diff --git a/cli/src/commands.rs b/cli/src/commands.rs
index fb1b257..e335b08 100644
--- a/cli/src/commands.rs
+++ b/cli/src/commands.rs
@@ -111,10 +111,12 @@ pub fn parse_command(args: &[String], flags: &Flags) -> Result<Value, ParseError
             let mut nav_cmd = json!({ "id": id, "action": "navigate", "url": url });
             // If --headers flag is set, include headers (scoped to this origin)
             if let Some(ref headers_json) = flags.headers {
-                let headers = serde_json::from_str::<serde_json::Value>(headers_json)
-                    .map_err(|_| ParseError::InvalidValue {
-                        message: format!("Invalid JSON for --headers: {}", headers_json),
-                        usage: "open <url> --headers '{\"Key\": \"Value\"}'",
+                let headers =
+                    serde_json::from_str::<serde_json::Value>(headers_json).map_err(|_| {
+                        ParseError::InvalidValue {
+                            message: format!("Invalid JSON for --headers: {}", headers_json),
+                            usage: "open <url> --headers '{\"Key\": \"Value\"}'",
+                        }
                     })?;
                 nav_cmd["headers"] = headers;
             }
@@ -287,7 +289,9 @@ pub fn parse_command(args: &[String], flags: &Flags) -> Result<Value, ParseError
                             usage: "keyboard inserttext <text>",
                         });
                     }
-                    Ok(json!({ "id": id, "action": "keyboard", "subaction": "insertText", "text": text }))
+                    Ok(
+                        json!({ "id": id, "action": "keyboard", "subaction": "insertText", "text": text }),
+                    )
                 }
                 _ => Err(ParseError::UnknownSubcommand {
                     subcommand: sub.to_string(),
@@ -386,8 +390,16 @@ pub fn parse_command(args: &[String], flags: &Flags) -> Result<Value, ParseError
                 return Ok(cmd);
             }
 
-            // Default: selector or timeout
+            // Default: selector, timeout, or range (e.g. 2000-5000)
             if let Some(arg) = rest.first() {
+                // Check for range syntax: "2000-5000"
+                if let Some((min_str, max_str)) = arg.split_once('-') {
+                    if let (Ok(min), Ok(max)) = (min_str.parse::<u64>(), max_str.parse::<u64>()) {
+                        return Ok(
+                            json!({ "id": id, "action": "wait", "timeout": min, "timeoutMax": max }),
+                        );
+                    }
+                }
                 if let Ok(timeout) = arg.parse::<u64>() {
                     Ok(json!({ "id": id, "action": "wait", "timeout": timeout }))
                 } else {
@@ -396,7 +408,7 @@ pub fn parse_command(args: &[String], flags: &Flags) -> Result<Value, ParseError
             } else {
                 Err(ParseError::MissingArguments {
                     context: "wait".to_string(),
-                    usage: "wait <selector|ms|--url|--load|--fn|--text>",
+                    usage: "wait <selector|ms|min-max|--url|--load|--fn|--text>",
                 })
             }
         }
@@ -929,9 +941,7 @@ pub fn parse_command(args: &[String], flags: &Flags) -> Result<Value, ParseError
                     })?;
                     Ok(json!({ "id": id, "action": "state_load", "path": path }))
                 }
-                Some("list") => {
-                    Ok(json!({ "id": id, "action": "state_list" }))
-                }
+                Some("list") => Ok(json!({ "id": id, "action": "state_list" })),
                 Some("clear") => {
                     let mut session_name: Option<&str> = None;
                     let mut all = false;
@@ -952,7 +962,9 @@ pub fn parse_command(args: &[String], flags: &Flags) -> Result<Value, ParseError
 
                     if let Some(name) = session_name {
                         if !is_valid_session_name(name) {
-                            return Err(ParseError::InvalidSessionName { name: name.to_string() });
+                            return Err(ParseError::InvalidSessionName {
+                                name: name.to_string(),
+                            });
                         }
                     }
 
@@ -1006,13 +1018,19 @@ pub fn parse_command(args: &[String], flags: &Flags) -> Result<Value, ParseError
                     let new_name = new_name.trim_end_matches(".json");
 
                     if !is_valid_session_name(old_name) {
-                        return Err(ParseError::InvalidSessionName { name: old_name.to_string() });
+                        return Err(ParseError::InvalidSessionName {
+                            name: old_name.to_string(),
+                        });
                     }
                     if !is_valid_session_name(new_name) {
-                        return Err(ParseError::InvalidSessionName { name: new_name.to_string() });
+                        return Err(ParseError::InvalidSessionName {
+                            name: new_name.to_string(),
+                        });
                     }
 
-                    Ok(json!({ "id": id, "action": "state_rename", "oldName": old_name, "newName": new_name }))
+                    Ok(
+                        json!({ "id": id, "action": "state_rename", "oldName": old_name, "newName": new_name }),
+                    )
                 }
                 Some(sub) => Err(ParseError::UnknownSubcommand {
                     subcommand: sub.to_string(),
@@ -1121,7 +1139,10 @@ fn parse_diff(rest: &[&str], id: &str, flags: &Flags) -> Result<Value, ParseErro
                                 }
                                 Err(_) => {
                                     return Err(ParseError::InvalidValue {
-                                        message: format!("Depth must be a non-negative integer, got: {}", d),
+                                        message: format!(
+                                            "Depth must be a non-negative integer, got: {}",
+                                            d
+                                        ),
                                         usage: "diff snapshot --depth <n>",
                                     });
                                 }
@@ -1187,7 +1208,10 @@ fn parse_diff(rest: &[&str], id: &str, flags: &Flags) -> Result<Value, ParseErro
                                 }
                                 Ok(n) => {
                                     return Err(ParseError::InvalidValue {
-                                        message: format!("Threshold must be between 0 and 1, got {}", n),
+                                        message: format!(
+                                            "Threshold must be between 0 and 1, got {}",
+                                            n
+                                        ),
                                         usage: "diff screenshot --threshold <0-1>",
                                     });
                                 }
@@ -1304,7 +1328,10 @@ fn parse_diff(rest: &[&str], id: &str, flags: &Flags) -> Result<Value, ParseErro
                                 }
                                 Err(_) => {
                                     return Err(ParseError::InvalidValue {
-                                        message: format!("Depth must be a non-negative integer, got: {}", d),
+                                        message: format!(
+                                            "Depth must be a non-negative integer, got: {}",
+                                            d
+                                        ),
                                         usage: "diff url <url1> <url2> --depth <n>",
                                     });
                                 }
@@ -1896,8 +1923,10 @@ mod tests {
             cli_proxy_bypass: false,
             cli_allow_file_access: false,
             cli_annotate: false,
+            cli_stealth: false,
             annotate: false,
             color_scheme: None,
+            stealth: false,
         }
     }
 
@@ -3029,8 +3058,11 @@ mod tests {
 
     #[test]
     fn test_diff_snapshot_baseline() {
-        let cmd =
-            parse_command(&args("diff snapshot --baseline before.txt"), &default_flags()).unwrap();
+        let cmd = parse_command(
+            &args("diff snapshot --baseline before.txt"),
+            &default_flags(),
+        )
+        .unwrap();
         assert_eq!(cmd["action"], "diff_snapshot");
         assert_eq!(cmd["baseline"], "before.txt");
     }
@@ -3050,9 +3082,11 @@ mod tests {
 
     #[test]
     fn test_diff_snapshot_short_flags() {
-        let cmd =
-            parse_command(&args("diff snapshot -b snap.txt -s .content -c -d 2"), &default_flags())
-                .unwrap();
+        let cmd = parse_command(
+            &args("diff snapshot -b snap.txt -s .content -c -d 2"),
+            &default_flags(),
+        )
+        .unwrap();
         assert_eq!(cmd["action"], "diff_snapshot");
         assert_eq!(cmd["baseline"], "snap.txt");
         assert_eq!(cmd["selector"], ".content");
@@ -3100,8 +3134,7 @@ mod tests {
     fn test_diff_screenshot_global_full_flag() {
         let mut flags = default_flags();
         flags.full = true;
-        let cmd =
-            parse_command(&args("diff screenshot --baseline b.png"), &flags).unwrap();
+        let cmd = parse_command(&args("diff screenshot --baseline b.png"), &flags).unwrap();
         assert_eq!(cmd["action"], "diff_screenshot");
         assert_eq!(cmd["fullPage"], true);
     }
@@ -3145,8 +3178,7 @@ mod tests {
     fn test_diff_url_global_full_flag() {
         let mut flags = default_flags();
         flags.full = true;
-        let cmd =
-            parse_command(&args("diff url https://a.com https://b.com"), &flags).unwrap();
+        let cmd = parse_command(&args("diff url https://a.com https://b.com"), &flags).unwrap();
         assert_eq!(cmd["fullPage"], true);
     }
 
diff --git a/cli/src/flags.rs b/cli/src/flags.rs
index c2a1e6d..b8d13d8 100644
--- a/cli/src/flags.rs
+++ b/cli/src/flags.rs
@@ -34,6 +34,7 @@ pub struct Config {
     pub headers: Option<String>,
     pub annotate: Option<bool>,
     pub color_scheme: Option<String>,
+    pub stealth: Option<bool>,
 }
 
 impl Config {
@@ -68,6 +69,7 @@ impl Config {
             headers: other.headers.or(self.headers),
             annotate: other.annotate.or(self.annotate),
             color_scheme: other.color_scheme.or(self.color_scheme),
+            stealth: other.stealth.or(self.stealth),
         }
     }
 }
@@ -156,8 +158,7 @@ pub fn load_config(args: &[String]) -> Result<Config, String> {
         });
 
     if let Some((source, maybe_path)) = explicit {
-        let path_str =
-            maybe_path.ok_or_else(|| format!("{} requires a file path", source))?;
+        let path_str = maybe_path.ok_or_else(|| format!("{} requires a file path", source))?;
         let path = PathBuf::from(&path_str);
         if !path.exists() {
             return Err(format!("config file not found: {}", path_str));
@@ -203,6 +204,7 @@ pub struct Flags {
     pub session_name: Option<String>,
     pub annotate: bool,
     pub color_scheme: Option<String>,
+    pub stealth: bool,
 
     // Track which launch-time options were explicitly passed via CLI
     // (as opposed to being set only via environment variables)
@@ -216,6 +218,7 @@ pub struct Flags {
     pub cli_proxy_bypass: bool,
     pub cli_allow_file_access: bool,
     pub cli_annotate: bool,
+    pub cli_stealth: bool,
 }
 
 pub fn parse_flags(args: &[String]) -> Flags {
@@ -241,50 +244,49 @@ pub fn parse_flags(args: &[String]) -> Flags {
     };
 
     let mut flags = Flags {
-        json: env_var_is_truthy("AGENT_BROWSER_JSON")
-            || config.json.unwrap_or(false),
-        full: env_var_is_truthy("AGENT_BROWSER_FULL")
-            || config.full.unwrap_or(false),
-        headed: env_var_is_truthy("AGENT_BROWSER_HEADED")
-            || config.headed.unwrap_or(false),
-        debug: env_var_is_truthy("AGENT_BROWSER_DEBUG")
-            || config.debug.unwrap_or(false),
-        session: env::var("AGENT_BROWSER_SESSION").ok()
+        json: env_var_is_truthy("AGENT_BROWSER_JSON") || config.json.unwrap_or(false),
+        full: env_var_is_truthy("AGENT_BROWSER_FULL") || config.full.unwrap_or(false),
+        headed: env_var_is_truthy("AGENT_BROWSER_HEADED") || config.headed.unwrap_or(false),
+        debug: env_var_is_truthy("AGENT_BROWSER_DEBUG") || config.debug.unwrap_or(false),
+        session: env::var("AGENT_BROWSER_SESSION")
+            .ok()
             .or(config.session)
             .unwrap_or_else(|| "default".to_string()),
         headers: config.headers,
-        executable_path: env::var("AGENT_BROWSER_EXECUTABLE_PATH").ok()
+        executable_path: env::var("AGENT_BROWSER_EXECUTABLE_PATH")
+            .ok()
             .or(config.executable_path),
         cdp: config.cdp,
         extensions,
-        profile: env::var("AGENT_BROWSER_PROFILE").ok()
-            .or(config.profile),
-        state: env::var("AGENT_BROWSER_STATE").ok()
-            .or(config.state),
-        proxy: env::var("AGENT_BROWSER_PROXY").ok()
-            .or(config.proxy),
-        proxy_bypass: env::var("AGENT_BROWSER_PROXY_BYPASS").ok()
+        profile: env::var("AGENT_BROWSER_PROFILE").ok().or(config.profile),
+        state: env::var("AGENT_BROWSER_STATE").ok().or(config.state),
+        proxy: env::var("AGENT_BROWSER_PROXY").ok().or(config.proxy),
+        proxy_bypass: env::var("AGENT_BROWSER_PROXY_BYPASS")
+            .ok()
             .or(config.proxy_bypass),
-        args: env::var("AGENT_BROWSER_ARGS").ok()
-            .or(config.args),
-        user_agent: env::var("AGENT_BROWSER_USER_AGENT").ok()
+        args: env::var("AGENT_BROWSER_ARGS").ok().or(config.args),
+        user_agent: env::var("AGENT_BROWSER_USER_AGENT")
+            .ok()
             .or(config.user_agent),
-        provider: env::var("AGENT_BROWSER_PROVIDER").ok()
-            .or(config.provider),
+        provider: env::var("AGENT_BROWSER_PROVIDER").ok().or(config.provider),
         ignore_https_errors: env_var_is_truthy("AGENT_BROWSER_IGNORE_HTTPS_ERRORS")
             || config.ignore_https_errors.unwrap_or(false),
         allow_file_access: env_var_is_truthy("AGENT_BROWSER_ALLOW_FILE_ACCESS")
             || config.allow_file_access.unwrap_or(false),
-        device: env::var("AGENT_BROWSER_IOS_DEVICE").ok()
-            .or(config.device),
+        device: env::var("AGENT_BROWSER_IOS_DEVICE").ok().or(config.device),
         auto_connect: env_var_is_truthy("AGENT_BROWSER_AUTO_CONNECT")
             || config.auto_connect.unwrap_or(false),
-        session_name: env::var("AGENT_BROWSER_SESSION_NAME").ok()
+        session_name: env::var("AGENT_BROWSER_SESSION_NAME")
+            .ok()
             .or(config.session_name),
-        annotate: env_var_is_truthy("AGENT_BROWSER_ANNOTATE")
-            || config.annotate.unwrap_or(false),
-        color_scheme: env::var("AGENT_BROWSER_COLOR_SCHEME").ok()
+        annotate: env_var_is_truthy("AGENT_BROWSER_ANNOTATE") || config.annotate.unwrap_or(false),
+        color_scheme: env::var("AGENT_BROWSER_COLOR_SCHEME")
+            .ok()
             .or(config.color_scheme),
+        stealth: match env::var("AGENT_BROWSER_STEALTH") {
+            Ok(val) => !matches!(val.to_lowercase().as_str(), "0" | "false" | "no" | ""),
+            Err(_) => config.stealth.unwrap_or(true),
+        },
         cli_executable_path: false,
         cli_extensions: false,
         cli_profile: false,
@@ -295,6 +297,7 @@ pub fn parse_flags(args: &[String]) -> Flags {
         cli_proxy_bypass: false,
         cli_allow_file_access: false,
         cli_annotate: false,
+        cli_stealth: false,
     };
 
     let mut i = 0;
@@ -303,22 +306,30 @@ pub fn parse_flags(args: &[String]) -> Flags {
             "--json" => {
                 let (val, consumed) = parse_bool_arg(args, i);
                 flags.json = val;
-                if consumed { i += 1; }
+                if consumed {
+                    i += 1;
+                }
             }
             "--full" | "-f" => {
                 let (val, consumed) = parse_bool_arg(args, i);
                 flags.full = val;
-                if consumed { i += 1; }
+                if consumed {
+                    i += 1;
+                }
             }
             "--headed" => {
                 let (val, consumed) = parse_bool_arg(args, i);
                 flags.headed = val;
-                if consumed { i += 1; }
+                if consumed {
+                    i += 1;
+                }
             }
             "--debug" => {
                 let (val, consumed) = parse_bool_arg(args, i);
                 flags.debug = val;
-                if consumed { i += 1; }
+                if consumed {
+                    i += 1;
+                }
             }
             "--session" => {
                 if let Some(s) = args.get(i + 1) {
@@ -403,13 +414,17 @@ pub fn parse_flags(args: &[String]) -> Flags {
             "--ignore-https-errors" => {
                 let (val, consumed) = parse_bool_arg(args, i);
                 flags.ignore_https_errors = val;
-                if consumed { i += 1; }
+                if consumed {
+                    i += 1;
+                }
             }
             "--allow-file-access" => {
                 let (val, consumed) = parse_bool_arg(args, i);
                 flags.allow_file_access = val;
                 flags.cli_allow_file_access = true;
-                if consumed { i += 1; }
+                if consumed {
+                    i += 1;
+                }
             }
             "--device" => {
                 if let Some(d) = args.get(i + 1) {
@@ -420,7 +435,9 @@ pub fn parse_flags(args: &[String]) -> Flags {
             "--auto-connect" => {
                 let (val, consumed) = parse_bool_arg(args, i);
                 flags.auto_connect = val;
-                if consumed { i += 1; }
+                if consumed {
+                    i += 1;
+                }
             }
             "--session-name" => {
                 if let Some(s) = args.get(i + 1) {
@@ -432,7 +449,17 @@ pub fn parse_flags(args: &[String]) -> Flags {
                 let (val, consumed) = parse_bool_arg(args, i);
                 flags.annotate = val;
                 flags.cli_annotate = true;
-                if consumed { i += 1; }
+                if consumed {
+                    i += 1;
+                }
+            }
+            "--stealth" => {
+                let (val, consumed) = parse_bool_arg(args, i);
+                flags.stealth = val;
+                flags.cli_stealth = true;
+                if consumed {
+                    i += 1;
+                }
             }
             "--color-scheme" => {
                 if let Some(s) = args.get(i + 1) {
@@ -465,6 +492,7 @@ pub fn clean_args(args: &[String]) -> Vec<String> {
         "--allow-file-access",
         "--auto-connect",
         "--annotate",
+        "--stealth",
     ];
     // Global flags that always take a value (need to skip the next arg too)
     const GLOBAL_FLAGS_WITH_VALUE: &[&str] = &[
@@ -721,7 +749,10 @@ mod tests {
         assert_eq!(config.session.as_deref(), Some("test-session"));
         assert_eq!(config.session_name.as_deref(), Some("my-app"));
         assert_eq!(config.executable_path.as_deref(), Some("/usr/bin/chromium"));
-        assert_eq!(config.extensions, Some(vec!["/ext1".to_string(), "/ext2".to_string()]));
+        assert_eq!(
+            config.extensions,
+            Some(vec!["/ext1".to_string(), "/ext2".to_string()])
+        );
         assert_eq!(config.profile.as_deref(), Some("/tmp/profile"));
         assert_eq!(config.state.as_deref(), Some("/tmp/state.json"));
         assert_eq!(config.proxy.as_deref(), Some("http://proxy:8080"));
@@ -1030,7 +1061,11 @@ mod tests {
         let merged = user.merge(project);
         assert_eq!(
             merged.extensions,
-            Some(vec!["/ext1".to_string(), "/ext2".to_string(), "/ext3".to_string()])
+            Some(vec![
+                "/ext1".to_string(),
+                "/ext2".to_string(),
+                "/ext3".to_string()
+            ])
         );
     }
 
diff --git a/cli/src/validation.rs b/cli/src/validation.rs
index 040c553..6ea6149 100644
--- a/cli/src/validation.rs
+++ b/cli/src/validation.rs
@@ -1,6 +1,9 @@
 /// Check if a session name is valid (alphanumeric, hyphens, and underscores only)
 pub fn is_valid_session_name(name: &str) -> bool {
-    !name.is_empty() && name.chars().all(|c| c.is_alphanumeric() || c == '-' || c == '_')
+    !name.is_empty()
+        && name
+            .chars()
+            .all(|c| c.is_alphanumeric() || c == '-' || c == '_')
 }
 
 /// Generate error message for invalid session name
diff --git a/docs/src/app/configuration/page.mdx b/docs/src/app/configuration/page.mdx
index b7015a1..40acd0a 100644
--- a/docs/src/app/configuration/page.mdx
+++ b/docs/src/app/configuration/page.mdx
@@ -70,6 +70,7 @@ Every CLI flag can be set in the config file using its camelCase equivalent:
     <tr><td><code>device</code></td><td><code>--device</code></td><td>string</td></tr>
     <tr><td><code>ignoreHttpsErrors</code></td><td><code>--ignore-https-errors</code></td><td>boolean</td></tr>
     <tr><td><code>allowFileAccess</code></td><td><code>--allow-file-access</code></td><td>boolean</td></tr>
+    <tr><td><code>stealth</code></td><td><code>--stealth</code></td><td>boolean (default: true)</td></tr>
     <tr><td><code>cdp</code></td><td><code>--cdp</code></td><td>string</td></tr>
     <tr><td><code>autoConnect</code></td><td><code>--auto-connect</code></td><td>boolean</td></tr>
     <tr><td><code>colorScheme</code></td><td><code>--color-scheme</code></td><td>string (<code>dark</code>, <code>light</code>, <code>no-preference</code>)</td></tr>
@@ -131,7 +132,7 @@ agent-browser --headed open example.com       # same as --headed true
 agent-browser --headed true open example.com  # explicit
 ```
 
-This applies to all boolean flags: `--headed`, `--debug`, `--json`, `--ignore-https-errors`, `--allow-file-access`, `--auto-connect`.
+This applies to all boolean flags: `--headed`, `--debug`, `--json`, `--ignore-https-errors`, `--allow-file-access`, `--stealth`, `--auto-connect`.
 
 ## Extensions Merging
 
diff --git a/src/daemon.ts b/src/daemon.ts
index 9310ef0..e3eea75 100644
--- a/src/daemon.ts
+++ b/src/daemon.ts
@@ -450,6 +450,7 @@ export async function startDaemon(options?: {
 
               const ignoreHTTPSErrors = process.env.AGENT_BROWSER_IGNORE_HTTPS_ERRORS === '1';
               const allowFileAccess = process.env.AGENT_BROWSER_ALLOW_FILE_ACCESS === '1';
+              const stealth = process.env.AGENT_BROWSER_STEALTH !== '0';
               const colorSchemeEnv = process.env.AGENT_BROWSER_COLOR_SCHEME;
               const colorScheme =
                 colorSchemeEnv === 'dark' ||
@@ -470,6 +471,7 @@ export async function startDaemon(options?: {
                 proxy,
                 ignoreHTTPSErrors: ignoreHTTPSErrors,
                 allowFileAccess: allowFileAccess,
+                stealth,
                 colorScheme,
                 autoStateFilePath: getSessionAutoStatePath(),
               });
diff --git a/src/types.ts b/src/types.ts
index 857f282..d284416 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -32,6 +32,7 @@ export interface LaunchCommand extends BaseCommand {
   ignoreHTTPSErrors?: boolean;
   allowFileAccess?: boolean; // Enable file:// URL access and cross-origin file requests
   colorScheme?: 'light' | 'dark' | 'no-preference'; // Persistent color scheme override
+  stealth?: boolean; // Enable stealth mode to avoid automation detection
   // Auto-load state file for session persistence
   autoStateFilePath?: string;
 }
@@ -828,6 +829,7 @@ export interface WaitCommand extends BaseCommand {
   action: 'wait';
   selector?: string;
   timeout?: number;
+  timeoutMax?: number; // When set with timeout, waits a random duration in [timeout, timeoutMax]
   state?: 'attached' | 'detached' | 'visible' | 'hidden';
 }