docs(imessage): document bluebubbles deprecation

scripts/github/barnacle-auto-response.mjs

@@ -60,6 +60,13 @@ const rules = [
     close: true,
     message: thirdPartyExtensionMessage,
   },
+  {
+    label: "r: bluebubbles",
+    close: true,
+    commentTriggers: ["bluebubbles", "blue bubbles"],
+    message:
+      "BlueBubbles is deprecated and no longer ships as a bundled OpenClaw channel. Use iMessage via `imsg` instead: https://docs.openclaw.ai/channels/imessage. If this needs to stay BlueBubbles-backed, publish it as a third-party plugin on ClawHub instead of adding it back to core.",
+  },
   {
     label: "r: moltbook",
     close: true,
@@ -104,6 +111,10 @@ export const managedLabelSpecs = {
     color: "5319E7",
     description: "Auto-close: third-party plugins/capabilities belong on ClawHub.",
   },
+  "r: bluebubbles": {
+    color: "D93F0B",
+    description: "Auto-close: BlueBubbles is deprecated; use iMessage via imsg or ClawHub.",
+  },
   "r: moltbook": {
     color: "B60205",
     description: "Auto-close and lock: Moltbook is off-topic for OpenClaw.",