Threads: add Slack/Discord thread sessions

src/discord/monitor.tool-result.test.ts

@@ -167,4 +167,107 @@ describe("discord tool result dispatch", () => {
     expect(dispatchMock).toHaveBeenCalledTimes(1);
     expect(sendMock).toHaveBeenCalledTimes(1);
   }, 10000);
+
+  });
+
+  it("forks thread sessions and injects starter context", async () => {
+    const { createDiscordMessageHandler } = await import("./monitor.js");
+    const { resolveSessionKey } = await import("../config/sessions.js");
+    vi.mocked(resolveSessionKey).mockReturnValue("discord:parent:p1");
+
+    let capturedCtx:
+      | {
+          SessionKey?: string;
+          ParentSessionKey?: string;
+          ThreadStarterBody?: string;
+          ThreadLabel?: string;
+        }
+      | undefined;
+    dispatchMock.mockImplementationOnce(async ({ ctx, dispatcher }) => {
+      capturedCtx = ctx;
+      dispatcher.sendFinalReply({ text: "hi" });
+      return { queuedFinal: true, counts: { final: 1 } };
+    });
+
+    const cfg = {
+      agent: { model: "anthropic/claude-opus-4-5", workspace: "/tmp/clawd" },
+      session: { store: "/tmp/clawdbot-sessions.json" },
+      messages: { responsePrefix: "PFX" },
+      discord: {
+        dm: { enabled: true, policy: "open" },
+        guilds: { "*": { requireMention: false } },
+      },
+      routing: { allowFrom: [] },
+    } as ReturnType<typeof import("../config/config.js").loadConfig>;
+
+    const handler = createDiscordMessageHandler({
+      cfg,
+      token: "token",
+      runtime: {
+        log: vi.fn(),
+        error: vi.fn(),
+        exit: (code: number): never => {
+          throw new Error(`exit ${code}`);
+        },
+      },
+      botUserId: "bot-id",
+      guildHistories: new Map(),
+      historyLimit: 0,
+      mediaMaxBytes: 10_000,
+      textLimit: 2000,
+      replyToMode: "off",
+      dmEnabled: true,
+      groupDmEnabled: false,
+      guildEntries: { "*": { requireMention: false } },
+    });
+
+    const threadChannel = {
+      type: ChannelType.GuildText,
+      name: "thread-name",
+      parentId: "p1",
+      parent: { id: "p1", name: "general" },
+      isThread: () => true,
+      fetchStarterMessage: async () => ({
+        content: "starter message",
+        author: { tag: "Alice#1", username: "Alice" },
+        createdTimestamp: Date.now(),
+      }),
+    };
+
+    const client = {
+      fetchChannel: vi.fn().mockResolvedValue({
+        type: ChannelType.GuildText,
+        name: "thread-name",
+      }),
+    } as unknown as Client;
+
+    await handler(
+      {
+        message: {
+          id: "m4",
+          content: "thread reply",
+          channelId: "t1",
+          channel: threadChannel,
+          timestamp: new Date().toISOString(),
+          type: MessageType.Default,
+          attachments: [],
+          embeds: [],
+          mentionedEveryone: false,
+          mentionedUsers: [],
+          mentionedRoles: [],
+          author: { id: "u2", bot: false, username: "Bob", tag: "Bob#2" },
+        },
+        author: { id: "u2", bot: false, username: "Bob", tag: "Bob#2" },
+        member: { displayName: "Bob" },
+        guild: { id: "g1", name: "Guild" },
+        guild_id: "g1",
+      },
+      client,
+    );
+
+    expect(capturedCtx?.SessionKey).toBe("discord:thread:t1");
+    expect(capturedCtx?.ParentSessionKey).toBe("discord:parent:p1");
+    expect(capturedCtx?.ThreadStarterBody).toContain("starter message");
+    expect(capturedCtx?.ThreadLabel).toContain("Discord thread #general");
+  });
 });