feat: monorepo restructure and test/ci updates

- Add crewai workspace member
- Fix vcr cassette paths and restore test dirs
- Resolve ci failures and update linter/pytest rules

.pre-commit-config.yaml

@@ -6,14 +6,16 @@ repos:
         entry: uv run ruff check
         language: system
         types: [python]
+        exclude: ^lib/crewai/
       - id: ruff-format
         name: ruff-format
         entry: uv run ruff format
         language: system
         types: [python]
+        exclude: ^lib/crewai/
       - id: mypy
         name: mypy
         entry: uv run mypy
         language: system
         types: [python]
-        exclude: ^tests/
+        exclude: ^lib/crewai/