fix: chatSendFailed an Gateway melden wenn Chat-Input nicht gefunden

Made-with: Cursor

src/bot/orchestrator.ts

@@ -1376,9 +1376,22 @@ export class BotOrchestrator {
         continue;
       }
       try {
-        await this._chatProcedure.sendChatMessage(text);
+        const sent = await this._chatProcedure.sendChatMessage(text);
+        if (!sent) {
+          this._logger.warn('Chat message not sent - chat input not found (panel may be closed)');
+          this._sendToGateway({
+            type: 'chatSendFailed',
+            sessionId: this._sessionId,
+            error: { reason: 'chat_input_not_found', text: text.substring(0, 200) },
+          });
+        }
       } catch (chatErr) {
         this._logger.error(`Failed to send chat message to meeting: ${chatErr}`);
+        this._sendToGateway({
+          type: 'chatSendFailed',
+          sessionId: this._sessionId,
+          error: { reason: 'exception', message: String(chatErr).substring(0, 200), text: text.substring(0, 200) },
+        });
       }
     }
     this._chatQueueProcessing = false;