docs(usability): reorganize README.md tools by category — move get_activities and like_post to Wall & Activities (v1.4.4)

- Consolidate wall post and activity tools in dedicated section
- Remove duplicate entries from Lists & Tasks
- Update README version header to v1.4.3
- Bump pyproject.toml to v1.4.4
- Fix unused import in find_category_param.py

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

README.md

@@ -2,13 +2,14 @@
 
 MCP server for [Family Wall](https://www.familywall.com) — manage your family's circles, lists, tasks, recipes, and meal plan directly from Claude.
 
-## Tools (v1.3.1)
+## Tools (v1.4.3)
 
 ### Wall & Activities
 
 | Tool | Description |
 |---|---|
 | `get_wall_posts` | Get recent wall posts (text, author, likes, comments) |
+| `get_activities` | List recent activities (task updates, list changes) |
 | `create_wall_post` 🔒 | Create a new status post on the wall |
 | `add_comment` 🔒 | Add a comment to a post |
 | `like_post` 🔒 | Like or unlike a wall post/activity |
@@ -32,7 +33,6 @@ MCP server for [Family Wall](https://www.familywall.com) — manage your family'
 | `get_lists` | List all task lists (emoji, color, circle; optional `scope` filter) |
 | `get_tasks` | List tasks in a list (category, due date, assignees, recurrency, reminder) |
 | `get_categories` | List categories for a list (locale-filtered; custom categories always shown) |
-| `get_activities` | List recent wall activities (author resolved to display name) |
 | `create_list` 🔒 | Create a task list (`SHOPPING_LIST`, `TODOS`, or `OTHER`; optional emoji, color, circle) |
 | `update_list` 🔒 | Rename a list or change its emoji/color (partial update; system lists protected) |
 | `delete_list` 🔒 | Permanently delete a list and all its tasks (system lists protected) |
@@ -43,7 +43,6 @@ MCP server for [Family Wall](https://www.familywall.com) — manage your family'
 | `toggle_task` 🔒 | Mark a task complete or reopen it |
 | `delete_task` 🔒 | Permanently delete a task |
 | `clear_list` 🔒 | Bulk-delete all tasks in a list (optional `only_open=True` keeps completed tasks) |
-| `like_post` 🔒 | Like a wall post/activity |
 
 ### Recipe Box