diff --git a/src-tauri/generator/table_names.rs b/src-tauri/generator/table_names.rs
index 58664ed..c8bb2c5 100644
--- a/src-tauri/generator/table_names.rs
+++ b/src-tauri/generator/table_names.rs
@@ -20,11 +20,11 @@ struct TableDefinition {
 
 pub fn generate_table_names() {
     let out_dir = env::var("OUT_DIR").expect("OUT_DIR ist nicht gesetzt.");
-    println!("Generiere Tabellennamen nach {}", out_dir);
+    println!("Generiere Tabellennamen nach {out_dir}");
     let schema_path = Path::new("../src/database/tableNames.json");
     let dest_path = Path::new(&out_dir).join("tableNames.rs");
 
-    let file = File::open(&schema_path).expect("Konnte tableNames.json nicht öffnen");
+    let file = File::open(schema_path).expect("Konnte tableNames.json nicht öffnen");
     let reader = BufReader::new(file);
     let schema: Schema =
         serde_json::from_reader(reader).expect("Konnte tableNames.json nicht parsen");
@@ -108,8 +108,7 @@ fn generate_table_constants(table: &TableDefinition, const_prefix: &str) -> Stri
     for (col_key, col_value) in &table.columns {
         let col_const_name = format!("COL_{}_{}", const_prefix, to_screaming_snake_case(col_key));
         code.push_str(&format!(
-            "pub const {}: &str = \"{}\";\n",
-            col_const_name, col_value
+            "pub const {col_const_name}: &str = \"{col_value}\";\n"
         ));
     }
 
diff --git a/src-tauri/src/crdt/hlc.rs b/src-tauri/src/crdt/hlc.rs
index 47201d2..a68af23 100644
--- a/src-tauri/src/crdt/hlc.rs
+++ b/src-tauri/src/crdt/hlc.rs
@@ -74,15 +74,14 @@ impl HlcService {
         // Parse den String in ein Uuid-Objekt.
         let uuid = Uuid::parse_str(&node_id_str).map_err(|e| {
             HlcError::ParseNodeId(format!(
-                "Stored device ID is not a valid UUID: {}. Error: {}",
-                node_id_str, e
+                "Stored device ID is not a valid UUID: {node_id_str}. Error: {e}"
             ))
         })?;
 
         // Hol dir die rohen 16 Bytes und erstelle daraus die uhlc::ID.
         // Das `*` dereferenziert den `&[u8; 16]` zu `[u8; 16]`, was `try_from` erwartet.
         let node_id = ID::try_from(*uuid.as_bytes()).map_err(|e| {
-            HlcError::ParseNodeId(format!("Invalid node ID format from device store: {:?}", e))
+            HlcError::ParseNodeId(format!("Invalid node ID format from device store: {e:?}"))
         })?;
 
         // 2. Erstelle eine HLC-Instanz mit stabiler Identität
@@ -95,8 +94,7 @@ impl HlcService {
         if let Some(last_timestamp) = Self::load_last_timestamp(conn)? {
             hlc.update_with_timestamp(&last_timestamp).map_err(|e| {
                 HlcError::Parse(format!(
-                    "Failed to update HLC with persisted timestamp: {:?}",
-                    e
+                    "Failed to update HLC with persisted timestamp: {e:?}"
                 ))
             })?;
         }
@@ -119,7 +117,7 @@ impl HlcService {
                 if let Some(s) = value.as_str() {
                     // Das ist unser Erfolgsfall. Wir haben einen &str und können
                     // eine Kopie davon zurückgeben.
-                    println!("Gefundene und validierte Geräte-ID: {}", s);
+                    println!("Gefundene und validierte Geräte-ID: {s}");
                     if Uuid::parse_str(s).is_ok() {
                         // Erfolgsfall: Der Wert ist ein String UND eine gültige UUID.
                         // Wir können die Funktion direkt mit dem Wert verlassen.
@@ -183,19 +181,19 @@ impl HlcService {
         let hlc = hlc_guard.as_mut().ok_or(HlcError::NotInitialized)?;
 
         hlc.update_with_timestamp(timestamp)
-            .map_err(|e| HlcError::Parse(format!("Failed to update HLC: {:?}", e)))
+            .map_err(|e| HlcError::Parse(format!("Failed to update HLC: {e:?}")))
     }
 
     /// Lädt den letzten persistierten Zeitstempel aus der Datenbank.
     fn load_last_timestamp(conn: &Connection) -> Result<Option<Timestamp>, HlcError> {
-        let query = format!("SELECT value FROM {} WHERE key = ?1", TABLE_CRDT_CONFIGS);
+        let query = format!("SELECT value FROM {TABLE_CRDT_CONFIGS} WHERE key = ?1");
 
         match conn.query_row(&query, params![HLC_TIMESTAMP_TYPE], |row| {
             row.get::<_, String>(0)
         }) {
             Ok(state_str) => {
                 let timestamp = Timestamp::from_str(&state_str).map_err(|e| {
-                    HlcError::ParseTimestamp(format!("Invalid timestamp format: {:?}", e))
+                    HlcError::ParseTimestamp(format!("Invalid timestamp format: {e:?}"))
                 })?;
                 Ok(Some(timestamp))
             }
@@ -209,9 +207,8 @@ impl HlcService {
         let timestamp_str = timestamp.to_string();
         tx.execute(
             &format!(
-                "INSERT INTO {} (key, value) VALUES (?1, ?2)
-                 ON CONFLICT(key) DO UPDATE SET value = excluded.value",
-                TABLE_CRDT_CONFIGS
+                "INSERT INTO {TABLE_CRDT_CONFIGS} (key, value) VALUES (?1, ?2)
+                 ON CONFLICT(key) DO UPDATE SET value = excluded.value"
             ),
             params![HLC_TIMESTAMP_TYPE, timestamp_str],
         )?;
diff --git a/src-tauri/src/crdt/trigger.rs b/src-tauri/src/crdt/trigger.rs
index e9e32ad..0e2af12 100644
--- a/src-tauri/src/crdt/trigger.rs
+++ b/src-tauri/src/crdt/trigger.rs
@@ -32,17 +32,16 @@ pub enum CrdtSetupError {
 impl Display for CrdtSetupError {
     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
         match self {
-            CrdtSetupError::DatabaseError(e) => write!(f, "Database error: {}", e),
+            CrdtSetupError::DatabaseError(e) => write!(f, "Database error: {e}"),
             CrdtSetupError::HlcColumnMissing {
                 table_name,
                 column_name,
             } => write!(
                 f,
-                "Table '{}' is missing the required hlc column '{}'",
-                table_name, column_name
+                "Table '{table_name}' is missing the required hlc column '{column_name}'"
             ),
             CrdtSetupError::PrimaryKeyMissing { table_name } => {
-                write!(f, "Table '{}' has no primary key", table_name)
+                write!(f, "Table '{table_name}' has no primary key")
             }
         }
     }
@@ -129,7 +128,7 @@ pub fn setup_triggers_for_table(
     let delete_trigger_sql = generate_delete_trigger_sql(table_name, &pks, &cols_to_track);
 
     if recreate {
-        drop_triggers_for_table(&tx, table_name)?;
+        drop_triggers_for_table(tx, table_name)?;
     }
 
     tx.execute_batch(&insert_trigger_sql)?;
@@ -143,13 +142,11 @@ pub fn setup_triggers_for_table(
 pub fn get_table_schema(conn: &Connection, table_name: &str) -> RusqliteResult<Vec<ColumnInfo>> {
     if !is_safe_identifier(table_name) {
         return Err(rusqlite::Error::InvalidParameterName(format!(
-            "Invalid or unsafe table name provided: {}",
-            table_name
-        ))
-        .into());
+            "Invalid or unsafe table name provided: {table_name}"
+        )));
     }
 
-    let sql = format!("PRAGMA table_info(\"{}\");", table_name);
+    let sql = format!("PRAGMA table_info(\"{table_name}\");");
     let mut stmt = conn.prepare(&sql)?;
     let rows = stmt.query_map([], ColumnInfo::from_row)?;
     rows.collect()
@@ -163,8 +160,7 @@ pub fn drop_triggers_for_table(
 ) -> Result<(), CrdtSetupError> {
     if !is_safe_identifier(table_name) {
         return Err(rusqlite::Error::InvalidParameterName(format!(
-            "Invalid or unsafe table name provided: {}",
-            table_name
+            "Invalid or unsafe table name provided: {table_name}"
         ))
         .into());
     }
@@ -177,8 +173,7 @@ pub fn drop_triggers_for_table(
         drop_trigger_sql(DELETE_TRIGGER_TPL.replace("{TABLE_NAME}", table_name));
 
     let sql_batch = format!(
-        "{}\n{}\n{}",
-        drop_insert_trigger_sql, drop_update_trigger_sql, drop_delete_trigger_sql
+        "{drop_insert_trigger_sql}\n{drop_update_trigger_sql}\n{drop_delete_trigger_sql}"
     );
 
     tx.execute_batch(&sql_batch)?;
@@ -244,33 +239,22 @@ pub fn drop_triggers_for_table(
 fn generate_insert_trigger_sql(table_name: &str, pks: &[String], cols: &[String]) -> String {
     let pk_json_payload = pks
         .iter()
-        .map(|pk| format!("'{}', NEW.\"{}\"", pk, pk))
+        .map(|pk| format!("'{pk}', NEW.\"{pk}\""))
         .collect::<Vec<_>>()
         .join(", ");
 
     let column_inserts = if cols.is_empty() {
         // Nur PKs -> einfacher Insert ins Log
         format!(
-            "INSERT INTO {log_table} (id, haex_timestamp, op_type, table_name, row_pks)
-            VALUES ({uuid_fn}(), NEW.\"{hlc_col}\", 'INSERT', '{table}', json_object({pk_payload}));",
-            log_table = TABLE_CRDT_LOGS,
-            uuid_fn = UUID_FUNCTION_NAME,
-            hlc_col = HLC_TIMESTAMP_COLUMN,
-            table = table_name,
-            pk_payload = pk_json_payload
+            "INSERT INTO {TABLE_CRDT_LOGS} (id, haex_timestamp, op_type, table_name, row_pks)
+            VALUES ({UUID_FUNCTION_NAME}(), NEW.\"{HLC_TIMESTAMP_COLUMN}\", 'INSERT', '{table_name}', json_object({pk_json_payload}));"
         )
     } else {
         cols.iter().fold(String::new(), |mut acc, col| {
             writeln!(
                 &mut acc,
-                "INSERT INTO {log_table} (id, haex_timestamp, op_type, table_name, row_pks, column_name, new_value)
-                VALUES ({uuid_fn}(), NEW.\"{hlc_col}\", 'INSERT', '{table}', json_object({pk_payload}), '{column}', json_object('value', NEW.\"{column}\"));",
-                log_table = TABLE_CRDT_LOGS,
-                uuid_fn = UUID_FUNCTION_NAME,
-                hlc_col = HLC_TIMESTAMP_COLUMN,
-                table = table_name,
-                pk_payload = pk_json_payload,
-                column = col
+                "INSERT INTO {TABLE_CRDT_LOGS} (id, haex_timestamp, op_type, table_name, row_pks, column_name, new_value)
+                VALUES ({UUID_FUNCTION_NAME}(), NEW.\"{HLC_TIMESTAMP_COLUMN}\", 'INSERT', '{table_name}', json_object({pk_json_payload}), '{col}', json_object('value', NEW.\"{col}\"));"
             ).unwrap();
             acc
         })
@@ -290,14 +274,14 @@ fn generate_insert_trigger_sql(table_name: &str, pks: &[String], cols: &[String]
 
 /// Generiert das SQL zum Löschen eines Triggers.
 fn drop_trigger_sql(trigger_name: String) -> String {
-    format!("DROP TRIGGER IF EXISTS \"{}\";", trigger_name)
+    format!("DROP TRIGGER IF EXISTS \"{trigger_name}\";")
 }
 
 /// Generiert das SQL für den UPDATE-Trigger.
 fn generate_update_trigger_sql(table_name: &str, pks: &[String], cols: &[String]) -> String {
     let pk_json_payload = pks
         .iter()
-        .map(|pk| format!("'{}', NEW.\"{}\"", pk, pk))
+        .map(|pk| format!("'{pk}', NEW.\"{pk}\""))
         .collect::<Vec<_>>()
         .join(", ");
 
@@ -308,16 +292,10 @@ fn generate_update_trigger_sql(table_name: &str, pks: &[String], cols: &[String]
         for col in cols {
             writeln!(
                 &mut body,
-                "INSERT INTO {log_table} (id, haex_timestamp, op_type, table_name, row_pks, column_name, new_value, old_value)
-                    SELECT {uuid_fn}(), NEW.\"{hlc_col}\", 'UPDATE', '{table}', json_object({pk_payload}), '{column}',
-                    json_object('value', NEW.\"{column}\"), json_object('value', OLD.\"{column}\")
-                    WHERE NEW.\"{column}\" IS NOT OLD.\"{column}\";",
-                log_table = TABLE_CRDT_LOGS,
-                uuid_fn = UUID_FUNCTION_NAME,
-                hlc_col = HLC_TIMESTAMP_COLUMN,
-                table = table_name,
-                pk_payload = pk_json_payload,
-                column = col
+                "INSERT INTO {TABLE_CRDT_LOGS} (id, haex_timestamp, op_type, table_name, row_pks, column_name, new_value, old_value)
+                    SELECT {UUID_FUNCTION_NAME}(), NEW.\"{HLC_TIMESTAMP_COLUMN}\", 'UPDATE', '{table_name}', json_object({pk_json_payload}), '{col}',
+                    json_object('value', NEW.\"{col}\"), json_object('value', OLD.\"{col}\")
+                    WHERE NEW.\"{col}\" IS NOT OLD.\"{col}\";"
             ).unwrap();
         }
     }
@@ -341,7 +319,7 @@ fn generate_update_trigger_sql(table_name: &str, pks: &[String], cols: &[String]
 fn generate_delete_trigger_sql(table_name: &str, pks: &[String], cols: &[String]) -> String {
     let pk_json_payload = pks
         .iter()
-        .map(|pk| format!("'{}', OLD.\"{}\"", pk, pk))
+        .map(|pk| format!("'{pk}', OLD.\"{pk}\""))
         .collect::<Vec<_>>()
         .join(", ");
 
@@ -352,28 +330,17 @@ fn generate_delete_trigger_sql(table_name: &str, pks: &[String], cols: &[String]
         for col in cols {
             writeln!(
                 &mut body,
-                "INSERT INTO {log_table} (id, haex_timestamp, op_type, table_name, row_pks, column_name, old_value)
-                    VALUES ({uuid_fn}(), OLD.\"{hlc_col}\", 'DELETE', '{table}', json_object({pk_payload}), '{column}',
-                    json_object('value', OLD.\"{column}\"));",
-                log_table = TABLE_CRDT_LOGS,
-                uuid_fn = UUID_FUNCTION_NAME,
-                hlc_col = HLC_TIMESTAMP_COLUMN,
-                table = table_name,
-                pk_payload = pk_json_payload,
-                column = col
+                "INSERT INTO {TABLE_CRDT_LOGS} (id, haex_timestamp, op_type, table_name, row_pks, column_name, old_value)
+                    VALUES ({UUID_FUNCTION_NAME}(), OLD.\"{HLC_TIMESTAMP_COLUMN}\", 'DELETE', '{table_name}', json_object({pk_json_payload}), '{col}',
+                    json_object('value', OLD.\"{col}\"));"
             ).unwrap();
         }
     } else {
         // Nur PKs -> minimales Delete Log
         writeln!(
             &mut body,
-            "INSERT INTO {log_table} (id, haex_timestamp, op_type, table_name, row_pks)
-                VALUES ({uuid_fn}(), OLD.\"{hlc_col}\", 'DELETE', '{table}', json_object({pk_payload}));",
-            log_table = TABLE_CRDT_LOGS,
-            uuid_fn = UUID_FUNCTION_NAME,
-            hlc_col = HLC_TIMESTAMP_COLUMN,
-            table = table_name,
-            pk_payload = pk_json_payload
+            "INSERT INTO {TABLE_CRDT_LOGS} (id, haex_timestamp, op_type, table_name, row_pks)
+                VALUES ({UUID_FUNCTION_NAME}(), OLD.\"{HLC_TIMESTAMP_COLUMN}\", 'DELETE', '{table_name}', json_object({pk_json_payload}));"
         )
         .unwrap();
     }
diff --git a/src-tauri/src/database/core.rs b/src-tauri/src/database/core.rs
index e6d5947..4df6344 100644
--- a/src-tauri/src/database/core.rs
+++ b/src-tauri/src/database/core.rs
@@ -47,7 +47,7 @@ pub fn open_and_init_db(path: &str, key: &str, create: bool) -> Result<Connectio
         },
     )
     .map_err(|e| DatabaseError::DatabaseError {
-        reason: format!("Failed to register {} function: {}", UUID_FUNCTION_NAME, e),
+        reason: format!("Failed to register {UUID_FUNCTION_NAME} function: {e}"),
     })?;
 
     let journal_mode: String = conn
@@ -61,8 +61,7 @@ pub fn open_and_init_db(path: &str, key: &str, create: bool) -> Result<Connectio
         println!("WAL mode successfully enabled.");
     } else {
         eprintln!(
-            "Failed to enable WAL mode, journal_mode is '{}'.",
-            journal_mode
+            "Failed to enable WAL mode, journal_mode is '{journal_mode}'."
         );
     }
 
@@ -97,7 +96,7 @@ pub fn parse_sql_statements(sql: &str) -> Result<Vec<Statement>, DatabaseError>
         .join(" ");
 
     Parser::parse_sql(&dialect, &normalized_sql).map_err(|e| DatabaseError::ParseError {
-        reason: format!("Failed to parse SQL: {}", e),
+        reason: format!("Failed to parse SQL: {e}"),
         sql: sql.to_string(),
     })
 }
@@ -138,7 +137,7 @@ impl ValueConverter {
                 serde_json::to_string(json_val)
                     .map(SqlValue::Text)
                     .map_err(|e| DatabaseError::SerializationError {
-                        reason: format!("Failed to serialize JSON param: {}", e),
+                        reason: format!("Failed to serialize JSON param: {e}"),
                     })
             }
         }
@@ -258,7 +257,7 @@ pub fn select_with_crdt(
     params: Vec<JsonValue>,
     connection: &DbConnection,
 ) -> Result<Vec<Vec<JsonValue>>, DatabaseError> {
-    with_connection(&connection, |conn| {
+    with_connection(connection, |conn| {
         SqlExecutor::query_select(conn, &sql, &params)
     })
 }
diff --git a/src-tauri/src/database/init.rs b/src-tauri/src/database/init.rs
index 36b37c2..7fa14a7 100644
--- a/src-tauri/src/database/init.rs
+++ b/src-tauri/src/database/init.rs
@@ -36,8 +36,7 @@ pub fn ensure_triggers_initialized(conn: &mut Connection) -> Result<bool, Databa
 
     // Check if triggers already initialized
     let check_sql = format!(
-        "SELECT value FROM {} WHERE key = ? AND type = ?",
-        TABLE_SETTINGS
+        "SELECT value FROM {TABLE_SETTINGS} WHERE key = ? AND type = ?"
     );
     let initialized: Option<String> = tx
         .query_row(
@@ -57,7 +56,7 @@ pub fn ensure_triggers_initialized(conn: &mut Connection) -> Result<bool, Databa
 
     // Create triggers for all CRDT tables
     for table_name in CRDT_TABLES {
-        eprintln!("  - Setting up triggers for: {}", table_name);
+        eprintln!("  - Setting up triggers for: {table_name}");
         trigger::setup_triggers_for_table(&tx, table_name, false)?;
     }
 
diff --git a/src-tauri/src/database/mod.rs b/src-tauri/src/database/mod.rs
index 46cf1c2..ef1b4c1 100644
--- a/src-tauri/src/database/mod.rs
+++ b/src-tauri/src/database/mod.rs
@@ -21,7 +21,6 @@ use std::{fs, sync::Arc};
 use tauri::{path::BaseDirectory, AppHandle, Manager, State};
 use tauri_plugin_fs::FsExt;
 #[cfg(not(target_os = "android"))]
-use trash;
 use ts_rs::TS;
 
 pub struct DbConnection(pub Arc<Mutex<Option<Connection>>>);
@@ -93,7 +92,7 @@ fn get_vault_path(app_handle: &AppHandle, vault_name: &str) -> Result<String, Da
     let vault_file_name = if vault_name.ends_with(VAULT_EXTENSION) {
         vault_name.to_string()
     } else {
-        format!("{}{VAULT_EXTENSION}", vault_name)
+        format!("{vault_name}{VAULT_EXTENSION}")
     };
 
     let vault_directory = get_vaults_directory(app_handle)?;
@@ -101,13 +100,12 @@ fn get_vault_path(app_handle: &AppHandle, vault_name: &str) -> Result<String, Da
     let vault_path = app_handle
         .path()
         .resolve(
-            format!("{vault_directory}/{}", vault_file_name),
+            format!("{vault_directory}/{vault_file_name}"),
             BaseDirectory::AppLocalData,
         )
         .map_err(|e| DatabaseError::PathResolutionError {
             reason: format!(
-                "Failed to resolve vault path for '{}': {}",
-                vault_file_name, e
+                "Failed to resolve vault path for '{vault_file_name}': {e}"
             ),
         })?;
 
@@ -115,7 +113,7 @@ fn get_vault_path(app_handle: &AppHandle, vault_name: &str) -> Result<String, Da
     if let Some(parent) = vault_path.parent() {
         fs::create_dir_all(parent).map_err(|e| DatabaseError::IoError {
             path: parent.display().to_string(),
-            reason: format!("Failed to create vaults directory: {}", e),
+            reason: format!("Failed to create vaults directory: {e}"),
         })?;
     }
 
@@ -174,18 +172,18 @@ pub fn list_vaults(app_handle: AppHandle) -> Result<Vec<VaultInfo>, DatabaseErro
             if let Some(filename) = path.file_name().and_then(|n| n.to_str()) {
                 if filename.ends_with(VAULT_EXTENSION) {
                     // Entferne .db Endung für die Rückgabe
-                    println!("Vault gefunden {}", filename.to_string());
+                    println!("Vault gefunden {filename}");
 
                     let metadata = fs::metadata(&path).map_err(|e| DatabaseError::IoError {
                         path: path.to_string_lossy().to_string(),
-                        reason: format!("Metadaten konnten nicht gelesen werden: {}", e),
+                        reason: format!("Metadaten konnten nicht gelesen werden: {e}"),
                     })?;
 
                     let last_access_timestamp = metadata
                         .accessed()
                         .map_err(|e| DatabaseError::IoError {
                             path: path.to_string_lossy().to_string(),
-                            reason: format!("Zugriffszeit konnte nicht gelesen werden: {}", e),
+                            reason: format!("Zugriffszeit konnte nicht gelesen werden: {e}"),
                         })?
                         .duration_since(UNIX_EPOCH)
                         .unwrap_or_default() // Fallback für den seltenen Fall einer Zeit vor 1970
@@ -233,8 +231,8 @@ pub fn move_vault_to_trash(
     #[cfg(not(target_os = "android"))]
     {
         let vault_path = get_vault_path(&app_handle, &vault_name)?;
-        let vault_shm_path = format!("{}-shm", vault_path);
-        let vault_wal_path = format!("{}-wal", vault_path);
+        let vault_shm_path = format!("{vault_path}-shm");
+        let vault_wal_path = format!("{vault_path}-wal");
 
         if !Path::new(&vault_path).exists() {
             return Err(DatabaseError::IoError {
@@ -252,14 +250,12 @@ pub fn move_vault_to_trash(
             let _ = trash::delete(&vault_wal_path);
 
             Ok(format!(
-                "Vault '{}' successfully moved to trash",
-                vault_name
+                "Vault '{vault_name}' successfully moved to trash"
             ))
         } else {
             // Fallback: Permanent deletion if trash fails
             println!(
-                "Trash not available, falling back to permanent deletion for vault '{}'",
-                vault_name
+                "Trash not available, falling back to permanent deletion for vault '{vault_name}'"
             );
             delete_vault(app_handle, vault_name)
         }
@@ -270,8 +266,8 @@ pub fn move_vault_to_trash(
 #[tauri::command]
 pub fn delete_vault(app_handle: AppHandle, vault_name: String) -> Result<String, DatabaseError> {
     let vault_path = get_vault_path(&app_handle, &vault_name)?;
-    let vault_shm_path = format!("{}-shm", vault_path);
-    let vault_wal_path = format!("{}-wal", vault_path);
+    let vault_shm_path = format!("{vault_path}-shm");
+    let vault_wal_path = format!("{vault_path}-wal");
 
     if !Path::new(&vault_path).exists() {
         return Err(DatabaseError::IoError {
@@ -283,23 +279,23 @@ pub fn delete_vault(app_handle: AppHandle, vault_name: String) -> Result<String,
     if Path::new(&vault_shm_path).exists() {
         fs::remove_file(&vault_shm_path).map_err(|e| DatabaseError::IoError {
             path: vault_shm_path.clone(),
-            reason: format!("Failed to delete vault: {}", e),
+            reason: format!("Failed to delete vault: {e}"),
         })?;
     }
 
     if Path::new(&vault_wal_path).exists() {
         fs::remove_file(&vault_wal_path).map_err(|e| DatabaseError::IoError {
             path: vault_wal_path.clone(),
-            reason: format!("Failed to delete vault: {}", e),
+            reason: format!("Failed to delete vault: {e}"),
         })?;
     }
 
     fs::remove_file(&vault_path).map_err(|e| DatabaseError::IoError {
         path: vault_path.clone(),
-        reason: format!("Failed to delete vault: {}", e),
+        reason: format!("Failed to delete vault: {e}"),
     })?;
 
-    Ok(format!("Vault '{}' successfully deleted", vault_name))
+    Ok(format!("Vault '{vault_name}' successfully deleted"))
 }
 
 #[tauri::command]
@@ -309,16 +305,16 @@ pub fn create_encrypted_database(
     key: String,
     state: State<'_, AppState>,
 ) -> Result<String, DatabaseError> {
-    println!("Creating encrypted vault with name: {}", vault_name);
+    println!("Creating encrypted vault with name: {vault_name}");
 
     let vault_path = get_vault_path(&app_handle, &vault_name)?;
-    println!("Resolved vault path: {}", vault_path);
+    println!("Resolved vault path: {vault_path}");
 
     // Prüfen, ob bereits eine Vault mit diesem Namen existiert
     if Path::new(&vault_path).exists() {
         return Err(DatabaseError::IoError {
             path: vault_path,
-            reason: format!("A vault with the name '{}' already exists", vault_name),
+            reason: format!("A vault with the name '{vault_name}' already exists"),
         });
     }
     /* let resource_path = app_handle
@@ -330,7 +326,7 @@ pub fn create_encrypted_database(
         .path()
         .resolve("database/vault.db", BaseDirectory::Resource)
         .map_err(|e| DatabaseError::PathResolutionError {
-            reason: format!("Failed to resolve template database: {}", e),
+            reason: format!("Failed to resolve template database: {e}"),
         })?;
 
     let template_content =
@@ -339,20 +335,20 @@ pub fn create_encrypted_database(
             .read(&template_path)
             .map_err(|e| DatabaseError::IoError {
                 path: template_path.display().to_string(),
-                reason: format!("Failed to read template database from resources: {}", e),
+                reason: format!("Failed to read template database from resources: {e}"),
             })?;
 
     let temp_path = app_handle
         .path()
         .resolve("temp_vault.db", BaseDirectory::AppLocalData)
         .map_err(|e| DatabaseError::PathResolutionError {
-            reason: format!("Failed to resolve temp database: {}", e),
+            reason: format!("Failed to resolve temp database: {e}"),
         })?;
 
     let temp_path_clone = temp_path.to_owned();
     fs::write(temp_path, template_content).map_err(|e| DatabaseError::IoError {
         path: vault_path.to_string(),
-        reason: format!("Failed to write temporary template database: {}", e),
+        reason: format!("Failed to write temporary template database: {e}"),
     })?;
     /* if !template_path.exists() {
         return Err(DatabaseError::IoError {
@@ -365,8 +361,7 @@ pub fn create_encrypted_database(
     let conn = Connection::open(&temp_path_clone).map_err(|e| DatabaseError::ConnectionFailed {
         path: temp_path_clone.display().to_string(),
         reason: format!(
-            "Fehler beim Öffnen der unverschlüsselten Quelldatenbank: {}",
-            e
+            "Fehler beim Öffnen der unverschlüsselten Quelldatenbank: {e}"
         ),
     })?;
 
@@ -394,7 +389,7 @@ pub fn create_encrypted_database(
         let _ = fs::remove_file(&vault_path);
         let _ = fs::remove_file(&temp_path_clone);
         return Err(DatabaseError::QueryError {
-            reason: format!("Fehler während sqlcipher_export: {}", e),
+            reason: format!("Fehler während sqlcipher_export: {e}"),
         });
     }
 
@@ -419,11 +414,11 @@ pub fn create_encrypted_database(
         Ok(version)
     }) {
         Ok(version) => {
-            println!("SQLCipher ist aktiv! Version: {}", version);
+            println!("SQLCipher ist aktiv! Version: {version}");
         }
         Err(e) => {
             eprintln!("FEHLER: SQLCipher scheint NICHT aktiv zu sein!");
-            eprintln!("Der Befehl 'PRAGMA cipher_version;' schlug fehl: {}", e);
+            eprintln!("Der Befehl 'PRAGMA cipher_version;' schlug fehl: {e}");
             eprintln!("Die Datenbank wurde wahrscheinlich NICHT verschlüsselt.");
         }
     }
@@ -431,7 +426,7 @@ pub fn create_encrypted_database(
     conn.close()
         .map_err(|(_, e)| DatabaseError::ConnectionFailed {
             path: template_path.display().to_string(),
-            reason: format!("Fehler beim Schließen der Quelldatenbank: {}", e),
+            reason: format!("Fehler beim Schließen der Quelldatenbank: {e}"),
         })?;
 
     let _ = fs::remove_file(&temp_path_clone);
@@ -448,19 +443,19 @@ pub fn open_encrypted_database(
     key: String,
     state: State<'_, AppState>,
 ) -> Result<String, DatabaseError> {
-    println!("Opening encrypted database vault_path: {}", vault_path);
-    println!("Resolved vault path: {}", vault_path);
+    println!("Opening encrypted database vault_path: {vault_path}");
+    println!("Resolved vault path: {vault_path}");
 
     if !Path::new(&vault_path).exists() {
         return Err(DatabaseError::IoError {
             path: vault_path.to_string(),
-            reason: format!("Vault '{}' does not exist", vault_path),
+            reason: format!("Vault '{vault_path}' does not exist"),
         });
     }
 
     initialize_session(&app_handle, &vault_path, &key, &state)?;
 
-    Ok(format!("Vault '{}' opened successfully", vault_path))
+    Ok(format!("Vault '{vault_path}' opened successfully"))
 }
 
 /// Opens the DB, initializes the HLC service, and stores both in the AppState.
@@ -512,8 +507,7 @@ fn initialize_session(
         eprintln!("INFO: Setting 'triggers_initialized' flag via CRDT...");
 
         let insert_sql = format!(
-            "INSERT INTO {} (id, key, type, value) VALUES (?, ?, ?, ?)",
-            TABLE_SETTINGS
+            "INSERT INTO {TABLE_SETTINGS} (id, key, type, value) VALUES (?, ?, ?, ?)"
         );
 
         // execute_with_crdt erwartet Vec<JsonValue>, kein params!-Makro
diff --git a/src-tauri/src/extension/core/manager.rs b/src-tauri/src/extension/core/manager.rs
index 1aa583f..316c083 100644
--- a/src-tauri/src/extension/core/manager.rs
+++ b/src-tauri/src/extension/core/manager.rs
@@ -10,10 +10,8 @@ use crate::extension::permissions::manager::PermissionManager;
 use crate::extension::permissions::types::ExtensionPermission;
 use crate::table_names::{TABLE_EXTENSIONS, TABLE_EXTENSION_PERMISSIONS};
 use crate::AppState;
-use serde_json::Value as JsonValue;
-use std::collections::{HashMap, HashSet};
+use std::collections::HashMap;
 use std::fs;
-use std::io::Cursor;
 use std::path::PathBuf;
 use std::sync::Mutex;
 use std::time::{Duration, SystemTime};
@@ -77,7 +75,7 @@ impl ExtensionManager {
         // Check for path traversal patterns
         if relative_path.contains("..") {
             return Err(ExtensionError::SecurityViolation {
-                reason: format!("Path traversal attempt: {}", relative_path),
+                reason: format!("Path traversal attempt: {relative_path}"),
             });
         }
 
@@ -104,7 +102,7 @@ impl ExtensionManager {
         if let Ok(canonical_path) = full_path.canonicalize() {
             if !canonical_path.starts_with(&canonical_base) {
                 return Err(ExtensionError::SecurityViolation {
-                    reason: format!("Path outside base directory: {}", relative_path),
+                    reason: format!("Path outside base directory: {relative_path}"),
                 });
             }
             Ok(Some(canonical_path))
@@ -114,7 +112,7 @@ impl ExtensionManager {
                 Ok(Some(full_path))
             } else {
                 Err(ExtensionError::SecurityViolation {
-                    reason: format!("Path outside base directory: {}", relative_path),
+                    reason: format!("Path outside base directory: {relative_path}"),
                 })
             }
         }
@@ -131,13 +129,13 @@ impl ExtensionManager {
             if let Some(clean_path) = Self::validate_path_in_directory(extension_dir, icon, true)? {
                 return Ok(Some(clean_path.to_string_lossy().to_string()));
             } else {
-                eprintln!("WARNING: Icon path specified in manifest not found: {}", icon);
+                eprintln!("WARNING: Icon path specified in manifest not found: {icon}");
                 // Continue to fallback logic
             }
         }
 
         // Fallback 1: Check haextension/favicon.ico
-        let haextension_favicon = format!("{}/favicon.ico", haextension_dir);
+        let haextension_favicon = format!("{haextension_dir}/favicon.ico");
         if let Some(clean_path) = Self::validate_path_in_directory(extension_dir, &haextension_favicon, true)? {
             return Ok(Some(clean_path.to_string_lossy().to_string()));
         }
@@ -162,11 +160,11 @@ impl ExtensionManager {
             .path()
             .app_cache_dir()
             .map_err(|e| ExtensionError::InstallationFailed {
-                reason: format!("Cannot get app cache dir: {}", e),
+                reason: format!("Cannot get app cache dir: {e}"),
             })?;
 
         let temp_id = uuid::Uuid::new_v4();
-        let temp = cache_dir.join(format!("{}_{}", temp_prefix, temp_id));
+        let temp = cache_dir.join(format!("{temp_prefix}_{temp_id}"));
         let zip_file_path = cache_dir.join(format!("{}_{}_{}.haextension", temp_prefix, temp_id, "temp"));
 
         // Write bytes to a temporary ZIP file first (important for Android file system)
@@ -185,14 +183,14 @@ impl ExtensionManager {
 
         let mut archive = ZipArchive::new(zip_file).map_err(|e| {
             ExtensionError::InstallationFailed {
-                reason: format!("Invalid ZIP: {}", e),
+                reason: format!("Invalid ZIP: {e}"),
             }
         })?;
 
         archive
             .extract(&temp)
             .map_err(|e| ExtensionError::InstallationFailed {
-                reason: format!("Cannot extract ZIP: {}", e),
+                reason: format!("Cannot extract ZIP: {e}"),
             })?;
 
         // Clean up temporary ZIP file
@@ -203,12 +201,12 @@ impl ExtensionManager {
         let haextension_dir = if config_path.exists() {
             let config_content = std::fs::read_to_string(&config_path)
                 .map_err(|e| ExtensionError::ManifestError {
-                    reason: format!("Cannot read haextension.config.json: {}", e),
+                    reason: format!("Cannot read haextension.config.json: {e}"),
                 })?;
 
             let config: serde_json::Value = serde_json::from_str(&config_content)
                 .map_err(|e| ExtensionError::ManifestError {
-                    reason: format!("Invalid haextension.config.json: {}", e),
+                    reason: format!("Invalid haextension.config.json: {e}"),
                 })?;
 
             let dir = config
@@ -224,16 +222,16 @@ impl ExtensionManager {
         };
 
         // Validate manifest path using helper function
-        let manifest_relative_path = format!("{}/manifest.json", haextension_dir);
+        let manifest_relative_path = format!("{haextension_dir}/manifest.json");
         let manifest_path = Self::validate_path_in_directory(&temp, &manifest_relative_path, true)?
             .ok_or_else(|| ExtensionError::ManifestError {
-                reason: format!("manifest.json not found at {}/manifest.json", haextension_dir),
+                reason: format!("manifest.json not found at {haextension_dir}/manifest.json"),
             })?;
 
         let actual_dir = temp.clone();
         let manifest_content =
             std::fs::read_to_string(&manifest_path).map_err(|e| ExtensionError::ManifestError {
-                reason: format!("Cannot read manifest: {}", e),
+                reason: format!("Cannot read manifest: {e}"),
             })?;
 
         let mut manifest: ExtensionManifest = serde_json::from_str(&manifest_content)?;
@@ -440,8 +438,7 @@ impl ExtensionManager {
 
         eprintln!("DEBUG: Removing extension with ID: {}", extension.id);
         eprintln!(
-            "DEBUG: Extension name: {}, version: {}",
-            extension_name, extension_version
+            "DEBUG: Extension name: {extension_name}, version: {extension_version}"
         );
 
         // Lösche Permissions und Extension-Eintrag in einer Transaktion
@@ -460,7 +457,7 @@ impl ExtensionManager {
             PermissionManager::delete_permissions_in_transaction(&tx, &hlc_service, &extension.id)?;
 
             // Lösche Extension-Eintrag mit extension_id
-            let sql = format!("DELETE FROM {} WHERE id = ?", TABLE_EXTENSIONS);
+            let sql = format!("DELETE FROM {TABLE_EXTENSIONS} WHERE id = ?");
             eprintln!("DEBUG: Executing SQL: {} with id = {}", sql, extension.id);
             SqlExecutor::execute_internal_typed(
                 &tx,
@@ -615,8 +612,7 @@ impl ExtensionManager {
 
             // 1. Extension-Eintrag erstellen mit generierter UUID
             let insert_ext_sql = format!(
-                "INSERT INTO {} (id, name, version, author, entry, icon, public_key, signature, homepage, description, enabled, single_instance) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
-                TABLE_EXTENSIONS
+                "INSERT INTO {TABLE_EXTENSIONS} (id, name, version, author, entry, icon, public_key, signature, homepage, description, enabled, single_instance) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"
             );
 
             SqlExecutor::execute_internal_typed(
@@ -641,8 +637,7 @@ impl ExtensionManager {
 
             // 2. Permissions speichern
             let insert_perm_sql = format!(
-                "INSERT INTO {} (id, extension_id, resource_type, action, target, constraints, status) VALUES (?, ?, ?, ?, ?, ?, ?)",
-                TABLE_EXTENSION_PERMISSIONS
+                "INSERT INTO {TABLE_EXTENSION_PERMISSIONS} (id, extension_id, resource_type, action, target, constraints, status) VALUES (?, ?, ?, ?, ?, ?, ?)"
             );
 
             for perm in &permissions {
@@ -714,10 +709,9 @@ impl ExtensionManager {
         // Lade alle Daten aus der Datenbank
         let extensions = with_connection(&state.db, |conn| {
             let sql = format!(
-            "SELECT id, name, version, author, entry, icon, public_key, signature, homepage, description, enabled, single_instance FROM {}",
-            TABLE_EXTENSIONS
+            "SELECT id, name, version, author, entry, icon, public_key, signature, homepage, description, enabled, single_instance FROM {TABLE_EXTENSIONS}"
         );
-            eprintln!("DEBUG: SQL Query before transformation: {}", sql);
+            eprintln!("DEBUG: SQL Query before transformation: {sql}");
 
             let results = SqlExecutor::query_select(conn, &sql, &[])?;
             eprintln!("DEBUG: Query returned {} results", results.len());
@@ -779,7 +773,7 @@ impl ExtensionManager {
 
         for extension_data in extensions {
             let extension_id = extension_data.id;
-            eprintln!("DEBUG: Processing extension: {}", extension_id);
+            eprintln!("DEBUG: Processing extension: {extension_id}");
 
             // Use public_key/name/version path structure
             let extension_path = self.get_extension_dir(
@@ -792,8 +786,7 @@ impl ExtensionManager {
             // Check if extension directory exists
             if !extension_path.exists() {
                 eprintln!(
-                    "DEBUG: Extension directory missing for: {} at {:?}",
-                    extension_id, extension_path
+                    "DEBUG: Extension directory missing for: {extension_id} at {extension_path:?}"
                 );
                 self.missing_extensions
                     .lock()
@@ -833,13 +826,12 @@ impl ExtensionManager {
             };
 
             // Validate manifest.json path using helper function
-            let manifest_relative_path = format!("{}/manifest.json", haextension_dir);
+            let manifest_relative_path = format!("{haextension_dir}/manifest.json");
             if Self::validate_path_in_directory(&extension_path, &manifest_relative_path, true)?
                 .is_none()
             {
                 eprintln!(
-                    "DEBUG: manifest.json missing or invalid for: {} at {}/manifest.json",
-                    extension_id, haextension_dir
+                    "DEBUG: manifest.json missing or invalid for: {extension_id} at {haextension_dir}/manifest.json"
                 );
                 self.missing_extensions
                     .lock()
@@ -855,7 +847,7 @@ impl ExtensionManager {
                 continue;
             }
 
-            eprintln!("DEBUG: Extension loaded successfully: {}", extension_id);
+            eprintln!("DEBUG: Extension loaded successfully: {extension_id}");
 
             let extension = Extension {
                 id: extension_id.clone(),
diff --git a/src-tauri/src/extension/core/protocol.rs b/src-tauri/src/extension/core/protocol.rs
index 47a432e..76022b2 100644
--- a/src-tauri/src/extension/core/protocol.rs
+++ b/src-tauri/src/extension/core/protocol.rs
@@ -42,12 +42,12 @@ enum DataProcessingError {
 impl fmt::Display for DataProcessingError {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
-            DataProcessingError::HexDecoding(e) => write!(f, "Hex-Dekodierungsfehler: {}", e),
+            DataProcessingError::HexDecoding(e) => write!(f, "Hex-Dekodierungsfehler: {e}"),
             DataProcessingError::Utf8Conversion(e) => {
-                write!(f, "UTF-8-Konvertierungsfehler: {}", e)
+                write!(f, "UTF-8-Konvertierungsfehler: {e}")
             }
-            DataProcessingError::JsonParsing(e) => write!(f, "JSON-Parsing-Fehler: {}", e),
-            DataProcessingError::Custom(msg) => write!(f, "Datenverarbeitungsfehler: {}", msg),
+            DataProcessingError::JsonParsing(e) => write!(f, "JSON-Parsing-Fehler: {e}"),
+            DataProcessingError::Custom(msg) => write!(f, "Datenverarbeitungsfehler: {msg}"),
         }
     }
 }
@@ -101,7 +101,7 @@ pub fn resolve_secure_extension_asset_path(
             .all(|c| c.is_ascii_alphanumeric() || c == '-')
     {
         return Err(ExtensionError::ValidationError {
-            reason: format!("Invalid extension name: {}", extension_name),
+            reason: format!("Invalid extension name: {extension_name}"),
         });
     }
 
@@ -111,7 +111,7 @@ pub fn resolve_secure_extension_asset_path(
             .all(|c| c.is_ascii_alphanumeric() || c == '-' || c == '.')
     {
         return Err(ExtensionError::ValidationError {
-            reason: format!("Invalid extension version: {}", extension_version),
+            reason: format!("Invalid extension version: {extension_version}"),
         });
     }
 
@@ -146,11 +146,10 @@ pub fn resolve_secure_extension_asset_path(
                 Ok(canonical_path)
             } else {
                 eprintln!(
-                    "SECURITY WARNING: Path traversal attempt blocked: {}",
-                    requested_asset_path
+                    "SECURITY WARNING: Path traversal attempt blocked: {requested_asset_path}"
                 );
                 Err(ExtensionError::SecurityViolation {
-                    reason: format!("Path traversal attempt: {}", requested_asset_path),
+                    reason: format!("Path traversal attempt: {requested_asset_path}"),
                 })
             }
         }
@@ -159,11 +158,10 @@ pub fn resolve_secure_extension_asset_path(
                 Ok(final_path)
             } else {
                 eprintln!(
-                    "SECURITY WARNING: Invalid asset path: {}",
-                    requested_asset_path
+                    "SECURITY WARNING: Invalid asset path: {requested_asset_path}"
                 );
                 Err(ExtensionError::SecurityViolation {
-                    reason: format!("Invalid asset path: {}", requested_asset_path),
+                    reason: format!("Invalid asset path: {requested_asset_path}"),
                 })
             }
         }
@@ -184,7 +182,7 @@ pub fn extension_protocol_handler(
 
     // Only allow same-protocol requests or tauri origin
     // For null/empty origin (initial load), use wildcard
-    let protocol_prefix = format!("{}://", EXTENSION_PROTOCOL_NAME);
+    let protocol_prefix = format!("{EXTENSION_PROTOCOL_NAME}://");
     let allowed_origin = if origin.starts_with(&protocol_prefix) || origin == get_tauri_origin() {
         origin
     } else if origin.is_empty() || origin == "null" {
@@ -216,9 +214,9 @@ pub fn extension_protocol_handler(
         .and_then(|v| v.to_str().ok())
         .unwrap_or("");
 
-    println!("Protokoll Handler für: {}", uri_ref);
-    println!("Origin: {}", origin);
-    println!("Referer: {}", referer);
+    println!("Protokoll Handler für: {uri_ref}");
+    println!("Origin: {origin}");
+    println!("Referer: {referer}");
 
     let path_str = uri_ref.path();
 
@@ -227,16 +225,16 @@ pub fn extension_protocol_handler(
     // - Desktop: haex-extension://<base64>/{assetPath}
     // - Android: http://localhost/{base64}/{assetPath}
     let host = uri_ref.host().unwrap_or("");
-    println!("URI Host: {}", host);
+    println!("URI Host: {host}");
 
-    let (info, segments_after_version) = if host == "localhost" || host == format!("{}.localhost", EXTENSION_PROTOCOL_NAME).as_str() {
+    let (info, segments_after_version) = if host == "localhost" || host == format!("{EXTENSION_PROTOCOL_NAME}.localhost").as_str() {
         // Android format: http://haex-extension.localhost/{base64}/{assetPath}
         // Extract base64 from first path segment
-        println!("Android format detected: http://{}/...", host);
+        println!("Android format detected: http://{host}/...");
         let mut segments_iter = path_str.split('/').filter(|s| !s.is_empty());
 
         if let Some(first_segment) = segments_iter.next() {
-            println!("First path segment (base64): {}", first_segment);
+            println!("First path segment (base64): {first_segment}");
             match BASE64_STANDARD.decode(first_segment) {
                 Ok(decoded_bytes) => match String::from_utf8(decoded_bytes) {
                     Ok(json_str) => match serde_json::from_str::<ExtensionInfo>(&json_str) {
@@ -252,29 +250,29 @@ pub fn extension_protocol_handler(
                             (info, remaining)
                         }
                         Err(e) => {
-                            eprintln!("Failed to parse JSON from base64 path: {}", e);
+                            eprintln!("Failed to parse JSON from base64 path: {e}");
                             return Response::builder()
                                 .status(400)
                                 .header("Access-Control-Allow-Origin", allowed_origin)
-                                .body(Vec::from(format!("Invalid extension info in base64 path: {}", e)))
+                                .body(Vec::from(format!("Invalid extension info in base64 path: {e}")))
                                 .map_err(|e| e.into());
                         }
                     },
                     Err(e) => {
-                        eprintln!("Failed to decode UTF-8 from base64 path: {}", e);
+                        eprintln!("Failed to decode UTF-8 from base64 path: {e}");
                         return Response::builder()
                             .status(400)
                             .header("Access-Control-Allow-Origin", allowed_origin)
-                            .body(Vec::from(format!("Invalid UTF-8 in base64 path: {}", e)))
+                            .body(Vec::from(format!("Invalid UTF-8 in base64 path: {e}")))
                             .map_err(|e| e.into());
                     }
                 },
                 Err(e) => {
-                    eprintln!("Failed to decode base64 from path: {}", e);
+                    eprintln!("Failed to decode base64 from path: {e}");
                     return Response::builder()
                         .status(400)
                         .header("Access-Control-Allow-Origin", allowed_origin)
-                        .body(Vec::from(format!("Invalid base64 in path: {}", e)))
+                        .body(Vec::from(format!("Invalid base64 in path: {e}")))
                         .map_err(|e| e.into());
                 }
             }
@@ -311,35 +309,35 @@ pub fn extension_protocol_handler(
                         (info, segments)
                     }
                     Err(e) => {
-                        eprintln!("Failed to parse JSON from base64 host: {}", e);
+                        eprintln!("Failed to parse JSON from base64 host: {e}");
                         return Response::builder()
                             .status(400)
                             .header("Access-Control-Allow-Origin", allowed_origin)
-                            .body(Vec::from(format!("Invalid extension info in base64 host: {}", e)))
+                            .body(Vec::from(format!("Invalid extension info in base64 host: {e}")))
                             .map_err(|e| e.into());
                     }
                 },
                 Err(e) => {
-                    eprintln!("Failed to decode UTF-8 from base64 host: {}", e);
+                    eprintln!("Failed to decode UTF-8 from base64 host: {e}");
                     return Response::builder()
                         .status(400)
                         .header("Access-Control-Allow-Origin", allowed_origin)
-                        .body(Vec::from(format!("Invalid UTF-8 in base64 host: {}", e)))
+                        .body(Vec::from(format!("Invalid UTF-8 in base64 host: {e}")))
                         .map_err(|e| e.into());
                 }
             },
             Err(e) => {
-                eprintln!("Failed to decode base64 host: {}", e);
+                eprintln!("Failed to decode base64 host: {e}");
                 return Response::builder()
                     .status(400)
                     .header("Access-Control-Allow-Origin", allowed_origin)
-                    .body(Vec::from(format!("Invalid base64 in host: {}", e)))
+                    .body(Vec::from(format!("Invalid base64 in host: {e}")))
                     .map_err(|e| e.into());
             }
         }
     } else {
         // No base64 host - use path-based parsing (for localhost/Android/Windows)
-        parse_extension_info_from_path(path_str, origin, uri_ref, referer, &allowed_origin)?
+        parse_extension_info_from_path(path_str, origin, uri_ref, referer, allowed_origin)?
     };
 
     // Construct asset path from remaining segments
@@ -353,8 +351,8 @@ pub fn extension_protocol_handler(
         &raw_asset_path
     };
 
-    println!("Path: {}", path_str);
-    println!("Asset to load: {}", asset_to_load);
+    println!("Path: {path_str}");
+    println!("Asset to load: {asset_to_load}");
 
     let absolute_secure_path = resolve_secure_extension_asset_path(
         app_handle,
@@ -362,7 +360,7 @@ pub fn extension_protocol_handler(
         &info.public_key,
         &info.name,
         &info.version,
-        &asset_to_load,
+        asset_to_load,
     )?;
 
     println!("Resolved path: {}", absolute_secure_path.display());
@@ -497,7 +495,7 @@ fn parse_encoded_info_from_origin_or_uri_or_referer_or_cache(
         if let Ok(hex) = parse_from_origin(origin) {
             if let Ok(info) = process_hex_encoded_json(&hex) {
                 cache_extension_info(&info); // Cache setzen
-                println!("Parsed und gecached aus Origin: {}", hex);
+                println!("Parsed und gecached aus Origin: {hex}");
                 return Ok(info);
             }
         }
@@ -507,17 +505,17 @@ fn parse_encoded_info_from_origin_or_uri_or_referer_or_cache(
     if let Ok(hex) = parse_from_uri_path(uri_ref) {
         if let Ok(info) = process_hex_encoded_json(&hex) {
             cache_extension_info(&info); // Cache setzen
-            println!("Parsed und gecached aus URI: {}", hex);
+            println!("Parsed und gecached aus URI: {hex}");
             return Ok(info);
         }
     }
 
-    println!("Fallback zu Referer-Parsing: {}", referer);
+    println!("Fallback zu Referer-Parsing: {referer}");
     if !referer.is_empty() && referer != "null" {
         if let Ok(hex) = parse_from_uri_string(referer) {
             if let Ok(info) = process_hex_encoded_json(&hex) {
                 cache_extension_info(&info); // Cache setzen
-                println!("Parsed und gecached aus Referer: {}", hex);
+                println!("Parsed und gecached aus Referer: {hex}");
                 return Ok(info);
             }
         }
@@ -609,11 +607,6 @@ fn validate_and_return_hex(segment: &str) -> Result<String, DataProcessingError>
     Ok(segment.to_string())
 }
 
-fn encode_hex_for_log(info: &ExtensionInfo) -> String {
-    let json_str = serde_json::to_string(info).unwrap_or_default();
-    hex::encode(json_str.as_bytes())
-}
-
 // Helper function to parse extension info from path segments
 fn parse_extension_info_from_path(
     path_str: &str,
@@ -627,11 +620,11 @@ fn parse_extension_info_from_path(
     match (segments_iter.next(), segments_iter.next(), segments_iter.next()) {
         (Some(public_key), Some(name), Some(version)) => {
             println!("=== Extension Protocol Handler (path-based) ===");
-            println!("Full URI: {}", uri_ref);
+            println!("Full URI: {uri_ref}");
             println!("Parsed from path segments:");
-            println!("  PublicKey: {}", public_key);
-            println!("  Name: {}", name);
-            println!("  Version: {}", version);
+            println!("  PublicKey: {public_key}");
+            println!("  Name: {name}");
+            println!("  Version: {version}");
 
             let info = ExtensionInfo {
                 public_key: public_key.to_string(),
@@ -653,7 +646,7 @@ fn parse_extension_info_from_path(
             ) {
                 Ok(decoded) => {
                     println!("=== Extension Protocol Handler (legacy hex format) ===");
-                    println!("Full URI: {}", uri_ref);
+                    println!("Full URI: {uri_ref}");
                     println!("Decoded info:");
                     println!("  PublicKey: {}", decoded.public_key);
                     println!("  Name: {}", decoded.name);
@@ -670,8 +663,8 @@ fn parse_extension_info_from_path(
                     Ok((decoded, segments))
                 }
                 Err(e) => {
-                    eprintln!("Fehler beim Parsen (alle Fallbacks): {}", e);
-                    Err(format!("Ungültige Anfrage: {}", e).into())
+                    eprintln!("Fehler beim Parsen (alle Fallbacks): {e}");
+                    Err(format!("Ungültige Anfrage: {e}").into())
                 }
             }
         }
diff --git a/src-tauri/src/extension/core/types.rs b/src-tauri/src/extension/core/types.rs
index 340ca02..b0c1560 100644
--- a/src-tauri/src/extension/core/types.rs
+++ b/src-tauri/src/extension/core/types.rs
@@ -70,8 +70,7 @@ pub fn copy_directory(
     use std::path::PathBuf;
 
     println!(
-        "Kopiere Verzeichnis von '{}' nach '{}'",
-        source, destination
+        "Kopiere Verzeichnis von '{source}' nach '{destination}'"
     );
 
     let source_path = PathBuf::from(&source);
@@ -81,7 +80,7 @@ pub fn copy_directory(
         return Err(ExtensionError::Filesystem {
             source: std::io::Error::new(
                 std::io::ErrorKind::NotFound,
-                format!("Source directory '{}' not found", source),
+                format!("Source directory '{source}' not found"),
             ),
         });
     }
@@ -93,7 +92,7 @@ pub fn copy_directory(
 
     fs_extra::dir::copy(&source_path, &destination_path, &options).map_err(|e| {
         ExtensionError::Filesystem {
-            source: std::io::Error::new(std::io::ErrorKind::Other, e.to_string()),
+            source: std::io::Error::other(e.to_string()),
         }
     })?;
     Ok(())
diff --git a/src-tauri/src/extension/crypto.rs b/src-tauri/src/extension/crypto.rs
index a2197c2..9b002f7 100644
--- a/src-tauri/src/extension/crypto.rs
+++ b/src-tauri/src/extension/crypto.rs
@@ -18,20 +18,20 @@ impl ExtensionCrypto {
         signature_hex: &str,
     ) -> Result<(), String> {
         let public_key_bytes =
-            hex::decode(public_key_hex).map_err(|e| format!("Invalid public key: {}", e))?;
+            hex::decode(public_key_hex).map_err(|e| format!("Invalid public key: {e}"))?;
         let public_key = VerifyingKey::from_bytes(&public_key_bytes.try_into().unwrap())
-            .map_err(|e| format!("Invalid public key: {}", e))?;
+            .map_err(|e| format!("Invalid public key: {e}"))?;
 
         let signature_bytes =
-            hex::decode(signature_hex).map_err(|e| format!("Invalid signature: {}", e))?;
+            hex::decode(signature_hex).map_err(|e| format!("Invalid signature: {e}"))?;
         let signature = Signature::from_bytes(&signature_bytes.try_into().unwrap());
 
         let content_hash =
-            hex::decode(content_hash_hex).map_err(|e| format!("Invalid content hash: {}", e))?;
+            hex::decode(content_hash_hex).map_err(|e| format!("Invalid content hash: {e}"))?;
 
         public_key
             .verify(&content_hash, &signature)
-            .map_err(|e| format!("Signature verification failed: {}", e))
+            .map_err(|e| format!("Signature verification failed: {e}"))
     }
 
     /// Berechnet Hash eines Verzeichnisses (für Verifikation)
@@ -71,7 +71,7 @@ impl ExtensionCrypto {
 
         if !canonical_manifest_path.starts_with(&canonical_dir) {
             return Err(ExtensionError::ManifestError {
-                reason: format!("Manifest path resolves outside of extension directory (potential path traversal)"),
+                reason: "Manifest path resolves outside of extension directory (potential path traversal)".to_string(),
             });
         }
 
@@ -90,7 +90,7 @@ impl ExtensionCrypto {
                 let mut manifest: serde_json::Value =
                     serde_json::from_str(&content_str).map_err(|e| {
                         ExtensionError::ManifestError {
-                            reason: format!("Cannot parse manifest JSON: {}", e),
+                            reason: format!("Cannot parse manifest JSON: {e}"),
                         }
                     })?;
 
@@ -107,7 +107,7 @@ impl ExtensionCrypto {
                 let canonical_manifest_content =
                     serde_json::to_string_pretty(&manifest).map_err(|e| {
                         ExtensionError::ManifestError {
-                            reason: format!("Failed to serialize manifest: {}", e),
+                            reason: format!("Failed to serialize manifest: {e}"),
                         }
                     })?;
 
diff --git a/src-tauri/src/extension/database/executor.rs b/src-tauri/src/extension/database/executor.rs
index 9e6a599..d6e005c 100644
--- a/src-tauri/src/extension/database/executor.rs
+++ b/src-tauri/src/extension/database/executor.rs
@@ -3,7 +3,7 @@
 use crate::crdt::hlc::HlcService;
 use crate::crdt::transformer::CrdtTransformer;
 use crate::crdt::trigger;
-use crate::database::core::{convert_value_ref_to_json, parse_sql_statements, ValueConverter};
+use crate::database::core::{convert_value_ref_to_json, parse_sql_statements};
 use crate::database::error::DatabaseError;
 use rusqlite::{params_from_iter, types::Value as SqliteValue, ToSql, Transaction};
 use serde_json::Value as JsonValue;
@@ -52,14 +52,14 @@ impl SqlExecutor {
         }
 
         let sql_str = statement.to_string();
-        eprintln!("DEBUG: Transformed execute SQL: {}", sql_str);
+        eprintln!("DEBUG: Transformed execute SQL: {sql_str}");
 
         // Führe Statement aus
         tx.execute(&sql_str, params)
             .map_err(|e| DatabaseError::ExecutionError {
                 sql: sql_str.clone(),
                 table: None,
-                reason: format!("Execute failed: {}", e),
+                reason: format!("Execute failed: {e}"),
             })?;
 
         // Trigger-Logik für CREATE TABLE
@@ -70,7 +70,7 @@ impl SqlExecutor {
                 .trim_matches('"')
                 .trim_matches('`')
                 .to_string();
-            eprintln!("DEBUG: Setting up triggers for table: {}", table_name_str);
+            eprintln!("DEBUG: Setting up triggers for table: {table_name_str}");
             trigger::setup_triggers_for_table(tx, &table_name_str, false)?;
         }
 
@@ -115,7 +115,7 @@ impl SqlExecutor {
         }
 
         let sql_str = statement.to_string();
-        eprintln!("DEBUG: Transformed SQL (with RETURNING): {}", sql_str);
+        eprintln!("DEBUG: Transformed SQL (with RETURNING): {sql_str}");
 
         // Prepare und query ausführen
         let mut stmt = tx
@@ -170,7 +170,7 @@ impl SqlExecutor {
                 .trim_matches('"')
                 .trim_matches('`')
                 .to_string();
-            eprintln!("DEBUG: Setting up triggers for table (RETURNING): {}", table_name_str);
+            eprintln!("DEBUG: Setting up triggers for table (RETURNING): {table_name_str}");
             trigger::setup_triggers_for_table(tx, &table_name_str, false)?;
         }
 
@@ -186,7 +186,7 @@ impl SqlExecutor {
     ) -> Result<HashSet<String>, DatabaseError> {
         let sql_params: Vec<SqliteValue> = params
             .iter()
-            .map(|v| crate::database::core::ValueConverter::json_to_rusqlite_value(v))
+            .map(crate::database::core::ValueConverter::json_to_rusqlite_value)
             .collect::<Result<Vec<_>, _>>()?;
         let param_refs: Vec<&dyn ToSql> = sql_params.iter().map(|p| p as &dyn ToSql).collect();
         Self::execute_internal_typed(tx, hlc_service, sql, &param_refs)
@@ -201,7 +201,7 @@ impl SqlExecutor {
     ) -> Result<(HashSet<String>, Vec<Vec<JsonValue>>), DatabaseError> {
         let sql_params: Vec<SqliteValue> = params
             .iter()
-            .map(|v| crate::database::core::ValueConverter::json_to_rusqlite_value(v))
+            .map(crate::database::core::ValueConverter::json_to_rusqlite_value)
             .collect::<Result<Vec<_>, _>>()?;
         let param_refs: Vec<&dyn ToSql> = sql_params.iter().map(|p| p as &dyn ToSql).collect();
         Self::query_internal_typed(tx, hlc_service, sql, &param_refs)
@@ -252,12 +252,12 @@ impl SqlExecutor {
         let stmt_to_execute = ast_vec.pop().unwrap();
         let transformed_sql = stmt_to_execute.to_string();
 
-        eprintln!("DEBUG: SELECT (no transformation): {}", transformed_sql);
+        eprintln!("DEBUG: SELECT (no transformation): {transformed_sql}");
 
         // Convert JSON params to SQLite values
         let sql_params: Vec<SqliteValue> = params
             .iter()
-            .map(|v| crate::database::core::ValueConverter::json_to_rusqlite_value(v))
+            .map(crate::database::core::ValueConverter::json_to_rusqlite_value)
             .collect::<Result<Vec<_>, _>>()?;
 
         let mut prepared_stmt = conn.prepare(&transformed_sql)?;
diff --git a/src-tauri/src/extension/database/mod.rs b/src-tauri/src/extension/database/mod.rs
index bfd7efb..0032c8a 100644
--- a/src-tauri/src/extension/database/mod.rs
+++ b/src-tauri/src/extension/database/mod.rs
@@ -13,10 +13,8 @@ use crate::AppState;
 use rusqlite::params_from_iter;
 use rusqlite::types::Value as SqlValue;
 use rusqlite::Transaction;
-use serde_json::json;
 use serde_json::Value as JsonValue;
 use sqlparser::ast::{Statement, TableFactor, TableObject};
-use std::collections::HashSet;
 use tauri::State;
 
 /// Führt Statements mit korrekter Parameter-Bindung aus
@@ -185,7 +183,7 @@ pub async fn extension_sql_execute(
         if let Statement::CreateTable(ref create_table_details) = statement {
             // Extract table name and remove quotes (both " and `)
             let raw_name = create_table_details.name.to_string();
-            println!("DEBUG: Raw table name from AST: {:?}", raw_name);
+            println!("DEBUG: Raw table name from AST: {raw_name:?}");
             println!("DEBUG: Raw table name chars: {:?}", raw_name.chars().collect::<Vec<_>>());
 
             let table_name_str = raw_name
@@ -193,17 +191,15 @@ pub async fn extension_sql_execute(
                 .trim_matches('`')
                 .to_string();
 
-            println!("DEBUG: Cleaned table name: {:?}", table_name_str);
+            println!("DEBUG: Cleaned table name: {table_name_str:?}");
             println!("DEBUG: Cleaned table name chars: {:?}", table_name_str.chars().collect::<Vec<_>>());
 
             println!(
-                "Table '{}' created by extension, setting up CRDT triggers...",
-                table_name_str
+                "Table '{table_name_str}' created by extension, setting up CRDT triggers..."
             );
             trigger::setup_triggers_for_table(&tx, &table_name_str, false)?;
             println!(
-                "Triggers for table '{}' successfully created.",
-                table_name_str
+                "Triggers for table '{table_name_str}' successfully created."
             );
         }
 
diff --git a/src-tauri/src/extension/error.rs b/src-tauri/src/extension/error.rs
index d54088e..7516049 100644
--- a/src-tauri/src/extension/error.rs
+++ b/src-tauri/src/extension/error.rs
@@ -174,7 +174,7 @@ impl serde::Serialize for ExtensionError {
         let mut state = serializer.serialize_struct("ExtensionError", 4)?;
 
         state.serialize_field("code", &self.code())?;
-        state.serialize_field("type", &format!("{:?}", self))?;
+        state.serialize_field("type", &format!("{self:?}"))?;
         state.serialize_field("message", &self.to_string())?;
 
         if let Some(ext_id) = self.extension_id() {
diff --git a/src-tauri/src/extension/filesystem/core.rs b/src-tauri/src/extension/filesystem/core.rs
index 90c93e1..5a9c57d 100644
--- a/src-tauri/src/extension/filesystem/core.rs
+++ b/src-tauri/src/extension/filesystem/core.rs
@@ -133,7 +133,7 @@ fn validate_path_pattern(pattern: &str) -> Result<(), ExtensionError> {
     // Check for path traversal attempts
     if pattern.contains("../") || pattern.contains("..\\") {
         return Err(ExtensionError::SecurityViolation {
-            reason: format!("Path traversal detected in pattern: {}", pattern),
+            reason: format!("Path traversal detected in pattern: {pattern}"),
         });
     }
 
@@ -177,7 +177,7 @@ pub fn resolve_path_pattern(
         "$TEMP" => "Temp",
         _ => {
             return Err(ExtensionError::ValidationError {
-                reason: format!("Unknown base directory variable: {}", base_var),
+                reason: format!("Unknown base directory variable: {base_var}"),
             });
         }
     };
diff --git a/src-tauri/src/extension/mod.rs b/src-tauri/src/extension/mod.rs
index 2f607f6..6fec940 100644
--- a/src-tauri/src/extension/mod.rs
+++ b/src-tauri/src/extension/mod.rs
@@ -52,7 +52,7 @@ pub async fn get_all_extensions(
         .extension_manager
         .load_installed_extensions(&app_handle, &state)
         .await
-        .map_err(|e| format!("Failed to load extensions: {:?}", e))?;
+        .map_err(|e| format!("Failed to load extensions: {e:?}"))?;
     /* } */
 
     let mut extensions = Vec::new();
@@ -292,12 +292,12 @@ pub async fn load_dev_extension(
     let (host, port, haextension_dir) = if config_path.exists() {
         let config_content =
             std::fs::read_to_string(&config_path).map_err(|e| ExtensionError::ValidationError {
-                reason: format!("Failed to read haextension.config.json: {}", e),
+                reason: format!("Failed to read haextension.config.json: {e}"),
             })?;
 
         let config: HaextensionConfig =
             serde_json::from_str(&config_content).map_err(|e| ExtensionError::ValidationError {
-                reason: format!("Failed to parse haextension.config.json: {}", e),
+                reason: format!("Failed to parse haextension.config.json: {e}"),
             })?;
 
         (config.dev.host, config.dev.port, config.dev.haextension_dir)
@@ -306,23 +306,22 @@ pub async fn load_dev_extension(
         (default_host(), default_port(), default_haextension_dir())
     };
 
-    let dev_server_url = format!("http://{}:{}", host, port);
-    eprintln!("📡 Dev server URL: {}", dev_server_url);
-    eprintln!("📁 Haextension directory: {}", haextension_dir);
+    let dev_server_url = format!("http://{host}:{port}");
+    eprintln!("📡 Dev server URL: {dev_server_url}");
+    eprintln!("📁 Haextension directory: {haextension_dir}");
 
     // 1.5. Check if dev server is running
     if !check_dev_server_health(&dev_server_url).await {
         return Err(ExtensionError::ValidationError {
             reason: format!(
-                "Dev server at {} is not reachable. Please start your dev server first (e.g., 'npm run dev')",
-                dev_server_url
+                "Dev server at {dev_server_url} is not reachable. Please start your dev server first (e.g., 'npm run dev')"
             ),
         });
     }
     eprintln!("✅ Dev server is reachable");
 
     // 2. Validate and build path to manifest: <extension_path>/<haextension_dir>/manifest.json
-    let manifest_relative_path = format!("{}/manifest.json", haextension_dir);
+    let manifest_relative_path = format!("{haextension_dir}/manifest.json");
     let manifest_path = ExtensionManager::validate_path_in_directory(
         &extension_path_buf,
         &manifest_relative_path,
@@ -330,15 +329,14 @@ pub async fn load_dev_extension(
     )?
     .ok_or_else(|| ExtensionError::ManifestError {
         reason: format!(
-            "Manifest not found at: {}/manifest.json. Make sure you run 'npx @haexhub/sdk init' first.",
-            haextension_dir
+            "Manifest not found at: {haextension_dir}/manifest.json. Make sure you run 'npx @haexhub/sdk init' first."
         ),
     })?;
 
     // 3. Read and parse manifest
     let manifest_content =
         std::fs::read_to_string(&manifest_path).map_err(|e| ExtensionError::ManifestError {
-            reason: format!("Failed to read manifest: {}", e),
+            reason: format!("Failed to read manifest: {e}"),
         })?;
 
     let manifest: ExtensionManifest = serde_json::from_str(&manifest_content)?;
@@ -406,7 +404,7 @@ pub fn remove_dev_extension(
 
     if let Some(id) = to_remove {
         dev_exts.remove(&id);
-        eprintln!("✅ Dev extension removed: {}", name);
+        eprintln!("✅ Dev extension removed: {name}");
         Ok(())
     } else {
         Err(ExtensionError::NotFound { public_key, name })
diff --git a/src-tauri/src/extension/permissions/manager.rs b/src-tauri/src/extension/permissions/manager.rs
index 66a9918..d0462c9 100644
--- a/src-tauri/src/extension/permissions/manager.rs
+++ b/src-tauri/src/extension/permissions/manager.rs
@@ -28,8 +28,7 @@ impl PermissionManager {
                 })?;
 
             let sql = format!(
-                "INSERT INTO {} (id, extension_id, resource_type, action, target, constraints, status) VALUES (?, ?, ?, ?, ?, ?, ?)",
-                TABLE_EXTENSION_PERMISSIONS
+                "INSERT INTO {TABLE_EXTENSION_PERMISSIONS} (id, extension_id, resource_type, action, target, constraints, status) VALUES (?, ?, ?, ?, ?, ?, ?)"
             );
 
             for perm in permissions {
@@ -76,8 +75,7 @@ impl PermissionManager {
             let db_perm: HaexExtensionPermissions = permission.into();
             
             let sql = format!(
-                "UPDATE {} SET resource_type = ?, action = ?, target = ?, constraints = ?, status = ? WHERE id = ?",
-                TABLE_EXTENSION_PERMISSIONS
+                "UPDATE {TABLE_EXTENSION_PERMISSIONS} SET resource_type = ?, action = ?, target = ?, constraints = ?, status = ? WHERE id = ?"
             );
 
             let params = params![
@@ -111,7 +109,7 @@ impl PermissionManager {
                     reason: "Failed to lock HLC service".to_string(),
                 })?;
 
-            let sql = format!("UPDATE {} SET status = ? WHERE id = ?", TABLE_EXTENSION_PERMISSIONS);
+            let sql = format!("UPDATE {TABLE_EXTENSION_PERMISSIONS} SET status = ? WHERE id = ?");
             let params = params![new_status.as_str(), permission_id];
             SqlExecutor::execute_internal_typed(&tx, &hlc_service, &sql, params)?;
             tx.commit().map_err(DatabaseError::from)
@@ -133,7 +131,7 @@ impl PermissionManager {
                 })?;
             
             // Echtes DELETE - wird vom CrdtTransformer zu UPDATE umgewandelt
-            let sql = format!("DELETE FROM {} WHERE id = ?", TABLE_EXTENSION_PERMISSIONS);
+            let sql = format!("DELETE FROM {TABLE_EXTENSION_PERMISSIONS} WHERE id = ?");
             SqlExecutor::execute_internal_typed(&tx, &hlc_service, &sql, params![permission_id])?;
             tx.commit().map_err(DatabaseError::from)
         }).map_err(ExtensionError::from)
@@ -152,7 +150,7 @@ impl PermissionManager {
                     reason: "Failed to lock HLC service".to_string(),
                 })?;
 
-             let sql = format!("DELETE FROM {} WHERE extension_id = ?", TABLE_EXTENSION_PERMISSIONS);
+             let sql = format!("DELETE FROM {TABLE_EXTENSION_PERMISSIONS} WHERE extension_id = ?");
             SqlExecutor::execute_internal_typed(&tx, &hlc_service, &sql, params![extension_id])?;
             tx.commit().map_err(DatabaseError::from)
         }).map_err(ExtensionError::from)
@@ -164,7 +162,7 @@ impl PermissionManager {
         hlc_service: &crate::crdt::hlc::HlcService,
         extension_id: &str,
     ) -> Result<(), DatabaseError> {
-        let sql = format!("DELETE FROM {} WHERE extension_id = ?", TABLE_EXTENSION_PERMISSIONS);
+        let sql = format!("DELETE FROM {TABLE_EXTENSION_PERMISSIONS} WHERE extension_id = ?");
         SqlExecutor::execute_internal_typed(tx, hlc_service, &sql, params![extension_id])?;
         Ok(())
     }
@@ -174,7 +172,7 @@ impl PermissionManager {
         extension_id: &str,
     ) -> Result<Vec<ExtensionPermission>, ExtensionError> {
         with_connection(&app_state.db, |conn| {
-             let sql = format!("SELECT * FROM {} WHERE extension_id = ?", TABLE_EXTENSION_PERMISSIONS);
+             let sql = format!("SELECT * FROM {TABLE_EXTENSION_PERMISSIONS} WHERE extension_id = ?");
             let mut stmt = conn.prepare(&sql).map_err(DatabaseError::from)?;
             
             let perms_iter = stmt.query_map(params![extension_id], |row| {
@@ -209,7 +207,7 @@ impl PermissionManager {
             .extension_manager
             .get_extension(extension_id)
             .ok_or_else(|| ExtensionError::ValidationError {
-                reason: format!("Extension with ID {} not found", extension_id),
+                reason: format!("Extension with ID {extension_id} not found"),
             })?;
 
         // Build expected table prefix: {publicKey}__{extensionName}__
@@ -238,8 +236,8 @@ impl PermissionManager {
         if !has_permission {
             return Err(ExtensionError::permission_denied(
                 extension_id,
-                &format!("{:?}", action),
-                &format!("database table '{}'", table_name),
+                &format!("{action:?}"),
+                &format!("database table '{table_name}'"),
             ));
         }
 
@@ -415,7 +413,7 @@ impl PermissionManager {
             "db" => Ok(ResourceType::Db),
             "shell" => Ok(ResourceType::Shell),
             _ => Err(DatabaseError::SerializationError {
-                reason: format!("Unknown resource type: {}", s),
+                reason: format!("Unknown resource type: {s}"),
             }),
         }
     }
@@ -423,8 +421,7 @@ impl PermissionManager {
     
     
     fn matches_path_pattern(pattern: &str, path: &str) -> bool {
-        if pattern.ends_with("/*") {
-            let prefix = &pattern[..pattern.len() - 2];
+        if let Some(prefix) = pattern.strip_suffix("/*") {
             return path.starts_with(prefix);
         }
 
diff --git a/src-tauri/src/extension/permissions/types.rs b/src-tauri/src/extension/permissions/types.rs
index c68d040..27a1bbc 100644
--- a/src-tauri/src/extension/permissions/types.rs
+++ b/src-tauri/src/extension/permissions/types.rs
@@ -267,7 +267,7 @@ impl ResourceType {
             "db" => Ok(ResourceType::Db),
             "shell" => Ok(ResourceType::Shell),
             _ => Err(ExtensionError::ValidationError {
-                reason: format!("Unknown resource type: {}", s),
+                reason: format!("Unknown resource type: {s}"),
             }),
         }
     }
@@ -301,7 +301,7 @@ impl Action {
             ResourceType::Fs => Ok(Action::Filesystem(FsAction::from_str(s)?)),
             ResourceType::Http => {
                 let action: HttpAction =
-                    serde_json::from_str(&format!("\"{}\"", s)).map_err(|_| {
+                    serde_json::from_str(&format!("\"{s}\"")).map_err(|_| {
                         ExtensionError::InvalidActionString {
                             input: s.to_string(),
                             resource_type: "http".to_string(),
@@ -329,7 +329,7 @@ impl PermissionStatus {
             "granted" => Ok(PermissionStatus::Granted),
             "denied" => Ok(PermissionStatus::Denied),
             _ => Err(ExtensionError::ValidationError {
-                reason: format!("Unknown permission status: {}", s),
+                reason: format!("Unknown permission status: {s}"),
             }),
         }
     }
diff --git a/src-tauri/src/extension/permissions/validator.rs b/src-tauri/src/extension/permissions/validator.rs
index 009137c..b7e7572 100644
--- a/src-tauri/src/extension/permissions/validator.rs
+++ b/src-tauri/src/extension/permissions/validator.rs
@@ -17,7 +17,7 @@ impl SqlPermissionValidator {
     fn is_own_table(extension_id: &str, table_name: &str) -> bool {
         // Tabellennamen sind im Format: {keyHash}_{extensionName}_{tableName}
         // extension_id ist der keyHash der Extension
-        table_name.starts_with(&format!("{}_", extension_id))
+        table_name.starts_with(&format!("{extension_id}_"))
     }
 
     /// Validiert ein SQL-Statement gegen die Permissions einer Extension
@@ -45,7 +45,7 @@ impl SqlPermissionValidator {
                 Self::validate_schema_statement(app_state, extension_id, &statement).await
             }
             _ => Err(ExtensionError::ValidationError {
-                reason: format!("Statement type not allowed: {}", sql),
+                reason: format!("Statement type not allowed: {sql}"),
             }),
         }
     }
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 4bf202a..86f9b36 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -26,7 +26,7 @@ pub fn run() {
             let state = app_handle.state::<AppState>();
 
             // Rufe den Handler mit allen benötigten Parametern auf
-            match extension::core::extension_protocol_handler(state, &app_handle, &request) {
+            match extension::core::extension_protocol_handler(state, app_handle, &request) {
                 Ok(response) => response,
                 Err(e) => {
                     eprintln!(
@@ -38,11 +38,10 @@ pub fn run() {
                         .status(500)
                         .header("Content-Type", "text/plain")
                         .body(Vec::from(format!(
-                            "Interner Serverfehler im Protokollhandler: {}",
-                            e
+                            "Interner Serverfehler im Protokollhandler: {e}"
                         )))
                         .unwrap_or_else(|build_err| {
-                            eprintln!("Konnte Fehler-Response nicht erstellen: {}", build_err);
+                            eprintln!("Konnte Fehler-Response nicht erstellen: {build_err}");
                             tauri::http::Response::builder()
                                 .status(500)
                                 .body(Vec::new())