fix(agent): preserve default-agent session routing compatibility (#72414)

* fix(agent): preserve default-agent session routing compatibility

* fix(clownfish): address review for ghcrawl-207038-agentic-merge (1)

* fix(agent): migrate legacy default-agent sessions

* fix(slack): use narrow agent runtime import

extensions/slack/src/monitor/context.ts

@@ -7,6 +7,7 @@ import type {
 import type { SessionScope } from "openclaw/plugin-sdk/config-types";
 import type { DmPolicy, GroupPolicy } from "openclaw/plugin-sdk/config-types";
 import { createDedupeCache } from "openclaw/plugin-sdk/dedupe-runtime";
+import { resolveDefaultAgentId } from "openclaw/plugin-sdk/agent-runtime";
 import { formatErrorMessage } from "openclaw/plugin-sdk/error-runtime";
 import type { HistoryEntry } from "openclaw/plugin-sdk/reply-history";
 import { resolveAgentRoute } from "openclaw/plugin-sdk/routing";
@@ -218,6 +219,7 @@ export function createSlackMonitorContext(params: {
       params.sessionScope,
       { From: from, ChatType: chatType, Provider: "slack" },
       params.mainKey,
+      resolveDefaultAgentId(params.cfg),
     );
   };
 

extensions/slack/src/monitor/monitor.test.ts

@@ -196,6 +196,18 @@ describe("resolveSlackSystemEventSessionKey", () => {
     );
   });
 
+  it("uses the configured default agent for fallback system-event sessions", () => {
+    const ctx = createSlackMonitorContext({
+      ...baseParams(),
+      cfg: {
+        agents: { list: [{ id: "ops", default: true }] },
+      },
+    });
+    expect(ctx.resolveSlackSystemEventSessionKey({ channelId: "C123" })).toBe(
+      "agent:ops:slack:channel:c123",
+    );
+  });
+
   it("routes channel system events through account bindings", () => {
     const ctx = createSlackMonitorContext({
       ...baseParams(),