docs(docstrings): improve tool usage guidance for new Claude sessions (v1.4.1)

- get_wall_posts: clarify mixed content (status posts + activity entries)
- get_activities: expand description and distinguish from get_wall_posts
- like_post: extend post_id examples (wall/, task/, taskList/ IDs)
- get_recipe_categories: add usage notes (IDs, free-tier categories, family-wide)
- add_meal_note: clarify create-only behavior (delete then recreate to update)
- clear_list: move risk warning (default deletes all) to opening line
- create_recipe: verify IMPORTANT confirmation line present

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "mcp-familywall"
-version = "1.4.0"
+version = "1.4.1"
 description = "MCP server for Family Wall — manage your family's circles, lists, tasks, recipes, and meal plan via Claude"
 readme = "README.md"
 requires-python = ">=3.12"