fix: robust duplicate capture dedupe by captureId and URL time window

src-tauri/src/browser/commands.rs

@@ -11,6 +11,7 @@ use crate::adblock::scripts;
 use crate::state::AppState;
 
 static SEEN_CAPTURE_IDS: OnceLock<Mutex<HashSet<String>>> = OnceLock::new();
+static RECENT_CAPTURE_KEYS: OnceLock<Mutex<HashMap<String, i64>>> = OnceLock::new();
 
 const CONTEXT_MENU_BLOCK_JS: &str = r#"
 (function(){