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-ipc/src/client.rs

@@ -4,13 +4,6 @@
 //! [`IpcClient`] wraps a [`Connection`] behind a [`Mutex`] so it can be
 //! shared across threads (e.g. the TUI event loop and the render task).
 
-#![allow(
-    clippy::cast_possible_truncation,
-    clippy::cast_sign_loss,
-    clippy::cast_precision_loss,
-    clippy::cast_possible_wrap
-)]
-
 use crate::conn::Connection;
 use anyhow::{Context, Result};
 use serde::de::DeserializeOwned;
@@ -43,6 +36,11 @@ impl IpcClient {
 
     /// Serialise `msg` to JSON and send it as a length-prefixed frame.
     ///
+    /// # Panics
+    ///
+    /// Panics if the internal mutex is poisoned (a previous operation
+    /// panicked while holding the lock).
+    ///
     /// # Errors
     ///
     /// Delegates to the underlying [`Connection::send`].
@@ -58,6 +56,11 @@ impl IpcClient {
     ///
     /// Returns `Ok(None)` on clean EOF (daemon closed the connection).
     ///
+    /// # Panics
+    ///
+    /// Panics if the internal mutex is poisoned (a previous operation
+    /// panicked while holding the lock).
+    ///
     /// # Errors
     ///
     /// Delegates to the underlying [`Connection::receive`].
@@ -73,17 +76,13 @@ impl IpcClient {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use serde::{Deserialize, Serialize};
     use std::os::unix::net::UnixListener;
-
-    #[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
-    struct Ping {
-        seq: u32,
-    }
+    use crate::test_utils::Ping;
 
     #[test]
     fn connect_and_round_trip() {
-        let dir = std::env::temp_dir().join(format!("zesdex-ipc-test-{}", std::process::id()));
+        let id = crate::test_utils::TEST_ID.fetch_add(1, std::sync::atomic::Ordering::SeqCst);
+        let dir = std::env::temp_dir().join(format!("zesdex-ipc-test-{}-{}", std::process::id(), id));
         let _ = std::fs::remove_dir_all(&dir);
         std::fs::create_dir_all(&dir).unwrap();
         let sock_path = dir.join("test.sock");