feat(session): add optional end-of-session summarization

src/gateway/session-bridge.ts

@@ -8,6 +8,7 @@ import { AgentOrchestrator, type DelegationConfig } from '../backends/native/orc
 import type { ToolUseEvent } from '../backends/native/agent.js';
 import type { MemoryStore } from '../memory/store.js';
 import type { Config } from '../config/index.js';
+import { summarizeSessionOnEnd, type SessionEndSummaryConfig } from '../session/endSummary.js';
 
 export interface SessionBridgeConfig {
   sessionManager: SessionManager;
@@ -59,6 +60,29 @@ export class SessionBridge {
       const otherClients = Array.from(this.clients.values())
         .filter(c => c.sessionId === client.sessionId && c.connectionId !== connectionId);
       if (otherClients.length === 0) {
+        const agent = this.agents.get(client.sessionId);
+        const summaryConfig = this.config.config?.sessions?.end_summary;
+        if (agent && summaryConfig?.enabled) {
+          const history = agent.getHistory();
+          const mappedConfig: SessionEndSummaryConfig = {
+            enabled: summaryConfig.enabled,
+            tier: summaryConfig.tier,
+            maxMessages: summaryConfig.max_messages,
+            maxInputChars: summaryConfig.max_input_chars,
+            maxTokens: summaryConfig.max_tokens,
+            writeToMemory: summaryConfig.write_to_memory,
+            memoryNamespace: summaryConfig.memory_namespace,
+          };
+          void summarizeSessionOnEnd({
+            agent,
+            sessionId: client.sessionId,
+            history,
+            config: mappedConfig,
+            memoryStore: this.config.memoryStore,
+          }).catch((error) => {
+            console.warn('Session end summary failed:', error);
+          });
+        }
         this.agents.delete(client.sessionId);
       }
       this.clients.delete(connectionId);