Set up Core Hub framework planning

workplans/CORE-WP-0003-fastapi-postgres-foundation.md

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+---
+id: CORE-WP-0003
+type: workplan
+title: "Build FastAPI/Postgres foundation"
+domain: infotech
+repo: core-hub
+status: ready
+owner: codex
+topic_slug: custodian
+created: "2026-06-27"
+updated: "2026-06-27"
+state_hub_workstream_id: "ef913c8c-2a50-4970-9a9d-0cb65dc996cd"
+---
+
+# Build FastAPI/Postgres foundation
+
+Create the first Core Hub runtime on the natural Coulomb stack.
+
+## Scaffold Python Project
+
+```task
+id: CORE-WP-0003-T01
+status: todo
+priority: high
+state_hub_task_id: "3db032d8-7ac6-424e-8bbe-3debd332241b"
+```
+
+Add Python packaging, app layout, dependency declaration, local dev commands, and test runner. Target Python 3.12, FastAPI, Pydantic v2, SQLAlchemy async, Alembic, asyncpg, httpx, and pytest.
+
+## Add Health and OpenAPI Baseline
+
+```task
+id: CORE-WP-0003-T02
+status: todo
+priority: high
+state_hub_task_id: "d01d6169-a0c6-4689-b986-49ea6cd218b9"
+```
+
+Implement health/readiness endpoints and generated OpenAPI. Ensure local run/test commands are documented in agent rules.
+
+## Add Database Foundation
+
+```task
+id: CORE-WP-0003-T03
+status: todo
+priority: high
+state_hub_task_id: "23c57f3e-425e-47d8-9fb5-9cc6366f2167"
+```
+
+Create SQLAlchemy base models, Alembic configuration, initial migrations, async database session wiring, and test database fixtures.
+
+## Add CI-Ready Checks
+
+```task
+id: CORE-WP-0003-T04
+status: todo
+priority: medium
+state_hub_task_id: "a1790376-3f63-4eed-8f2f-c059eb1304db"
+```
+
+Add formatting/lint/test commands suitable for the normal platform workflow. Avoid Haskell/Nix/devenv dependencies.