feat: full ui refresh

src-tauri/src/app_dirs.rs

@@ -108,6 +108,17 @@ pub fn dns_blocklist_dir() -> PathBuf {
   cache_dir().join("dns_blocklists")
 }
 
+/// Resolve the directory that tauri-plugin-log writes to. Mirrors the
+/// `LogDir` target used in the plugin builder so the path matches what's
+/// actually on disk for this OS.
+pub fn log_dir<R: tauri::Runtime>(handle: &tauri::AppHandle<R>) -> PathBuf {
+  use tauri::Manager;
+  handle
+    .path()
+    .app_log_dir()
+    .unwrap_or_else(|_| std::env::temp_dir())
+}
+
 #[cfg(test)]
 thread_local! {
   static TEST_DATA_DIR: std::cell::RefCell<Option<PathBuf>> = const { std::cell::RefCell::new(None) };

src-tauri/src/browser_runner.rs

@@ -83,32 +83,73 @@ impl BrowserRunner {
     Ok(PROXY_MANAGER.get_proxy_settings_by_id(proxy_id))
   }
 
-  async fn resolve_launch_hook_proxy(
-    &self,
-    profile: &BrowserProfile,
-  ) -> Result<Option<ProxySettings>, String> {
-    let Some(url) = profile.launch_hook.as_deref() else {
-      return Ok(None);
+  fn fire_launch_hook(profile: &BrowserProfile) {
+    let Some(raw_url) = profile.launch_hook.as_deref() else {
+      return;
+    };
+    let trimmed = raw_url.trim();
+    if trimmed.is_empty() {
+      return;
+    }
+
+    let parsed = match url::Url::parse(trimmed) {
+      Ok(u) => u,
+      Err(e) => {
+        log::warn!(
+          "Skipping launch hook for profile {} (ID: {}): invalid URL: {e}",
+          profile.name,
+          profile.id
+        );
+        return;
+      }
     };
 
-    log::info!(
-      "Calling launch hook for profile {} (ID: {})",
-      profile.name,
-      profile.id
-    );
+    if !matches!(parsed.scheme(), "http" | "https") {
+      log::warn!(
+        "Skipping launch hook for profile {} (ID: {}): URL must be http or https",
+        profile.name,
+        profile.id
+      );
+      return;
+    }
 
-    PROXY_MANAGER
-      .fetch_proxy_from_url(url, Duration::from_millis(500))
-      .await
+    let url = parsed.to_string();
+    let profile_name = profile.name.clone();
+    let profile_id = profile.id.to_string();
+
+    log::info!("Firing launch hook GET {url} for profile {profile_name} (ID: {profile_id})");
+
+    tokio::spawn(async move {
+      let client = match reqwest::Client::builder()
+        .timeout(Duration::from_secs(5))
+        .build()
+      {
+        Ok(c) => c,
+        Err(e) => {
+          log::warn!("Launch hook client build failed for {url}: {e}");
+          return;
+        }
+      };
+
+      match client.get(&url).send().await {
+        Ok(resp) => {
+          log::info!(
+            "Launch hook {url} for profile {profile_name} returned status {}",
+            resp.status()
+          );
+        }
+        Err(e) => {
+          log::warn!("Launch hook {url} for profile {profile_name} failed: {e}");
+        }
+      }
+    });
   }
 
   async fn resolve_launch_proxy(
     &self,
     profile: &BrowserProfile,
   ) -> Result<Option<ProxySettings>, String> {
-    if let Some(proxy_settings) = self.resolve_launch_hook_proxy(profile).await? {
-      return Ok(Some(proxy_settings));
-    }
+    Self::fire_launch_hook(profile);
 
     self
       .resolve_proxy_with_refresh(profile.proxy_id.as_ref(), Some(&profile.id.to_string()))

src-tauri/src/cookie_manager.rs

@@ -1,6 +1,6 @@
 use crate::profile::manager::ProfileManager;
 use crate::profile::BrowserProfile;
-use rusqlite::{params, Connection};
+use rusqlite::{params, Connection, OpenFlags};
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
 use std::collections::HashMap;
@@ -134,6 +134,24 @@ pub struct CookieReadResult {
   pub total_count: usize,
 }
 
+/// Lightweight cookie metadata for the profile-info dialog. Computed without
+/// decrypting any cookie values, so it stays cheap even for multi-MB Chromium
+/// cookie stores and never blocks the runtime for noticeable time.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct CookieStats {
+  pub profile_id: String,
+  pub browser_type: String,
+  pub total_count: usize,
+  /// Every domain the profile has cookies for, sorted by cookie count desc.
+  pub domains: Vec<DomainCount>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DomainCount {
+  pub domain: String,
+  pub count: usize,
+}
+
 /// Request to copy specific cookies
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct CookieCopyRequest {
@@ -694,6 +712,135 @@ impl CookieManager {
     })
   }
 
+  /// Open the cookie SQLite database read-only without acquiring any lock.
+  ///
+  /// `immutable=1` tells SQLite the file will not change during the read,
+  /// which causes it to skip all locking. That lets us read metadata even
+  /// while the browser holds an exclusive lock on the cookies database —
+  /// the trade-off is that we may see a slightly stale snapshot, which is
+  /// acceptable for the badge/preview use cases this powers.
+  fn open_cookie_db_readonly(db_path: &Path) -> Result<Connection, String> {
+    let path_str = db_path.to_string_lossy();
+    if path_str.contains('?') || path_str.contains('#') {
+      return Err(
+        serde_json::json!({
+          "code": "COOKIE_DB_UNAVAILABLE",
+          "params": { "detail": "profile path contains a reserved URI character" }
+        })
+        .to_string(),
+      );
+    }
+    let uri = format!("file:{path_str}?mode=ro&immutable=1");
+    Connection::open_with_flags(
+      &uri,
+      OpenFlags::SQLITE_OPEN_READ_ONLY
+        | OpenFlags::SQLITE_OPEN_URI
+        | OpenFlags::SQLITE_OPEN_NO_MUTEX,
+    )
+    .map_err(|e| {
+      let code = if e.to_string().to_lowercase().contains("locked") {
+        "COOKIE_DB_LOCKED"
+      } else {
+        "COOKIE_DB_UNAVAILABLE"
+      };
+      serde_json::json!({
+        "code": code,
+        "params": { "detail": e.to_string() }
+      })
+      .to_string()
+    })
+  }
+
+  /// Public API: read lightweight stats (total count + top 5 domains) for a
+  /// profile's cookie store. Reads from a snapshot view of the SQLite file
+  /// without holding a lock, so this works while the browser is running.
+  pub fn read_stats(profile_id: &str) -> Result<CookieStats, String> {
+    let profile_manager = ProfileManager::instance();
+    let profiles_dir = profile_manager.get_profiles_dir();
+    let profiles = profile_manager.list_profiles().map_err(|e| {
+      serde_json::json!({
+        "code": "COOKIE_DB_UNAVAILABLE",
+        "params": { "detail": e.to_string() }
+      })
+      .to_string()
+    })?;
+
+    let profile = profiles
+      .iter()
+      .find(|p| p.id.to_string() == profile_id)
+      .ok_or_else(|| serde_json::json!({ "code": "PROFILE_NOT_FOUND" }).to_string())?;
+
+    let db_path = Self::get_cookie_db_path(profile, &profiles_dir).map_err(|e| {
+      serde_json::json!({
+        "code": "COOKIE_DB_UNAVAILABLE",
+        "params": { "detail": e }
+      })
+      .to_string()
+    })?;
+
+    let conn = Self::open_cookie_db_readonly(&db_path)?;
+
+    let (count_sql, domain_sql) = match profile.browser.as_str() {
+      "camoufox" => (
+        "SELECT COUNT(*) FROM moz_cookies",
+        "SELECT host, COUNT(*) FROM moz_cookies GROUP BY host ORDER BY COUNT(*) DESC, host ASC",
+      ),
+      "wayfern" => (
+        "SELECT COUNT(*) FROM cookies",
+        "SELECT host_key, COUNT(*) FROM cookies GROUP BY host_key ORDER BY COUNT(*) DESC, host_key ASC",
+      ),
+      _ => {
+        return Err(
+          serde_json::json!({
+            "code": "COOKIE_DB_UNAVAILABLE",
+            "params": { "detail": format!("unsupported browser: {}", profile.browser) }
+          })
+          .to_string(),
+        )
+      }
+    };
+
+    let total_count: usize = conn
+      .query_row(count_sql, [], |row| row.get::<_, i64>(0))
+      .map_err(|e| {
+        serde_json::json!({
+          "code": "COOKIE_DB_UNAVAILABLE",
+          "params": { "detail": e.to_string() }
+        })
+        .to_string()
+      })? as usize;
+
+    let mut stmt = conn.prepare(domain_sql).map_err(|e| {
+      serde_json::json!({
+        "code": "COOKIE_DB_UNAVAILABLE",
+        "params": { "detail": e.to_string() }
+      })
+      .to_string()
+    })?;
+    let domains: Vec<DomainCount> = stmt
+      .query_map([], |row| {
+        Ok(DomainCount {
+          domain: row.get::<_, String>(0)?,
+          count: row.get::<_, i64>(1)? as usize,
+        })
+      })
+      .and_then(|rows| rows.collect::<Result<Vec<_>, _>>())
+      .map_err(|e| {
+        serde_json::json!({
+          "code": "COOKIE_DB_UNAVAILABLE",
+          "params": { "detail": e.to_string() }
+        })
+        .to_string()
+      })?;
+
+    Ok(CookieStats {
+      profile_id: profile_id.to_string(),
+      browser_type: profile.browser.clone(),
+      total_count,
+      domains,
+    })
+  }
+
   /// Public API: Copy cookies between profiles
   pub async fn copy_cookies(
     app_handle: &AppHandle,

src-tauri/src/lib.rs

@@ -93,16 +93,16 @@ use downloader::{cancel_download, download_browser};
 use settings_manager::{
   decline_launch_on_login, dismiss_window_resize_warning, enable_launch_on_login, get_app_settings,
   get_sync_settings, get_system_info, get_system_language, get_table_sorting_settings,
-  get_window_resize_warning_dismissed, save_app_settings, save_sync_settings,
-  save_table_sorting_settings, should_show_launch_on_login_prompt,
+  get_window_resize_warning_dismissed, open_log_directory, read_log_files, save_app_settings,
+  save_sync_settings, save_table_sorting_settings, should_show_launch_on_login_prompt,
 };
 
 use sync::{
   check_has_e2e_password, delete_e2e_password, enable_sync_for_all_entities,
   get_unsynced_entity_counts, is_group_in_use_by_synced_profile, is_proxy_in_use_by_synced_profile,
-  is_vpn_in_use_by_synced_profile, request_profile_sync, set_e2e_password,
-  set_extension_group_sync_enabled, set_extension_sync_enabled, set_group_sync_enabled,
-  set_profile_sync_mode, set_proxy_sync_enabled, set_vpn_sync_enabled,
+  is_vpn_in_use_by_synced_profile, request_profile_sync, rollover_encryption_for_all_entities,
+  set_e2e_password, set_extension_group_sync_enabled, set_extension_sync_enabled,
+  set_group_sync_enabled, set_profile_sync_mode, set_proxy_sync_enabled, set_vpn_sync_enabled,
 };
 
 use tag_manager::get_all_tags;
@@ -310,8 +310,21 @@ async fn import_proxies_from_parsed(
 }
 
 #[tauri::command]
-fn read_profile_cookies(profile_id: String) -> Result<cookie_manager::CookieReadResult, String> {
-  cookie_manager::CookieManager::read_cookies(&profile_id)
+async fn read_profile_cookies(
+  profile_id: String,
+) -> Result<cookie_manager::CookieReadResult, String> {
+  tokio::task::spawn_blocking(move || cookie_manager::CookieManager::read_cookies(&profile_id))
+    .await
+    .map_err(|e| format!("Failed to read profile cookies: {e}"))?
+}
+
+#[tauri::command]
+async fn get_profile_cookie_stats(
+  profile_id: String,
+) -> Result<cookie_manager::CookieStats, String> {
+  tokio::task::spawn_blocking(move || cookie_manager::CookieManager::read_stats(&profile_id))
+    .await
+    .map_err(|e| format!("Failed to read profile cookie stats: {e}"))?
 }
 
 #[tauri::command]
@@ -753,6 +766,15 @@ async fn get_all_traffic_snapshots() -> Result<Vec<crate::traffic_stats::Traffic
   Ok(crate::traffic_stats::get_all_traffic_snapshots_realtime())
 }
 
+#[tauri::command]
+async fn get_profile_traffic_snapshot(
+  profile_id: String,
+) -> Result<Option<crate::traffic_stats::TrafficSnapshot>, String> {
+  Ok(crate::traffic_stats::get_traffic_snapshot_for_profile(
+    &profile_id,
+  ))
+}
+
 #[tauri::command]
 async fn clear_all_traffic_stats() -> Result<(), String> {
   crate::traffic_stats::clear_all_traffic_stats()
@@ -1186,7 +1208,11 @@ pub fn run() {
         .target(Target::new(TargetKind::LogDir {
           file_name: Some(log_file_name.to_string()),
         }))
-        .max_file_size(100_000) // 100KB
+        // 5 MB per rotated file × KeepAll — the previous 100 KB limit
+        // truncated useful context in customer support reports; 50 MB
+        // turned out to be excessive disk pressure.
+        .max_file_size(5 * 1024 * 1024)
+        .rotation_strategy(tauri_plugin_log::RotationStrategy::KeepAll)
         .level(log::LevelFilter::Info)
         .format(|out, message, record| {
           use chrono::Local;
@@ -1222,6 +1248,7 @@ pub fn run() {
     .plugin(tauri_plugin_shell::init())
     .plugin(tauri_plugin_dialog::init())
     .plugin(tauri_plugin_macos_permissions::init())
+    .plugin(tauri_plugin_clipboard_manager::init())
     .setup(|app| {
       // Recover ephemeral dir mappings from RAM-backed storage (tmpfs/ramdisk)
       ephemeral_dirs::recover_ephemeral_dirs();
@@ -1244,7 +1271,7 @@ pub fn run() {
       #[allow(unused_variables)]
       let win_builder = WebviewWindowBuilder::new(app, "main", WebviewUrl::default())
         .title("Donut Browser")
-        .inner_size(840.0, 500.0)
+        .inner_size(880.0, 500.0)
         .resizable(false)
         .fullscreen(false)
         .center()
@@ -1735,7 +1762,23 @@ pub fn run() {
             interval.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Skip);
           }
 
-          for profile in profiles {
+          // Only walk profiles that either have a stored PID or that we last
+          // saw as running — for users with hundreds of idle profiles this
+          // turns an O(N) sysinfo scan into an O(running) scan. The Rust
+          // launch path always emits profile-running-changed when a profile
+          // STARTS, so newly-running profiles still get tracked here.
+          let profiles_to_check: Vec<_> = profiles
+            .into_iter()
+            .filter(|p| {
+              p.process_id.is_some()
+                || last_running_states
+                  .get(&p.id.to_string())
+                  .copied()
+                  .unwrap_or(false)
+            })
+            .collect();
+
+          for profile in profiles_to_check {
             // Check browser status and track changes
             match runner
               .check_browser_status(app_handle_status.clone(), &profile)
@@ -1974,6 +2017,8 @@ pub fn run() {
       rename_profile,
       get_app_settings,
       save_app_settings,
+      read_log_files,
+      open_log_directory,
       should_show_launch_on_login_prompt,
       enable_launch_on_login,
       decline_launch_on_login,
@@ -2041,6 +2086,7 @@ pub fn run() {
       stop_api_server,
       get_api_server_status,
       get_all_traffic_snapshots,
+      get_profile_traffic_snapshot,
       clear_all_traffic_stats,
       get_traffic_stats_for_period,
       get_sync_settings,
@@ -2060,7 +2106,9 @@ pub fn run() {
       set_e2e_password,
       check_has_e2e_password,
       delete_e2e_password,
+      rollover_encryption_for_all_entities,
       read_profile_cookies,
+      get_profile_cookie_stats,
       copy_profile_cookies,
       import_cookies_from_file,
       export_profile_cookies,

src-tauri/src/profile/manager.rs

@@ -2082,6 +2082,38 @@ mod tests {
       .unwrap_err();
     assert!(err.to_string().contains("http or https"));
   }
+
+  #[test]
+  fn test_validate_launch_hook_accepts_https_url() {
+    let result = super::validate_launch_hook(Some("https://example.com/track")).unwrap();
+    assert_eq!(result.as_deref(), Some("https://example.com/track"));
+  }
+
+  #[test]
+  fn test_validate_launch_hook_rejects_garbage_with_code() {
+    let err = super::validate_launch_hook(Some("not a url")).unwrap_err();
+    let parsed: serde_json::Value = serde_json::from_str(&err).expect("error must be JSON");
+    assert_eq!(parsed["code"], "INVALID_LAUNCH_HOOK_URL");
+  }
+
+  #[test]
+  fn test_validate_launch_hook_rejects_non_http_scheme_with_code() {
+    let err = super::validate_launch_hook(Some("ftp://example.com/hook")).unwrap_err();
+    let parsed: serde_json::Value = serde_json::from_str(&err).expect("error must be JSON");
+    assert_eq!(parsed["code"], "INVALID_LAUNCH_HOOK_URL");
+  }
+
+  #[test]
+  fn test_validate_launch_hook_empty_clears_hook() {
+    let result = super::validate_launch_hook(Some("")).unwrap();
+    assert!(result.is_none());
+
+    let result_ws = super::validate_launch_hook(Some("   ")).unwrap();
+    assert!(result_ws.is_none());
+
+    let result_none = super::validate_launch_hook(None).unwrap();
+    assert!(result_none.is_none());
+  }
 }
 
 #[allow(clippy::too_many_arguments)]
@@ -2180,12 +2212,34 @@ pub fn update_profile_note(
     .map_err(|e| format!("Failed to update profile note: {e}"))
 }
 
+/// Validate a launch hook value. Returns `Ok(None)` for "clear the hook"
+/// (`None`, empty, or whitespace-only), `Ok(Some(_))` for a valid http(s)
+/// URL, or `Err` with the `INVALID_LAUNCH_HOOK_URL` code payload.
+pub(crate) fn validate_launch_hook(launch_hook: Option<&str>) -> Result<Option<String>, String> {
+  let Some(raw) = launch_hook else {
+    return Ok(None);
+  };
+  let trimmed = raw.trim();
+  if trimmed.is_empty() {
+    return Ok(None);
+  }
+  let ok = url::Url::parse(trimmed)
+    .ok()
+    .map(|u| matches!(u.scheme(), "http" | "https"))
+    .unwrap_or(false);
+  if !ok {
+    return Err(serde_json::json!({ "code": "INVALID_LAUNCH_HOOK_URL" }).to_string());
+  }
+  Ok(Some(trimmed.to_string()))
+}
+
 #[tauri::command]
 pub fn update_profile_launch_hook(
   app_handle: tauri::AppHandle,
   profile_id: String,
   launch_hook: Option<String>,
 ) -> Result<BrowserProfile, String> {
+  validate_launch_hook(launch_hook.as_deref())?;
   let profile_manager = ProfileManager::instance();
   profile_manager
     .update_profile_launch_hook(&app_handle, &profile_id, launch_hook)

src-tauri/src/proxy_manager.rs

@@ -1115,149 +1115,6 @@ impl ProxyManager {
     self.load_proxy_check_cache(proxy_id)
   }
 
-  pub async fn fetch_proxy_from_url(
-    &self,
-    url: &str,
-    timeout: std::time::Duration,
-  ) -> Result<Option<ProxySettings>, String> {
-    let client = reqwest::Client::builder()
-      .timeout(timeout)
-      .build()
-      .map_err(|e| format!("Failed to create HTTP client: {e}"))?;
-
-    let response = client
-      .get(url)
-      .send()
-      .await
-      .map_err(|e| format!("Failed to fetch launch hook: {e}"))?;
-
-    if response.status() == reqwest::StatusCode::NO_CONTENT {
-      return Ok(None);
-    }
-
-    if !response.status().is_success() {
-      return Err(format!("Launch hook returned status {}", response.status()));
-    }
-
-    let body = response
-      .text()
-      .await
-      .map_err(|e| format!("Failed to read launch hook response: {e}"))?;
-
-    let body = body.trim();
-    if body.is_empty() {
-      return Err("Launch hook returned empty response".to_string());
-    }
-
-    if let Ok(settings) = Self::parse_dynamic_proxy_json(body) {
-      return Ok(Some(settings));
-    }
-
-    match Self::parse_dynamic_proxy_text(body) {
-      Ok(settings) => Ok(Some(settings)),
-      Err(text_error) => Err(format!(
-        "Failed to parse launch hook response: {text_error}"
-      )),
-    }
-  }
-
-  // Parse JSON proxy payload: { "ip"/"host": "...", "port": ..., "username": "...", "password": "..." }
-  fn parse_dynamic_proxy_json(body: &str) -> Result<ProxySettings, String> {
-    let json: serde_json::Value =
-      serde_json::from_str(body).map_err(|e| format!("Invalid JSON response: {e}"))?;
-
-    let obj = json
-      .as_object()
-      .ok_or_else(|| "JSON response is not an object".to_string())?;
-
-    let raw_host = obj
-      .get("ip")
-      .or_else(|| obj.get("host"))
-      .and_then(|v| v.as_str())
-      .ok_or_else(|| "Missing 'ip' or 'host' field in JSON response".to_string())?;
-
-    // Strip protocol prefix from host if present (e.g. "socks5://1.2.3.4" -> "1.2.3.4")
-    // and extract the proxy type from it if no explicit type field is provided
-    let (host, protocol_from_host) = if let Some(rest) = raw_host.strip_prefix("://") {
-      (rest.to_string(), None)
-    } else if let Some((proto, rest)) = raw_host.split_once("://") {
-      (rest.to_string(), Some(proto.to_lowercase()))
-    } else {
-      (raw_host.to_string(), None)
-    };
-
-    let port = obj
-      .get("port")
-      .and_then(|v| {
-        v.as_u64()
-          .or_else(|| v.as_str().and_then(|s| s.parse().ok()))
-      })
-      .ok_or_else(|| "Missing or invalid 'port' field in JSON response".to_string())?
-      as u16;
-
-    let proxy_type = obj
-      .get("type")
-      .or_else(|| obj.get("proxy_type"))
-      .or_else(|| obj.get("protocol"))
-      .and_then(|v| v.as_str())
-      .map(|s| s.to_lowercase())
-      .or(protocol_from_host)
-      .unwrap_or_else(|| "http".to_string());
-
-    let username = obj
-      .get("username")
-      .or_else(|| obj.get("user"))
-      .and_then(|v| v.as_str())
-      .filter(|s| !s.is_empty())
-      .map(|s| s.to_string());
-
-    let password = obj
-      .get("password")
-      .or_else(|| obj.get("pass"))
-      .and_then(|v| v.as_str())
-      .filter(|s| !s.is_empty())
-      .map(|s| s.to_string());
-
-    Ok(ProxySettings {
-      proxy_type,
-      host,
-      port,
-      username,
-      password,
-    })
-  }
-
-  // Parse plain text proxy payload using the same logic as proxy import
-  fn parse_dynamic_proxy_text(body: &str) -> Result<ProxySettings, String> {
-    let line = body
-      .lines()
-      .find(|l| !l.trim().is_empty())
-      .unwrap_or("")
-      .trim();
-    if line.is_empty() {
-      return Err("Empty text response".to_string());
-    }
-
-    match Self::parse_single_proxy_line(line) {
-      ProxyParseResult::Parsed(parsed) => Ok(ProxySettings {
-        proxy_type: parsed.proxy_type,
-        host: parsed.host,
-        port: parsed.port,
-        username: parsed.username,
-        password: parsed.password,
-      }),
-      ProxyParseResult::Ambiguous {
-        possible_formats, ..
-      } => Err(format!(
-        "Ambiguous proxy format. Could be: {}",
-        possible_formats.join(" or ")
-      )),
-      ProxyParseResult::Invalid { reason, .. } => {
-        Err(format!("Failed to parse proxy response: {reason}"))
-      }
-    }
-  }
-
   // Export all proxies as JSON
   pub fn export_proxies_json(&self) -> Result<String, String> {
     let stored_proxies = self.stored_proxies.lock().unwrap();
@@ -2317,8 +2174,6 @@ mod tests {
   use hyper::Response;
   use hyper_util::rt::TokioIo;
   use tokio::net::TcpListener;
-  use wiremock::matchers::{method, path};
-  use wiremock::{Mock, MockServer, ResponseTemplate};
 
   // Helper function to build donut-proxy binary for testing
   async fn ensure_donut_proxy_binary() -> Result<PathBuf, Box<dyn std::error::Error>> {
@@ -3587,263 +3442,4 @@ mod tests {
 
     delete_proxy_config(&id);
   }
-
-  #[test]
-  fn test_parse_dynamic_proxy_json_standard_format() {
-    let body = r#"{"ip": "1.2.3.4", "port": 8080, "username": "user1", "password": "pass1"}"#;
-    let result = ProxyManager::parse_dynamic_proxy_json(body).unwrap();
-    assert_eq!(result.host, "1.2.3.4");
-    assert_eq!(result.port, 8080);
-    assert_eq!(result.proxy_type, "http");
-    assert_eq!(result.username.as_deref(), Some("user1"));
-    assert_eq!(result.password.as_deref(), Some("pass1"));
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_json_host_alias() {
-    let body = r#"{"host": "proxy.example.com", "port": 3128}"#;
-    let result = ProxyManager::parse_dynamic_proxy_json(body).unwrap();
-    assert_eq!(result.host, "proxy.example.com");
-    assert_eq!(result.port, 3128);
-    assert!(result.username.is_none());
-    assert!(result.password.is_none());
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_json_user_pass_aliases() {
-    let body = r#"{"ip": "10.0.0.1", "port": 1080, "user": "u", "pass": "p"}"#;
-    let result = ProxyManager::parse_dynamic_proxy_json(body).unwrap();
-    assert_eq!(result.username.as_deref(), Some("u"));
-    assert_eq!(result.password.as_deref(), Some("p"));
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_json_port_as_string() {
-    let body = r#"{"ip": "1.2.3.4", "port": "9090"}"#;
-    let result = ProxyManager::parse_dynamic_proxy_json(body).unwrap();
-    assert_eq!(result.port, 9090);
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_json_with_proxy_type() {
-    let body = r#"{"ip": "1.2.3.4", "port": 1080, "type": "socks5"}"#;
-    let result = ProxyManager::parse_dynamic_proxy_json(body).unwrap();
-    assert_eq!(result.proxy_type, "socks5");
-
-    let body2 = r#"{"ip": "1.2.3.4", "port": 1080, "proxy_type": "socks4"}"#;
-    let result2 = ProxyManager::parse_dynamic_proxy_json(body2).unwrap();
-    assert_eq!(result2.proxy_type, "socks4");
-
-    // "protocol" field alias
-    let body3 = r#"{"ip": "1.2.3.4", "port": 1080, "protocol": "socks5"}"#;
-    let result3 = ProxyManager::parse_dynamic_proxy_json(body3).unwrap();
-    assert_eq!(result3.proxy_type, "socks5");
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_json_normalizes_case() {
-    let body = r#"{"ip": "1.2.3.4", "port": 1080, "type": "SOCKS5"}"#;
-    let result = ProxyManager::parse_dynamic_proxy_json(body).unwrap();
-    assert_eq!(result.proxy_type, "socks5");
-
-    let body2 = r#"{"ip": "1.2.3.4", "port": 8080, "protocol": "HTTP"}"#;
-    let result2 = ProxyManager::parse_dynamic_proxy_json(body2).unwrap();
-    assert_eq!(result2.proxy_type, "http");
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_json_strips_protocol_from_host() {
-    // User's API returns "ip": "socks5://1.2.3.4" with protocol embedded in host
-    let body = r#"{"ip": "socks5://1.2.3.4", "port": 1080, "username": "u", "password": "p"}"#;
-    let result = ProxyManager::parse_dynamic_proxy_json(body).unwrap();
-    assert_eq!(result.host, "1.2.3.4");
-    assert_eq!(result.proxy_type, "socks5");
-    assert_eq!(result.port, 1080);
-
-    // Protocol in host should be used as proxy_type when no explicit type field
-    let body2 = r#"{"ip": "http://10.0.0.1", "port": 8080}"#;
-    let result2 = ProxyManager::parse_dynamic_proxy_json(body2).unwrap();
-    assert_eq!(result2.host, "10.0.0.1");
-    assert_eq!(result2.proxy_type, "http");
-
-    // Explicit type field takes precedence over protocol in host
-    let body3 = r#"{"ip": "http://10.0.0.1", "port": 1080, "type": "socks5"}"#;
-    let result3 = ProxyManager::parse_dynamic_proxy_json(body3).unwrap();
-    assert_eq!(result3.host, "10.0.0.1");
-    assert_eq!(result3.proxy_type, "socks5");
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_json_empty_credentials_treated_as_none() {
-    let body = r#"{"ip": "1.2.3.4", "port": 8080, "username": "", "password": ""}"#;
-    let result = ProxyManager::parse_dynamic_proxy_json(body).unwrap();
-    assert!(result.username.is_none());
-    assert!(result.password.is_none());
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_json_missing_ip() {
-    let body = r#"{"port": 8080}"#;
-    let err = ProxyManager::parse_dynamic_proxy_json(body).unwrap_err();
-    assert!(err.contains("ip") || err.contains("host"));
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_json_missing_port() {
-    let body = r#"{"ip": "1.2.3.4"}"#;
-    let err = ProxyManager::parse_dynamic_proxy_json(body).unwrap_err();
-    assert!(err.contains("port"));
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_json_invalid_json() {
-    let err = ProxyManager::parse_dynamic_proxy_json("not json").unwrap_err();
-    assert!(err.contains("Invalid JSON"));
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_json_not_object() {
-    let err = ProxyManager::parse_dynamic_proxy_json("[1,2,3]").unwrap_err();
-    assert!(err.contains("not an object"));
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_text_host_port_user_pass() {
-    let body = "proxy.example.com:8080:user1:pass1";
-    let result = ProxyManager::parse_dynamic_proxy_text(body).unwrap();
-    assert_eq!(result.host, "proxy.example.com");
-    assert_eq!(result.port, 8080);
-    assert_eq!(result.username.as_deref(), Some("user1"));
-    assert_eq!(result.password.as_deref(), Some("pass1"));
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_text_protocol_url_format() {
-    let body = "http://user:pass@proxy.example.com:3128";
-    let result = ProxyManager::parse_dynamic_proxy_text(body).unwrap();
-    assert_eq!(result.host, "proxy.example.com");
-    assert_eq!(result.port, 3128);
-    assert_eq!(result.proxy_type, "http");
-    assert_eq!(result.username.as_deref(), Some("user"));
-    assert_eq!(result.password.as_deref(), Some("pass"));
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_text_with_whitespace() {
-    let body = "  \n  proxy.example.com:8080:user:pass  \n  ";
-    let result = ProxyManager::parse_dynamic_proxy_text(body).unwrap();
-    assert_eq!(result.host, "proxy.example.com");
-    assert_eq!(result.port, 8080);
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_text_empty() {
-    let err = ProxyManager::parse_dynamic_proxy_text("").unwrap_err();
-    assert!(err.contains("Empty"));
-  }
-
-  #[test]
-  fn test_parse_dynamic_proxy_text_whitespace_only() {
-    let err = ProxyManager::parse_dynamic_proxy_text("   \n  \n  ").unwrap_err();
-    assert!(err.contains("Empty"));
-  }
-
-  #[tokio::test]
-  async fn test_fetch_proxy_from_url_parses_json_response() {
-    let server = MockServer::start().await;
-    Mock::given(method("GET"))
-      .and(path("/hook"))
-      .respond_with(
-        ResponseTemplate::new(200).set_body_string(
-          r#"{"host":"proxy.example.com","port":3128,"type":"socks5","username":"user","password":"pass"}"#,
-        ),
-      )
-      .mount(&server)
-      .await;
-
-    let pm = ProxyManager::new();
-    let result = pm
-      .fetch_proxy_from_url(
-        &format!("{}/hook", server.uri()),
-        Duration::from_millis(500),
-      )
-      .await
-      .unwrap()
-      .unwrap();
-
-    assert_eq!(result.host, "proxy.example.com");
-    assert_eq!(result.port, 3128);
-    assert_eq!(result.proxy_type, "socks5");
-    assert_eq!(result.username.as_deref(), Some("user"));
-    assert_eq!(result.password.as_deref(), Some("pass"));
-  }
-
-  #[tokio::test]
-  async fn test_fetch_proxy_from_url_parses_text_response() {
-    let server = MockServer::start().await;
-    Mock::given(method("GET"))
-      .and(path("/hook"))
-      .respond_with(ResponseTemplate::new(200).set_body_string("socks5://user:pass@1.2.3.4:1080"))
-      .mount(&server)
-      .await;
-
-    let pm = ProxyManager::new();
-    let result = pm
-      .fetch_proxy_from_url(
-        &format!("{}/hook", server.uri()),
-        Duration::from_millis(500),
-      )
-      .await
-      .unwrap()
-      .unwrap();
-
-    assert_eq!(result.host, "1.2.3.4");
-    assert_eq!(result.port, 1080);
-    assert_eq!(result.proxy_type, "socks5");
-    assert_eq!(result.username.as_deref(), Some("user"));
-    assert_eq!(result.password.as_deref(), Some("pass"));
-  }
-
-  #[tokio::test]
-  async fn test_fetch_proxy_from_url_returns_none_for_no_content() {
-    let server = MockServer::start().await;
-    Mock::given(method("GET"))
-      .and(path("/hook"))
-      .respond_with(ResponseTemplate::new(204))
-      .mount(&server)
-      .await;
-
-    let pm = ProxyManager::new();
-    let result = pm
-      .fetch_proxy_from_url(
-        &format!("{}/hook", server.uri()),
-        Duration::from_millis(500),
-      )
-      .await
-      .unwrap();
-
-    assert!(result.is_none());
-  }
-
-  #[tokio::test]
-  async fn test_fetch_proxy_from_url_respects_timeout() {
-    let server = MockServer::start().await;
-    Mock::given(method("GET"))
-      .and(path("/hook"))
-      .respond_with(
-        ResponseTemplate::new(200)
-          .set_delay(Duration::from_millis(200))
-          .set_body_string(r#"{"host":"1.2.3.4","port":8080}"#),
-      )
-      .mount(&server)
-      .await;
-
-    let pm = ProxyManager::new();
-    let err = pm
-      .fetch_proxy_from_url(&format!("{}/hook", server.uri()), Duration::from_millis(50))
-      .await
-      .unwrap_err();
-
-    assert!(err.contains("Failed to fetch launch hook"));
-  }
 }

src-tauri/src/settings_manager.rs

@@ -820,6 +820,105 @@ pub async fn save_app_settings(
   Ok(settings)
 }
 
+/// Read the most recent N log files concatenated into a single string,
+/// suitable for paste-into-issue-tracker. Newest entries appear LAST so the
+/// reader sees fresh context at the bottom of the buffer. Capped at 5 MB to
+/// keep clipboard payloads sane.
+#[tauri::command]
+pub async fn read_log_files(app_handle: tauri::AppHandle) -> Result<String, String> {
+  let dir = crate::app_dirs::log_dir(&app_handle);
+  if !dir.exists() {
+    return Err("Log directory does not exist yet".to_string());
+  }
+
+  let mut entries: Vec<(std::path::PathBuf, std::time::SystemTime)> = std::fs::read_dir(&dir)
+    .map_err(|e| format!("Failed to read log dir: {e}"))?
+    .filter_map(|r| r.ok())
+    .filter_map(|e| {
+      let p = e.path();
+      let m = e.metadata().ok()?.modified().ok()?;
+      let ext = p.extension().and_then(|s| s.to_str()).unwrap_or("");
+      if p.is_file() && (ext == "log" || ext == "txt") {
+        Some((p, m))
+      } else {
+        None
+      }
+    })
+    .collect();
+
+  entries.sort_by_key(|(_, m)| *m);
+
+  const MAX_BYTES: usize = 5 * 1024 * 1024;
+  let mut out = String::with_capacity(64 * 1024);
+  for (path, _) in entries.iter().rev() {
+    let header = format!("===== {} =====\n", path.display());
+    if out.len() + header.len() >= MAX_BYTES {
+      break;
+    }
+    out.push_str(&header);
+    if let Ok(content) = std::fs::read_to_string(path) {
+      let take = MAX_BYTES.saturating_sub(out.len());
+      if take == 0 {
+        break;
+      }
+      if content.len() > take {
+        // Tail truncation — keep the END of older files so newest data is preserved.
+        out.push_str("[…truncated — older content elided…]\n");
+        out.push_str(&content[content.len() - take + 64..]);
+      } else {
+        out.push_str(&content);
+      }
+      if !out.ends_with('\n') {
+        out.push('\n');
+      }
+    }
+  }
+
+  // Reverse the per-file order so chronological newest is at the bottom.
+  // (We pushed newest-first above to budget the tail; flip now.)
+  let mut sections: Vec<&str> = out.split("===== ").filter(|s| !s.is_empty()).collect();
+  sections.reverse();
+  let final_out = sections
+    .into_iter()
+    .map(|s| format!("===== {s}"))
+    .collect::<String>();
+
+  Ok(final_out)
+}
+
+/// Reveal the log directory in the OS file manager.
+#[tauri::command]
+pub async fn open_log_directory(app_handle: tauri::AppHandle) -> Result<(), String> {
+  let dir = crate::app_dirs::log_dir(&app_handle);
+  if !dir.exists() {
+    std::fs::create_dir_all(&dir).map_err(|e| format!("Failed to create log dir: {e}"))?;
+  }
+  let path = dir.to_string_lossy().to_string();
+
+  #[cfg(target_os = "macos")]
+  {
+    std::process::Command::new("open")
+      .arg(&path)
+      .spawn()
+      .map_err(|e| format!("Failed to open log dir: {e}"))?;
+  }
+  #[cfg(target_os = "windows")]
+  {
+    std::process::Command::new("explorer")
+      .arg(&path)
+      .spawn()
+      .map_err(|e| format!("Failed to open log dir: {e}"))?;
+  }
+  #[cfg(target_os = "linux")]
+  {
+    std::process::Command::new("xdg-open")
+      .arg(&path)
+      .spawn()
+      .map_err(|e| format!("Failed to open log dir: {e}"))?;
+  }
+  Ok(())
+}
+
 #[tauri::command]
 pub async fn should_show_launch_on_login_prompt() -> Result<bool, String> {
   let manager = SettingsManager::instance();

src-tauri/src/sync/encryption.rs

@@ -4,10 +4,40 @@ use aes_gcm::{
 };
 use argon2::{password_hash::SaltString, Argon2, PasswordHasher};
 use base64::{engine::general_purpose::STANDARD as BASE64, Engine};
+use std::collections::HashMap;
+use std::sync::Mutex;
 
 const E2E_FILE_HEADER: &[u8] = b"DBE2E";
 const E2E_FILE_VERSION: u8 = 1;
 
+/// Argon2id is intentionally expensive (~80–150 ms per call). During an
+/// encryption rollover, every synced entity (proxy, group, vpn, extension,
+/// extension group, profile metadata) goes through `derive_profile_key`,
+/// which without caching means hundreds of sequential 100 ms derivations.
+///
+/// Cache the derived key keyed on (sha256(password), salt). Entries are
+/// evicted on `set_e2e_password` / `delete_e2e_password` so a password
+/// change cannot use stale keys.
+type DerivedKeyCache = HashMap<([u8; 32], String), [u8; 32]>;
+static KEY_CACHE: std::sync::LazyLock<Mutex<DerivedKeyCache>> =
+  std::sync::LazyLock::new(|| Mutex::new(HashMap::new()));
+
+fn password_fingerprint(pwd: &str) -> [u8; 32] {
+  use sha2::{Digest, Sha256};
+  let mut hasher = Sha256::new();
+  hasher.update(pwd.as_bytes());
+  let result = hasher.finalize();
+  let mut out = [0u8; 32];
+  out.copy_from_slice(&result);
+  out
+}
+
+fn invalidate_key_cache() {
+  if let Ok(mut cache) = KEY_CACHE.lock() {
+    cache.clear();
+  }
+}
+
 fn get_e2e_password_path() -> std::path::PathBuf {
   crate::app_dirs::settings_dir().join("e2e_password.dat")
 }
@@ -17,6 +47,7 @@ fn get_vault_password() -> String {
 }
 
 pub fn store_e2e_password(password: &str) -> Result<(), String> {
+  invalidate_key_cache();
   let file_path = get_e2e_password_path();
 
   if let Some(parent) = file_path.parent() {
@@ -149,6 +180,7 @@ pub fn has_e2e_password() -> bool {
 }
 
 pub fn remove_e2e_password() -> Result<(), String> {
+  invalidate_key_cache();
   let file_path = get_e2e_password_path();
   if file_path.exists() {
     std::fs::remove_file(&file_path)
@@ -157,8 +189,20 @@ pub fn remove_e2e_password() -> Result<(), String> {
   Ok(())
 }
 
-/// Derive a per-profile encryption key using Argon2id
+/// Derive a per-profile encryption key using Argon2id, with an in-process
+/// cache keyed on `(sha256(password), salt)`. Repeated calls with the same
+/// password+salt are O(1); a password change calls `invalidate_key_cache`
+/// to drop stale entries.
 pub fn derive_profile_key(user_password: &str, profile_salt: &str) -> Result<[u8; 32], String> {
+  let pwd_fp = password_fingerprint(user_password);
+  let cache_key = (pwd_fp, profile_salt.to_string());
+
+  if let Ok(cache) = KEY_CACHE.lock() {
+    if let Some(cached) = cache.get(&cache_key) {
+      return Ok(*cached);
+    }
+  }
+
   let salt_bytes = BASE64
     .decode(profile_salt)
     .map_err(|e| format!("Invalid salt encoding: {e}"))?;
@@ -175,6 +219,11 @@ pub fn derive_profile_key(user_password: &str, profile_salt: &str) -> Result<[u8
 
   let mut key = [0u8; 32];
   key.copy_from_slice(&hash_bytes[..32]);
+
+  if let Ok(mut cache) = KEY_CACHE.lock() {
+    cache.insert(cache_key, key);
+  }
+
   Ok(key)
 }
 
@@ -220,13 +269,75 @@ pub fn decrypt_bytes(key: &[u8; 32], encrypted: &[u8]) -> Result<Vec<u8>, String
     .map_err(|e| format!("Decryption failed: {e}"))
 }
 
+/// Versioned encryption envelope used for non-profile entities (proxies,
+/// VPNs, groups, extensions, extension groups). Each upload has its own
+/// random per-entity salt so the bucket can't be rainbow-table-attacked
+/// even with a shared password across many entities.
+#[derive(serde::Serialize, serde::Deserialize)]
+pub struct EncryptedEnvelope {
+  /// Format version. Increment when changing how `ct` is structured.
+  pub v: u32,
+  /// Base64 of the per-entity salt. Plaintext on the wire — salts are public.
+  pub salt: String,
+  /// Base64 of `nonce(12B) || AES-256-GCM ciphertext` (output of `encrypt_bytes`).
+  pub ct: String,
+}
+
+/// Wrap a plaintext JSON byte slice into an encrypted envelope if the user
+/// has E2E enabled. Returns `(payload_bytes, content_type)` ready to upload.
+/// On no-password, returns the original JSON unchanged.
+pub fn maybe_seal_for_upload(json: &[u8]) -> Result<(Vec<u8>, &'static str), String> {
+  let pwd = match load_e2e_password()? {
+    Some(p) => p,
+    None => return Ok((json.to_vec(), "application/json")),
+  };
+  let salt = generate_salt();
+  let key = derive_profile_key(&pwd, &salt)?;
+  let ct = encrypt_bytes(&key, json)?;
+  let envelope = EncryptedEnvelope {
+    v: 1,
+    salt,
+    ct: BASE64.encode(&ct),
+  };
+  let payload =
+    serde_json::to_vec(&envelope).map_err(|e| format!("Failed to serialize envelope: {e}"))?;
+  Ok((payload, "application/json"))
+}
+
+/// Reverse of `maybe_seal_for_upload`. Returns the inner plaintext JSON
+/// bytes regardless of whether `raw` was an envelope or legacy plaintext.
+///
+/// Distinguishes three cases:
+/// - `raw` is plaintext JSON, no password set → returns `raw` unchanged.
+/// - `raw` is an envelope, password set → decrypts and returns plaintext.
+/// - `raw` is an envelope, no password set → returns `Err(EncryptedEnvelope)`
+///   so callers (subscription / startup probe) can show "enter password to
+///   continue syncing" UI.
+pub fn maybe_unseal_after_download(raw: &[u8]) -> Result<Vec<u8>, String> {
+  // Try parsing as envelope first; envelopes are JSON objects with a "v" field.
+  if let Ok(env) = serde_json::from_slice::<EncryptedEnvelope>(raw) {
+    if env.v != 1 {
+      return Err(format!("Unsupported envelope version: {}", env.v));
+    }
+    let pwd = load_e2e_password()?.ok_or_else(|| "ENCRYPTION_PASSWORD_REQUIRED".to_string())?;
+    let key = derive_profile_key(&pwd, &env.salt)?;
+    let ct = BASE64
+      .decode(&env.ct)
+      .map_err(|e| format!("Invalid envelope ciphertext: {e}"))?;
+    return decrypt_bytes(&key, &ct);
+  }
+  // Not an envelope — legacy plaintext. Caller will JSON-parse it directly.
+  Ok(raw.to_vec())
+}
+
 // Tauri commands
 
 #[tauri::command]
-pub fn set_e2e_password(password: String) -> Result<(), String> {
+pub async fn set_e2e_password(password: String) -> Result<(), String> {
   if password.len() < 8 {
     return Err("Password must be at least 8 characters".to_string());
   }
+  enforce_team_owner_for_encryption_change().await?;
   store_e2e_password(&password)
 }
 
@@ -236,10 +347,23 @@ pub fn check_has_e2e_password() -> bool {
 }
 
 #[tauri::command]
-pub fn delete_e2e_password() -> Result<(), String> {
+pub async fn delete_e2e_password() -> Result<(), String> {
+  enforce_team_owner_for_encryption_change().await?;
   remove_e2e_password()
 }
 
+/// On Team plans, only the team owner is allowed to flip the E2E password
+/// state — otherwise members could lock each other out by changing the key.
+async fn enforce_team_owner_for_encryption_change() -> Result<(), String> {
+  use crate::cloud_auth::CLOUD_AUTH;
+  if let Some(state) = CLOUD_AUTH.get_user().await {
+    if state.user.plan == "team" && state.user.team_role.as_deref() != Some("owner") {
+      return Err("TEAM_OWNER_ONLY".to_string());
+    }
+  }
+  Ok(())
+}
+
 #[cfg(test)]
 mod tests {
   use super::*;

src-tauri/src/sync/engine.rs

@@ -716,7 +716,9 @@ impl SyncEngine {
     }
 
     let presign = self.client.presign_download(key).await?;
-    let data = self.client.download_bytes(&presign.url).await?;
+    let raw = self.client.download_bytes(&presign.url).await?;
+    let data = encryption::maybe_unseal_after_download(&raw)
+      .map_err(|e| SyncError::InvalidData(format!("Failed to unseal profile metadata: {e}")))?;
     let profile: BrowserProfile = serde_json::from_slice(&data)
       .map_err(|e| SyncError::SerializationError(format!("Failed to parse metadata: {e}")))?;
 
@@ -794,15 +796,18 @@ impl SyncEngine {
     let json = serde_json::to_string_pretty(&sanitized)
       .map_err(|e| SyncError::SerializationError(format!("Failed to serialize profile: {e}")))?;
 
+    let (payload, content_type) = encryption::maybe_seal_for_upload(json.as_bytes())
+      .map_err(|e| SyncError::InvalidData(format!("Failed to seal profile metadata: {e}")))?;
+
     let remote_key = format!("{}profiles/{}/metadata.json", key_prefix, profile_id);
     let presign = self
       .client
-      .presign_upload(&remote_key, Some("application/json"))
+      .presign_upload(&remote_key, Some(content_type))
       .await?;
 
     self
       .client
-      .upload_bytes(&presign.url, json.as_bytes(), Some("application/json"))
+      .upload_bytes(&presign.url, &payload, Some(content_type))
       .await?;
 
     Ok(())
@@ -1392,17 +1397,20 @@ impl SyncEngine {
     let json = serde_json::to_string_pretty(&updated_proxy)
       .map_err(|e| SyncError::SerializationError(format!("Failed to serialize proxy: {e}")))?;
 
+    let (payload, content_type) = encryption::maybe_seal_for_upload(json.as_bytes())
+      .map_err(|e| SyncError::InvalidData(format!("Failed to seal proxy: {e}")))?;
+
     let remote_key = format!("proxies/{}.json", proxy.id);
     let presign = self
       .client
-      .presign_upload(&remote_key, Some("application/json"))
+      .presign_upload(&remote_key, Some(content_type))
       .await?;
     self
       .client
-      .upload_bytes(&presign.url, json.as_bytes(), Some("application/json"))
+      .upload_bytes(&presign.url, &payload, Some(content_type))
       .await?;
 
-    // Update local proxy with new last_sync
+    // Update local proxy with new last_sync (always write plaintext locally)
     let proxy_manager = &crate::proxy_manager::PROXY_MANAGER;
     let proxy_file = proxy_manager.get_proxy_file_path(&proxy.id);
     fs::write(&proxy_file, &json).map_err(|e| {
@@ -1423,7 +1431,10 @@ impl SyncEngine {
   ) -> SyncResult<()> {
     let remote_key = format!("proxies/{}.json", proxy_id);
     let presign = self.client.presign_download(&remote_key).await?;
-    let data = self.client.download_bytes(&presign.url).await?;
+    let raw = self.client.download_bytes(&presign.url).await?;
+
+    let data = encryption::maybe_unseal_after_download(&raw)
+      .map_err(|e| SyncError::InvalidData(format!("Failed to unseal proxy: {e}")))?;
 
     let mut proxy: crate::proxy_manager::StoredProxy = serde_json::from_slice(&data)
       .map_err(|e| SyncError::SerializationError(format!("Failed to parse proxy JSON: {e}")))?;
@@ -1534,14 +1545,17 @@ impl SyncEngine {
     let json = serde_json::to_string_pretty(&updated_group)
       .map_err(|e| SyncError::SerializationError(format!("Failed to serialize group: {e}")))?;
 
+    let (payload, content_type) = encryption::maybe_seal_for_upload(json.as_bytes())
+      .map_err(|e| SyncError::InvalidData(format!("Failed to seal group: {e}")))?;
+
     let remote_key = format!("groups/{}.json", group.id);
     let presign = self
       .client
-      .presign_upload(&remote_key, Some("application/json"))
+      .presign_upload(&remote_key, Some(content_type))
       .await?;
     self
       .client
-      .upload_bytes(&presign.url, json.as_bytes(), Some("application/json"))
+      .upload_bytes(&presign.url, &payload, Some(content_type))
       .await?;
 
     // Update local group with new last_sync
@@ -1563,7 +1577,10 @@ impl SyncEngine {
   ) -> SyncResult<()> {
     let remote_key = format!("groups/{}.json", group_id);
     let presign = self.client.presign_download(&remote_key).await?;
-    let data = self.client.download_bytes(&presign.url).await?;
+    let raw = self.client.download_bytes(&presign.url).await?;
+
+    let data = encryption::maybe_unseal_after_download(&raw)
+      .map_err(|e| SyncError::InvalidData(format!("Failed to unseal group: {e}")))?;
 
     let mut group: crate::group_manager::ProfileGroup = serde_json::from_slice(&data)
       .map_err(|e| SyncError::SerializationError(format!("Failed to parse group JSON: {e}")))?;
@@ -1738,14 +1755,17 @@ impl SyncEngine {
     let json = serde_json::to_string_pretty(&updated_vpn)
       .map_err(|e| SyncError::SerializationError(format!("Failed to serialize VPN: {e}")))?;
 
+    let (payload, content_type) = encryption::maybe_seal_for_upload(json.as_bytes())
+      .map_err(|e| SyncError::InvalidData(format!("Failed to seal VPN: {e}")))?;
+
     let remote_key = format!("vpns/{}.json", vpn.id);
     let presign = self
       .client
-      .presign_upload(&remote_key, Some("application/json"))
+      .presign_upload(&remote_key, Some(content_type))
       .await?;
     self
       .client
-      .upload_bytes(&presign.url, json.as_bytes(), Some("application/json"))
+      .upload_bytes(&presign.url, &payload, Some(content_type))
       .await?;
 
     // Update local VPN with new last_sync
@@ -1767,7 +1787,10 @@ impl SyncEngine {
   ) -> SyncResult<()> {
     let remote_key = format!("vpns/{}.json", vpn_id);
     let presign = self.client.presign_download(&remote_key).await?;
-    let data = self.client.download_bytes(&presign.url).await?;
+    let raw = self.client.download_bytes(&presign.url).await?;
+
+    let data = encryption::maybe_unseal_after_download(&raw)
+      .map_err(|e| SyncError::InvalidData(format!("Failed to unseal VPN: {e}")))?;
 
     let mut vpn: crate::vpn::VpnConfig = serde_json::from_slice(&data)
       .map_err(|e| SyncError::SerializationError(format!("Failed to parse VPN JSON: {e}")))?;
@@ -1883,17 +1906,21 @@ impl SyncEngine {
     let json = serde_json::to_string_pretty(&updated_ext)
       .map_err(|e| SyncError::SerializationError(format!("Failed to serialize extension: {e}")))?;
 
+    let (meta_payload, meta_content_type) = encryption::maybe_seal_for_upload(json.as_bytes())
+      .map_err(|e| SyncError::InvalidData(format!("Failed to seal extension: {e}")))?;
+
     let remote_key = format!("extensions/{}.json", ext.id);
     let presign = self
       .client
-      .presign_upload(&remote_key, Some("application/json"))
+      .presign_upload(&remote_key, Some(meta_content_type))
       .await?;
     self
       .client
-      .upload_bytes(&presign.url, json.as_bytes(), Some("application/json"))
+      .upload_bytes(&presign.url, &meta_payload, Some(meta_content_type))
       .await?;
 
-    // Also upload the extension file data
+    // Also upload the extension file data — encrypted as a sealed envelope
+    // when E2E is on (the binary is the secret here, not just the metadata).
     let file_path = {
       let manager = crate::extension_manager::EXTENSION_MANAGER.lock().unwrap();
       let file_dir = manager.get_file_dir_public(&ext.id);
@@ -1908,18 +1935,17 @@ impl SyncEngine {
         ))
       })?;
 
+      let (file_payload, file_content_type) = encryption::maybe_seal_for_upload(&file_data)
+        .map_err(|e| SyncError::InvalidData(format!("Failed to seal extension file: {e}")))?;
+
       let file_remote_key = format!("extensions/{}/file/{}", ext.id, ext.file_name);
       let file_presign = self
         .client
-        .presign_upload(&file_remote_key, Some("application/octet-stream"))
+        .presign_upload(&file_remote_key, Some(file_content_type))
         .await?;
       self
         .client
-        .upload_bytes(
-          &file_presign.url,
-          &file_data,
-          Some("application/octet-stream"),
-        )
+        .upload_bytes(&file_presign.url, &file_payload, Some(file_content_type))
         .await?;
     }
 
@@ -1942,7 +1968,9 @@ impl SyncEngine {
   ) -> SyncResult<()> {
     let remote_key = format!("extensions/{}.json", ext_id);
     let presign = self.client.presign_download(&remote_key).await?;
-    let data = self.client.download_bytes(&presign.url).await?;
+    let raw = self.client.download_bytes(&presign.url).await?;
+    let data = encryption::maybe_unseal_after_download(&raw)
+      .map_err(|e| SyncError::InvalidData(format!("Failed to unseal extension: {e}")))?;
 
     let mut ext: crate::extension_manager::Extension = serde_json::from_slice(&data)
       .map_err(|e| SyncError::SerializationError(format!("Failed to parse extension JSON: {e}")))?;
@@ -1960,7 +1988,9 @@ impl SyncEngine {
     let file_stat = self.client.stat(&file_remote_key).await?;
     if file_stat.exists {
       let file_presign = self.client.presign_download(&file_remote_key).await?;
-      let file_data = self.client.download_bytes(&file_presign.url).await?;
+      let file_raw = self.client.download_bytes(&file_presign.url).await?;
+      let file_data = encryption::maybe_unseal_after_download(&file_raw)
+        .map_err(|e| SyncError::InvalidData(format!("Failed to unseal extension file: {e}")))?;
 
       let manager = crate::extension_manager::EXTENSION_MANAGER.lock().unwrap();
       let file_dir = manager.get_file_dir_public(&ext.id);
@@ -2085,14 +2115,17 @@ impl SyncEngine {
       SyncError::SerializationError(format!("Failed to serialize extension group: {e}"))
     })?;
 
+    let (payload, content_type) = encryption::maybe_seal_for_upload(json.as_bytes())
+      .map_err(|e| SyncError::InvalidData(format!("Failed to seal extension group: {e}")))?;
+
     let remote_key = format!("extension_groups/{}.json", group.id);
     let presign = self
       .client
-      .presign_upload(&remote_key, Some("application/json"))
+      .presign_upload(&remote_key, Some(content_type))
       .await?;
     self
       .client
-      .upload_bytes(&presign.url, json.as_bytes(), Some("application/json"))
+      .upload_bytes(&presign.url, &payload, Some(content_type))
       .await?;
 
     // Update local group with new last_sync
@@ -2114,7 +2147,10 @@ impl SyncEngine {
   ) -> SyncResult<()> {
     let remote_key = format!("extension_groups/{}.json", group_id);
     let presign = self.client.presign_download(&remote_key).await?;
-    let data = self.client.download_bytes(&presign.url).await?;
+    let raw = self.client.download_bytes(&presign.url).await?;
+
+    let data = encryption::maybe_unseal_after_download(&raw)
+      .map_err(|e| SyncError::InvalidData(format!("Failed to unseal extension group: {e}")))?;
 
     let mut group: crate::extension_manager::ExtensionGroup = serde_json::from_slice(&data)
       .map_err(|e| {
@@ -3689,6 +3725,188 @@ pub async fn set_extension_group_sync_enabled(
   Ok(())
 }
 
+/// Re-upload every sync-enabled entity under the current encryption state.
+/// Called after the user sets, changes, or clears their E2E password —
+/// existing remote bytes are still in the prior state, so without this they'd
+/// remain plaintext (or worse, undecryptable) until the next per-entity edit.
+///
+/// Order: profiles first (so the user can resume work as soon as profile sync
+/// completes), then proxies, groups, VPNs, extensions, extension groups.
+/// Running profiles' associated entities are deferred by 5s so the active
+/// browser session isn't disrupted mid-keystroke.
+///
+/// Progress is emitted via `e2e-rollover-progress` events with `{ stage, done, total }`.
+#[tauri::command]
+pub async fn rollover_encryption_for_all_entities(
+  app_handle: tauri::AppHandle,
+) -> Result<(), String> {
+  let _ = events::emit("e2e-rollover-started", ());
+
+  let profile_manager = ProfileManager::instance();
+  let profiles = profile_manager
+    .list_profiles()
+    .map_err(|e| format!("Failed to list profiles: {e}"))?;
+
+  let synced_profiles: Vec<_> = profiles
+    .iter()
+    .filter(|p| p.sync_mode != SyncMode::Disabled)
+    .collect();
+
+  let total_profiles = synced_profiles.len();
+  let mut running_profile_ids: std::collections::HashSet<uuid::Uuid> =
+    std::collections::HashSet::new();
+
+  for (i, profile) in synced_profiles.iter().enumerate() {
+    if profile.process_id.is_some() {
+      running_profile_ids.insert(profile.id);
+    }
+    let id_str = profile.id.to_string();
+    if let Err(e) = trigger_sync_for_profile(app_handle.clone(), id_str.clone()).await {
+      log::warn!("Rollover: profile {} re-sync failed: {e}", id_str);
+    }
+    let _ = events::emit(
+      "e2e-rollover-progress",
+      serde_json::json!({
+        "stage": "profiles",
+        "done": i + 1,
+        "total": total_profiles,
+      }),
+    );
+  }
+
+  // Determine which entity ids are referenced by running profiles, so we can
+  // defer their re-upload (changing their files mid-session would cause the
+  // running browser to see a different proxy/extension config than what it
+  // launched with).
+  let mut deferred_proxy_ids: std::collections::HashSet<String> = std::collections::HashSet::new();
+  let mut deferred_vpn_ids: std::collections::HashSet<String> = std::collections::HashSet::new();
+  let mut deferred_group_ids: std::collections::HashSet<String> = std::collections::HashSet::new();
+  for p in &profiles {
+    if running_profile_ids.contains(&p.id) {
+      if let Some(id) = &p.proxy_id {
+        deferred_proxy_ids.insert(id.clone());
+      }
+      if let Some(id) = &p.vpn_id {
+        deferred_vpn_ids.insert(id.clone());
+      }
+      if let Some(id) = &p.group_id {
+        deferred_group_ids.insert(id.clone());
+      }
+    }
+  }
+
+  let proxies = crate::proxy_manager::PROXY_MANAGER.get_stored_proxies();
+  let synced_proxies: Vec<_> = proxies.iter().filter(|p| p.sync_enabled).collect();
+  let total_proxies = synced_proxies.len();
+  let mut deferred = Vec::new();
+  for (i, proxy) in synced_proxies.iter().enumerate() {
+    if deferred_proxy_ids.contains(&proxy.id) {
+      deferred.push(proxy.id.clone());
+    } else if let Some(scheduler) = super::get_global_scheduler() {
+      scheduler.queue_proxy_sync(proxy.id.clone()).await;
+    }
+    let _ = events::emit(
+      "e2e-rollover-progress",
+      serde_json::json!({"stage": "proxies", "done": i + 1, "total": total_proxies}),
+    );
+  }
+
+  let groups = {
+    let gm = crate::group_manager::GROUP_MANAGER.lock().unwrap();
+    gm.get_all_groups()
+      .map_err(|e| format!("Failed to get groups: {e}"))?
+  };
+  let synced_groups: Vec<_> = groups.iter().filter(|g| g.sync_enabled).collect();
+  let total_groups = synced_groups.len();
+  let mut deferred_groups = Vec::new();
+  for (i, group) in synced_groups.iter().enumerate() {
+    if deferred_group_ids.contains(&group.id) {
+      deferred_groups.push(group.id.clone());
+    } else if let Some(scheduler) = super::get_global_scheduler() {
+      scheduler.queue_group_sync(group.id.clone()).await;
+    }
+    let _ = events::emit(
+      "e2e-rollover-progress",
+      serde_json::json!({"stage": "groups", "done": i + 1, "total": total_groups}),
+    );
+  }
+
+  let vpns = {
+    let storage = crate::vpn::VPN_STORAGE.lock().unwrap();
+    storage
+      .list_configs()
+      .map_err(|e| format!("Failed to list VPN configs: {e}"))?
+  };
+  let synced_vpns: Vec<_> = vpns.iter().filter(|v| v.sync_enabled).collect();
+  let total_vpns = synced_vpns.len();
+  let mut deferred_vpns = Vec::new();
+  for (i, config) in synced_vpns.iter().enumerate() {
+    if deferred_vpn_ids.contains(&config.id) {
+      deferred_vpns.push(config.id.clone());
+    } else if let Some(scheduler) = super::get_global_scheduler() {
+      scheduler.queue_vpn_sync(config.id.clone()).await;
+    }
+    let _ = events::emit(
+      "e2e-rollover-progress",
+      serde_json::json!({"stage": "vpns", "done": i + 1, "total": total_vpns}),
+    );
+  }
+
+  let extensions = {
+    let em = crate::extension_manager::EXTENSION_MANAGER.lock().unwrap();
+    em.list_extensions()
+      .map_err(|e| format!("Failed to list extensions: {e}"))?
+  };
+  let synced_exts: Vec<_> = extensions.iter().filter(|e| e.sync_enabled).collect();
+  let total_exts = synced_exts.len();
+  for (i, ext) in synced_exts.iter().enumerate() {
+    if let Some(scheduler) = super::get_global_scheduler() {
+      scheduler.queue_extension_sync(ext.id.clone()).await;
+    }
+    let _ = events::emit(
+      "e2e-rollover-progress",
+      serde_json::json!({"stage": "extensions", "done": i + 1, "total": total_exts}),
+    );
+  }
+
+  let ext_groups = {
+    let em = crate::extension_manager::EXTENSION_MANAGER.lock().unwrap();
+    em.list_groups()
+      .map_err(|e| format!("Failed to list extension groups: {e}"))?
+  };
+  let synced_ext_groups: Vec<_> = ext_groups.iter().filter(|g| g.sync_enabled).collect();
+  let total_eg = synced_ext_groups.len();
+  for (i, group) in synced_ext_groups.iter().enumerate() {
+    if let Some(scheduler) = super::get_global_scheduler() {
+      scheduler.queue_extension_group_sync(group.id.clone()).await;
+    }
+    let _ = events::emit(
+      "e2e-rollover-progress",
+      serde_json::json!({"stage": "extension_groups", "done": i + 1, "total": total_eg}),
+    );
+  }
+
+  if !deferred.is_empty() || !deferred_groups.is_empty() || !deferred_vpns.is_empty() {
+    tauri::async_runtime::spawn(async move {
+      tokio::time::sleep(std::time::Duration::from_secs(5)).await;
+      if let Some(scheduler) = super::get_global_scheduler() {
+        for id in deferred {
+          scheduler.queue_proxy_sync(id).await;
+        }
+        for id in deferred_groups {
+          scheduler.queue_group_sync(id).await;
+        }
+        for id in deferred_vpns {
+          scheduler.queue_vpn_sync(id).await;
+        }
+      }
+    });
+  }
+
+  let _ = events::emit("e2e-rollover-completed", ());
+  Ok(())
+}
+
 #[cfg(test)]
 mod tests {
   use super::*;

src-tauri/src/sync/mod.rs

@@ -14,9 +14,9 @@ pub use engine::{
   is_group_in_use_by_synced_profile, is_group_used_by_synced_profile,
   is_proxy_in_use_by_synced_profile, is_proxy_used_by_synced_profile, is_sync_configured,
   is_vpn_in_use_by_synced_profile, is_vpn_used_by_synced_profile, request_profile_sync,
-  set_extension_group_sync_enabled, set_extension_sync_enabled, set_group_sync_enabled,
-  set_profile_sync_mode, set_proxy_sync_enabled, set_vpn_sync_enabled, sync_profile,
-  trigger_sync_for_profile, SyncEngine,
+  rollover_encryption_for_all_entities, set_extension_group_sync_enabled,
+  set_extension_sync_enabled, set_group_sync_enabled, set_profile_sync_mode,
+  set_proxy_sync_enabled, set_vpn_sync_enabled, sync_profile, trigger_sync_for_profile, SyncEngine,
 };
 pub use manifest::{compute_diff, generate_manifest, HashCache, ManifestDiff, SyncManifest};
 pub use scheduler::{get_global_scheduler, set_global_scheduler, SyncScheduler};