feat: add --auto-connect flag to discover and connect to running Chrome (#432)

cli/src/flags.rs

@@ -20,6 +20,7 @@ pub struct Flags {
     pub ignore_https_errors: bool,
     pub allow_file_access: bool,
     pub device: Option<String>,
+    pub auto_connect: bool,
 
     // Track which launch-time options were explicitly passed via CLI
     // (as opposed to being set only via environment variables)
@@ -65,6 +66,7 @@ pub fn parse_flags(args: &[String]) -> Flags {
         ignore_https_errors: false,
         allow_file_access: env::var("AGENT_BROWSER_ALLOW_FILE_ACCESS").is_ok(),
         device: env::var("AGENT_BROWSER_IOS_DEVICE").ok(),
+        auto_connect: env::var("AGENT_BROWSER_AUTO_CONNECT").is_ok(),
         // Track CLI-passed flags (default false, set to true when flag is passed)
         cli_executable_path: false,
         cli_extensions: false,
@@ -175,6 +177,7 @@ pub fn parse_flags(args: &[String]) -> Flags {
                     i += 1;
                 }
             }
+            "--auto-connect" => flags.auto_connect = true,
             _ => {}
         }
         i += 1;
@@ -194,6 +197,7 @@ pub fn clean_args(args: &[String]) -> Vec<String> {
         "--debug",
         "--ignore-https-errors",
         "--allow-file-access",
+        "--auto-connect",
     ];
     // Global flags that take a value (need to skip the next arg too)
     const GLOBAL_FLAGS_WITH_VALUE: &[&str] = &[