schema}.vote.id"], name=op.f("fk_vote_record_vote_id_vote"), ondelete="CASCADE"
+        ),
+        sa.PrimaryKeyConstraint("vote_id", "legislator_id", name=op.f("pk_vote_record")),
+        schema=schema,
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table("vote_record", schema=schema)
+    op.drop_index("ix_vote_date", table_name="vote", schema=schema)
+    op.drop_index("ix_vote_congress_chamber", table_name="vote", schema=schema)
+    op.drop_table("vote", schema=schema)
+    op.drop_index(op.f("ix_legislator_bioguide_id"), table_name="legislator", schema=schema)
+    op.drop_table("legislator", schema=schema)
+    op.drop_index("ix_bill_congress", table_name="bill", schema=schema)
+    op.drop_table("bill", schema=schema)
+    # ### end Alembic commands ###

python/alembic/script.py.mako

@@ -13,7 +13,7 @@ from typing import TYPE_CHECKING
 import sqlalchemy as sa
 
 from alembic import op
-from python.orm import RichieBase
+from python.orm import ${config.attributes["base"].__name__}
 
 if TYPE_CHECKING:
     from collections.abc import Sequence
@@ -24,7 +24,7 @@ down_revision: str | None = ${repr(down_revision)}
 branch_labels: str | Sequence[str] | None = ${repr(branch_labels)}
 depends_on: str | Sequence[str] | None = ${repr(depends_on)}
 
-schema=RichieBase.schema_name
+schema=${config.attributes["base"].__name__}.schema_name
 
 def upgrade() -> None:
     """Upgrade."""

python/alembic/van_inventory/versions/2026_03_08-starting_van_invintory_15e733499804.py

@@ -0,0 +1,80 @@
+"""starting van invintory.
+
+Revision ID: 15e733499804
+Revises:
+Create Date: 2026-03-08 00:18:20.759720
+
+"""
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+import sqlalchemy as sa
+from alembic import op
+
+from python.orm import VanInventoryBase
+
+if TYPE_CHECKING:
+    from collections.abc import Sequence
+
+# revision identifiers, used by Alembic.
+revision: str = "15e733499804"
+down_revision: str | None = None
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+schema = VanInventoryBase.schema_name
+
+
+def upgrade() -> None:
+    """Upgrade."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        "items",
+        sa.Column("name", sa.String(), nullable=False),
+        sa.Column("quantity", sa.Float(), nullable=False),
+        sa.Column("unit", sa.String(), nullable=False),
+        sa.Column("category", sa.String(), nullable=True),
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("created", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.Column("updated", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.PrimaryKeyConstraint("id", name=op.f("pk_items")),
+        sa.UniqueConstraint("name", name=op.f("uq_items_name")),
+        schema=schema,
+    )
+    op.create_table(
+        "meals",
+        sa.Column("name", sa.String(), nullable=False),
+        sa.Column("instructions", sa.String(), nullable=True),
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("created", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.Column("updated", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.PrimaryKeyConstraint("id", name=op.f("pk_meals")),
+        sa.UniqueConstraint("name", name=op.f("uq_meals_name")),
+        schema=schema,
+    )
+    op.create_table(
+        "meal_ingredients",
+        sa.Column("meal_id", sa.Integer(), nullable=False),
+        sa.Column("item_id", sa.Integer(), nullable=False),
+        sa.Column("quantity_needed", sa.Float(), nullable=False),
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("created", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.Column("updated", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.ForeignKeyConstraint(["item_id"], [f"{schema}.items.id"], name=op.f("fk_meal_ingredients_item_id_items")),
+        sa.ForeignKeyConstraint(["meal_id"], [f"{schema}.meals.id"], name=op.f("fk_meal_ingredients_meal_id_meals")),
+        sa.PrimaryKeyConstraint("id", name=op.f("pk_meal_ingredients")),
+        sa.UniqueConstraint("meal_id", "item_id", name=op.f("uq_meal_ingredients_meal_id")),
+        schema=schema,
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table("meal_ingredients", schema=schema)
+    op.drop_table("meals", schema=schema)
+    op.drop_table("items", schema=schema)
+    # ### end Alembic commands ###

python/api/main.py

@@ -16,7 +16,7 @@ from fastapi import FastAPI
 
 from python.api.routers import contact_router, create_frontend_router
 from python.common import configure_logger
-from python.orm.base import get_postgres_engine
+from python.orm.common import get_postgres_engine
 
 logger = logging.getLogger(__name__)
 

python/api/routers/contact.py

@@ -6,7 +6,7 @@ from sqlalchemy import select
 from sqlalchemy.orm import selectinload
 
 from python.api.dependencies import DbSession
-from python.orm.contact import Contact, ContactRelationship, Need, RelationshipType
+from python.orm.richie.contact import Contact, ContactRelationship, Need, RelationshipType
 
 
 class NeedBase(BaseModel):

python/database_cli.py

@@ -0,0 +1,114 @@
+"""CLI wrapper around alembic for multi-database support.
+
+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
+"""
+
+from __future__ import annotations
+
+from dataclasses import dataclass
+from importlib import import_module
+from typing import TYPE_CHECKING, Annotated
+
+import typer
+from alembic.config import CommandLine, Config
+
+if TYPE_CHECKING:
+    from sqlalchemy.orm import DeclarativeBase
+
+
+@dataclass(frozen=True)
+class DatabaseConfig:
+    """Configuration for a database."""
+
+    env_prefix: str
+    version_location: str
+    base_module: str
+    base_class_name: str
+    models_module: str
+    script_location: str = "python/alembic"
+    file_template: str = "%%(year)d_%%(month).2d_%%(day).2d-%%(slug)s_%%(rev)s"
+
+    def get_base(self) -> type[DeclarativeBase]:
+        """Import and return the Base class."""
+        module = import_module(self.base_module)
+        return getattr(module, self.base_class_name)
+
+    def import_models(self) -> None:
+        """Import ORM models so alembic autogenerate can detect them."""
+        import_module(self.models_module)
+
+    def alembic_config(self) -> Config:
+        """Build an alembic Config for this database."""
+        # 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", ".")
+        cfg.set_main_option("version_path_separator", "os")
+        cfg.set_main_option("version_locations", self.version_location)
+        cfg.set_main_option("revision_environment", "true")
+        cfg.set_section_option("post_write_hooks", "hooks", "dynamic_schema,ruff")
+        cfg.set_section_option("post_write_hooks", "dynamic_schema.type", "dynamic_schema")
+        cfg.set_section_option("post_write_hooks", "ruff.type", "ruff")
+        cfg.attributes["base"] = self.get_base()
+        cfg.attributes["env_prefix"] = self.env_prefix
+        self.import_models()
+        return cfg
+
+
+DATABASES: dict[str, DatabaseConfig] = {
+    "richie": DatabaseConfig(
+        env_prefix="RICHIE",
+        version_location="python/alembic/richie/versions",
+        base_module="python.orm.richie.base",
+        base_class_name="RichieBase",
+        models_module="python.orm.richie.contact",
+    ),
+    "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",
+    ),
+}
+
+
+app = typer.Typer(help="Multi-database alembic wrapper.")
+
+
+@app.command(
+    context_settings={"allow_extra_args": True, "ignore_unknown_options": True},
+)
+def main(
+    ctx: typer.Context,
+    db_name: Annotated[str, typer.Argument(help=f"Database name. Options: {', '.join(DATABASES)}")],
+    command: Annotated[str, typer.Argument(help="Alembic command (upgrade, downgrade, revision, check, etc.)")],
+) -> None:
+    """Run an alembic command against the specified database."""
+    db_config = DATABASES.get(db_name)
+    if not db_config:
+        typer.echo(f"Unknown database: {db_name!r}. Available: {', '.join(DATABASES)}", err=True)
+        raise typer.Exit(code=1)
+
+    alembic_cfg = db_config.alembic_config()
+
+    cmd_line = CommandLine()
+    options = cmd_line.parser.parse_args([command, *ctx.args])
+    cmd_line.run_cmd(alembic_cfg, options)
+
+
+if __name__ == "__main__":
+    app()
+

python/orm/__init__.py

@@ -1,22 +1,9 @@
 """ORM package exports."""
 
-from __future__ import annotations
+from python.orm.richie.base import RichieBase
-
+from python.orm.van_inventory.base import VanInventoryBase
-from python.orm.base import RichieBase, TableBase
-from python.orm.contact import (
-    Contact,
-    ContactNeed,
-    ContactRelationship,
-    Need,
-    RelationshipType,
-)
 
 __all__ = [
-    "Contact",
-    "ContactNeed",
-    "ContactRelationship",
-    "Need",
-    "RelationshipType",
     "RichieBase",
-    "TableBase",
+    "VanInventoryBase",
 ]

python/orm/base.py

@@ -1,80 +0,0 @@
-"""Base ORM definitions."""
-
-from __future__ import annotations
-
-from datetime import datetime
-from os import getenv
-from typing import cast
-
-from sqlalchemy import DateTime, MetaData, create_engine, func
-from sqlalchemy.engine import URL, Engine
-from sqlalchemy.ext.declarative import AbstractConcreteBase
-from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
-
-
-class RichieBase(DeclarativeBase):
-    """Base class for all ORM models."""
-
-    schema_name = "main"
-
-    metadata = MetaData(
-        schema=schema_name,
-        naming_convention={
-            "ix": "ix_%(table_name)s_%(column_0_name)s",
-            "uq": "uq_%(table_name)s_%(column_0_name)s",
-            "ck": "ck_%(table_name)s_%(constraint_name)s",
-            "fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
-            "pk": "pk_%(table_name)s",
-        },
-    )
-
-
-class TableBase(AbstractConcreteBase, RichieBase):
-    """Abstract concrete base for 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(),
-    )
-
-
-def get_connection_info() -> tuple[str, str, str, str, str | None]:
-    """Get connection info from environment variables."""
-    database = getenv("POSTGRES_DB")
-    host = getenv("POSTGRES_HOST")
-    port = getenv("POSTGRES_PORT")
-    username = getenv("POSTGRES_USER")
-    password = getenv("POSTGRES_PASSWORD")
-
-    if None in (database, host, port, username):
-        error = f"Missing environment variables for Postgres connection.\n{database=}\n{host=}\n{port=}\n{username=}\n"
-        raise ValueError(error)
-    return cast("tuple[str, str, str, str, str | None]", (database, host, port, username, password))
-
-
-def get_postgres_engine(*, pool_pre_ping: bool = True) -> Engine:
-    """Create a SQLAlchemy engine from environment variables."""
-    database, host, port, username, password = get_connection_info()
-
-    url = URL.create(
-        drivername="postgresql+psycopg",
-        username=username,
-        password=password,
-        host=host,
-        port=int(port),
-        database=database,
-    )
-
-    return create_engine(
-        url=url,
-        pool_pre_ping=pool_pre_ping,
-        pool_recycle=1800,
-    )

python/orm/common.py

@@ -0,0 +1,51 @@
+"""Shared ORM definitions."""
+
+from __future__ import annotations
+
+from os import getenv
+from typing import cast
+
+from sqlalchemy import create_engine
+from sqlalchemy.engine import URL, Engine
+
+NAMING_CONVENTION = {
+    "ix": "ix_%(table_name)s_%(column_0_name)s",
+    "uq": "uq_%(table_name)s_%(column_0_name)s",
+    "ck": "ck_%(table_name)s_%(constraint_name)s",
+    "fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
+    "pk": "pk_%(table_name)s",
+}
+
+
+def get_connection_info(name: str) -> tuple[str, str, str, str, str | None]:
+    """Get connection info from environment variables."""
+    database = getenv(f"{name}_DB")
+    host = getenv(f"{name}_HOST")
+    port = getenv(f"{name}_PORT")
+    username = getenv(f"{name}_USER")
+    password = getenv(f"{name}_PASSWORD")
+
+    if None in (database, host, port, username):
+        error = f"Missing environment variables for Postgres connection.\n{database=}\n{host=}\n{port=}\n{username=}\n"
+        raise ValueError(error)
+    return cast("tuple[str, str, str, str, str | None]", (database, host, port, username, password))
+
+
+def get_postgres_engine(*, name: str = "POSTGRES", pool_pre_ping: bool = True) -> Engine:
+    """Create a SQLAlchemy engine from environment variables."""
+    database, host, port, username, password = get_connection_info(name)
+
+    url = URL.create(
+        drivername="postgresql+psycopg",
+        username=username,
+        password=password,
+        host=host,
+        port=int(port),
+        database=database,
+    )
+
+    return create_engine(
+        url=url,
+        pool_pre_ping=pool_pre_ping,
+        pool_recycle=1800,
+    )

python/orm/richie/__init__.py

@@ -0,0 +1,27 @@
+"""Richie database ORM exports."""
+
+from __future__ import annotations
+
+from python.orm.richie.base import RichieBase, TableBase
+from python.orm.richie.congress import Bill, Legislator, Vote, VoteRecord
+from python.orm.richie.contact import (
+    Contact,
+    ContactNeed,
+    ContactRelationship,
+    Need,
+    RelationshipType,
+)
+
+__all__ = [
+    "Bill",
+    "Contact",
+    "ContactNeed",
+    "ContactRelationship",
+    "Legislator",
+    "Need",
+    "RelationshipType",
+    "RichieBase",
+    "TableBase",
+    "Vote",
+    "VoteRecord",
+]

python/orm/richie/base.py

@@ -0,0 +1,39 @@
+"""Richie 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 RichieBase(DeclarativeBase):
+    """Base class for richie database ORM models."""
+
+    schema_name = "main"
+
+    metadata = MetaData(
+        schema=schema_name,
+        naming_convention=NAMING_CONVENTION,
+    )
+
+
+class TableBase(AbstractConcreteBase, RichieBase):
+    """Abstract concrete base for richie 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/richie/congress.py

@@ -0,0 +1,150 @@
+"""Congress Tracker database models."""
+
+from __future__ import annotations
+
+from datetime import date
+
+from sqlalchemy import ForeignKey, Index, Text, UniqueConstraint
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from python.orm.richie.base import RichieBase, TableBase
+
+
+class Legislator(TableBase):
+    """Legislator model - members of Congress."""
+
+    __tablename__ = "legislator"
+
+    # Natural key - bioguide ID is the authoritative identifier
+    bioguide_id: Mapped[str] = mapped_column(Text, unique=True, index=True)
+
+    # Other IDs for cross-referencing
+    thomas_id: Mapped[str | None]
+    lis_id: Mapped[str | None]
+    govtrack_id: Mapped[int | None]
+    opensecrets_id: Mapped[str | None]
+    fec_ids: Mapped[str | None]  # JSON array stored as string
+
+    # Name info
+    first_name: Mapped[str]
+    last_name: Mapped[str]
+    official_full_name: Mapped[str | None]
+    nickname: Mapped[str | None]
+
+    # Bio
+    birthday: Mapped[date | None]
+    gender: Mapped[str | None]  # M/F
+
+    # Current term info (denormalized for query efficiency)
+    current_party: Mapped[str | None]
+    current_state: Mapped[str | None]
+    current_district: Mapped[int | None]  # House only
+    current_chamber: Mapped[str | None]  # rep/sen
+
+    # Relationships
+    vote_records: Mapped[list[VoteRecord]] = relationship(
+        "VoteRecord",
+        back_populates="legislator",
+        cascade="all, delete-orphan",
+    )
+
+
+class Bill(TableBase):
+    """Bill model - legislation introduced in Congress."""
+
+    __tablename__ = "bill"
+
+    # Composite natural key: congress + bill_type + number
+    congress: Mapped[int]
+    bill_type: Mapped[str]  # hr, s, hres, sres, hjres, sjres
+    number: Mapped[int]
+
+    # Bill info
+    title: Mapped[str | None]
+    title_short: Mapped[str | None]
+    official_title: Mapped[str | None]
+
+    # Status
+    status: Mapped[str | None]
+    status_at: Mapped[date | None]
+
+    # Sponsor
+    sponsor_bioguide_id: Mapped[str | None]
+
+    # Subjects
+    subjects_top_term: Mapped[str | None]
+
+    # Relationships
+    votes: Mapped[list[Vote]] = relationship(
+        "Vote",
+        back_populates="bill",
+    )
+
+    __table_args__ = (
+        UniqueConstraint("congress", "bill_type", "number", name="uq_bill_congress_type_number"),
+        Index("ix_bill_congress", "congress"),
+    )
+
+
+class Vote(TableBase):
+    """Vote model - roll call votes in Congress."""
+
+    __tablename__ = "vote"
+
+    # Composite natural key: congress + chamber + session + number
+    congress: Mapped[int]
+    chamber: Mapped[str]  # house/senate
+    session: Mapped[int]
+    number: Mapped[int]
+
+    # Vote details
+    vote_type: Mapped[str | None]
+    question: Mapped[str | None]
+    result: Mapped[str | None]
+    result_text: Mapped[str | None]
+
+    # Timing
+    vote_date: Mapped[date]
+
+    # Vote counts (denormalized for efficiency)
+    yea_count: Mapped[int | None]
+    nay_count: Mapped[int | None]
+    not_voting_count: Mapped[int | None]
+    present_count: Mapped[int | None]
+
+    # Related bill (optional - not all votes are on bills)
+    bill_id: Mapped[int | None] = mapped_column(ForeignKey("main.bill.id"))
+
+    # Relationships
+    bill: Mapped[Bill | None] = relationship("Bill", back_populates="votes")
+    vote_records: Mapped[list[VoteRecord]] = relationship(
+        "VoteRecord",
+        back_populates="vote",
+        cascade="all, delete-orphan",
+    )
+
+    __table_args__ = (
+        UniqueConstraint("congress", "chamber", "session", "number", name="uq_vote_congress_chamber_session_number"),
+        Index("ix_vote_date", "vote_date"),
+        Index("ix_vote_congress_chamber", "congress", "chamber"),
+    )
+
+
+class VoteRecord(RichieBase):
+    """Association table: Vote <-> Legislator with position."""
+
+    __tablename__ = "vote_record"
+
+    vote_id: Mapped[int] = mapped_column(
+        ForeignKey("main.vote.id", ondelete="CASCADE"),
+        primary_key=True,
+    )
+    legislator_id: Mapped[int] = mapped_column(
+        ForeignKey("main.legislator.id", ondelete="CASCADE"),
+        primary_key=True,
+    )
+    position: Mapped[str]  # Yea, Nay, Not Voting, Present
+
+    # Relationships
+    vote: Mapped[Vote] = relationship("Vote", back_populates="vote_records")
+    legislator: Mapped[Legislator] = relationship("Legislator", back_populates="vote_records")

python/orm/richie/contact.py

@@ -7,7 +7,7 @@ from enum import Enum
 from sqlalchemy import ForeignKey, String
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
-from python.orm.base import RichieBase, TableBase
+from python.orm.richie.base import RichieBase, TableBase
 
 
 class RelationshipType(str, Enum):

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/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>

systems/brain/services/postgress.nix

@@ -11,6 +11,7 @@
     authentication = pkgs.lib.mkOverride 10 ''
 
       # admins
+      # These are required for the nixos postgresql setup
       local all  postgres   trust
       host  all  postgres   127.0.0.1/32    trust
       host  all  postgres   ::1/128         trust
@@ -21,6 +22,8 @@
       host  all  richie   192.168.90.1/24 trust
       host  all  richie   192.168.99.1/24 trust
 
+      local vaninventory vaninventory trust
+
       #type database DBuser origin-address auth-method
       local hass     hass     trust
 
@@ -62,6 +65,13 @@
           replication = true;
         };
       }
+      {
+        name = "vaninventory";
+        ensureDBOwnership = true;
+        ensureClauses = {
+          login = true;
+        };
+      }
       {
         name = "hass";
         ensureDBOwnership = true;
@@ -76,6 +86,7 @@
     ensureDatabases = [
       "hass"
       "richie"
+      "vaninventory"
     ];
     # Thank you NotAShelf
     # https://github.com/NotAShelf/nyx/blob/d407b4d6e5ab7f60350af61a3d73a62a5e9ac660/modules/core/roles/server/system/services/databases/postgresql.nix#L74

systems/brain/services/van_inventory.nix

@@ -0,0 +1,48 @@
+{
+  pkgs,
+  inputs,
+  ...
+}:
+{
+  networking.firewall.allowedTCPPorts = [ 8001 ];
+
+  users.users.vaninventory = {
+    isSystemUser = true;
+    group = "vaninventory";
+  };
+  users.groups.vaninventory = { };
+
+  systemd.services.van_inventory = {
+    description = "Van Inventory API";
+    after = [
+      "network.target"
+      "postgresql.service"
+    ];
+    requires = [ "postgresql.service" ];
+    wantedBy = [ "multi-user.target" ];
+
+    environment = {
+      PYTHONPATH = "${inputs.self}/";
+      VAN_INVENTORY_DB = "vaninventory";
+      VAN_INVENTORY_USER = "vaninventory";
+      VAN_INVENTORY_HOST = "/run/postgresql";
+      VAN_INVENTORY_PORT = "5432";
+    };
+
+    serviceConfig = {
+      Type = "simple";
+      User = "van-inventory";
+      Group = "van-inventory";
+      ExecStart = "${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}" ];
+    };
+  };
+}