diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index c35baef..dd2da0d 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -1767,6 +1767,7 @@ dependencies = [
  "serde_yaml",
  "serial_test",
  "sha1",
+ "sha2",
  "smoltcp",
  "sys-locale",
  "sysinfo",
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index fc22be4..d2beecf 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -85,6 +85,7 @@ aes = "0.8"
 cbc = "0.1"
 pbkdf2 = "0.12"
 sha1 = "0.10"
+sha2 = "0.10"
 hyper = { version = "1.8", features = ["full"] }
 hyper-util = { version = "0.1", features = ["full"] }
 http-body-util = "0.1"
diff --git a/src-tauri/src/cookie_manager.rs b/src-tauri/src/cookie_manager.rs
index 55da99f..7e7a241 100644
--- a/src-tauri/src/cookie_manager.rs
+++ b/src-tauri/src/cookie_manager.rs
@@ -13,14 +13,25 @@ use tauri::AppHandle;
 /// `encrypted_value` is empty, regardless of what other cookies store.
 pub mod chrome_decrypt {
   use aes::cipher::{block_padding::Pkcs7, BlockDecryptMut, KeyIvInit};
+  use sha2::{Digest, Sha256};
   use std::path::Path;
 
   type Aes128CbcDec = cbc::Decryptor<aes::Aes128>;
 
+  /// PBKDF2 iteration count for deriving the AES key from the password stored
+  /// in `os_crypt_key`. Must match Chromium's `OSCryptImpl` on each platform:
+  /// macOS uses 1003 iterations, Linux uses 1. Getting this wrong produces a
+  /// different AES key → silent decryption failure → empty cookie values.
+  /// See `components/os_crypt/sync/os_crypt_{mac.mm,linux.cc}` in Chromium.
+  #[cfg(target_os = "macos")]
+  const PBKDF2_ITERATIONS: u32 = 1003;
+  #[cfg(not(target_os = "macos"))]
   const PBKDF2_ITERATIONS: u32 = 1;
+
   const KEY_LEN: usize = 16; // AES-128
   const SALT: &[u8] = b"saltysalt";
   const IV: [u8; 16] = [b' '; 16]; // 16 spaces
+  const HOST_HASH_LEN: usize = 32; // SHA-256 output length
 
   fn derive_key(password: &[u8]) -> [u8; KEY_LEN] {
     let mut key = [0u8; KEY_LEN];
@@ -29,49 +40,43 @@ pub mod chrome_decrypt {
   }
 
   /// Get the encryption key for Chrome cookies.
-  /// Wayfern stores os_crypt_key as a file inside the profile's user-data-dir on all platforms.
-  /// On macOS/Linux the key is a base64 string used as PBKDF2 password.
+  ///
+  /// Wayfern stores `os_crypt_key` as a plain file inside the profile's
+  /// user-data-dir on all platforms (see the wayfern patches for
+  /// `os_crypt_mac.mm` and `os_crypt_linux.cc`). The file contains a
+  /// base64-encoded 128-bit random value that is used as the PBKDF2
+  /// password — not as the raw AES key — matching Chromium's
+  /// `OSCryptImpl::DeriveKey` flow.
+  ///
+  /// If the file is missing we return `None`. We must NEVER fall back to the
+  /// real macOS Keychain or any other system credential store. Wayfern
+  /// profiles are fully self-contained and reaching into another app's entry
+  /// would trigger the macOS "confidential information stored in …" prompt
+  /// and the "prevented from modifying other apps" warning.
   pub fn get_encryption_key(profile_data_path: &Path) -> Option<[u8; KEY_LEN]> {
     let key_file = profile_data_path.join("os_crypt_key");
-    if let Ok(contents) = std::fs::read_to_string(&key_file) {
-      let contents = contents.trim();
-      if !contents.is_empty() {
-        return Some(derive_key(contents.as_bytes()));
-      }
+    // Read as raw bytes and do NOT trim — Chromium's `ReadFileToString`
+    // passes the exact file contents to `Pbkdf2(file_contents)`. Any
+    // normalisation we do here would produce a different derived key.
+    let contents = std::fs::read(&key_file).ok()?;
+    if contents.is_empty() {
+      return None;
     }
-
-    // Fallback for macOS: try system Keychain (for profiles created before file-based keys)
-    #[cfg(target_os = "macos")]
-    {
-      let output = std::process::Command::new("security")
-        .args([
-          "find-generic-password",
-          "-w",
-          "-s",
-          "Chromium Safe Storage",
-          "-a",
-          "Chromium",
-        ])
-        .output()
-        .ok()?;
-      if output.status.success() {
-        let password = String::from_utf8_lossy(&output.stdout).trim().to_string();
-        if !password.is_empty() {
-          return Some(derive_key(password.as_bytes()));
-        }
-      }
-    }
-
-    None
+    Some(derive_key(&contents))
   }
 
   /// Decrypt a Chrome encrypted cookie value.
-  /// Chromium prefixes encrypted values with "v10" (macOS) or "v11" (Linux).
-  pub fn decrypt(encrypted: &[u8], key: &[u8; KEY_LEN]) -> Option<String> {
+  ///
+  /// Chromium prefixes encrypted values with "v10" / "v11" and, since ~M100,
+  /// prepends `SHA-256(host_key)` to the plaintext before encryption as an
+  /// integrity check. After decryption we verify and strip those 32 bytes
+  /// when present. Passing `host_key` is required to do that verification —
+  /// without it we'd return 32 bytes of hash noise plus the actual value,
+  /// which is not valid UTF-8 and gets thrown away.
+  pub fn decrypt(encrypted: &[u8], host_key: &str, key: &[u8; KEY_LEN]) -> Option<String> {
     if encrypted.len() < 3 {
       return None;
     }
-    // Check for v10/v11 prefix
     let prefix = &encrypted[..3];
     if prefix != b"v10" && prefix != b"v11" {
       return None;
@@ -86,6 +91,16 @@ pub mod chrome_decrypt {
       .decrypt_padded_mut::<Pkcs7>(&mut buf)
       .ok()?;
 
+    // Strip the SHA-256(host_key) integrity prefix if present. Older cookies
+    // (pre-M100) didn't have this prefix, so we fall back to the raw bytes
+    // when the first 32 bytes don't match the expected hash.
+    if decrypted.len() >= HOST_HASH_LEN {
+      let expected: [u8; HOST_HASH_LEN] = Sha256::digest(host_key.as_bytes()).into();
+      if decrypted[..HOST_HASH_LEN] == expected {
+        return String::from_utf8(decrypted[HOST_HASH_LEN..].to_vec()).ok();
+      }
+    }
+
     String::from_utf8(decrypted.to_vec()).ok()
   }
 }
@@ -166,7 +181,7 @@ impl CookieManager {
     chrome_decrypt::get_encryption_key(&profile_data_path)
   }
 
-  /// Get the cookie database path for a profile
+  /// Get the cookie database path for a profile (read-side: errors if missing).
   fn get_cookie_db_path(profile: &BrowserProfile, profiles_dir: &Path) -> Result<PathBuf, String> {
     let profile_data_path = profile.get_profile_data_path(profiles_dir);
 
@@ -194,6 +209,122 @@ impl CookieManager {
     }
   }
 
+  /// Get the cookie database path for a profile, creating an empty
+  /// browser-compatible database if it doesn't exist yet. Use this for write
+  /// paths (copy / import) so we can populate the cookie store of a profile
+  /// that has never been launched.
+  fn ensure_cookie_db_path(
+    profile: &BrowserProfile,
+    profiles_dir: &Path,
+  ) -> Result<PathBuf, String> {
+    let profile_data_path = profile.get_profile_data_path(profiles_dir);
+
+    match profile.browser.as_str() {
+      "wayfern" => {
+        let path = profile_data_path.join("Default").join("Cookies");
+        if !path.exists() {
+          Self::create_empty_chrome_cookies_db(&path)?;
+        }
+        Ok(path)
+      }
+      "camoufox" => {
+        let path = profile_data_path.join("cookies.sqlite");
+        if !path.exists() {
+          Self::create_empty_firefox_cookies_db(&path)?;
+        }
+        Ok(path)
+      }
+      _ => Err(format!(
+        "Unsupported browser type for cookie operations: {}",
+        profile.browser
+      )),
+    }
+  }
+
+  /// Create an empty Chromium-format Cookies SQLite database at `path`.
+  ///
+  /// Schema matches what recent Chromium versions write on first launch:
+  /// the `cookies` table, the `meta` table with version info, and the
+  /// `host_key/top_frame_site_key/name/path` unique index. Chromium's cookie
+  /// store migration code will upgrade this forward when Wayfern first
+  /// launches the profile.
+  fn create_empty_chrome_cookies_db(path: &Path) -> Result<(), String> {
+    if let Some(parent) = path.parent() {
+      std::fs::create_dir_all(parent)
+        .map_err(|e| format!("Failed to create cookie directory: {e}"))?;
+    }
+    let conn =
+      Connection::open(path).map_err(|e| format!("Failed to create cookie database: {e}"))?;
+    conn
+      .execute_batch(
+        "CREATE TABLE cookies(
+          creation_utc INTEGER NOT NULL,
+          host_key TEXT NOT NULL,
+          top_frame_site_key TEXT NOT NULL,
+          name TEXT NOT NULL,
+          value TEXT NOT NULL,
+          encrypted_value BLOB NOT NULL DEFAULT '',
+          path TEXT NOT NULL,
+          expires_utc INTEGER NOT NULL,
+          is_secure INTEGER NOT NULL,
+          is_httponly INTEGER NOT NULL,
+          last_access_utc INTEGER NOT NULL,
+          has_expires INTEGER NOT NULL DEFAULT 1,
+          is_persistent INTEGER NOT NULL DEFAULT 1,
+          priority INTEGER NOT NULL DEFAULT 1,
+          samesite INTEGER NOT NULL DEFAULT -1,
+          source_scheme INTEGER NOT NULL DEFAULT 0,
+          source_port INTEGER NOT NULL DEFAULT -1,
+          last_update_utc INTEGER NOT NULL DEFAULT 0,
+          source_type INTEGER NOT NULL DEFAULT 0,
+          has_cross_site_ancestor INTEGER NOT NULL DEFAULT 0
+        );
+        CREATE UNIQUE INDEX cookies_unique_index
+          ON cookies(host_key, top_frame_site_key, name, path);
+        CREATE TABLE meta(
+          key LONGVARCHAR NOT NULL UNIQUE PRIMARY KEY,
+          value LONGVARCHAR
+        );
+        INSERT INTO meta VALUES('version', '23');
+        INSERT INTO meta VALUES('last_compatible_version', '23');",
+      )
+      .map_err(|e| format!("Failed to initialize cookie database schema: {e}"))?;
+    Ok(())
+  }
+
+  /// Create an empty Firefox-format cookies.sqlite database at `path`.
+  fn create_empty_firefox_cookies_db(path: &Path) -> Result<(), String> {
+    if let Some(parent) = path.parent() {
+      std::fs::create_dir_all(parent)
+        .map_err(|e| format!("Failed to create cookie directory: {e}"))?;
+    }
+    let conn =
+      Connection::open(path).map_err(|e| format!("Failed to create cookie database: {e}"))?;
+    conn
+      .execute_batch(
+        "CREATE TABLE moz_cookies (
+          id INTEGER PRIMARY KEY,
+          originAttributes TEXT NOT NULL DEFAULT '',
+          name TEXT,
+          value TEXT,
+          host TEXT,
+          path TEXT,
+          expiry INTEGER,
+          lastAccessed INTEGER,
+          creationTime INTEGER,
+          isSecure INTEGER,
+          isHttpOnly INTEGER,
+          inBrowserElement INTEGER DEFAULT 0,
+          sameSite INTEGER DEFAULT 0,
+          rawSameSite INTEGER DEFAULT 0,
+          schemeMap INTEGER DEFAULT 0,
+          CONSTRAINT moz_uniqueid UNIQUE (name, host, path, originAttributes)
+        );",
+      )
+      .map_err(|e| format!("Failed to initialize cookie database schema: {e}"))?;
+    Ok(())
+  }
+
   /// Convert Chrome timestamp (Windows epoch, microseconds) to Unix timestamp (seconds)
   fn chrome_time_to_unix(chrome_time: i64) -> i64 {
     if chrome_time == 0 {
@@ -274,12 +405,14 @@ impl CookieManager {
         let last_access_utc: i64 = row.get(9)?;
         let encrypted_value: Vec<u8> = row.get(10)?;
 
-        // Use plaintext value if available, otherwise decrypt encrypted_value
+        // Use plaintext value if available, otherwise decrypt encrypted_value.
+        // Decryption needs the host_key (domain) to verify and strip the
+        // SHA-256 integrity prefix Chromium prepends before encryption.
         let value = if !plaintext_value.is_empty() {
           plaintext_value
         } else if !encrypted_value.is_empty() {
           encryption_key
-            .and_then(|key| chrome_decrypt::decrypt(&encrypted_value, key))
+            .and_then(|key| chrome_decrypt::decrypt(&encrypted_value, &domain, key))
             .unwrap_or_default()
         } else {
           String::new()
@@ -627,7 +760,9 @@ impl CookieManager {
         continue;
       }
 
-      let target_db_path = match Self::get_cookie_db_path(target, &profiles_dir) {
+      // Target may be a brand-new profile that has never been launched, so
+      // its Cookies DB file doesn't exist yet. Create an empty one on demand.
+      let target_db_path = match Self::ensure_cookie_db_path(target, &profiles_dir) {
         Ok(p) => p,
         Err(e) => {
           results.push(CookieCopyResult {
@@ -903,7 +1038,8 @@ impl CookieManager {
       return Err("No valid cookies found in the file".to_string());
     }
 
-    let db_path = Self::get_cookie_db_path(profile, &profiles_dir)?;
+    // Profile may have never been launched yet — create an empty DB on demand.
+    let db_path = Self::ensure_cookie_db_path(profile, &profiles_dir)?;
 
     let write_result = match profile.browser.as_str() {
       "camoufox" => Self::write_firefox_cookies(&db_path, &cookies),
@@ -1537,4 +1673,159 @@ mod tests {
     let _ = std::fs::remove_file(&ff_db);
     let _ = std::fs::remove_file(&chrome_db);
   }
+
+  /// Regression: decrypting a real v10-encrypted Chromium cookie with the
+  /// correct PBKDF2 iterations and the `SHA-256(host_key)` integrity-prefix
+  /// strip. Captured from a real Wayfern profile:
+  ///   host_key = ".github.com"
+  ///   name     = "_octo"
+  ///   password = "OSfgzI5GUqy/pK4ANrYugw=="   (contents of os_crypt_key)
+  ///   value    = "GH1.1.2077424036.1774792325"
+  ///
+  /// If PBKDF2 iterations or the host-hash prefix handling ever regress,
+  /// this test fails and we instantly know why all copied cookies end up
+  /// with empty values — which is exactly the bug that shipped and made
+  /// issue-265-style silent failures reappear.
+  #[test]
+  #[cfg(target_os = "macos")]
+  fn test_decrypt_v10_cookie_with_real_vector() {
+    let profile_dir =
+      std::env::temp_dir().join(format!("donut_decrypt_vector_{}", uuid::Uuid::new_v4()));
+    std::fs::create_dir_all(&profile_dir).unwrap();
+    std::fs::write(
+      profile_dir.join("os_crypt_key"),
+      b"OSfgzI5GUqy/pK4ANrYugw==",
+    )
+    .unwrap();
+
+    let key = chrome_decrypt::get_encryption_key(&profile_dir)
+      .expect("should derive key from os_crypt_key file");
+
+    let encrypted_hex = "76313077ad5b27e78f685a6ccc7b92a8a242e279e54b8d2ba8e55b433ca7e2421bec52369e29a57b593c02c839f50962245da3ed8617dce142fff67778950a271d2c07";
+    let encrypted: Vec<u8> = (0..encrypted_hex.len())
+      .step_by(2)
+      .map(|i| u8::from_str_radix(&encrypted_hex[i..i + 2], 16).unwrap())
+      .collect();
+
+    let decrypted = chrome_decrypt::decrypt(&encrypted, ".github.com", &key)
+      .expect("decryption must succeed with correct key and host");
+    assert_eq!(decrypted, "GH1.1.2077424036.1774792325");
+
+    let _ = std::fs::remove_dir_all(&profile_dir);
+  }
+
+  /// Sanity: decrypting with the wrong host_key (hash mismatch) must not
+  /// return a half-garbage value — it should fall back to the full
+  /// decrypted bytes, which for a modern cookie includes the 32-byte hash
+  /// prefix and therefore won't be valid UTF-8 → `None`.
+  #[test]
+  #[cfg(target_os = "macos")]
+  fn test_decrypt_with_wrong_host_returns_none_or_raw() {
+    let profile_dir =
+      std::env::temp_dir().join(format!("donut_decrypt_wrong_host_{}", uuid::Uuid::new_v4()));
+    std::fs::create_dir_all(&profile_dir).unwrap();
+    std::fs::write(
+      profile_dir.join("os_crypt_key"),
+      b"OSfgzI5GUqy/pK4ANrYugw==",
+    )
+    .unwrap();
+
+    let key = chrome_decrypt::get_encryption_key(&profile_dir).unwrap();
+    let encrypted_hex = "76313077ad5b27e78f685a6ccc7b92a8a242e279e54b8d2ba8e55b433ca7e2421bec52369e29a57b593c02c839f50962245da3ed8617dce142fff67778950a271d2c07";
+    let encrypted: Vec<u8> = (0..encrypted_hex.len())
+      .step_by(2)
+      .map(|i| u8::from_str_radix(&encrypted_hex[i..i + 2], 16).unwrap())
+      .collect();
+
+    // Wrong host: the prefix won't match, so we fall through to
+    // `String::from_utf8(full_decrypted)` which fails on the binary hash
+    // bytes and returns `None`. Either way, we must NOT return the real
+    // value "GH1.1.2077424036.1774792325".
+    let result = chrome_decrypt::decrypt(&encrypted, ".facebook.com", &key);
+    assert!(
+      result.as_deref() != Some("GH1.1.2077424036.1774792325"),
+      "decrypt must not return the real cookie value when host_key is wrong"
+    );
+
+    let _ = std::fs::remove_dir_all(&profile_dir);
+  }
+
+  /// Regression: a brand-new Wayfern profile has no `Default/Cookies` file
+  /// yet (Chromium only writes it on first launch). Copying/importing into
+  /// such a profile must create the file on demand.
+  #[test]
+  fn test_create_empty_chrome_cookies_db_then_write() {
+    let dir = std::env::temp_dir().join(format!("donut_empty_chrome_{}", uuid::Uuid::new_v4()));
+    let db_path = dir.join("Default").join("Cookies");
+    assert!(!db_path.exists());
+
+    CookieManager::create_empty_chrome_cookies_db(&db_path).unwrap();
+    assert!(db_path.exists());
+
+    // Round-trip: write a cookie into the freshly created DB, read it back.
+    let cookies = vec![UnifiedCookie {
+      name: "auth".to_string(),
+      value: "token123".to_string(),
+      domain: ".example.com".to_string(),
+      path: "/".to_string(),
+      expires: 1900000000,
+      is_secure: true,
+      is_http_only: true,
+      same_site: 0,
+      creation_time: 1700000000,
+      last_accessed: 1700000000,
+    }];
+    let (inserted, replaced) = CookieManager::write_chrome_cookies(&db_path, &cookies).unwrap();
+    assert_eq!(inserted, 1);
+    assert_eq!(replaced, 0);
+
+    let read = CookieManager::read_chrome_cookies(&db_path, None).unwrap();
+    assert_eq!(read.len(), 1);
+    assert_eq!(read[0].value, "token123");
+
+    // Schema sanity: `meta` table with version row exists so Chromium's
+    // cookie store migration code can upgrade this on first launch.
+    let conn = Connection::open(&db_path).unwrap();
+    let version: String = conn
+      .query_row("SELECT value FROM meta WHERE key = 'version'", [], |row| {
+        row.get(0)
+      })
+      .unwrap();
+    assert!(!version.is_empty());
+
+    let _ = std::fs::remove_dir_all(&dir);
+  }
+
+  /// Same regression, Firefox side: a fresh Camoufox profile has no
+  /// `cookies.sqlite` until the browser launches.
+  #[test]
+  fn test_create_empty_firefox_cookies_db_then_write() {
+    let dir = std::env::temp_dir().join(format!("donut_empty_ff_{}", uuid::Uuid::new_v4()));
+    let db_path = dir.join("cookies.sqlite");
+    assert!(!db_path.exists());
+
+    CookieManager::create_empty_firefox_cookies_db(&db_path).unwrap();
+    assert!(db_path.exists());
+
+    let cookies = vec![UnifiedCookie {
+      name: "sid".to_string(),
+      value: "ff-session".to_string(),
+      domain: ".example.org".to_string(),
+      path: "/".to_string(),
+      expires: 1900000000,
+      is_secure: true,
+      is_http_only: false,
+      same_site: 1,
+      creation_time: 1700000000,
+      last_accessed: 1700000000,
+    }];
+    let (inserted, _) = CookieManager::write_firefox_cookies(&db_path, &cookies).unwrap();
+    assert_eq!(inserted, 1);
+
+    let read = CookieManager::read_firefox_cookies(&db_path).unwrap();
+    assert_eq!(read.len(), 1);
+    assert_eq!(read[0].value, "ff-session");
+
+    let _ = std::fs::remove_dir_all(&dir);
+  }
 }
diff --git a/src-tauri/src/platform_browser.rs b/src-tauri/src/platform_browser.rs
index 9814225..cd75da2 100644
--- a/src-tauri/src/platform_browser.rs
+++ b/src-tauri/src/platform_browser.rs
@@ -89,96 +89,17 @@ pub mod macos {
       }
     }
 
-    // Fallback: Use AppleScript
-    let escaped_url = url
-      .replace("\"", "\\\"")
-      .replace("\\", "\\\\")
-      .replace("'", "\\'");
-
-    let script = format!(
-      r#"
-try
-  tell application "System Events"
-    -- Find the exact process by PID
-    set targetProcess to (first application process whose unix id is {pid})
-    
-    -- Verify the process exists
-    if not (exists targetProcess) then
-      error "No process found with PID {pid}"
-    end if
-    
-    -- Get the process name for verification
-    set processName to name of targetProcess
-    
-    -- Bring the process to the front first
-    set frontmost of targetProcess to true
-    delay 1.0
-    
-    -- Check if the process has any visible windows
-    set windowList to windows of targetProcess
-    set hasVisibleWindow to false
-    repeat with w in windowList
-      if visible of w is true then
-        set hasVisibleWindow to true
-        exit repeat
-      end if
-    end repeat
-    
-    if not hasVisibleWindow then
-      -- No visible windows, create a new one
-      tell targetProcess
-        keystroke "n" using command down
-        delay 2.0
-      end tell
-    end if
-    
-    -- Ensure the process is frontmost again
-    set frontmost of targetProcess to true
-    delay 0.5
-    
-    -- Focus on the address bar and open URL
-    tell targetProcess
-      -- Open a new tab
-      keystroke "t" using command down
-      delay 1.5
-      
-      -- Focus address bar (Cmd+L)
-      keystroke "l" using command down
-      delay 0.5
-      
-      -- Type the URL
-      keystroke "{escaped_url}"
-      delay 0.5
-      
-      -- Press Enter to navigate
-      keystroke return
-    end tell
-    
-    return "Successfully opened URL in " & processName & " (PID: {pid})"
-  end tell
-on error errMsg number errNum
-  return "AppleScript failed: " & errMsg & " (Error " & errNum & ")"
-end try
-      "#
-    );
-
-    log::info!("Executing AppleScript fallback for Firefox-based browser (PID: {pid})...");
-    let output = Command::new("osascript").args(["-e", &script]).output()?;
-
-    if !output.status.success() {
-      let error_msg = String::from_utf8_lossy(&output.stderr);
-      log::info!("AppleScript failed: {error_msg}");
-      return Err(
-        format!(
-          "Both Firefox remote command and AppleScript failed. AppleScript error: {error_msg}"
-        )
-        .into(),
-      );
-    } else {
-      log::info!("AppleScript succeeded");
-    }
-
-    Ok(())
+    // The Firefox `-new-tab` remote command failed. We intentionally do NOT
+    // fall back to an AppleScript `System Events` keystroke path: that would
+    // send Apple Events to another application and trigger the macOS TCC
+    // "<Donut> wants control of <Browser>" / "prevented from modifying other
+    // apps" prompts. Donut must never touch other apps on the user's Mac.
+    Err(
+      format!(
+        "Firefox remote command failed for PID {pid}; cannot open URL in existing window without touching other apps"
+      )
+      .into(),
+    )
   }
 
   pub async fn kill_browser_process_impl(
@@ -378,93 +299,18 @@ end try
       }
     }
 
-    // Fallback to AppleScript
-    let escaped_url = url
-      .replace("\"", "\\\"")
-      .replace("\\", "\\\\")
-      .replace("'", "\\'");
-
-    let script = format!(
-      r#"
-try
-  tell application "System Events"
-    -- Find the exact process by PID
-    set targetProcess to (first application process whose unix id is {pid})
-    
-    -- Verify the process exists
-    if not (exists targetProcess) then
-      error "No process found with PID {pid}"
-    end if
-    
-    -- Get the process name for verification
-    set processName to name of targetProcess
-    
-    -- Bring the process to the front first
-    set frontmost of targetProcess to true
-    delay 1.0
-    
-    -- Check if the process has any visible windows
-    set windowList to windows of targetProcess
-    set hasVisibleWindow to false
-    repeat with w in windowList
-      if visible of w is true then
-        set hasVisibleWindow to true
-        exit repeat
-      end if
-    end repeat
-    
-    if not hasVisibleWindow then
-      -- No visible windows, create a new one
-      tell targetProcess
-        keystroke "n" using command down
-        delay 2.0
-      end tell
-    end if
-    
-    -- Ensure the process is frontmost again
-    set frontmost of targetProcess to true
-    delay 0.5
-    
-    -- Focus on the address bar and open URL
-    tell targetProcess
-      -- Open a new tab
-      keystroke "t" using command down
-      delay 1.5
-      
-      -- Focus address bar (Cmd+L)
-      keystroke "l" using command down
-      delay 0.5
-      
-      -- Type the URL
-      keystroke "{escaped_url}"
-      delay 0.5
-      
-      -- Press Enter to navigate
-      keystroke return
-    end tell
-    
-    return "Successfully opened URL in " & processName & " (PID: {pid})"
-  end tell
-on error errMsg number errNum
-  return "AppleScript failed: " & errMsg & " (Error " & errNum & ")"
-end try
-      "#
-    );
-
-    log::info!("Executing AppleScript for Chromium-based browser (PID: {pid})...");
-    let output = Command::new("osascript").args(["-e", &script]).output()?;
-
-    if !output.status.success() {
-      let error_msg = String::from_utf8_lossy(&output.stderr);
-      log::info!("AppleScript failed: {error_msg}");
-      return Err(
-        format!("Failed to open URL in existing Chromium-based browser: {error_msg}").into(),
-      );
-    } else {
-      log::info!("AppleScript succeeded");
-    }
-
-    Ok(())
+    // The Chromium `--user-data-dir=<path> <url>` remote command failed.
+    // We intentionally do NOT fall back to an AppleScript `System Events`
+    // keystroke path: that would send Apple Events to another application
+    // and trigger the macOS TCC "<Donut> wants control of <Browser>" /
+    // "prevented from modifying other apps" prompts. Donut must never touch
+    // other apps on the user's Mac.
+    Err(
+      format!(
+        "Chromium remote command failed for PID {pid}; cannot open URL in existing window without touching other apps"
+      )
+      .into(),
+    )
   }
 }
 
diff --git a/src-tauri/src/synchronizer.rs b/src-tauri/src/synchronizer.rs
index 7de687d..d89de58 100644
--- a/src-tauri/src/synchronizer.rs
+++ b/src-tauri/src/synchronizer.rs
@@ -303,6 +303,11 @@ impl SynchronizerManager {
   }
 
   /// Bring the leader browser window to front.
+  ///
+  /// On macOS this is a no-op on purpose: the only way to raise another
+  /// app's window from Rust is via `osascript` / Apple Events, which
+  /// triggers the TCC "prevented from modifying other apps" prompt. Donut
+  /// must never touch other apps on the user's Mac.
   async fn focus_leader_window(leader: &BrowserProfile) {
     let profile = match Self::get_profile(&leader.id.to_string()) {
       Ok(p) => p,
@@ -312,18 +317,6 @@ impl SynchronizerManager {
       return;
     };
 
-    #[cfg(target_os = "macos")]
-    {
-      let _ = tokio::process::Command::new("osascript")
-        .arg("-e")
-        .arg(format!(
-          "tell application \"System Events\" to set frontmost of (first process whose unix id is {}) to true",
-          pid
-        ))
-        .output()
-        .await;
-    }
-
     #[cfg(target_os = "linux")]
     {
       let _ = tokio::process::Command::new("xdotool")
@@ -338,7 +331,7 @@ impl SynchronizerManager {
         .await;
     }
 
-    #[cfg(target_os = "windows")]
+    #[cfg(not(target_os = "linux"))]
     {
       let _ = pid;
     }
diff --git a/src-tauri/src/wayfern_manager.rs b/src-tauri/src/wayfern_manager.rs
index 01b59a3..8761a37 100644
--- a/src-tauri/src/wayfern_manager.rs
+++ b/src-tauri/src/wayfern_manager.rs
@@ -511,11 +511,11 @@ impl WayfernManager {
                   let name: String = row.get(0).unwrap_or_default();
                   let host: String = row.get(1).unwrap_or_default();
                   let encrypted: Vec<u8> = row.get(2).unwrap_or_default();
-                  let decrypted =
-                    crate::cookie_manager::chrome_decrypt::decrypt(
-                      &encrypted,
-                      &encryption_key,
-                    );
+                  let decrypted = crate::cookie_manager::chrome_decrypt::decrypt(
+                    &encrypted,
+                    &host,
+                    &encryption_key,
+                  );
                   match decrypted {
                     Some(val) => log::info!(
                       "Pre-launch: Cookie decryption SUCCEEDED for '{}' (host: {}, decrypted {} bytes)",
diff --git a/src/components/cookie-copy-dialog.tsx b/src/components/cookie-copy-dialog.tsx
index 2532032..5cb1816 100644
--- a/src/components/cookie-copy-dialog.tsx
+++ b/src/components/cookie-copy-dialog.tsx
@@ -77,11 +77,16 @@ export function CookieCopyDialog({
   );
   const [error, setError] = useState<string | null>(null);
 
+  // Never offer a selected profile as a source — you can't copy a profile's
+  // cookies onto itself, and including it here would leave the user in a
+  // dead-end state (source picked = target list empty = copy button disabled).
   const eligibleSourceProfiles = useMemo(() => {
     return profiles.filter(
-      (p) => p.browser === "wayfern" || p.browser === "camoufox",
+      (p) =>
+        !selectedProfiles.includes(p.id) &&
+        (p.browser === "wayfern" || p.browser === "camoufox"),
     );
-  }, [profiles]);
+  }, [profiles, selectedProfiles]);
 
   const targetProfiles = useMemo(() => {
     return profiles.filter(
@@ -148,22 +153,21 @@ export function CookieCopyDialog({
   const toggleDomain = useCallback(
     (domain: string, cookies: UnifiedCookie[]) => {
       setSelection((prev) => {
-        const current = prev[domain];
-        const allSelected = current.allSelected;
-
-        if (allSelected) {
+        // `prev[domain]` is `undefined` for any domain not yet interacted with
+        // and after the user fully deselects it (toggleCookie deletes the
+        // entry on empty). Treat missing as "not selected".
+        if (prev[domain]?.allSelected) {
           const newSelection = { ...prev };
           delete newSelection[domain];
           return newSelection;
-        } else {
-          return {
-            ...prev,
-            [domain]: {
-              allSelected: true,
-              cookies: new Set(cookies.map((c) => c.name)),
-            },
-          };
         }
+        return {
+          ...prev,
+          [domain]: {
+            allSelected: true,
+            cookies: new Set(cookies.map((c) => c.name)),
+          },
+        };
       });
     },
     [],
@@ -503,9 +507,13 @@ function DomainRow({
   onToggleCookie,
   onToggleExpand,
 }: DomainRowProps) {
+  // `selection[domain.domain]` is `undefined` for domains the user hasn't
+  // touched yet (initial state after loading cookies is `{}`) and for any
+  // domain the user fully deselected (toggleCookie deletes the entry on
+  // empty). Default to "no cookies selected" instead of crashing.
   const domainSelection = selection[domain.domain];
-  const isAllSelected = domainSelection.allSelected;
-  const selectedCount = domainSelection.cookies.size;
+  const isAllSelected = domainSelection?.allSelected ?? false;
+  const selectedCount = domainSelection?.cookies.size ?? 0;
   const isPartial =
     selectedCount > 0 && selectedCount < domain.cookie_count && !isAllSelected;
 
@@ -540,7 +548,8 @@ function DomainRow({
       {isExpanded && (
         <div className="ml-8 pl-2 border-l space-y-1">
           {domain.cookies.map((cookie) => {
-            const isSelected = domainSelection.cookies.has(cookie.name);
+            const isSelected =
+              domainSelection?.cookies.has(cookie.name) ?? false;
             return (
               <div
                 key={`${domain.domain}-${cookie.name}`}
diff --git a/src/components/cookie-management-dialog.tsx b/src/components/cookie-management-dialog.tsx
index 68457aa..55b70e5 100644
--- a/src/components/cookie-management-dialog.tsx
+++ b/src/components/cookie-management-dialog.tsx
@@ -309,8 +309,11 @@ export function CookieManagementDialog({
   const toggleDomain = useCallback(
     (domain: string, cookies: UnifiedCookie[]) => {
       setExportSelection((prev) => {
-        const current = prev[domain];
-        if (current.allSelected) {
+        // `prev[domain]` is `undefined` when the domain was previously fully
+        // deselected (entries are deleted on empty — see toggleCookie). Treat
+        // missing as "not selected" so re-enabling falls through to the add
+        // branch instead of crashing on `.allSelected`.
+        if (prev[domain]?.allSelected) {
           const next = { ...prev };
           delete next[domain];
           return next;
@@ -592,8 +595,8 @@ function ExportDomainRow({
   onToggleExpand,
 }: ExportDomainRowProps) {
   const domainSelection = selection[domain.domain];
-  const isAllSelected = domainSelection.allSelected;
-  const selectedCount = domainSelection.cookies.size;
+  const isAllSelected = domainSelection?.allSelected ?? false;
+  const selectedCount = domainSelection?.cookies.size ?? 0;
   const isPartial =
     selectedCount > 0 && selectedCount < domain.cookie_count && !isAllSelected;
 
@@ -628,7 +631,8 @@ function ExportDomainRow({
       {isExpanded && (
         <div className="ml-7 pl-2 border-l space-y-0.5">
           {domain.cookies.map((cookie) => {
-            const isSelected = domainSelection.cookies.has(cookie.name);
+            const isSelected =
+              domainSelection?.cookies.has(cookie.name) ?? false;
             return (
               <div
                 key={`${domain.domain}-${cookie.name}`}
diff --git a/src/components/profile-data-table.tsx b/src/components/profile-data-table.tsx
index 3777a63..30476aa 100644
--- a/src/components/profile-data-table.tsx
+++ b/src/components/profile-data-table.tsx
@@ -33,6 +33,7 @@ import {
   ProfileBypassRulesDialog,
   ProfileDnsBlocklistDialog,
   ProfileInfoDialog,
+  ProfileLaunchHookDialog,
 } from "@/components/profile-info-dialog";
 import { Badge } from "@/components/ui/badge";
 import { Button } from "@/components/ui/button";
@@ -937,6 +938,8 @@ export function ProfilesDataTable({
     React.useState<BrowserProfile | null>(null);
   const [dnsBlocklistProfile, setDnsBlocklistProfile] =
     React.useState<BrowserProfile | null>(null);
+  const [launchHookProfile, setLaunchHookProfile] =
+    React.useState<BrowserProfile | null>(null);
   const [launchingProfiles, setLaunchingProfiles] = React.useState<Set<string>>(
     new Set(),
   );
@@ -2680,6 +2683,9 @@ export function ProfilesDataTable({
               onOpenDnsBlocklist={(profile) => {
                 setDnsBlocklistProfile(profile);
               }}
+              onOpenLaunchHook={(profile) => {
+                setLaunchHookProfile(profile);
+              }}
               onCloneProfile={onCloneProfile}
               onLaunchWithSync={onLaunchWithSync}
               onDeleteProfile={(profile) => {
@@ -2770,6 +2776,14 @@ export function ProfilesDataTable({
         profileId={dnsBlocklistProfile?.id ?? null}
         currentLevel={dnsBlocklistProfile?.dns_blocklist ?? null}
       />
+      <ProfileLaunchHookDialog
+        isOpen={launchHookProfile !== null}
+        onClose={() => {
+          setLaunchHookProfile(null);
+        }}
+        profileId={launchHookProfile?.id ?? null}
+        currentLaunchHook={launchHookProfile?.launch_hook ?? null}
+      />
     </>
   );
 }
diff --git a/src/components/profile-info-dialog.tsx b/src/components/profile-info-dialog.tsx
index 19675b6..92a96a2 100644
--- a/src/components/profile-info-dialog.tsx
+++ b/src/components/profile-info-dialog.tsx
@@ -13,6 +13,7 @@ import {
   LuFingerprint,
   LuGlobe,
   LuGroup,
+  LuLink,
   LuPlus,
   LuPuzzle,
   LuRefreshCw,
@@ -66,6 +67,7 @@ interface ProfileInfoDialogProps {
   onAssignExtensionGroup?: (profileIds: string[]) => void;
   onOpenBypassRules?: (profile: BrowserProfile) => void;
   onOpenDnsBlocklist?: (profile: BrowserProfile) => void;
+  onOpenLaunchHook?: (profile: BrowserProfile) => void;
   onCloneProfile?: (profile: BrowserProfile) => void;
   onDeleteProfile?: (profile: BrowserProfile) => void;
   onLaunchWithSync?: (profile: BrowserProfile) => void;
@@ -113,6 +115,7 @@ export function ProfileInfoDialog({
   onAssignExtensionGroup,
   onOpenBypassRules,
   onOpenDnsBlocklist,
+  onOpenLaunchHook,
   onCloneProfile,
   onDeleteProfile,
   onLaunchWithSync,
@@ -128,8 +131,6 @@ export function ProfileInfoDialog({
   const [extensionGroupName, setExtensionGroupName] = React.useState<
     string | null
   >(null);
-  const [launchHookValue, setLaunchHookValue] = React.useState("");
-  const [isSavingLaunchHook, setIsSavingLaunchHook] = React.useState(false);
 
   React.useEffect(() => {
     if (!isOpen || !profile?.group_id) {
@@ -171,12 +172,6 @@ export function ProfileInfoDialog({
     }
   }, [isOpen]);
 
-  React.useEffect(() => {
-    if (isOpen) {
-      setLaunchHookValue(profile?.launch_hook ?? "");
-    }
-  }, [isOpen, profile?.launch_hook]);
-
   if (!profile) return null;
 
   const ProfileIcon = getProfileIcon(profile);
@@ -225,23 +220,14 @@ export function ProfileInfoDialog({
   const hasTags = profile.tags && profile.tags.length > 0;
   const hasNote = !!profile.note;
   const showCrossOs = isCrossOsProfile(profile);
-  const trimmedLaunchHook = launchHookValue.trim();
-  const savedLaunchHook = profile.launch_hook ?? "";
-
-  const handleSaveLaunchHook = async () => {
-    setIsSavingLaunchHook(true);
-    try {
-      await invoke("update_profile_launch_hook", {
-        profileId: profile.id,
-        launchHook: trimmedLaunchHook || null,
-      });
-    } catch (error) {
-      console.error("Failed to update launch hook:", error);
-    } finally {
-      setIsSavingLaunchHook(false);
-    }
-  };
 
+  // Items in the settings tab `actions` list MUST only open another dialog
+  // (or trigger a navigation/action that closes this one). Do NOT put inline
+  // settings UI — inputs, toggles, save buttons — directly in this dialog's
+  // settings tab. Each setting belongs in its own focused dialog (see
+  // `ProfileLaunchHookDialog`, `ProfileBypassRulesDialog`,
+  // `ProfileDnsBlocklistDialog` for the pattern). The settings tab is purely
+  // a navigation hub.
   interface ActionItem {
     icon: React.ReactNode;
     label: string;
@@ -360,6 +346,14 @@ export function ProfileInfoDialog({
         handleAction(() => onOpenDnsBlocklist?.(profile));
       },
     },
+    {
+      icon: <LuLink className="w-4 h-4" />,
+      label: t("profiles.actions.launchHook"),
+      onClick: () => {
+        handleAction(() => onOpenLaunchHook?.(profile));
+      },
+      hidden: !onOpenLaunchHook,
+    },
     {
       icon: <LuTrash2 className="w-4 h-4" />,
       label: t("profiles.actions.delete"),
@@ -575,31 +569,6 @@ export function ProfileInfoDialog({
           <TabsContent value="settings">
             <div className="overflow-y-auto max-h-[calc(80vh-12rem)]">
               <div className="flex flex-col gap-3 py-1">
-                <div className="rounded-md bg-muted/50 border px-3 py-3">
-                  <p className="text-xs text-muted-foreground">
-                    {t("profileInfo.launchHook.label")}
-                  </p>
-                  <div className="flex gap-2 mt-2">
-                    <Input
-                      value={launchHookValue}
-                      onChange={(e) => {
-                        setLaunchHookValue(e.target.value);
-                      }}
-                      placeholder={t("profileInfo.launchHook.placeholder")}
-                      disabled={isSavingLaunchHook}
-                    />
-                    <Button
-                      onClick={() => void handleSaveLaunchHook()}
-                      disabled={
-                        isSavingLaunchHook ||
-                        trimmedLaunchHook === savedLaunchHook
-                      }
-                    >
-                      {t("common.buttons.save")}
-                    </Button>
-                  </div>
-                </div>
-
                 <div className="flex flex-col">
                   {visibleActions.map((action) => (
                     <button
@@ -639,6 +608,80 @@ export function ProfileInfoDialog({
   );
 }
 
+interface ProfileLaunchHookDialogProps {
+  isOpen: boolean;
+  onClose: () => void;
+  profileId: string | null;
+  currentLaunchHook: string | null;
+}
+
+export function ProfileLaunchHookDialog({
+  isOpen,
+  onClose,
+  profileId,
+  currentLaunchHook,
+}: ProfileLaunchHookDialogProps) {
+  const { t } = useTranslation();
+  const [value, setValue] = React.useState(currentLaunchHook ?? "");
+  const [isSaving, setIsSaving] = React.useState(false);
+
+  React.useEffect(() => {
+    if (isOpen) {
+      setValue(currentLaunchHook ?? "");
+    }
+  }, [isOpen, currentLaunchHook]);
+
+  const trimmed = value.trim();
+  const saved = currentLaunchHook ?? "";
+  const isDirty = trimmed !== saved;
+
+  const handleSave = async () => {
+    if (!profileId) return;
+    setIsSaving(true);
+    try {
+      await invoke("update_profile_launch_hook", {
+        profileId,
+        launchHook: trimmed || null,
+      });
+      onClose();
+    } catch (err) {
+      console.error("Failed to update launch hook:", err);
+    } finally {
+      setIsSaving(false);
+    }
+  };
+
+  return (
+    <Dialog open={isOpen} onOpenChange={(open) => !open && onClose()}>
+      <DialogContent className="sm:max-w-md">
+        <DialogHeader>
+          <DialogTitle>{t("profileInfo.launchHook.title")}</DialogTitle>
+        </DialogHeader>
+        <p className="text-xs text-muted-foreground">
+          {t("profileInfo.launchHook.description")}
+        </p>
+        <Input
+          value={value}
+          onChange={(e) => {
+            setValue(e.target.value);
+          }}
+          placeholder={t("profileInfo.launchHook.placeholder")}
+          disabled={isSaving}
+        />
+        <DialogFooter>
+          <Button
+            onClick={() => void handleSave()}
+            disabled={isSaving || !isDirty}
+            className="w-full"
+          >
+            {t("common.buttons.save")}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}
+
 interface ProfileDnsBlocklistDialogProps {
   isOpen: boolean;
   onClose: () => void;
diff --git a/src/i18n/locales/en.json b/src/i18n/locales/en.json
index 61c3d3c..85ba5e7 100644
--- a/src/i18n/locales/en.json
+++ b/src/i18n/locales/en.json
@@ -183,7 +183,8 @@
       "syncSettings": "Sync Settings",
       "assignToGroup": "Assign to Group",
       "changeFingerprint": "Change Fingerprint",
-      "copyCookiesToProfile": "Copy Cookies to Profile"
+      "copyCookiesToProfile": "Copy Cookies to Profile",
+      "launchHook": "Launch Hook URL"
     },
     "synchronizer": {
       "launchWithSync": "Launch with Synchronizer",
@@ -789,7 +790,9 @@
       "ruleTypes": "Supports hostnames, IP addresses, and regex patterns."
     },
     "launchHook": {
+      "title": "Launch Hook URL",
       "label": "Launch Hook URL",
+      "description": "Donut Browser will POST to this URL whenever the profile is launched.",
       "placeholder": "https://example.com/hooks/profile-launch"
     },
     "actions": {
diff --git a/src/i18n/locales/es.json b/src/i18n/locales/es.json
index 3ab5a97..8d59fcc 100644
--- a/src/i18n/locales/es.json
+++ b/src/i18n/locales/es.json
@@ -183,7 +183,8 @@
       "syncSettings": "Configuración de Sincronización",
       "assignToGroup": "Asignar a Grupo",
       "changeFingerprint": "Cambiar Huella Digital",
-      "copyCookiesToProfile": "Copiar Cookies al Perfil"
+      "copyCookiesToProfile": "Copiar Cookies al Perfil",
+      "launchHook": "URL del hook de inicio"
     },
     "synchronizer": {
       "launchWithSync": "Lanzar con Sincronizador",
@@ -789,7 +790,9 @@
       "ruleTypes": "Soporta nombres de host, direcciones IP y patrones regex."
     },
     "launchHook": {
+      "title": "URL del hook de inicio",
       "label": "URL del hook de inicio",
+      "description": "Donut Browser enviará una solicitud POST a esta URL cada vez que se inicie el perfil.",
       "placeholder": "https://example.com/hooks/profile-launch"
     },
     "actions": {
diff --git a/src/i18n/locales/fr.json b/src/i18n/locales/fr.json
index c89ddc7..db1704f 100644
--- a/src/i18n/locales/fr.json
+++ b/src/i18n/locales/fr.json
@@ -183,7 +183,8 @@
       "syncSettings": "Paramètres de Synchronisation",
       "assignToGroup": "Assigner au Groupe",
       "changeFingerprint": "Changer l'Empreinte",
-      "copyCookiesToProfile": "Copier les Cookies vers le Profil"
+      "copyCookiesToProfile": "Copier les Cookies vers le Profil",
+      "launchHook": "URL du hook de lancement"
     },
     "synchronizer": {
       "launchWithSync": "Lancer avec le synchroniseur",
@@ -789,7 +790,9 @@
       "ruleTypes": "Prend en charge les noms d'hôte, les adresses IP et les expressions régulières."
     },
     "launchHook": {
+      "title": "URL du hook de lancement",
       "label": "URL du hook de lancement",
+      "description": "Donut Browser enverra une requête POST à cette URL chaque fois que le profil est lancé.",
       "placeholder": "https://example.com/hooks/profile-launch"
     },
     "actions": {
diff --git a/src/i18n/locales/ja.json b/src/i18n/locales/ja.json
index a520c56..fcb8985 100644
--- a/src/i18n/locales/ja.json
+++ b/src/i18n/locales/ja.json
@@ -183,7 +183,8 @@
       "syncSettings": "同期設定",
       "assignToGroup": "グループに割り当て",
       "changeFingerprint": "フィンガープリントを変更",
-      "copyCookiesToProfile": "Cookieをプロファイルにコピー"
+      "copyCookiesToProfile": "Cookieをプロファイルにコピー",
+      "launchHook": "起動フックURL"
     },
     "synchronizer": {
       "launchWithSync": "シンクロナイザーで起動",
@@ -789,7 +790,9 @@
       "ruleTypes": "ホスト名、IPアドレス、正規表現パターンをサポートしています。"
     },
     "launchHook": {
+      "title": "起動フックURL",
       "label": "起動フックURL",
+      "description": "プロファイルが起動されるたびに、Donut BrowserはこのURLにPOSTリクエストを送信します。",
       "placeholder": "https://example.com/hooks/profile-launch"
     },
     "actions": {
diff --git a/src/i18n/locales/pt.json b/src/i18n/locales/pt.json
index 267e393..00908a5 100644
--- a/src/i18n/locales/pt.json
+++ b/src/i18n/locales/pt.json
@@ -183,7 +183,8 @@
       "syncSettings": "Configurações de Sincronização",
       "assignToGroup": "Atribuir ao Grupo",
       "changeFingerprint": "Alterar Impressão Digital",
-      "copyCookiesToProfile": "Copiar Cookies para o Perfil"
+      "copyCookiesToProfile": "Copiar Cookies para o Perfil",
+      "launchHook": "URL do hook de inicialização"
     },
     "synchronizer": {
       "launchWithSync": "Iniciar com Sincronizador",
@@ -789,7 +790,9 @@
       "ruleTypes": "Suporta nomes de host, endereços IP e padrões regex."
     },
     "launchHook": {
+      "title": "URL do hook de inicialização",
       "label": "URL do hook de inicialização",
+      "description": "O Donut Browser enviará uma requisição POST para esta URL sempre que o perfil for iniciado.",
       "placeholder": "https://example.com/hooks/profile-launch"
     },
     "actions": {
diff --git a/src/i18n/locales/ru.json b/src/i18n/locales/ru.json
index 31d24ce..d752b3d 100644
--- a/src/i18n/locales/ru.json
+++ b/src/i18n/locales/ru.json
@@ -183,7 +183,8 @@
       "syncSettings": "Настройки синхронизации",
       "assignToGroup": "Назначить группе",
       "changeFingerprint": "Изменить отпечаток",
-      "copyCookiesToProfile": "Копировать Cookie в профиль"
+      "copyCookiesToProfile": "Копировать Cookie в профиль",
+      "launchHook": "URL хука запуска"
     },
     "synchronizer": {
       "launchWithSync": "Запустить с синхронизатором",
@@ -789,7 +790,9 @@
       "ruleTypes": "Поддерживает имена хостов, IP-адреса и шаблоны регулярных выражений."
     },
     "launchHook": {
+      "title": "URL хука запуска",
       "label": "URL хука запуска",
+      "description": "Donut Browser будет отправлять POST-запрос на этот URL при каждом запуске профиля.",
       "placeholder": "https://example.com/hooks/profile-launch"
     },
     "actions": {
diff --git a/src/i18n/locales/zh.json b/src/i18n/locales/zh.json
index 2e2241b..1c79480 100644
--- a/src/i18n/locales/zh.json
+++ b/src/i18n/locales/zh.json
@@ -183,7 +183,8 @@
       "syncSettings": "同步设置",
       "assignToGroup": "分配到组",
       "changeFingerprint": "更改指纹",
-      "copyCookiesToProfile": "复制 Cookies 到配置文件"
+      "copyCookiesToProfile": "复制 Cookies 到配置文件",
+      "launchHook": "启动钩子 URL"
     },
     "synchronizer": {
       "launchWithSync": "使用同步器启动",
@@ -789,7 +790,9 @@
       "ruleTypes": "支持主机名、IP地址和正则表达式模式。"
     },
     "launchHook": {
+      "title": "启动钩子 URL",
       "label": "启动钩子 URL",
+      "description": "每次启动配置文件时，Donut Browser 都会向此 URL 发送 POST 请求。",
       "placeholder": "https://example.com/hooks/profile-launch"
     },
     "actions": {