chore(release): 0.0.7

Squash-merge lib-standardisation: adopt repo standards across packaging,
tooling, docs, and CI.

- standardize pyproject.toml (canonical packaging, lint config, extras, GSDFC pydoclint)
- add py.typed marker, modernize type hints and Google-style docstrings
- nest generated docs under docs/lib and docs/mcp; add hand-written wiki
- adopt standard Type A PyPI CI pipeline (tag==version guard + quality gate)
- promote generated CHANGELOG.md; bump version to 0.0.7

openapi_first/templates/crud_app/data.py

@@ -33,7 +33,7 @@ _items: Dict[int, dict] = {
 _next_id = 3
 
 
-def list_items():
+def list_items() -> list[dict]:
     """
     Return all items in the data store.
 
@@ -48,7 +48,7 @@ def list_items():
     return list(_items.values())
 
 
-def get_item(item_id: int):
+def get_item(item_id: int) -> dict:
     """
     Retrieve a single item by ID.
 
@@ -68,7 +68,7 @@ def get_item(item_id: int):
     return _items[item_id]
 
 
-def create_item(payload: dict):
+def create_item(payload: dict) -> dict:
     """
     Create a new item in the data store.
 
@@ -92,7 +92,7 @@ def create_item(payload: dict):
     return item
 
 
-def update_item(item_id: int, payload: dict):
+def update_item(item_id: int, payload: dict) -> dict:
     """
     Replace an existing item in the data store.