Filter ANSI output before Slack forwarding

src/lazy_enter/bridge.py

@@ -7,6 +7,7 @@ import threading
 import time
 
 from lazy_enter.config import Config
+from lazy_enter.output_filter import clean_terminal_output
 from lazy_enter.pty_manager import PtyManager
 from lazy_enter.slack_handler import SlackHandler
 
@@ -23,6 +24,7 @@ class Bridge:
         self._output_thread: threading.Thread | None = None
         self._running = False
         self._channel: str = self.config.allowed_channel_id
+        self._last_sent_output: str = ""
 
         self.slack.on_message(self._handle_message)
         self.slack.on_command(self._handle_command)
@@ -51,6 +53,7 @@ class Bridge:
             return
 
         self._channel = channel
+        self._last_sent_output = ""
         self.pty = PtyManager(self.config.default_shell)
         self.pty.start()
         self._running = True
@@ -65,6 +68,7 @@ class Bridge:
         if self.pty:
             self.pty.stop()
             self.pty = None
+        self._last_sent_output = ""
         self.slack.send_message(channel, ":stop_sign: 세션이 종료되었습니다.")
 
     def _poll_output(self) -> None:
@@ -73,14 +77,18 @@ class Bridge:
         while self._running and self.pty and self.pty.is_alive:
             output = self.pty.read_output(timeout=self.config.pty_read_timeout)
             if output:
-                buffer += output
+                cleaned = clean_terminal_output(output)
+                if cleaned:
+                    buffer += f"{cleaned}\n"
 
             if buffer:
                 # 메시지 길이 제한 적용
-                message = buffer[: self.config.max_message_length]
+                message = buffer[: self.config.max_message_length].rstrip()
                 if len(buffer) > self.config.max_message_length:
                     message += "\n... (truncated)"
-                self.slack.send_message(self._channel, f"```\n{message}\n```")
+                if message and message != self._last_sent_output:
+                    self.slack.send_message(self._channel, f"```\n{message}\n```")
+                    self._last_sent_output = message
                 buffer = ""
 
             time.sleep(self.config.output_buffer_interval)