Improve DevChat dependency check and error handling

- Add logger import to commandsBase.ts.
- Replace plain error handling with logger in checkDevChatDependency.
- Refactor getPipxEnvironmentPath and updateEnvironmentPath functions.

src/contributes/commandsBase.ts

@@ -1,6 +1,7 @@
 // src/contributes/commandsBase.ts
 
 import { runCommand } from "../util/commonUtil";
+import { logger } from "../util/logger";
 
 
 export function checkDevChatDependency(): boolean {
@@ -14,10 +15,15 @@ export function checkDevChatDependency(): boolean {
 			runCommand('devchat --help');
 			return true;
 		} else {
+			logger.channel()?.error(`Failed to get pipx environment path, I will try to install pipx.`);
+			logger.channel()?.show();
 			return false;
 		}
 	} catch (error) {
 		// DevChat dependency check failed
+		// log out detail error message
+		logger.channel()?.error(`Failed to check DevChat dependency: ${error}`);
+		logger.channel()?.show();
 		return false;
 	}
 }