Add live skill refresh notifications

codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.schemas.json

@@ -6294,6 +6294,26 @@
           "title": "App/list/updatedNotification",
           "type": "object"
         },
+        {
+          "properties": {
+            "method": {
+              "enum": [
+                "skills/updated"
+              ],
+              "title": "Skills/updatedNotificationMethod",
+              "type": "string"
+            },
+            "params": {
+              "$ref": "#/definitions/v2/SkillsUpdatedNotification"
+            }
+          },
+          "required": [
+            "method",
+            "params"
+          ],
+          "title": "Skills/updatedNotification",
+          "type": "object"
+        },
         {
           "properties": {
             "method": {
@@ -12207,6 +12227,12 @@
         "title": "SkillsRemoteWriteResponse",
         "type": "object"
       },
+      "SkillsUpdatedNotification": {
+        "$schema": "http://json-schema.org/draft-07/schema#",
+        "description": "Notification emitted when local skill files or skill configuration changes.",
+        "title": "SkillsUpdatedNotification",
+        "type": "object"
+      },
       "SubAgentSource": {
         "oneOf": [
           {