diff --git a/extensions/telegram/src/bot-handlers.runtime.ts b/extensions/telegram/src/bot-handlers.runtime.ts
index 34595f7c2d6..92f292a8b14 100644
--- a/extensions/telegram/src/bot-handlers.runtime.ts
+++ b/extensions/telegram/src/bot-handlers.runtime.ts
@@ -238,6 +238,110 @@ export const registerTelegramHandlers = ({
         : async () => ({});
     return { message, me: ctx.me, getFile };
   };
+
+  const MULTI_SELECT_PREFIX = "OC_MULTI|";
+  const SELECT_PREFIX = "OC_SELECT|";
+  const SELECTED_PREFIX = "✅ ";
+
+  type TelegramCallbackButton = {
+    text: string;
+    callback_data: string;
+    style?: "danger" | "success" | "primary";
+  };
+
+  const cloneInlineKeyboardButtons = (message: Message): TelegramCallbackButton[][] => {
+    const rows = (message as { reply_markup?: { inline_keyboard?: unknown } }).reply_markup
+      ?.inline_keyboard;
+    if (!Array.isArray(rows)) {
+      return [];
+    }
+    return rows
+      .map((row) =>
+        Array.isArray(row)
+          ? row
+              .map((button): TelegramCallbackButton | null => {
+                const candidate = button as {
+                  text?: unknown;
+                  callback_data?: unknown;
+                  style?: unknown;
+                };
+                if (
+                  typeof candidate.text !== "string" ||
+                  typeof candidate.callback_data !== "string"
+                ) {
+                  return null;
+                }
+                const style =
+                  candidate.style === "danger" ||
+                  candidate.style === "success" ||
+                  candidate.style === "primary"
+                    ? candidate.style
+                    : undefined;
+                return {
+                  text: candidate.text,
+                  callback_data: candidate.callback_data,
+                  ...(style ? { style } : {}),
+                };
+              })
+              .filter((button): button is TelegramCallbackButton => button !== null)
+          : [],
+      )
+      .filter((row) => row.length > 0);
+  };
+  const stripMultiSelectPrefix = (text: string): string => text.replace(/^✅\s*/, "");
+  const isSelectedMultiButton = (button: TelegramCallbackButton): boolean =>
+    /^✅\s*/.test(button.text);
+  const isMultiToggleButton = (button: TelegramCallbackButton): boolean =>
+    typeof button.callback_data === "string" &&
+    button.callback_data.startsWith(`${MULTI_SELECT_PREFIX}toggle|`);
+  const resolveMultiSelectedValues = (buttons: TelegramCallbackButton[][]): string[] =>
+    buttons.flatMap((row) =>
+      row.flatMap((button) => {
+        if (!isMultiToggleButton(button) || !isSelectedMultiButton(button)) {
+          return [];
+        }
+        return [button.callback_data!.slice(`${MULTI_SELECT_PREFIX}toggle|`.length)];
+      }),
+    );
+  const updateMultiSelectKeyboard = (
+    message: Message,
+    action: "toggle" | "clear",
+    value = "",
+  ): TelegramCallbackButton[][] =>
+    cloneInlineKeyboardButtons(message).map((row) =>
+      row.map((button) => {
+        if (!isMultiToggleButton(button)) {
+          return button;
+        }
+        const buttonValue = button.callback_data!.slice(`${MULTI_SELECT_PREFIX}toggle|`.length);
+        const baseText = stripMultiSelectPrefix(button.text);
+        const selected =
+          action === "clear"
+            ? false
+            : buttonValue === value
+              ? !isSelectedMultiButton(button)
+              : isSelectedMultiButton(button);
+        return {
+          ...button,
+          text: selected ? `${SELECTED_PREFIX}${baseText}` : baseText,
+        };
+      }),
+    );
+  const buildCallbackSyntheticTextContext = (params: {
+    ctx: Pick<TelegramContext, "me"> & { getFile?: unknown };
+    callbackMessage: Message;
+    callback: { from?: Message["from"] };
+    text: string;
+    isForum: boolean;
+  }): { ctx: TelegramContext; message: Message } => {
+    const message = buildSyntheticTextMessage({
+      base: withResolvedTelegramForumFlag(params.callbackMessage, params.isForum),
+      from: params.callback.from,
+      text: params.text,
+    });
+    return { ctx: buildSyntheticContext(params.ctx, message), message };
+  };
+
   const inboundDebouncer = createInboundDebouncer<TelegramDebounceEntry>({
     debounceMs,
     resolveDebounceMs: (entry) =>
@@ -1590,6 +1694,65 @@ export const registerTelegramHandlers = ({
         return;
       }
 
+      if (data.startsWith(MULTI_SELECT_PREFIX)) {
+        const [, action, value = ""] = data.split("|");
+        if (action === "toggle" || action === "clear") {
+          const buttons = updateMultiSelectKeyboard(callbackMessage, action, value);
+          if (buttons.length > 0) {
+            try {
+              await editCallbackButtons(buttons);
+            } catch (editErr) {
+              if (!String(editErr).includes("message is not modified")) {
+                throw new TelegramRetryableCallbackError(editErr);
+              }
+            }
+          }
+          return;
+        }
+        if (action === "submit") {
+          const selected = resolveMultiSelectedValues(cloneInlineKeyboardButtons(callbackMessage));
+          const synthetic = buildCallbackSyntheticTextContext({
+            ctx,
+            callbackMessage,
+            callback,
+            text: `Multi-select submitted: ${selected.length > 0 ? selected.join(", ") : "none"}`,
+            isForum,
+          });
+          await processMessageWithReplyChain(synthetic.ctx, synthetic.message, [], storeAllowFrom, {
+            forceWasMentioned: true,
+            messageIdOverride: callback.id,
+          });
+          return;
+        }
+      }
+
+      if (data.startsWith(SELECT_PREFIX)) {
+        const value = data.slice(SELECT_PREFIX.length);
+        try {
+          await clearCallbackButtons();
+        } catch (editErr) {
+          const errStr = String(editErr);
+          if (
+            !errStr.includes("message is not modified") &&
+            !errStr.includes("there is no text in the message to edit")
+          ) {
+            throw new TelegramRetryableCallbackError(editErr);
+          }
+        }
+        const synthetic = buildCallbackSyntheticTextContext({
+          ctx,
+          callbackMessage,
+          callback,
+          text: `Single-select submitted: ${value}`,
+          isForum,
+        });
+        await processMessageWithReplyChain(synthetic.ctx, synthetic.message, [], storeAllowFrom, {
+          forceWasMentioned: true,
+          messageIdOverride: callback.id,
+        });
+        return;
+      }
+
       if (approvalCallback) {
         const isPluginApproval = approvalCallback.approvalId.startsWith("plugin:");
         const pluginApprovalAuthorizedSender = isTelegramExecApprovalApprover({
diff --git a/extensions/telegram/src/bot.create-telegram-bot.test.ts b/extensions/telegram/src/bot.create-telegram-bot.test.ts
index c06fe37b537..1ad1a30413b 100644
--- a/extensions/telegram/src/bot.create-telegram-bot.test.ts
+++ b/extensions/telegram/src/bot.create-telegram-bot.test.ts
@@ -751,6 +751,111 @@ describe("createTelegramBot", () => {
     expect(payload.Body).toContain("cmd:option_a");
     expect(answerCallbackQuerySpy).toHaveBeenCalledWith("cbq-1");
   });
+
+  it("toggles OC_MULTI buttons without routing through the generic callback message path", async () => {
+    createTelegramBot({ token: "tok" });
+    const callbackHandler = requireValue(
+      onSpy.mock.calls.find((call) => call[0] === "callback_query")?.[1] as
+        | ((ctx: Record<string, unknown>) => Promise<void>)
+        | undefined,
+      "callback_query handler",
+    );
+
+    await callbackHandler({
+      callbackQuery: {
+        id: "cbq-multi-toggle-1",
+        data: "OC_MULTI|toggle|red",
+        from: { id: 9, first_name: "Ada", username: "ada_bot" },
+        message: {
+          chat: { id: 1234, type: "private" },
+          date: 1736380800,
+          message_id: 10,
+          reply_markup: {
+            inline_keyboard: [[{ text: "Red", callback_data: "OC_MULTI|toggle|red" }]],
+          },
+        },
+      },
+      me: { username: "openclaw_bot" },
+      getFile: async () => ({ download: async () => new Uint8Array() }),
+    });
+
+    expect(editMessageReplyMarkupSpy).toHaveBeenCalledWith(1234, 10, {
+      reply_markup: {
+        inline_keyboard: [[{ text: "✅ Red", callback_data: "OC_MULTI|toggle|red" }]],
+      },
+    });
+    expect(replySpy).not.toHaveBeenCalled();
+    expect(answerCallbackQuerySpy).toHaveBeenCalledWith("cbq-multi-toggle-1");
+  });
+
+  it("submits OC_MULTI selections as a synthetic inbound message", async () => {
+    createTelegramBot({ token: "tok" });
+    const callbackHandler = requireValue(
+      onSpy.mock.calls.find((call) => call[0] === "callback_query")?.[1] as
+        | ((ctx: Record<string, unknown>) => Promise<void>)
+        | undefined,
+      "callback_query handler",
+    );
+
+    await callbackHandler({
+      callbackQuery: {
+        id: "cbq-multi-submit-1",
+        data: "OC_MULTI|submit",
+        from: { id: 9, first_name: "Ada", username: "ada_bot" },
+        message: {
+          chat: { id: 1234, type: "private" },
+          date: 1736380800,
+          message_id: 10,
+          reply_markup: {
+            inline_keyboard: [
+              [{ text: "✅ Red", callback_data: "OC_MULTI|toggle|red" }],
+              [{ text: "Blue", callback_data: "OC_MULTI|toggle|blue" }],
+            ],
+          },
+        },
+      },
+      me: { username: "openclaw_bot" },
+      getFile: async () => ({ download: async () => new Uint8Array() }),
+    });
+
+    expect(replySpy).toHaveBeenCalledTimes(1);
+    expect(replySpy.mock.calls[0][0].Body).toContain("Multi-select submitted: red");
+  });
+
+  it("submits OC_SELECT values as a synthetic inbound message and clears buttons", async () => {
+    createTelegramBot({ token: "tok" });
+    const callbackHandler = requireValue(
+      onSpy.mock.calls.find((call) => call[0] === "callback_query")?.[1] as
+        | ((ctx: Record<string, unknown>) => Promise<void>)
+        | undefined,
+      "callback_query handler",
+    );
+
+    await callbackHandler({
+      callbackQuery: {
+        id: "cbq-select-1",
+        data: "OC_SELECT|alpha",
+        from: { id: 9, first_name: "Ada", username: "ada_bot" },
+        message: {
+          chat: { id: 1234, type: "private" },
+          date: 1736380800,
+          message_id: 10,
+          reply_markup: {
+            inline_keyboard: [[{ text: "Alpha", callback_data: "OC_SELECT|alpha" }]],
+          },
+        },
+      },
+      me: { username: "openclaw_bot" },
+      getFile: async () => ({ download: async () => new Uint8Array() }),
+    });
+
+    expect(editMessageReplyMarkupSpy).toHaveBeenCalledWith(1234, 10, {
+      reply_markup: { inline_keyboard: [] },
+    });
+    expect(replySpy).toHaveBeenCalledTimes(1);
+    expect(replySpy.mock.calls[0][0].Body).toContain("Single-select submitted: alpha");
+  });
+
   it("preserves native command source for prefixed callback_query payloads", async () => {
     loadConfig.mockReturnValue({
       commands: { text: false, native: true },
diff --git a/src/agents/subagent-announce-delivery.test.ts b/src/agents/subagent-announce-delivery.test.ts
index 9f1968545ca..06c22c95295 100644
--- a/src/agents/subagent-announce-delivery.test.ts
+++ b/src/agents/subagent-announce-delivery.test.ts
@@ -1211,6 +1211,62 @@ describe("deliverSubagentAnnouncement completion delivery", () => {
     expect(sendMessage).not.toHaveBeenCalled();
   });
 
+  it("reports subagent group completions that miss required message-tool delivery", async () => {
+    const callGateway = createGatewayMock({
+      result: {
+        payloads: [
+          {
+            text: "Child result that must not be raw-sent.",
+          },
+        ],
+      },
+    });
+    const sendMessage = createSendMessageMock();
+    const result = await deliverSlackChannelAnnouncement({
+      callGateway,
+      sendMessage,
+      sessionId: "requester-session-channel",
+      isActive: false,
+      expectsCompletionMessage: true,
+      directIdempotencyKey: "announce-channel-subagent-message-tool",
+      sourceTool: "subagent_announce",
+      internalEvents: [
+        {
+          type: "task_completion",
+          source: "subagent",
+          childSessionKey: "agent:openclaw:subagent:child-123",
+          childSessionId: "child-123",
+          announceType: "subagent task",
+          status: "ok",
+          statusLabel: "completed successfully",
+          result: "Raw child result that should stay internal.",
+          replyInstruction: "Let the requester/orchestrator deliver the final response.",
+        },
+      ],
+    });
+
+    expect(result).toEqual(
+      expect.objectContaining({
+        delivered: false,
+        path: "direct",
+        error: "completion agent did not deliver through the message tool",
+      }),
+    );
+    expect(callGateway).toHaveBeenCalledWith(
+      expect.objectContaining({
+        method: "agent",
+        params: expect.objectContaining({
+          deliver: false,
+          channel: "slack",
+          accountId: "acct-1",
+          to: "channel:C123",
+          threadId: undefined,
+        }),
+      }),
+    );
+    expect(sendMessage).not.toHaveBeenCalled();
+  });
+
   it("does not fallback for generated media group completions when message tool evidence exists", async () => {
     const callGateway = createGatewayMock({
       result: {
diff --git a/src/agents/subagent-announce-delivery.ts b/src/agents/subagent-announce-delivery.ts
index f253566a5c2..529922cdf75 100644
--- a/src/agents/subagent-announce-delivery.ts
+++ b/src/agents/subagent-announce-delivery.ts
@@ -56,7 +56,11 @@ import type { SpawnSubagentMode } from "./subagent-spawn.types.js";
 
 const DEFAULT_SUBAGENT_ANNOUNCE_TIMEOUT_MS = 120_000;
 const MAX_TIMER_SAFE_TIMEOUT_MS = 2_147_000_000;
-const AGENT_MEDIATED_COMPLETION_TOOLS = new Set(["music_generate", "video_generate"]);
+const AGENT_MEDIATED_COMPLETION_TOOLS = new Set([
+  "music_generate",
+  "video_generate",
+  "subagent_announce",
+]);
 
 type SubagentAnnounceDeliveryDeps = {
   callGateway: typeof callGateway;