fix(telegram): stop typing after tool results (#322)

Thanks @AbhisekBasu1.

src/auto-reply/reply/agent-runner.ts

@@ -106,6 +106,7 @@ export async function runReplyAgent(params: {
   const streamedPayloadKeys = new Set<string>();
   const pendingStreamedPayloadKeys = new Set<string>();
   const pendingBlockTasks = new Set<Promise<void>>();
+  const pendingToolTasks = new Set<Promise<void>>();
   let didStreamBlockReply = false;
   const buildPayloadKey = (payload: ReplyPayload) => {
     const text = payload.text?.trim() ?? "";
@@ -312,7 +313,8 @@ export async function runReplyAgent(params: {
                 : undefined,
             shouldEmitToolResult,
             onToolResult: opts?.onToolResult
-              ? async (payload) => {
+              ? (payload) => {
+                  const task = (async () => {
                     let text = payload.text;
                     if (!isHeartbeat && text?.includes("HEARTBEAT_OK")) {
                       const stripped = stripHeartbeatToken(text, {
@@ -339,6 +341,14 @@ export async function runReplyAgent(params: {
                       text,
                       mediaUrls: payload.mediaUrls,
                     });
+                  })()
+                    .catch((err) => {
+                      logVerbose(`tool result delivery failed: ${String(err)}`);
+                    })
+                    .finally(() => {
+                      pendingToolTasks.delete(task);
+                    });
+                  pendingToolTasks.add(task);
                 }
               : undefined,
           }),
@@ -378,6 +388,9 @@ export async function runReplyAgent(params: {
     if (pendingBlockTasks.size > 0) {
       await Promise.allSettled(pendingBlockTasks);
     }
+    if (pendingToolTasks.size > 0) {
+      await Promise.allSettled(pendingToolTasks);
+    }
 
     const sanitizedPayloads = isHeartbeat
       ? payloadArray