Reinier van der Leer 353396110c refactor(backend): Clean up Library & Store DB schema (#9774) ...

Distilled from #9541 to reduce the scope of that PR.

- Part of #9307

- ❗ Blocks #9786
  - ❗ Blocks #9541

### Changes 🏗️

- Fix `LibraryAgent` schema (for #9786)
- Fix relationships between `LibraryAgent`, `AgentGraph`, and
`AgentPreset`
  - Impose uniqueness constraint on `LibraryAgent`

- Rename things that are called `agent` that actually refer to a
`graph`/`agentGraph`
- Fix singular/plural forms in DB schema
- Simplify reference names of closely related objects (e.g.
`AgentGraph.AgentGraphExecutions` -> `AgentGraph.Executions`)

- Eliminate use of `# type: ignore` in DB statements
  - Add `typed` and `typed_cast` utilities to `backend.util.type`

### Checklist 📋

#### For code changes:
- [x] I have clearly listed my changes in the PR description
- [x] I have made a test plan
- [x] I have tested my changes according to the test plan:
- [x] CI static type checking (with all risky `# type: ignore` removed)
  - [x] Check that column references in views are updated

2025-04-10 10:40:25 +00:00

..

test_execution_functions.py

feature(platform) Smart Decision Maker Block (#9490)

2025-02-25 15:29:22 +01:00

test_manager.py

refactor(backend): Clean up Library & Store DB schema (#9774)

2025-04-10 10:40:25 +00:00

test_scheduler.py

fix(backend): Update deprecated code caused by upgrades (#9758)

2025-04-04 16:34:40 +00:00

test_tool_use.py

fix(backend): Update deprecated code caused by upgrades (#9758)

2025-04-04 16:34:40 +00:00