fix(slack): scope attachment extraction to forwarded shares

src/slack/monitor/message-handler/prepare.test.ts

@@ -1,16 +1,16 @@
+import type { App } from "@slack/bolt";
 import fs from "node:fs";
 import os from "node:os";
 import path from "node:path";
-import type { App } from "@slack/bolt";
 import { afterAll, beforeAll, describe, expect, it, vi } from "vitest";
-import { expectInboundContextContract } from "../../../../test/helpers/inbound-contract.js";
 import type { OpenClawConfig } from "../../../config/config.js";
-import { resolveAgentRoute } from "../../../routing/resolve-route.js";
-import { resolveThreadSessionKeys } from "../../../routing/session-key.js";
 import type { RuntimeEnv } from "../../../runtime.js";
 import type { ResolvedSlackAccount } from "../../accounts.js";
 import type { SlackMessageEvent } from "../../types.js";
 import type { SlackMonitorContext } from "../context.js";
+import { expectInboundContextContract } from "../../../../test/helpers/inbound-contract.js";
+import { resolveAgentRoute } from "../../../routing/resolve-route.js";
+import { resolveThreadSessionKeys } from "../../../routing/session-key.js";
 import { createSlackMonitorContext } from "../context.js";
 import { prepareSlackMessage } from "./prepare.js";
 
@@ -184,6 +184,30 @@ describe("slack prepareSlackMessage inbound contract", () => {
     expectInboundContextContract(prepared!.ctxPayload as any);
   });
 
+  it("includes forwarded shared attachment text in raw body", async () => {
+    const prepared = await prepareWithDefaultCtx(
+      createSlackMessage({
+        text: "",
+        attachments: [{ is_share: true, author_name: "Bob", text: "Forwarded hello" }],
+      }),
+    );
+
+    expect(prepared).toBeTruthy();
+    expect(prepared!.ctxPayload.RawBody).toContain("[Forwarded message from Bob]\nForwarded hello");
+  });
+
+  it("ignores non-forward attachments when no direct text/files are present", async () => {
+    const prepared = await prepareWithDefaultCtx(
+      createSlackMessage({
+        text: "",
+        files: [],
+        attachments: [{ is_msg_unfurl: true, text: "link unfurl text" }],
+      }),
+    );
+
+    expect(prepared).toBeNull();
+  });
+
   it("keeps channel metadata out of GroupSystemPrompt", async () => {
     const slackCtx = createInboundSlackCtx({
       cfg: {