diff --git a/packages/pulse/src/workflows/coding.test.ts b/packages/pulse/src/workflows/coding.test.ts
index a5a095d..50868a2 100644
--- a/packages/pulse/src/workflows/coding.test.ts
+++ b/packages/pulse/src/workflows/coding.test.ts
@@ -207,4 +207,29 @@ describe('CodingTask WorkflowType', () => {
       rmSync(logTmpDir, { recursive: true, force: true });
     }
   });
+
+  it('limits.maxRounds is declared as 15', () => {
+    const wf = createCodingWorkflow();
+    expect(wf.limits?.maxRounds).toBe(15);
+  });
+
+  it('moderator: remainingRounds <= 1 forces closer even if reviewer rejected', () => {
+    const wf = createCodingWorkflow();
+    const result = wf.moderator(
+      { role: 'reviewer', meta: { verdict: 'rejected', rejectionReason: [], retryCount: 0 } },
+      'topic-1',
+      1  // remainingRounds = 1, 紧急收敛
+    );
+    expect(result).toBe('closer');
+  });
+
+  it('moderator: remainingRounds > 1 keeps normal retry logic', () => {
+    const wf = createCodingWorkflow();
+    const result = wf.moderator(
+      { role: 'reviewer', meta: { verdict: 'rejected', rejectionReason: [], retryCount: 0 } },
+      'topic-1',
+      5  // 还有余量，正常 retry
+    );
+    expect(result).toBe('coder');
+  });
 });
diff --git a/packages/pulse/src/workflows/coding.ts b/packages/pulse/src/workflows/coding.ts
index bd067fd..43a8f87 100644
--- a/packages/pulse/src/workflows/coding.ts
+++ b/packages/pulse/src/workflows/coding.ts
@@ -95,6 +95,7 @@ type CodingInput = ModeratorInput<CodingRoles>;
 function codingModerator(
   output: CodingInput,
   _topicId: string,
+  remainingRounds?: number,
 ): keyof CodingRoles | typeof END {
   if (output.role === START) return 'architect';
   switch (output.role) {
@@ -103,6 +104,7 @@ function codingModerator(
     case 'coder':
       return 'reviewer';
     case 'reviewer': {
+      if (remainingRounds !== undefined && remainingRounds <= 1) return 'closer';
       const rejected = output.meta?.verdict === 'rejected';
       const retryCount = output.meta?.retryCount ?? 0;
       return rejected && retryCount < 3 ? 'coder' : 'closer';
@@ -129,5 +131,6 @@ export function createCodingWorkflow(opts?: {
       closer: defaultCloser,
     },
     moderator: codingModerator,
+    limits: { maxRounds: 15 },
   };
 }