Add native Codex hooks integration (#2319)

* Add native Codex hooks integration

* Address Codex review feedback

* Use durable Codex marketplace root

* Address Codex file context review feedback

* Harden Codex installer review paths

* Report Codex legacy cleanup failures

* fix: keep MCP manifests in marketplace sync

* fix: bundle zod in MCP server

* fix: warn on Codex legacy cleanup failure

* Fix hook observation readiness timeouts

* Address Codex hook review notes

* Tighten Codex MCP file context matching

* Resolve final Codex review nits

* Add Codex marketplace version guidance

* Reset worker failure counter on API fallback

* Fix Codex cat flag file extraction

.mcp.json

@@ -1,3 +1,12 @@
 {
-  "mcpServers": {}
+  "mcpServers": {
+    "mcp-search": {
+      "type": "stdio",
+      "command": "sh",
+      "args": [
+        "-c",
+        "_R=\"${CLAUDE_PLUGIN_ROOT:-$PLUGIN_ROOT}\"; [ -d \"$_R/plugin/scripts\" ] && _P=\"$_R/plugin\" || _P=\"$_R\"; exec node \"$_P/scripts/mcp-server.cjs\""
+      ]
+    }
+  }
 }