fix(routing): preserve explicit cron account and bound message defaults

Co-authored-by: lbo728 <72309817+lbo728@users.noreply.github.com>
Co-authored-by: stakeswky <64798754+stakeswky@users.noreply.github.com>

src/infra/outbound/message-action-runner.test.ts

@@ -1021,4 +1021,32 @@ describe("runMessageAction accountId defaults", () => {
     expect(ctx.accountId).toBe("ops");
     expect(ctx.params.accountId).toBe("ops");
   });
+
+  it("falls back to the agent's bound account when accountId is omitted", async () => {
+    await runMessageAction({
+      cfg: {
+        bindings: [{ agentId: "agent-b", match: { channel: "discord", accountId: "account-b" } }],
+      } as OpenClawConfig,
+      action: "send",
+      params: {
+        channel: "discord",
+        target: "channel:123",
+        message: "hi",
+      },
+      agentId: "agent-b",
+    });
+
+    expect(handleAction).toHaveBeenCalled();
+    const ctx = (handleAction.mock.calls as unknown as Array<[unknown]>)[0]?.[0] as
+      | {
+          accountId?: string | null;
+          params: Record<string, unknown>;
+        }
+      | undefined;
+    if (!ctx) {
+      throw new Error("expected action context");
+    }
+    expect(ctx.accountId).toBe("account-b");
+    expect(ctx.params.accountId).toBe("account-b");
+  });
 });

src/infra/outbound/message-action-runner.ts

@@ -14,6 +14,8 @@ import type {
 } from "../../channels/plugins/types.js";
 import type { OpenClawConfig } from "../../config/config.js";
 import { getAgentScopedMediaLocalRoots } from "../../media/local-roots.js";
+import { buildChannelAccountBindings } from "../../routing/bindings.js";
+import { normalizeAgentId } from "../../routing/session-key.js";
 import {
   isDeliverableMessageChannel,
   normalizeMessageChannel,
@@ -753,7 +755,14 @@ export async function runMessageAction(
   }
 
   const channel = await resolveChannel(cfg, params);
-  const accountId = readStringParam(params, "accountId") ?? input.defaultAccountId;
+  let accountId = readStringParam(params, "accountId") ?? input.defaultAccountId;
+  if (!accountId && resolvedAgentId) {
+    const byAgent = buildChannelAccountBindings(cfg).get(channel);
+    const boundAccountIds = byAgent?.get(normalizeAgentId(resolvedAgentId));
+    if (boundAccountIds && boundAccountIds.length > 0) {
+      accountId = boundAccountIds[0];
+    }
+  }
   if (accountId) {
     params.accountId = accountId;
   }