fix: align bluebubbles outbound group sessions

src/infra/outbound/outbound-session.test.ts

@@ -68,6 +68,18 @@ describe("resolveOutboundSessionRoute", () => {
     expect(route?.sessionKey).toBe("agent:main:dm:alice");
   });
 
+  it("strips chat_* prefixes for BlueBubbles group session keys", async () => {
+    const route = await resolveOutboundSessionRoute({
+      cfg: baseConfig,
+      channel: "bluebubbles",
+      agentId: "main",
+      target: "chat_guid:ABC123",
+    });
+
+    expect(route?.sessionKey).toBe("agent:main:bluebubbles:group:abc123");
+    expect(route?.from).toBe("group:ABC123");
+  });
+
   it("treats Zalo Personal DM targets as direct sessions", async () => {
     const cfg = { session: { dmScope: "per-channel-peer" } } as ClawdbotConfig;
     const route = await resolveOutboundSessionRoute({

src/infra/outbound/outbound-session.ts

@@ -545,9 +545,13 @@ function resolveBlueBubblesSession(
     lower.startsWith("chat_guid:") ||
     lower.startsWith("chat_identifier:") ||
     lower.startsWith("group:");
-  const peerId = isGroup
+  const rawPeerId = isGroup
     ? stripKindPrefix(stripped)
     : stripped.replace(/^(imessage|sms|auto):/i, "");
+  // BlueBubbles inbound group ids omit chat_* prefixes; strip them to align sessions.
+  const peerId = isGroup
+    ? rawPeerId.replace(/^(chat_id|chat_guid|chat_identifier):/i, "")
+    : rawPeerId;
   if (!peerId) return null;
   const peer: RoutePeer = {
     kind: isGroup ? "group" : "dm",