Improve regex pattern to handle whitespace in environment variable parsing

Co-authored-by: Tyriar <[email protected]>

Author: Copilot

src/vs/workbench/contrib/terminalContrib/chatAgentTools/browser/commandLineAutoApprover.ts

@@ -112,7 +112,8 @@ export class CommandLineAutoApprover extends Disposable {
 
 		// For bash/sh/bourne shell and unknown shells (fallback to bourne shell syntax)
 		// Handle environment variable assignments like: VAR=value VAR2=value command
-		const envVarPattern = /^([A-Za-z_][A-Za-z0-9_]*=(?:[^\s'"]|'[^']*'|"[^"]*")*\s+)+/;
+		// This regex matches one or more environment variable assignments at the start
+		const envVarPattern = /^(\s*[A-Za-z_][A-Za-z0-9_]*=(?:[^\s'"]|'[^']*'|"[^"]*")*\s+)+/;
 		const match = trimmedCommand.match(envVarPattern);
 
 		if (match) {