docs(plan): scope next OpenClaw milestone for ClawHub registry

docs/plans/state.json

@@ -211,6 +211,13 @@
       "updated": "2026-02-16",
       "summary": "Completed roadmap closure for the six prioritized OpenClaw gaps: per-tier credential system v2 (API + OAuth/token), Vercel AI Gateway provider, skill safety scanner, elevated mode, Matrix adapter, and deployment targets (Nix + PaaS)."
     },
+    "clawhub-registry": {
+      "file": "2026-02-16-clawhub-registry-checklist.md",
+      "status": "planned",
+      "date": "2026-02-16",
+      "updated": "2026-02-16",
+      "summary": "Scoped the next OpenClaw-gap milestone as a phased ClawHub-style registry implementation: catalog source + validation, CLI discovery, install-by-id via existing scanner pipeline, and docs/doctor visibility."
+    },
     "credential-system-v2-api-and-oauth": {
       "file": "2026-02-15-credential-system-v2-api-and-oauth-checklist.md",
       "status": "completed",
@@ -2750,7 +2757,7 @@
     "gmail_auth_cli": "flynn gmail-auth command implemented with OAuth2 flow, doctor check, config routed to Telegram",
     "native_audio_support": "completed — smart routing for native audio (Gemini/OpenAI/GitHub) vs Whisper transcription fallback",
     "remaining_phases_completion": "Phase 1: 3/3 (100%) — context levels, command registry, memory structure. Phase 2: 3/3 (100%) — component registry, confidence routing, history index. Phase 3: 2/2 (100%) — adaptive memory/compaction, truthfulness/autonomy hardening",
-    "next_up": "Pick the next OpenClaw gap milestone and create a scoped checklist (candidates: ClawHub registry, Bonjour/mDNS discovery, synthetic provider)"
+    "next_up": "Implement ClawHub registry milestone checklist (Phase 1: registry source/types and validation)"
   },
   "soul_md_and_cron_create": {
     "date": "2026-02-11",