calendar: use todoman for VTODO list/complete/delete/check

Replaces custom .ics parsing with todoman CLI (--porcelain for JSON).
todo add still uses icalendar directly (needs ICS creation + email).
Updates MIGRATION.md with todoman install/config instructions.

skills/calendar/MIGRATION.md

@@ -8,15 +8,52 @@
 | `reminders/active.md` (markdown table) | `calendars/tasks/*.ics` (RFC 5545 VTODO) |
 | Local only, no sync | CalDAV sync to all devices via vdirsyncer |
 | No native reminders | VALARM triggers on phone/desktop |
-| Cron reads markdown | Cron reads .ics files |
+| Cron reads markdown | Cron reads .ics via todoman |
+| Custom Python parsing | todoman for robust RFC 5545 VTODO handling |
 
 ## Prerequisites
 
-- [ ] `calendar.sh todo add --dry-run` works (tested in current session)
+- [ ] Install todoman (see below)
+- [ ] Configure todoman (see below)
+- [ ] `calendar.sh todo add --dry-run` works
 - [ ] `~/.openclaw/workspace/calendars/tasks/` directory exists (auto-created by `todo add`)
 - [ ] vdirsyncer has a `cal/tasks` pair configured
 - [ ] Live tests 8-12 from `TESTING.md` pass on the Linux machine
 
+## Step 0: Install and configure todoman
+
+### Install
+
+```bash
+# Debian/Ubuntu (the agent's Linux machine)
+pip install todoman
+
+# macOS (Homebrew)
+brew install todoman
+```
+
+The CLI command is `todo`.
+
+### Configure
+
+Create `~/.config/todoman/config.py`:
+
+```python
+path = "~/.openclaw/workspace/calendars/tasks/"
+date_format = "%Y-%m-%d"
+time_format = "%H:%M"
+default_due = 24
+default_priority = 0
+humanize = True
+```
+
+### Verify
+
+```bash
+# Should list todos (or show empty list without errors)
+todo list
+```
+
 ## Step 1: Migrate pending reminders
 
 Two items are pending in `reminders/active.md`:
@@ -37,6 +74,8 @@ $SKILL_DIR/scripts/calendar.sh todo add \
   --description "询问iui报销相关事宜"
 ```
 
+Note: `todo add` emails each item to `mail@luyx.org`. This is expected.
+
 Verify:
 ```bash
 $SKILL_DIR/scripts/calendar.sh todo list
@@ -50,27 +89,29 @@ Ask the agent to set up a daily cron job via `openclaw cron`:
 > `~/.openclaw/workspace/skills/calendar/scripts/calendar.sh todo check`
 > and emails the output to mail@luyx.org with subject "📋 今日待办清单"
 
-The old `reminder_check.py` cron in `crontab.txt` should be removed by the agent at the same time.
+The old `reminder_check.py` cron should be removed by the agent at the same time.
 
 ## Step 3: Verify
 
-- [ ] `todo list` shows both migrated items
+- [ ] `todo list` (todoman directly) shows both migrated items
+- [ ] `calendar.sh todo list` shows both items with Chinese priority labels
 - [ ] `vdirsyncer sync` completes without errors
 - [ ] Todos appear on phone/CalDAV client
 - [ ] Next morning's cron email arrives with the new format
 
-## Step 4: Clean up (optional, after confidence period)
+## Step 4: Clean up
 
 After a few days of successful operation:
 
-- `reminders/active.md` — can be archived or deleted
+```bash
-- `scripts/reminder_check.py` — can be removed
+# Remove old reminder system
-- `reminders/` directory — can be removed
+rm scripts/reminder_check.py
-- Old cron entry in `crontab.txt` — should already be gone
+rm -r reminders/
+```
 
 ## Rollback
 
-If something goes wrong, the old system is still intact:
+If something goes wrong, the old system is still intact until Step 4:
 - `reminders/active.md` is unchanged
 - `scripts/reminder_check.py` still works
 - Re-add the old cron entry to restore the previous behavior

skills/calendar/SKILL.md

@@ -1,7 +1,7 @@
 ---
 name: calendar
 description: "Calendar invites and VTODO task management via CalDAV. Send/reply to invites, create/list/complete/delete todos. Syncs to Migadu CalDAV via vdirsyncer."
-metadata: {"clawdbot":{"emoji":"📅","requires":{"bins":["himalaya","vdirsyncer"],"skills":["himalaya"]}}}
+metadata: {"clawdbot":{"emoji":"📅","requires":{"bins":["himalaya","vdirsyncer","todo"],"skills":["himalaya"]}}}
 ---
 
 # Calendar
@@ -16,6 +16,7 @@ See `TESTING.md` for dry-run and live test steps, verification checklists, and t
 
 - `himalaya` configured and working (see the `himalaya` skill)
 - `vdirsyncer` configured and syncing to `~/.openclaw/workspace/calendars/`
+- `todoman` (`todo`) for VTODO management (list, complete, delete)
 - `khal` for reading calendar (optional but recommended)
 - Runs via `uv run` (dependencies managed in `pyproject.toml`)
 
@@ -245,11 +246,9 @@ Same as `todo list` but only NEEDS-ACTION items. Exits silently when no pending
 6. Runs `vdirsyncer sync` to push changes to Migadu CalDAV
 
 **Managing todos:**
-1. Creates a VTODO ICS file with `STATUS:NEEDS-ACTION`, `PRIORITY`, `DUE`, `VALARM`
+1. `todo add`: Creates a VTODO ICS file (via `icalendar` library), saves to `calendars/tasks/`, emails to owner, syncs
-2. Saves to `~/.openclaw/workspace/calendars/tasks/`
+2. `todo list/complete/delete/check`: Delegates to `todoman` CLI for robust RFC 5545 VTODO parsing
-3. Emails the VTODO to `mail@luyx.org` as a delivery copy
+3. Runs `vdirsyncer sync` after mutations to push changes to Migadu CalDAV
-4. Runs `vdirsyncer sync` to push to Migadu CalDAV
-5. `todo check` reads local files for the daily cron digest
 
 **CalDAV sync:**
 - Events and tasks sync to Migadu and appear on all connected devices (DAVx5, etc.)

skills/calendar/scripts/cal_tool.py

@@ -386,49 +386,43 @@ def cmd_reply(args):
 
 
 # ---------------------------------------------------------------------------
-# VTODO: helpers
+# VTODO: todoman helpers
 # ---------------------------------------------------------------------------
 
 
-def _load_todos():
+def _run_todoman(*todo_args):
-    """Load all VTODO items from TASKS_DIR. Returns list of (path, vtodo) tuples."""
+    """Run a todoman command and return its stdout."""
-    if not TASKS_DIR.is_dir():
+    cmd = ["todo"] + list(todo_args)
+    result = subprocess.run(cmd, capture_output=True, text=True)
+    if result.returncode != 0:
+        print(f"Error: todoman failed: {result.stderr.strip()}", file=sys.stderr)
+        sys.exit(1)
+    return result.stdout
+
+
+def _todoman_list_json(*extra_args):
+    """Get todos as JSON from todoman --porcelain."""
+    cmd = ["todo", "--porcelain", "list"] + list(extra_args)
+    result = subprocess.run(cmd, capture_output=True, text=True)
+    if result.returncode != 0:
+        print(f"Error: todoman failed: {result.stderr.strip()}", file=sys.stderr)
+        sys.exit(1)
+    if not result.stdout.strip():
         return []
-    todos = []
+    import json
-    for ics_path in TASKS_DIR.glob("*.ics"):
+    return json.loads(result.stdout)
-        try:
-            cal = Calendar.from_ical(ics_path.read_bytes())
-            for component in cal.walk():
-                if component.name == "VTODO":
-                    todos.append((ics_path, component))
-                    break
-        except Exception:
-            continue
-    return todos
 
 
-def _get_due_date(vtodo):
+def _days_until(due_str):
-    """Extract due date from a VTODO as a date object, or None."""
+    """Days from today until due date string. Negative means overdue."""
-    due = vtodo.get("due")
+    if not due_str:
-    if due is None:
         return None
-    dt = due.dt
+    try:
-    if isinstance(dt, datetime):
+        due_date = datetime.fromisoformat(due_str).date()
-        return dt.date()
+    except (ValueError, TypeError):
-    return dt
+        try:
-
+            due_date = _parse_date(due_str)
-
+        except ValueError:
-def _get_priority_int(vtodo):
-    """Get priority as int (1=high, 5=medium, 9=low). Default 5."""
-    p = vtodo.get("priority")
-    if p is None:
-        return 5
-    return int(p)
-
-
-def _days_until(due_date):
-    """Days from today until due_date. Negative means overdue."""
-    if due_date is None:
             return None
     return (due_date - date.today()).days
 
@@ -449,42 +443,19 @@ def _urgency_label(days):
         return f"🟢 {days} 天后"
 
 
-def _find_todo_by_match(todos, match_str):
+def _find_todo_id(match_str):
-    """Find a single todo by fuzzy match on SUMMARY. Exits on 0 or >1 matches."""
+    """Find a todoman ID by matching summary text. Exits on 0 or >1 matches."""
-    matches = []
+    todos = _todoman_list_json("--sort", "due")
-    for path, vtodo in todos:
+    matches = [t for t in todos if match_str in (t.get("summary") or "")]
-        summary = str(vtodo.get("summary", ""))
-        if match_str in summary:
-            matches.append((path, vtodo))
     if not matches:
         print(f"Error: No todo matching '{match_str}'", file=sys.stderr)
         sys.exit(1)
     if len(matches) > 1:
         print(f"Error: Multiple todos match '{match_str}':", file=sys.stderr)
-        for _, vt in matches:
+        for t in matches:
-            print(f"  - {vt.get('summary')} (UID: {vt.get('uid')})", file=sys.stderr)
+            print(f"  - {t.get('summary')} (id: {t.get('id')})", file=sys.stderr)
-        sys.exit(1)
-    return matches[0]
-
-
-def _find_todo_by_uid(todos, uid):
-    """Find a todo by UID. Exits if not found."""
-    for path, vtodo in todos:
-        if str(vtodo.get("uid", "")) == uid:
-            return path, vtodo
-    print(f"Error: No todo with UID '{uid}'", file=sys.stderr)
-    sys.exit(1)
-
-
-def _resolve_todo(args, todos):
-    """Resolve a todo from --uid or --match args."""
-    if args.uid:
-        return _find_todo_by_uid(todos, args.uid)
-    elif args.match:
-        return _find_todo_by_match(todos, args.match)
-    else:
-        print("Error: --uid or --match is required", file=sys.stderr)
         sys.exit(1)
+    return matches[0]["id"]
 
 
 # ---------------------------------------------------------------------------
@@ -584,152 +555,116 @@ def cmd_todo_add(args):
         print(f"Warning: Failed to email todo to {DEFAULT_OWNER_EMAIL}")
 
 
-def cmd_todo_list(args):
+def _format_todo_digest(todos):
-    """List todos, optionally including completed ones."""
+    """Format todos into the Chinese priority-grouped digest. Returns string or None."""
-    todos = _load_todos()
     if not todos:
-        print("No todos found.")
+        return None
-        return
 
-    # Filter
-    if not args.all:
-        todos = [(p, vt) for p, vt in todos
-                 if str(vt.get("status", "NEEDS-ACTION")) in ("NEEDS-ACTION", "IN-PROCESS")]
-
-    if not todos:
-        print("No pending todos.")
-        return
-
-    # Sort by priority then due date
-    def sort_key(item):
-        _, vt = item
-        prio = _get_priority_int(vt)
-        due = _get_due_date(vt)
-        return (prio, due or date.max)
-
-    todos.sort(key=sort_key)
-
-    # Format output
     today_str = date.today().isoformat()
-    print(f"📋 待办事项 ({today_str})")
+    lines = [f"📋 待办事项 ({today_str})", "=" * 50]
-    print("=" * 50)
 
     # Group by priority
     groups = {1: [], 5: [], 9: []}
-    for path, vt in todos:
+    for t in todos:
-        prio = _get_priority_int(vt)
+        prio = t.get("priority") or 0
-        # Bucket into nearest standard priority
+        if 1 <= prio <= 3:
-        if prio <= 3:
+            groups[1].append(t)
-            groups[1].append((path, vt))
+        elif 4 <= prio <= 7:
-        elif prio <= 7:
+            groups[5].append(t)
-            groups[5].append((path, vt))
         else:
-            groups[9].append((path, vt))
+            groups[9].append(t)
 
     for prio, emoji, label in [(1, "🔴", "高优先级"), (5, "🟡", "中优先级"), (9, "🟢", "低优先级")]:
         items = groups[prio]
         if not items:
             continue
-        print(f"\n{emoji} {label}：")
+        lines.append(f"\n{emoji} {label}：")
-        for _, vt in items:
+        for t in items:
-            summary = str(vt.get("summary", ""))
+            summary = t.get("summary") or ""
-            due = _get_due_date(vt)
+            due = t.get("due")
             days = _days_until(due)
             urgency = _urgency_label(days)
-            status = str(vt.get("status", ""))
+            desc = t.get("description") or ""
-            desc = str(vt.get("description", ""))
+            is_completed = t.get("is_completed", False)
 
-            line = f"  • {summary} ({urgency})"
+            if is_completed:
-            if status == "COMPLETED":
                 line = f"  • ✅ {summary} (已完成)"
+            else:
+                line = f"  • {summary} ({urgency})"
             if desc:
                 line += f" | {desc}"
-            print(line)
+            lines.append(line)
 
-    print("\n" + "=" * 50)
+    lines.append("\n" + "=" * 50)
+    return "\n".join(lines)
+
+
+def cmd_todo_list(args):
+    """List todos via todoman, optionally including completed ones."""
+    extra = ["--sort", "priority"]
+    if args.all:
+        extra += ["--status", "ANY"]
+    todos = _todoman_list_json(*extra)
+
+    if not todos:
+        print("No pending todos." if not args.all else "No todos found.")
+        return
+
+    output = _format_todo_digest(todos)
+    if output:
+        print(output)
 
 
 def cmd_todo_complete(args):
-    """Mark a todo as COMPLETED."""
+    """Mark a todo as done via todoman."""
-    todos = _load_todos()
+    if args.uid:
-    path, vtodo = _resolve_todo(args, todos)
+        # todoman uses numeric IDs, not UIDs — search by UID in summary fallback
+        todos = _todoman_list_json("--sort", "due")
+        match = [t for t in todos if args.uid in (t.get("uid") or "")]
+        if not match:
+            print(f"Error: No todo with UID '{args.uid}'", file=sys.stderr)
+            sys.exit(1)
+        todo_id = match[0]["id"]
+    elif args.match:
+        todo_id = _find_todo_id(args.match)
+    else:
+        print("Error: --uid or --match is required", file=sys.stderr)
+        sys.exit(1)
 
-    # Read, modify, rewrite
+    _run_todoman("done", str(todo_id))
-    cal = Calendar.from_ical(path.read_bytes())
+    print(f"Completed todo #{todo_id}")
-    for component in cal.walk():
-        if component.name == "VTODO":
-            component["status"] = "COMPLETED"
-            component.add("completed", datetime.now(timezone.utc))
-            break
-
-    path.write_bytes(cal.to_ical())
-    summary = str(vtodo.get("summary", ""))
-    print(f"Completed: {summary}")
     _sync_calendar()
 
 
 def cmd_todo_delete(args):
-    """Delete a todo .ics file."""
+    """Delete a todo via todoman."""
-    todos = _load_todos()
+    if args.uid:
-    path, vtodo = _resolve_todo(args, todos)
+        todos = _todoman_list_json("--sort", "due")
+        match = [t for t in todos if args.uid in (t.get("uid") or "")]
+        if not match:
+            print(f"Error: No todo with UID '{args.uid}'", file=sys.stderr)
+            sys.exit(1)
+        todo_id = match[0]["id"]
+    elif args.match:
+        todo_id = _find_todo_id(args.match)
+    else:
+        print("Error: --uid or --match is required", file=sys.stderr)
+        sys.exit(1)
 
-    summary = str(vtodo.get("summary", ""))
+    _run_todoman("delete", str(todo_id))
-    path.unlink()
+    print(f"Deleted todo #{todo_id}")
-    print(f"Deleted: {summary}")
     _sync_calendar()
 
 
 def cmd_todo_check(args):
     """Daily digest of pending todos (for cron). Silent when empty."""
-    todos = _load_todos()
+    todos = _todoman_list_json("--sort", "priority")
-    # Filter to NEEDS-ACTION only
+    if not todos:
-    pending = [(p, vt) for p, vt in todos
-               if str(vt.get("status", "NEEDS-ACTION")) in ("NEEDS-ACTION", "IN-PROCESS")]
-
-    if not pending:
         return  # silent exit
 
-    # Sort by priority then due date
+    output = _format_todo_digest(todos)
-    def sort_key(item):
+    if output:
-        _, vt = item
+        print(output)
-        prio = _get_priority_int(vt)
-        due = _get_due_date(vt)
-        return (prio, due or date.max)
-
-    pending.sort(key=sort_key)
-
-    # Format output (same style as todo list but without footer)
-    today_str = date.today().isoformat()
-    print(f"📋 待办事项 ({today_str})")
-    print("=" * 50)
-
-    groups = {1: [], 5: [], 9: []}
-    for path, vt in pending:
-        prio = _get_priority_int(vt)
-        if prio <= 3:
-            groups[1].append((path, vt))
-        elif prio <= 7:
-            groups[5].append((path, vt))
-        else:
-            groups[9].append((path, vt))
-
-    for prio, emoji, label in [(1, "🔴", "高优先级"), (5, "🟡", "中优先级"), (9, "🟢", "低优先级")]:
-        items = groups[prio]
-        if not items:
-            continue
-        print(f"\n{emoji} {label}：")
-        for _, vt in items:
-            summary = str(vt.get("summary", ""))
-            due = _get_due_date(vt)
-            days = _days_until(due)
-            urgency = _urgency_label(days)
-            desc = str(vt.get("description", ""))
-            line = f"  • {summary} ({urgency})"
-            if desc:
-                line += f" | {desc}"
-            print(line)
-
-    print("\n" + "=" * 50)
 
 
 # ---------------------------------------------------------------------------