feat(ql3): compare bounded task run outcomes

packages/ql3-local-mcp-server/test/stdio.e2e.test.cjs

@@ -90,6 +90,44 @@ async function fixture(t) {
       priority: 1,
       createdAtMs: NOW - 3_000,
     });
+    await transaction.insertRun({
+      id: 'run-mcp-e2e-success',
+      projectId: 'default',
+      taskId: 'task-mcp',
+      taskRevision: 'revision-3',
+      taskName: 'MCP successful baseline',
+      triggerType: 'manual',
+      executionOrigin: 'manual',
+      executionOwner: 'runtime',
+      triggeredBy: 'user:mcp-owner',
+      status: 'succeeded',
+      version: 0,
+      eventSequence: 0,
+      priority: 0,
+      createdAtMs: NOW - 4_000,
+      queuedAtMs: NOW - 3_900,
+      startedAtMs: NOW - 3_800,
+      finishedAtMs: NOW - 3_600,
+    });
+    await transaction.insertRun({
+      id: 'run-mcp-e2e-failure',
+      projectId: 'default',
+      taskId: 'task-mcp',
+      taskRevision: 'revision-4',
+      taskName: 'MCP failed candidate',
+      triggerType: 'manual',
+      executionOrigin: 'manual',
+      executionOwner: 'runtime',
+      triggeredBy: 'user:mcp-owner',
+      status: 'failed',
+      version: 0,
+      eventSequence: 0,
+      priority: 2,
+      createdAtMs: NOW - 5_000,
+      queuedAtMs: NOW - 4_850,
+      startedAtMs: NOW - 4_700,
+      finishedAtMs: NOW - 4_300,
+    });
     await transaction.appendEvent({
       id: 'mcp-e2e-event-1',
       runId: 'run-mcp-e2e',
@@ -473,6 +511,7 @@ test('serves the authenticated Run Tool over the real stdio protocol and persist
       'qinglong.run.list',
       'qinglong.run.get',
       'qinglong.run.compare',
+      'qinglong.task.runs.compare',
       'qinglong.run.events.list',
       'qinglong.run.steps.list',
       'qinglong.task.get',
@@ -684,6 +723,67 @@ test('serves the authenticated Run Tool over the real stdio protocol and persist
     changedFields: ['taskRevision', 'priority'],
     consistency: 'ordered_independent_point_reads',
   });
+  const comparedOutcomes = await request('tools/call', {
+    name: 'qinglong.task.runs.compare',
+    arguments: { taskId: 'task-mcp' },
+  });
+  assert.equal(
+    comparedOutcomes.result.isError,
+    undefined,
+    JSON.stringify(comparedOutcomes),
+  );
+  assert.deepEqual(comparedOutcomes.result.structuredContent, {
+    taskId: 'task-mcp',
+    baselineOutcome: 'succeeded',
+    candidateOutcome: 'failed',
+    baseline: {
+      found: true,
+      id: 'run-mcp-e2e-success',
+      taskId: 'task-mcp',
+      taskRevision: 'revision-3',
+      status: 'succeeded',
+      version: 0,
+      eventSequence: 0,
+      priority: 0,
+      executionOrigin: 'manual',
+      executionOwner: 'runtime',
+      createdAtMs: NOW - 4_000,
+      queuedAtMs: NOW - 3_900,
+      startedAtMs: NOW - 3_800,
+      finishedAtMs: NOW - 3_600,
+    },
+    candidate: {
+      found: true,
+      id: 'run-mcp-e2e-failure',
+      taskId: 'task-mcp',
+      taskRevision: 'revision-4',
+      status: 'failed',
+      version: 0,
+      eventSequence: 0,
+      priority: 2,
+      executionOrigin: 'manual',
+      executionOwner: 'runtime',
+      createdAtMs: NOW - 5_000,
+      queuedAtMs: NOW - 4_850,
+      startedAtMs: NOW - 4_700,
+      finishedAtMs: NOW - 4_300,
+    },
+    comparable: true,
+    sameTask: true,
+    sameTaskRevision: false,
+    changedFields: ['taskRevision', 'status', 'priority'],
+    queueDelayDeltaMs: 50,
+    executionDurationDeltaMs: 200,
+    totalDurationDeltaMs: 300,
+    consistency: 'bounded_task_window_then_ordered_point_reads',
+    selection: {
+      windowLimit: 64,
+      searchedRunCount: 4,
+      hasOlderRuns: false,
+      complete: true,
+      order: 'created_at_desc_id_desc',
+    },
+  });
   const events = await request('tools/call', {
     name: 'qinglong.run.events.list',
     arguments: { runId: 'run-mcp-e2e', limit: 1 },
@@ -765,6 +865,11 @@ test('serves the authenticated Run Tool over the real stdio protocol and persist
           outcome: 'allowed',
           subjectId: 'mcp-user',
         },
+        {
+          operationId: 'mcp.tool.call',
+          outcome: 'allowed',
+          subjectId: 'mcp-user',
+        },
       ],
     );
   } finally {