Improve Activity panel + task tracking rules

- Activity loads from tasks.json dynamically
- Added task tracking workflow in AGENTS.md
- Notes UI improvements
- Renamed recipe with date prefix

TOOLS.md

@@ -31,6 +31,10 @@ python3 tools/email_send.py "dest@email.com" "Subiect" "Corp mesaj"
 - **API:** `kanban/api.py`
 - **Update task:** `python3 kanban/update_task.py`
 
+**Reguli dashboard:**
+- Tab Activity afișează task-uri din tasks.json, sortate descrescător după timestamp
+- Când creez/completez task-uri, să am timestamp complet (ISO format cu oră)
+
 ### Notes (toate tipurile)
 - **Folder:** `notes/` (subdirectoare: `youtube/`, `retete/`, etc.)
 - **Update index:** `python3 tools/update_notes_index.py`