refactor: change execution log from debug to info level

Changed the command execution logging from stderr debug message to stdout info message for better user experience.

- console.error -> console.log
- Removed [DEBUG] prefix
- Cleaner "Executing:" format

Co-Authored-By: claude-sonnet-4-6 <noreply@anthropic.com>

src/cli/handlers/cloud.ts

@@ -232,8 +232,8 @@ function getCloudRawArgs(): string[] {
 async function runCsCloud(args: string[]): Promise<void> {
 	const bin = await ensureCsCloud()
 
-	// Print the exact command being executed for debugging
-	console.error(`[DEBUG] Executing: ${bin} ${args.join(" ")}`)
+	// Log the command being executed for transparency
+	console.log(`Executing: ${bin} ${args.join(" ")}`)
 
 	// Close stdin to prevent blocking, inherit stdout/stderr
 	const child = spawn(bin, args, {