Add remote skill scope/product_surface/enabled params and cleanup (#11801)

skills/remote/list: params=hazelnutScope, productSurface, enabled;
returns=data: { id, name, description }[]
skills/remote/export: params=hazelnutId; returns={ id, path }

codex-rs/app-server-protocol/schema/json/v2/SkillsRemoteReadParams.json

@@ -1,5 +1,47 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
+  "definitions": {
+    "HazelnutScope": {
+      "enum": [
+        "example",
+        "workspace-shared",
+        "all-shared",
+        "personal"
+      ],
+      "type": "string"
+    },
+    "ProductSurface": {
+      "enum": [
+        "chatgpt",
+        "codex",
+        "api",
+        "atlas"
+      ],
+      "type": "string"
+    }
+  },
+  "properties": {
+    "enabled": {
+      "default": false,
+      "type": "boolean"
+    },
+    "hazelnutScope": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/HazelnutScope"
+        }
+      ],
+      "default": "example"
+    },
+    "productSurface": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/ProductSurface"
+        }
+      ],
+      "default": "codex"
+    }
+  },
   "title": "SkillsRemoteReadParams",
   "type": "object"
-}
+}

codex-rs/app-server-protocol/schema/json/v2/SkillsRemoteWriteParams.json

@@ -3,14 +3,10 @@
   "properties": {
     "hazelnutId": {
       "type": "string"
-    },
-    "isPreload": {
-      "type": "boolean"
     }
   },
   "required": [
-    "hazelnutId",
-    "isPreload"
+    "hazelnutId"
   ],
   "title": "SkillsRemoteWriteParams",
   "type": "object"

codex-rs/app-server-protocol/schema/json/v2/SkillsRemoteWriteResponse.json

@@ -4,18 +4,14 @@
     "id": {
       "type": "string"
     },
-    "name": {
-      "type": "string"
-    },
     "path": {
       "type": "string"
     }
   },
   "required": [
     "id",
-    "name",
     "path"
   ],
   "title": "SkillsRemoteWriteResponse",
   "type": "object"
-}
+}