fix: replace bare except clauses with except Exception

Bare `except:` catches BaseException including KeyboardInterrupt and
SystemExit. Replaced 29 instances with `except Exception:`.

models/chatgpt/chat_gpt_bot.py

@@ -208,7 +208,7 @@ class ChatGPTBot(Bot, OpenAIImage, OpenAICompatibleBot):
             try:
                 os.remove(image_path)
                 logger.debug(f"[CHATGPT] Removed temp image file: {image_path}")
-            except:
+            except Exception:
                 pass
             
             return Reply(ReplyType.TEXT, content)

models/claudeapi/claude_api_bot.py

@@ -383,7 +383,7 @@ class ClaudeAPIBot(Bot, OpenAIImage):
                 try:
                     error_data = json.loads(error_text)
                     error_msg = error_data.get("error", {}).get("message", error_text)
-                except:
+                except Exception:
                     error_msg = error_text or "Unknown error"
 
                 yield {

models/gemini/google_gemini_bot.py

@@ -347,7 +347,7 @@ class GoogleGeminiBot(Bot):
                                     tool_result_data = json.loads(tool_content)
                                 else:
                                     tool_result_data = tool_content
-                            except:
+                            except Exception:
                                 tool_result_data = {"result": tool_content}
                             
                             # Find the tool name from previous messages

models/linkai/link_ai_bot.py

@@ -608,7 +608,7 @@ def _handle_linkai_stream_response(self, base_url, headers, body):
             try:
                 error_data = json.loads(error_text)
                 error_msg = error_data.get("error", {}).get("message", error_text)
-            except:
+            except Exception:
                 error_msg = error_text or "Unknown error"
             
             yield {