feat(ai): finalize Gemini CLI integration with telemetry polish and cleanup

gemini_cli_adapter.py

@@ -1,17 +1,20 @@
 import subprocess
 import json
 import sys
+import time
 
 class GeminiCliAdapter:
     def __init__(self, binary_path="gemini"):
         self.binary_path = binary_path
         self.last_usage = None
         self.session_id = None
+        self.last_latency = 0.0
 
     def send(self, message):
         """
         Sends a message to the Gemini CLI and processes the streaming JSON output.
         """
+        start_time = time.time()
         # On Windows, using shell=True allows executing .cmd/.bat files and 
         # handles command strings with arguments more gracefully.
         # We pass the message via stdin to avoid command-line length limits.
@@ -19,7 +22,6 @@ class GeminiCliAdapter:
         if self.session_id:
             command += f' --resume {self.session_id}'
 
-        print(f"[DEBUG] GeminiCliAdapter: Executing command: {command}")
         accumulated_text = ""
         
         process = subprocess.Popen(
@@ -41,7 +43,6 @@ class GeminiCliAdapter:
                 line = line.strip()
                 if not line:
                     continue
-                print(f"[DEBUG] GeminiCliAdapter stdout: {line}")
 
                 try:
                     data = json.loads(line)
@@ -66,12 +67,10 @@ class GeminiCliAdapter:
                     continue
 
             process.wait()
-            if process.returncode != 0:
-                err = process.stderr.read()
-                print(f"[DEBUG] GeminiCliAdapter failed with exit code {process.returncode}. stderr: {err}")
         except Exception as e:
             process.kill()
-            print(f"[DEBUG] GeminiCliAdapter exception: {e}")
             raise e
+        finally:
+            self.last_latency = time.time() - start_time
 
         return accumulated_text