feat: show status reaction during context compaction (#35474)

Merged via squash.

Prepared head SHA: 145a7b7c4e
Co-authored-by: Cypherm <28184436+Cypherm@users.noreply.github.com>
Co-authored-by: jalehman <550978+jalehman@users.noreply.github.com>
Reviewed-by: @jalehman

src/telegram/bot-message-dispatch.test.ts

@@ -2182,4 +2182,41 @@ describe("dispatchTelegramMessage draft streaming", () => {
     );
     expect(finalTextSentViaDeliverReplies).toBe(true);
   });
+
+  it("shows compacting reaction during auto-compaction and resumes thinking", async () => {
+    const statusReactionController = {
+      setThinking: vi.fn(async () => {}),
+      setCompacting: vi.fn(async () => {}),
+      setTool: vi.fn(async () => {}),
+      setDone: vi.fn(async () => {}),
+      setError: vi.fn(async () => {}),
+      setQueued: vi.fn(async () => {}),
+      cancelPending: vi.fn(() => {}),
+      clear: vi.fn(async () => {}),
+      restoreInitial: vi.fn(async () => {}),
+    };
+    dispatchReplyWithBufferedBlockDispatcher.mockImplementation(async ({ replyOptions }) => {
+      await replyOptions?.onCompactionStart?.();
+      await replyOptions?.onCompactionEnd?.();
+      return { queuedFinal: true };
+    });
+    deliverReplies.mockResolvedValue({ delivered: true });
+
+    await dispatchWithContext({
+      context: createContext({
+        statusReactionController: statusReactionController as never,
+      }),
+      streamMode: "off",
+    });
+
+    expect(statusReactionController.setCompacting).toHaveBeenCalledTimes(1);
+    expect(statusReactionController.cancelPending).toHaveBeenCalledTimes(1);
+    expect(statusReactionController.setThinking).toHaveBeenCalledTimes(2);
+    expect(statusReactionController.setCompacting.mock.invocationCallOrder[0]).toBeLessThan(
+      statusReactionController.cancelPending.mock.invocationCallOrder[0],
+    );
+    expect(statusReactionController.cancelPending.mock.invocationCallOrder[0]).toBeLessThan(
+      statusReactionController.setThinking.mock.invocationCallOrder[1],
+    );
+  });
 });

src/telegram/bot-message-dispatch.ts

@@ -713,6 +713,15 @@ export const dispatchTelegramMessage = async ({
               await statusReactionController.setTool(payload.name);
             }
           : undefined,
+        onCompactionStart: statusReactionController
+          ? () => statusReactionController.setCompacting()
+          : undefined,
+        onCompactionEnd: statusReactionController
+          ? async () => {
+              statusReactionController.cancelPending();
+              await statusReactionController.setThinking();
+            }
+          : undefined,
         onModelSelected,
       },
     }));

src/telegram/status-reaction-variants.ts

@@ -90,6 +90,7 @@ export const TELEGRAM_STATUS_REACTION_VARIANTS: Record<StatusReactionEmojiKey, s
   error: ["😱", "😨", "🤯"],
   stallSoft: ["🥱", "😴", "🤔"],
   stallHard: ["😨", "😱", "⚡"],
+  compacting: ["✍", "🤔", "🤯"],
 };
 
 const STATUS_REACTION_EMOJI_KEYS: StatusReactionEmojiKey[] = [
@@ -102,6 +103,7 @@ const STATUS_REACTION_EMOJI_KEYS: StatusReactionEmojiKey[] = [
   "error",
   "stallSoft",
   "stallHard",
+  "compacting",
 ];
 
 function normalizeEmoji(value: string | undefined): string | undefined {
@@ -129,6 +131,7 @@ export function resolveTelegramStatusReactionEmojis(params: {
     error: normalizeEmoji(overrides?.error) ?? DEFAULT_EMOJIS.error,
     stallSoft: normalizeEmoji(overrides?.stallSoft) ?? DEFAULT_EMOJIS.stallSoft,
     stallHard: normalizeEmoji(overrides?.stallHard) ?? DEFAULT_EMOJIS.stallHard,
+    compacting: normalizeEmoji(overrides?.compacting) ?? DEFAULT_EMOJIS.compacting,
   };
 }