fix: strip envelopes in chat history

src/gateway/server.chat.gateway-server-chat.test.ts

@@ -303,6 +303,47 @@ describe("gateway server chat", () => {
     await server.close();
   });
 
+  test("chat.history strips inbound envelopes for user messages", async () => {
+    const dir = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-gw-"));
+    testState.sessionStorePath = path.join(dir, "sessions.json");
+    await writeSessionStore({
+      entries: {
+        main: {
+          sessionId: "sess-main",
+          updatedAt: Date.now(),
+        },
+      },
+    });
+
+    const enveloped = "[WebChat agent:main:main +2m 2026-01-19 09:29 UTC] hello world";
+    await fs.writeFile(
+      path.join(dir, "sess-main.jsonl"),
+      JSON.stringify({
+        message: {
+          role: "user",
+          content: [{ type: "text", text: enveloped }],
+          timestamp: Date.now(),
+        },
+      }),
+      "utf-8",
+    );
+
+    const { server, ws } = await startServerWithClient();
+    await connectOk(ws);
+
+    const res = await rpcReq<{ messages?: unknown[] }>(ws, "chat.history", {
+      sessionKey: "main",
+    });
+    expect(res.ok).toBe(true);
+    const message = (res.payload?.messages ?? [])[0] as
+      | { content?: Array<{ text?: string }> }
+      | undefined;
+    expect(message?.content?.[0]?.text).toBe("hello world");
+
+    ws.close();
+    await server.close();
+  });
+
   test("chat.history prefers sessionFile when set", async () => {
     const dir = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-gw-"));
     testState.sessionStorePath = path.join(dir, "sessions.json");