support plugin/list. (#13540)

Introduce a plugin/list which reads from local marketplace.json.
Also update the signature for plugin/install.

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

@@ -1,21 +1,21 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
-  "properties": {
-    "cwd": {
-      "type": [
-        "string",
-        "null"
-      ]
-    },
-    "marketplaceName": {
+  "definitions": {
+    "AbsolutePathBuf": {
+      "description": "A path that is guaranteed to be absolute and normalized (though it is not guaranteed to be canonicalized or exist on the filesystem).\n\nIMPORTANT: When deserializing an `AbsolutePathBuf`, a base path must be set using [AbsolutePathBufGuard::new]. If no base path is set, the deserialization will fail unless the path being deserialized is already absolute.",
       "type": "string"
+    }
+  },
+  "properties": {
+    "marketplacePath": {
+      "$ref": "#/definitions/AbsolutePathBuf"
     },
     "pluginName": {
       "type": "string"
     }
   },
   "required": [
-    "marketplaceName",
+    "marketplacePath",
     "pluginName"
   ],
   "title": "PluginInstallParams",

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

@@ -0,0 +1,23 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "definitions": {
+    "AbsolutePathBuf": {
+      "description": "A path that is guaranteed to be absolute and normalized (though it is not guaranteed to be canonicalized or exist on the filesystem).\n\nIMPORTANT: When deserializing an `AbsolutePathBuf`, a base path must be set using [AbsolutePathBufGuard::new]. If no base path is set, the deserialization will fail unless the path being deserialized is already absolute.",
+      "type": "string"
+    }
+  },
+  "properties": {
+    "cwds": {
+      "description": "Optional working directories used to discover repo marketplaces. When omitted, only home-scoped marketplaces are considered.",
+      "items": {
+        "$ref": "#/definitions/AbsolutePathBuf"
+      },
+      "type": [
+        "array",
+        "null"
+      ]
+    }
+  },
+  "title": "PluginListParams",
+  "type": "object"
+}

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

@@ -0,0 +1,83 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "definitions": {
+    "PluginMarketplaceEntry": {
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "path": {
+          "type": "string"
+        },
+        "plugins": {
+          "items": {
+            "$ref": "#/definitions/PluginSummary"
+          },
+          "type": "array"
+        }
+      },
+      "required": [
+        "name",
+        "path",
+        "plugins"
+      ],
+      "type": "object"
+    },
+    "PluginSource": {
+      "oneOf": [
+        {
+          "properties": {
+            "path": {
+              "type": "string"
+            },
+            "type": {
+              "enum": [
+                "local"
+              ],
+              "title": "LocalPluginSourceType",
+              "type": "string"
+            }
+          },
+          "required": [
+            "path",
+            "type"
+          ],
+          "title": "LocalPluginSource",
+          "type": "object"
+        }
+      ]
+    },
+    "PluginSummary": {
+      "properties": {
+        "enabled": {
+          "type": "boolean"
+        },
+        "name": {
+          "type": "string"
+        },
+        "source": {
+          "$ref": "#/definitions/PluginSource"
+        }
+      },
+      "required": [
+        "enabled",
+        "name",
+        "source"
+      ],
+      "type": "object"
+    }
+  },
+  "properties": {
+    "marketplaces": {
+      "items": {
+        "$ref": "#/definitions/PluginMarketplaceEntry"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "marketplaces"
+  ],
+  "title": "PluginListResponse",
+  "type": "object"
+}