test(reply): replace heavy resets in media and runner helper specs

src/auto-reply/reply.block-streaming.test.ts

@@ -93,7 +93,7 @@ describe("block streaming", () => {
     piEmbeddedMock.queueEmbeddedPiMessage.mockClear().mockReturnValue(false);
     piEmbeddedMock.isEmbeddedPiRunActive.mockClear().mockReturnValue(false);
     piEmbeddedMock.isEmbeddedPiRunStreaming.mockClear().mockReturnValue(false);
-    piEmbeddedMock.runEmbeddedPiAgent.mockReset();
+    piEmbeddedMock.runEmbeddedPiAgent.mockClear();
     vi.mocked(loadModelCatalog).mockResolvedValue([
       { id: "claude-opus-4-5", name: "Opus 4.5", provider: "anthropic" },
       { id: "gpt-4.1-mini", name: "GPT-4.1 Mini", provider: "openai" },

src/auto-reply/reply.media-note.test.ts

@@ -19,7 +19,7 @@ function makeResult(text: string) {
 async function withTempHome<T>(fn: (home: string) => Promise<T>): Promise<T> {
   return withTempHomeBase(
     async (home) => {
-      vi.mocked(runEmbeddedPiAgent).mockReset();
+      vi.mocked(runEmbeddedPiAgent).mockClear();
       return await fn(home);
     },
     {

src/auto-reply/reply/agent-runner-helpers.test.ts

@@ -80,7 +80,7 @@ describe("agent runner helpers", () => {
     });
     expect(fallbackOn()).toBe(true);
 
-    hoisted.loadSessionStoreMock.mockReset();
+    hoisted.loadSessionStoreMock.mockClear();
     hoisted.loadSessionStoreMock.mockReturnValue({
       "agent:main:main": { verboseLevel: "weird" },
     });