Add /tasks skill for Google Tasks

- New gtasks skill with thin wrapper around morning-report collector
- Register /tasks command with /todo, /todos aliases
- Design doc at docs/plans/2026-01-05-gtasks-skill-design.md

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

skills/gtasks/SKILL.md

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+---
+name: gtasks
+description: Google Tasks read access — list pending tasks. Use when asked about tasks, todos, or what needs to be done.
+allowed-tools:
+  - Bash
+  - Read
+---
+
+# Google Tasks Skill
+
+List pending Google Tasks. Uses OAuth credentials at `~/.gmail-mcp/`.
+
+## Quick Commands
+
+```bash
+GMAIL_PY=~/.claude/mcp/gmail/venv/bin/python
+SCRIPTS=~/.claude/skills/gtasks/scripts
+
+# List tasks (default 10)
+$GMAIL_PY $SCRIPTS/list.py
+
+# Show more tasks
+$GMAIL_PY $SCRIPTS/list.py 20
+```
+
+## Script Reference
+
+| Script | Purpose | Args |
+|--------|---------|------|
+| `list.py` | List pending tasks | `[max]` (default 10) |
+
+## Request Routing
+
+| User Request | Script |
+|--------------|--------|
+| "What are my tasks?" | `list.py` |
+| "Show my todos" | `list.py` |
+| "/tasks" | `list.py` |
+
+## Output Format
+
+```
+6 pending
+  • 5:00 PM - Dinner at Lecosho
+  • 3:00 PM - Snack at Le Panier
+  • 2:00 PM - Coffee at QED
+```
+
+## Policy
+
+- **Read-only** operations only
+- **Summarize** results, don't dump raw data

skills/gtasks/scripts/list.py

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+#!/usr/bin/env python3
+"""List Google Tasks - thin wrapper around morning-report collector."""
+
+import sys
+from pathlib import Path
+
+# Import from morning-report collector
+sys.path.insert(0, str(Path.home() / ".claude/skills/morning-report/scripts/collectors"))
+
+from gtasks import fetch_tasks, format_tasks
+
+
+def main():
+    max_display = int(sys.argv[1]) if len(sys.argv) > 1 else 10
+    tasks = fetch_tasks(max_results=max_display + 5)
+
+    if not tasks:
+        print("No pending tasks.")
+        return
+
+    # Check for error response
+    if len(tasks) == 1 and "error" in tasks[0]:
+        print(f"Error: {tasks[0]['error']}")
+        return
+
+    print(format_tasks(tasks, max_display))
+
+
+if __name__ == "__main__":
+    main()