Refactor handlers and OpenAPI documentation for improved readability and consistency

- Reorganized imports in health, notifications, social, thoughts, and users handlers for clarity.
- Updated function signatures in handlers to improve readability by aligning parameters.
- Enhanced JSON response formatting in notifications and thoughts handlers.
- Improved error handling in user-related functions.
- Refactored OpenAPI documentation to maintain consistent formatting and structure.
- Cleaned up unnecessary code and comments across various files.
- Ensured consistent use of `Arc` for shared state in AppState and WorkerHandlers.

crates/domain/src/events.rs

@@ -1,30 +1,76 @@
-use crate::value_objects::{UserId, ThoughtId, LikeId, BoostId};
+use crate::value_objects::{BoostId, LikeId, ThoughtId, UserId};
 
 #[derive(Debug, Clone)]
 pub enum DomainEvent {
-    ThoughtCreated { thought_id: ThoughtId, user_id: UserId, in_reply_to_id: Option<ThoughtId> },
-    ThoughtDeleted { thought_id: ThoughtId, user_id: UserId },
-    ThoughtUpdated { thought_id: ThoughtId, user_id: UserId },
-    LikeAdded    { like_id: LikeId, user_id: UserId, thought_id: ThoughtId },
-    LikeRemoved  { user_id: UserId, thought_id: ThoughtId },
-    BoostAdded   { boost_id: BoostId, user_id: UserId, thought_id: ThoughtId },
-    BoostRemoved { user_id: UserId, thought_id: ThoughtId },
-    FollowRequested { follower_id: UserId, following_id: UserId },
-    FollowAccepted  { follower_id: UserId, following_id: UserId },
-    FollowRejected  { follower_id: UserId, following_id: UserId },
-    Unfollowed   { follower_id: UserId, following_id: UserId },
-    UserBlocked  { blocker_id: UserId, blocked_id: UserId },
-    UserUnblocked { blocker_id: UserId, blocked_id: UserId },
-    UserRegistered { user_id: UserId },
+    ThoughtCreated {
+        thought_id: ThoughtId,
+        user_id: UserId,
+        in_reply_to_id: Option<ThoughtId>,
+    },
+    ThoughtDeleted {
+        thought_id: ThoughtId,
+        user_id: UserId,
+    },
+    ThoughtUpdated {
+        thought_id: ThoughtId,
+        user_id: UserId,
+    },
+    LikeAdded {
+        like_id: LikeId,
+        user_id: UserId,
+        thought_id: ThoughtId,
+    },
+    LikeRemoved {
+        user_id: UserId,
+        thought_id: ThoughtId,
+    },
+    BoostAdded {
+        boost_id: BoostId,
+        user_id: UserId,
+        thought_id: ThoughtId,
+    },
+    BoostRemoved {
+        user_id: UserId,
+        thought_id: ThoughtId,
+    },
+    FollowRequested {
+        follower_id: UserId,
+        following_id: UserId,
+    },
+    FollowAccepted {
+        follower_id: UserId,
+        following_id: UserId,
+    },
+    FollowRejected {
+        follower_id: UserId,
+        following_id: UserId,
+    },
+    Unfollowed {
+        follower_id: UserId,
+        following_id: UserId,
+    },
+    UserBlocked {
+        blocker_id: UserId,
+        blocked_id: UserId,
+    },
+    UserUnblocked {
+        blocker_id: UserId,
+        blocked_id: UserId,
+    },
+    UserRegistered {
+        user_id: UserId,
+    },
 }
 
 pub struct EventEnvelope {
     pub event: DomainEvent,
-    pub ack:  Box<dyn Fn() + Send + Sync>,
+    pub ack: Box<dyn Fn() + Send + Sync>,
     pub nack: Box<dyn Fn() + Send + Sync>,
 }
 impl std::fmt::Debug for EventEnvelope {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.debug_struct("EventEnvelope").field("event", &self.event).finish()
+        f.debug_struct("EventEnvelope")
+            .field("event", &self.event)
+            .finish()
     }
 }