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-cms/src/infrastructure/persistence/conversation_repo.rs

@@ -57,8 +57,13 @@ impl ConversationRepository for JsonConversationRepository {
             f.write_all(json.as_bytes())?;
             f.sync_all()?;
         }
-        std::fs::rename(&tmp, &path)
-            .with_context(|| format!("failed to rename '{}' -> '{}'", tmp.display(), path.display()))?;
+        std::fs::rename(&tmp, &path).with_context(|| {
+            format!(
+                "failed to rename '{}' -> '{}'",
+                tmp.display(),
+                path.display()
+            )
+        })?;
         if let Some(parent) = path.parent() {
             if let Ok(d) = std::fs::File::open(parent) {
                 let _ = d.sync_all();