fix(models): normalize provider runtime selection (#71259)

* fix(models): normalize provider runtime selection

* fix(models): reverse codex-only runtime migration

* fix(models): default runtime selection to pi

* fix(status): label model runtime clearly

* fix(status): align pi runtime label

* fix(plugins): align tool result middleware runtime naming

* fix(models): validate runtime overrides

extensions/codex/src/app-server/dynamic-tools.test.ts

@@ -225,7 +225,7 @@ describe("createCodexDynamicToolBridge", () => {
       pluginName: "Tokenjuice",
       rawHandler: handler,
       handler,
-      harnesses: ["codex-app-server"],
+      runtimes: ["codex"],
       source: "test",
     });
     setActivePluginRegistry(registry);
@@ -253,7 +253,7 @@ describe("createCodexDynamicToolBridge", () => {
         toolName: "exec",
         args: { command: "git status" },
       }),
-      expect.objectContaining({ harness: "codex-app-server" }),
+      expect.objectContaining({ runtime: "codex" }),
     );
   });
 
@@ -265,7 +265,7 @@ describe("createCodexDynamicToolBridge", () => {
       pluginName: "Tokenjuice",
       rawHandler: handler,
       handler,
-      harnesses: ["codex-app-server"],
+      runtimes: ["codex"],
       source: "test",
     });
     setActivePluginRegistry(registry);
@@ -286,7 +286,7 @@ describe("createCodexDynamicToolBridge", () => {
 
     expect(handler).toHaveBeenCalledWith(
       expect.objectContaining({ isError: true }),
-      expect.objectContaining({ harness: "codex-app-server" }),
+      expect.objectContaining({ runtime: "codex" }),
     );
   });
 
@@ -308,7 +308,7 @@ describe("createCodexDynamicToolBridge", () => {
       pluginName: "Tokenjuice",
       rawHandler: handler,
       handler,
-      harnesses: ["codex-app-server"],
+      runtimes: ["codex"],
       source: "test",
     });
     setActivePluginRegistry(registry);
@@ -583,7 +583,7 @@ describe("createCodexDynamicToolBridge", () => {
       pluginName: "Tokenjuice",
       rawHandler: handler,
       handler,
-      harnesses: ["codex-app-server"],
+      runtimes: ["codex"],
       source: "test",
     });
     setActivePluginRegistry(registry);

extensions/codex/src/app-server/dynamic-tools.ts

@@ -60,7 +60,7 @@ export function createCodexDynamicToolBridge(params: {
     toolAudioAsVoice: false,
   };
   const middlewareRunner = createAgentToolResultMiddlewareRunner({
-    harness: "codex-app-server",
+    runtime: "codex",
     ...params.hookContext,
   });
   const legacyExtensionRunner = createCodexAppServerToolResultExtensionRunner(