feat(memory): add gated agent recall and lifecycle controls

agent-run-gateway.test.mjs

@@ -1001,8 +1001,21 @@ test('agent run uses chat intent router to enrich agent orchestration messages',
           source: 'llm',
         };
       },
-      applyAgentOrchestration(userMessage, classification, { grantedSkills = [] }) {
+      async resolveAgentMemoryContext() {
+        return {
+          enabled: true,
+          mode: 'shadow',
+          injectionEnabled: false,
+          skipped: false,
+          memories: [{ label: 'preference', text: '用户喜欢完整方案' }],
+          source: 'legacy-conversation-memory',
+          latencyMs: 1,
+        };
+      },
+      applyAgentOrchestration(userMessage, classification, { grantedSkills = [], memoryContext = null }) {
         const displayText = userMessage?.metadata?.displayText ?? userMessage?.content?.[0]?.text ?? '';
+        assert.equal(memoryContext?.mode, 'shadow');
+        assert.equal(memoryContext?.injectionEnabled, false);
         return {
           ...userMessage,
           content: [{
@@ -1033,6 +1046,7 @@ test('agent run uses chat intent router to enrich agent orchestration messages',
   assert.match(submitted[0].userMessage.content[0].text, /Memind 任务编排/);
   assert.match(submitted[0].userMessage.content[0].text, /帮我做一个页面/);
   assert.ok(pool.events.some((event) => event.eventType === 'intent_routed'));
+  assert.ok(pool.events.some((event) => event.eventType === 'agent_memory_resolved'));
 });
 
 test('agent run escalates direct sessions to a new backend session when forced', async () => {