fix: resolve extension typecheck errors in test files

- await-tool.test.ts: widen getTextFromResult param to accept ImageContent (text optional)
- auto-loop.test.ts: add missing rebuildState and resolveModelId to LoopDeps mock

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/resources/extensions/async-jobs/await-tool.test.ts

@@ -7,8 +7,8 @@ import assert from "node:assert/strict";
 import { AsyncJobManager } from "./job-manager.ts";
 import { createAwaitTool } from "./await-tool.ts";
 
-function getTextFromResult(result: { content: Array<{ type: string; text: string }> }): string {
-	return result.content.map((c) => c.text).join("\n");
+function getTextFromResult(result: { content: Array<{ type: string; text?: string }> }): string {
+	return result.content.map((c) => c.text ?? "").join("\n");
 }
 
 const noopSignal = new AbortController().signal;

src/resources/extensions/gsd/tests/auto-loop.test.ts

@@ -414,6 +414,8 @@ function makeMockDeps(
       return "continue" as const;
     },
     getSessionFile: () => "/tmp/session.json",
+    rebuildState: async () => {},
+    resolveModelId: (id: string, models: any[]) => models.find((m: any) => m.id === id),
   };
 
   const merged = { ...baseDeps, ...overrides, callLog };