docs: 优化审查提示词，禁止 subagent 读取文件，明确 apply 阶段不动主规范

config.yaml: subagent 限定为计算密集/多步骤任务，文件读取用 Read 工具
prompt-proposal-review.md: 收集阶段加入读取约束和分步策略，复核补全待澄清清单
prompt-apply-review.md: 禁止同步主规范，新增 Spec 覆盖完整性扫描与补充流程

tests/server/app.test.ts

@@ -421,29 +421,35 @@ describe("API 路由", () => {
   });
 
   test("损坏的 failure JSON 返回 null 而不崩溃", async () => {
-    const targets = store.getTargets();
-    const t1Id = targets[0]!.id;
+    const originalWarn = console.warn;
+    console.warn = () => undefined;
+    try {
+      const targets = store.getTargets();
+      const t1Id = targets[0]!.id;
 
-    store.insertCheckResult({
-      durationMs: 100,
-      failure: { kind: "error", message: "test", path: "$", phase: "body" },
-      matched: false,
-      observation: null,
-      targetId: t1Id,
-      timestamp: "2025-06-01T00:00:00.000Z",
-    });
+      store.insertCheckResult({
+        durationMs: 100,
+        failure: { kind: "error", message: "test", path: "$", phase: "body" },
+        matched: false,
+        observation: null,
+        targetId: t1Id,
+        timestamp: "2025-06-01T00:00:00.000Z",
+      });
 
-    (store as unknown as { db: { prepare: (sql: string) => { run: (...args: unknown[]) => void } } }).db
-      .prepare("UPDATE check_results SET failure = ? WHERE target_id = ? AND timestamp = ?")
-      .run("{invalid json!!!", t1Id, "2025-06-01T00:00:00.000Z");
+      (store as unknown as { db: { prepare: (sql: string) => { run: (...args: unknown[]) => void } } }).db
+        .prepare("UPDATE check_results SET failure = ? WHERE target_id = ? AND timestamp = ?")
+        .run("{invalid json!!!", t1Id, "2025-06-01T00:00:00.000Z");
 
-    const from = "2025-06-01T00:00:00.000Z";
-    const to = "2025-06-01T23:59:59.999Z";
-    const response = await fetch(`${baseUrl}/api/targets/${t1Id}/history?from=${from}&to=${to}`);
-    const body = (await response.json()) as HistoryResponse;
+      const from = "2025-06-01T00:00:00.000Z";
+      const to = "2025-06-01T23:59:59.999Z";
+      const response = await fetch(`${baseUrl}/api/targets/${t1Id}/history?from=${from}&to=${to}`);
+      const body = (await response.json()) as HistoryResponse;
 
-    expect(response.status).toBe(200);
-    expect(body.items).toHaveLength(1);
-    expect(body.items[0]!.failure).toBeNull();
+      expect(response.status).toBe(200);
+      expect(body.items).toHaveLength(1);
+      expect(body.items[0]!.failure).toBeNull();
+    } finally {
+      console.warn = originalWarn;
+    }
   });
 });