fix(lists): circle scope support for get_lists, create_list, delete_list (v0.7.1)

- get_lists(scope): API scope parameter now used server-side; accepts circle
  metaId ("family/XXXX") or circle name; returns circle_id field per list
- create_list(circle_id): new optional param; passes as API scope param
- delete_list: derives circle from list metaId and passes scope for
  secondary-circle lists
- Added _circle_id_from_list_id() helper (taskList/FAMNUM_LISTNUM -> family/FAMNUM)
- SPEC.md: documented scope param for taskgettasklists, taskcreatelist, taskdeletelist
- Verified: familyId/circleId/id params ignored by API, only scope works

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "mcp-familywall"
-version = "0.7.0"
+version = "0.7.1"
 description = "MCP server for Family Wall — read your family's lists and tasks via Claude"
 readme = "README.md"
 requires-python = ">=3.12"