added features from wnfs and peergos

Author: ehsan6sha

crates/fula-client/tests/encrypted_filesystem_tests.rs

@@ -585,7 +585,7 @@ fn test_combined_stress_scenario() {
 
     // List all files
     let start = Instant::now();
-    let all_files: Vec<_> = forest.list_all_files().collect();
+    let all_files = forest.list_all_files();
     let list_time = start.elapsed();
     println!("📋 Listed all {} files in {:?}", all_files.len(), list_time);
 

crates/fula-crypto/src/error.rs

@@ -75,4 +75,8 @@ pub enum CryptoError {
     /// Access denied
     #[error("access denied: {0}")]
     AccessDenied(String),
+
+    /// Invalid format (for parsing URLs, links, etc.)
+    #[error("invalid format: {0}")]
+    InvalidFormat(String),
 }