Refactor database error handling across repositories to use IntoDbResult for improved error management

- Updated PgNotificationRepository to utilize IntoDbResult for error handling in various methods.
- Refactored PgRemoteActorRepository to replace manual error mapping with IntoDbResult.
- Modified PgRemoteActorConnectionRepository to implement IntoDbResult for error handling.
- Adjusted PgTagRepository to use IntoDbResult for consistent error management.
- Introduced test_helpers module for seeding users and thoughts in tests.
- Enhanced PgThoughtRepository to leverage IntoDbResult for error handling.
- Updated PgTopFriendRepository to utilize IntoDbResult for error management.
- Refactored PgUserRepository to implement IntoDbResult for error handling.
- Added constants for pagination defaults in requests.
- Introduced MAX_TOP_FRIENDS constant for top friends validation.
- Refactored JWT expiration time to use a constant.
- Improved rate limiter configuration with constants for better readability.
- Added utility methods for FollowState and Visibility enums for string conversions.
- Introduced maximum length constants for Username, Email, and Content value objects.
- Cleaned up test modules by removing redundant code and utilizing a shared testing state.

crates/adapters/postgres/src/api_key.rs

@@ -1,3 +1,4 @@
+use crate::db_error::IntoDbResult;
 use async_trait::async_trait;
 use chrono::{DateTime, Utc};
 use domain::{
@@ -30,7 +31,7 @@ impl ApiKeyRepository for PgApiKeyRepository {
         .bind(k.created_at)
         .execute(&self.pool)
         .await
-        .map_err(|e| DomainError::Internal(e.to_string()))
+        .into_domain()
         .map(|_| ())
     }
 
@@ -49,7 +50,7 @@ impl ApiKeyRepository for PgApiKeyRepository {
         .bind(hash)
         .fetch_optional(&self.pool)
         .await
-        .map_err(|e| DomainError::Internal(e.to_string()))
+        .into_domain()
         .map(|o| {
             o.map(|r| ApiKey {
                 id: ApiKeyId::from_uuid(r.id),
@@ -72,7 +73,7 @@ impl ApiKeyRepository for PgApiKeyRepository {
         }
         sqlx::query_as::<_, Row>("SELECT id,user_id,key_hash,name,created_at FROM api_keys WHERE user_id=$1 ORDER BY created_at DESC")
             .bind(user_id.as_uuid()).fetch_all(&self.pool).await
-            .map_err(|e| DomainError::Internal(e.to_string()))
+            .into_domain()
             .map(|rows| rows.into_iter().map(|r| ApiKey { id: ApiKeyId::from_uuid(r.id), user_id: UserId::from_uuid(r.user_id), key_hash: r.key_hash, name: r.name, created_at: r.created_at }).collect())
     }
 
@@ -82,7 +83,7 @@ impl ApiKeyRepository for PgApiKeyRepository {
             .bind(user_id.as_uuid())
             .execute(&self.pool)
             .await
-            .map_err(|e| DomainError::Internal(e.to_string()))
+            .into_domain()
             .map(|_| ())
     }
 }