feat(stealth): 优化隐身对抗并引入双版本发布体系

- 将 CreepJS like headless 指标优化到 0%（headless/stealth 维持 0%）

- 新增 ActiveText 与 prefers-color-scheme 探针修复

- 版本号采用 <upstream>-fork.<fork> 格式并在 --version 输出 upstream/fork

- 更新 README、SKILL 与 docs 中的版本体系说明

cli/Cargo.lock

@@ -4,7 +4,7 @@ version = 4
 
 [[package]]
 name = "agent-browser-stealth"
-version = "0.14.0"
+version = "0.14.0-fork.1"
 dependencies = [
  "base64",
  "dirs",

cli/Cargo.toml

@@ -1,10 +1,14 @@
 [package]
 name = "agent-browser-stealth"
-version = "0.14.0"
+version = "0.14.0-fork.1"
 edition = "2021"
 description = "Stealth browser automation CLI for AI agents with anti-bot evasions"
 license = "Apache-2.0"
 
+[[bin]]
+name = "agent-browser"
+path = "src/main.rs"
+
 [dependencies]
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"

cli/src/flags.rs

@@ -242,7 +242,10 @@ 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),
+        headed: match env::var("AGENT_BROWSER_HEADED") {
+            Ok(val) => !matches!(val.to_lowercase().as_str(), "0" | "false" | "no" | ""),
+            Err(_) => config.headed.unwrap_or(true),
+        },
         debug: env_var_is_truthy("AGENT_BROWSER_DEBUG") || config.debug.unwrap_or(false),
         session: env::var("AGENT_BROWSER_SESSION")
             .ok()

cli/src/output.rs

@@ -2126,7 +2126,7 @@ Options:
   --session-name <name>      Auto-save/restore session state (cookies, localStorage)
   --config <path>            Use a custom config file (or AGENT_BROWSER_CONFIG env)
   --debug                    Debug output
-  --version, -V              Show version
+  --version, -V              Show version (fork builds include upstream/fork info)
 
 Configuration:
   agent-browser looks for agent-browser.json in these locations (lowest to highest priority):
@@ -2290,6 +2290,35 @@ fn print_screenshot_diff(data: &serde_json::Map<String, serde_json::Value>) {
     );
 }
 
-pub fn print_version() {
-    println!("agent-browser {}", env!("CARGO_PKG_VERSION"));
+/// Parse fork version metadata from semver-like strings:
+///   <upstream>-fork.<fork>
+/// Example:
+///   0.14.0-fork.1 -> (0.14.0, 1)
+fn parse_fork_version(version: &str) -> Option<(&str, &str)> {
+    let (upstream, fork) = version.split_once("-fork.")?;
+    if upstream.is_empty() || fork.is_empty() {
+        return None;
+    }
+    if !upstream
+        .chars()
+        .all(|c| c.is_ascii_digit() || c == '.' || c == '-')
+    {
+        return None;
+    }
+    if !fork.chars().all(|c| c.is_ascii_alphanumeric() || c == '.' || c == '-') {
+        return None;
+    }
+    Some((upstream, fork))
+}
+
+pub fn print_version() {
+    let version = env!("CARGO_PKG_VERSION");
+    if let Some((upstream, fork)) = parse_fork_version(version) {
+        println!(
+            "agent-browser {} (upstream {}, fork {})",
+            version, upstream, fork
+        );
+    } else {
+        println!("agent-browser {}", version);
+    }
 }