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>

scripts/find_category_param.py

@@ -14,7 +14,6 @@ Prerequisites: credentials stored in OS keyring or FW_EMAIL / FW_PASSWORD set.
 
 from __future__ import annotations
 
-import json
 import os
 import sys
 
@@ -39,24 +38,22 @@ FORCED_CATEGORY_META_ID: str | None = None
 CANDIDATES: list[dict[str, str | None]] = [
     # key → value format description
     # Full metaId variants
-    {"key": "systemCategoryId",       "fmt": "numeric"},     # just the number, e.g. "200"
-    {"key": "taskCategorySystemId",   "fmt": "numeric"},
-    {"key": "categories",             "fmt": "meta_id"},     # full taskCategory/… metaId
-    {"key": "categoryIds",            "fmt": "meta_id"},
-    {"key": "taskCategoryName",       "fmt": "name"},        # category name as string
-    {"key": "categoryName",           "fmt": "name"},
-    {"key": "taskCategoryId",         "fmt": "meta_id"},     # already tried but try numeric too
+    {"key": "systemCategoryId", "fmt": "numeric"},  # just the number, e.g. "200"
+    {"key": "taskCategorySystemId", "fmt": "numeric"},
+    {"key": "categories", "fmt": "meta_id"},  # full taskCategory/… metaId
+    {"key": "categoryIds", "fmt": "meta_id"},
+    {"key": "taskCategoryName", "fmt": "name"},  # category name as string
+    {"key": "categoryName", "fmt": "name"},
+    {"key": "taskCategoryId", "fmt": "meta_id"},  # already tried but try numeric too
     # Numeric variants of already-tried names
-    {"key": "taskCategoryId",         "fmt": "numeric"},
-    {"key": "categoryId",             "fmt": "numeric"},
-    {"key": "category",               "fmt": "numeric"},
-    {"key": "categoryMetaId",         "fmt": "numeric"},
+    {"key": "taskCategoryId", "fmt": "numeric"},
+    {"key": "categoryId", "fmt": "numeric"},
+    {"key": "category", "fmt": "numeric"},
+    {"key": "categoryMetaId", "fmt": "numeric"},
 ]
 
 
-def _resolve_category(
-    client: FamilyWallClient, list_id: str
-) -> tuple[str, str, str]:
+def _resolve_category(client: FamilyWallClient, list_id: str) -> tuple[str, str, str]:
     """Return (meta_id, system_category_id_str, name) for the first German category."""
     data = client.call(
         "accgetallfamily",