feat(n8n-webhook): add calendar list update delete approval flows

skills/n8n-webhook/references/openclaw-action.md

@@ -20,6 +20,9 @@ It implements a real local OpenClaw → n8n router.
   - `delete_email_draft`
   - `send_gmail_draft` (alias: `send_approved_email`)
   - `create_calendar_event`
+  - `list_upcoming_events`
+  - `update_calendar_event`
+  - `delete_calendar_event`
   - `approval_queue_add`
   - `approval_queue_list`
   - `approval_queue_resolve`
@@ -60,6 +63,9 @@ Actions:
 - `delete_email_draft`
 - `send_gmail_draft` (alias: `send_approved_email`)
 - `create_calendar_event`
+- `list_upcoming_events`
+- `update_calendar_event`
+- `delete_calendar_event`
 
 Behavior:
 - queue proposals into workflow static data under key:
@@ -70,10 +76,10 @@ Behavior:
 - are intended for host-side execution via the included `gog` bridge after explicit approval resolution
 
 Approval policy defaults:
-- `send_email_draft`, `delete_email_draft`, `send_gmail_draft` / `send_approved_email`, `create_calendar_event`
+- `send_email_draft`, `delete_email_draft`, `send_gmail_draft` / `send_approved_email`, `create_calendar_event`, `update_calendar_event`, `delete_calendar_event`
   - `approval.required = true`
   - `approval.mutation_level = "high"`
-- `list_email_drafts`
+- `list_email_drafts`, `list_upcoming_events`
   - `approval.required = true`
   - `approval.mutation_level = "low"` (read-only action, still routed through approval queue for explicit operator acknowledgement + audit trail)
 
@@ -172,6 +178,9 @@ After import, set this manually in n8n:
 - `assets/test-send-gmail-draft.json`
 - `assets/test-send-approved-email.json`
 - `assets/test-create-calendar-event.json`
+- `assets/test-list-upcoming-events.json`
+- `assets/test-update-calendar-event.json`
+- `assets/test-delete-calendar-event.json`
 - `assets/test-fetch-and-normalize-url.json`
 - `assets/test-approval-queue-list.json`
 - `assets/test-inbound-event-filter.json`
@@ -190,6 +199,9 @@ scripts/call-action.sh delete_email_draft --args-file assets/test-delete-email-d
 scripts/call-action.sh send_gmail_draft --args-file assets/test-send-gmail-draft.json --pretty
 scripts/call-action.sh send_approved_email --args-file assets/test-send-approved-email.json --pretty
 scripts/call-action.sh create_calendar_event --args-file assets/test-create-calendar-event.json --pretty
+scripts/call-action.sh list_upcoming_events --args-file assets/test-list-upcoming-events.json --pretty
+scripts/call-action.sh update_calendar_event --args-file assets/test-update-calendar-event.json --pretty
+scripts/call-action.sh delete_calendar_event --args-file assets/test-delete-calendar-event.json --pretty
 scripts/call-action.sh fetch_and_normalize_url --args '{"url":"http://192.168.153.113:18808/healthz"}' --pretty
 scripts/call-action.sh fetch_and_normalize_url --args '{"url":"https://example.com","skip_ssl_certificate_validation":true}' --pretty
 scripts/call-action.sh approval_queue_list --args '{"limit":10,"include_history":true}' --pretty
@@ -295,6 +307,56 @@ python3 scripts/resolve-approval-with-gog.py --id <approval-id> --decision appro
 }
 ```
 
+### list_upcoming_events
+
+```json
+{
+  "ok": true,
+  "request_id": "test-list-calendar-events-001",
+  "result": {
+    "action": "list_upcoming_events",
+    "status": "queued_for_approval",
+    "pending_id": "approval-pqr678",
+    "approval_status": "pending",
+    "approval": {
+      "policy": "approval_queue_resolve",
+      "required": true,
+      "mutation_level": "low"
+    }
+  }
+}
+```
+
+### update_calendar_event
+
+```json
+{
+  "ok": true,
+  "request_id": "test-update-calendar-event-001",
+  "result": {
+    "action": "update_calendar_event",
+    "status": "queued_for_approval",
+    "pending_id": "approval-stu901",
+    "approval_status": "pending"
+  }
+}
+```
+
+### delete_calendar_event
+
+```json
+{
+  "ok": true,
+  "request_id": "test-delete-calendar-event-001",
+  "result": {
+    "action": "delete_calendar_event",
+    "status": "queued_for_approval",
+    "pending_id": "approval-vwx234",
+    "approval_status": "pending"
+  }
+}
+```
+
 ### fetch_and_normalize_url
 
 ```json
@@ -339,6 +401,9 @@ Behavior:
   - `email_draft_delete` → `gog gmail drafts delete`
   - `email_draft_send` → `gog gmail drafts send`
   - `calendar_event` → `gog calendar create`
+  - `calendar_list_events` → `gog calendar events`
+  - `calendar_event_update` → `gog calendar update`
+  - `calendar_event_delete` → `gog calendar delete`
 - writes execution metadata back via `approval_history_attach_execution`
 
 Important automation note: