Refactor and clean up code across multiple modules

- Simplified token type assignment in OAuth service.
- Removed unused session_lock module and re-exported Session from zesdex_entities.
- Cleaned up session entity by removing unnecessary comments and code.
- Consolidated session handling in HTTP handlers for better readability.
- Improved formatting and readability in OAuth repository tests.
- Enhanced session lock repository with clearer match statements.
- Streamlined session repository error handling.
- Refined RNG tests for better clarity.
- Adjusted module visibility and organization in lib.rs.
- Updated IPC client and connection code for better error handling and clarity.
- Improved frame handling in IPC for better readability.
- Organized module imports and added test utilities for IPC.
- Enhanced database connection error handling.
- Simplified JWT token creation error handling.
- Improved password verification error handling.
- Cleaned up state management code for better readability.
- Refactored middleware for session authentication and rate limiting.
- Simplified clipboard utility for better error handling.
- Enhanced logging initialization for better error reporting.
- Improved pagination utility with clearer method annotations.
- Cleaned up sanitization functions for filenames and paths.
- Enhanced slug generation functions for better clarity and usability.

crates/zesdex-backend/src/app/mode/learning.rs

@@ -54,9 +54,15 @@ pub fn get_learning_items(state: &AppStateRest) -> Vec<LearningItem> {
     }
 
     // 2. Load stored memory lessons from long-term memory directory
-    let names = zesdex_cms::infrastructure::persistence::memory_repo::MarkdownMemoryRepository::new().list(&state.memory_dir).unwrap_or_default();
+    let names =
+        zesdex_cms::infrastructure::persistence::memory_repo::MarkdownMemoryRepository::new()
+            .list(&state.memory_dir)
+            .unwrap_or_default();
     for name in names {
-        if let Ok(mem) = zesdex_cms::infrastructure::persistence::memory_repo::MarkdownMemoryRepository::new().load(&state.memory_dir, &name) {
+        if let Ok(mem) =
+            zesdex_cms::infrastructure::persistence::memory_repo::MarkdownMemoryRepository::new()
+                .load(&state.memory_dir, &name)
+        {
             if mem.kind == "lesson" {
                 items.push(LearningItem::Stored {
                     name: mem.name,

crates/zesdex-backend/src/app/mode/rewind.rs

@@ -101,7 +101,8 @@ pub fn rewind_to(state: &mut AppStateRest, index: usize) {
     }
 
     // Log the rewind itself as an edit entry
-    let repo = zesdex_cms::infrastructure::persistence::edit_log_repo::JsonlEditLogRepository::new();
+    let repo =
+        zesdex_cms::infrastructure::persistence::edit_log_repo::JsonlEditLogRepository::new();
     if let Ok(mut el) = repo.open(&state.session_dir) {
         let entry = zesdex_cms::domain::edit_log::EditLogEntry {
             ts: chrono::Utc::now().timestamp_millis(),