fix: resolve clippy warnings and rustfmt issues for CI compliance

Fix all clippy lints (collapsible if, clone on Copy, needless borrow,
redundant bindings, unused params) and apply rustfmt across the codebase.
Update test mocks to match Uuid-based trait signatures.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/infrastructure/repositories/pg/app_password_pg_repository.rs

@@ -32,8 +32,8 @@ impl AppPasswordStoragePort for AppPasswordPgRepository {
             VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
             "#,
         )
-        .bind(&ap.id)
-        .bind(&ap.user_id)
+        .bind(ap.id)
+        .bind(ap.user_id)
         .bind(&ap.label)
         .bind(&ap.password_hash)
         .bind(&ap.prefix)

src/infrastructure/repositories/pg/folder_db_repository.rs

@@ -21,16 +21,7 @@ use crate::domain::services::path_service::StoragePath;
 type FolderRow = (String, String, String, Option<String>, Uuid, i64, i64);
 
 /// Type alias for paginated folder rows (includes total_count).
-type FolderRowPaginated = (
-    String,
-    String,
-    String,
-    Option<String>,
-    Uuid,
-    i64,
-    i64,
-    i64,
-);
+type FolderRowPaginated = (String, String, String, Option<String>, Uuid, i64, i64, i64);
 
 /// Type alias for folder rows with optional user_id.
 type FolderRowOptUser = (
@@ -108,14 +99,14 @@ impl FolderRepository for FolderDbRepository {
         // caller to have set up the home folder beforehand (done during user
         // registration).
         let user_id: Uuid = if let Some(ref pid) = parent_id {
-            sqlx::query_scalar::<_, Uuid>(
-                "SELECT user_id FROM storage.folders WHERE id = $1::uuid",
-            )
-            .bind(pid)
-            .fetch_optional(self.pool())
-            .await
-            .map_err(|e| DomainError::internal_error("FolderDb", format!("parent lookup: {e}")))?
-            .ok_or_else(|| DomainError::not_found("Folder", pid))?
+            sqlx::query_scalar::<_, Uuid>("SELECT user_id FROM storage.folders WHERE id = $1::uuid")
+                .bind(pid)
+                .fetch_optional(self.pool())
+                .await
+                .map_err(|e| {
+                    DomainError::internal_error("FolderDb", format!("parent lookup: {e}"))
+                })?
+                .ok_or_else(|| DomainError::not_found("Folder", pid))?
         } else {
             return Err(DomainError::internal_error(
                 "FolderDb",
@@ -647,15 +638,9 @@ impl FolderRepository for FolderDbRepository {
         .map_err(|e| DomainError::internal_error("FolderDb", format!("home folder: {e}")))?;
 
         match row {
-            Some((id, path, ca, ma)) => Self::row_to_folder(
-                id,
-                name.clone(),
-                path,
-                None,
-                Some(user_id),
-                ca,
-                ma,
-            ),
+            Some((id, path, ca, ma)) => {
+                Self::row_to_folder(id, name.clone(), path, None, Some(user_id), ca, ma)
+            }
             None => {
                 // Already exists — fetch it
                 let existing = sqlx::query_as::<_, (String, String, i64, i64)>(

src/infrastructure/repositories/pg/share_pg_repository.rs

@@ -195,16 +195,15 @@ impl ShareStoragePort for SharePgRepository {
     }
 
     async fn delete_share_for_user(&self, id: Uuid, user_id: Uuid) -> Result<(), DomainError> {
-        let result =
-            sqlx::query("DELETE FROM storage.shares WHERE id = $1 AND created_by = $2")
-                .bind(id)
-                .bind(user_id)
-                .execute(&*self.db_pool)
-                .await
-                .map_err(|e| {
-                    tracing::error!("Database error deleting share for user: {}", e);
-                    DomainError::internal_error("Share", format!("Failed to delete share: {e}"))
-                })?;
+        let result = sqlx::query("DELETE FROM storage.shares WHERE id = $1 AND created_by = $2")
+            .bind(id)
+            .bind(user_id)
+            .execute(&*self.db_pool)
+            .await
+            .map_err(|e| {
+                tracing::error!("Database error deleting share for user: {}", e);
+                DomainError::internal_error("Share", format!("Failed to delete share: {e}"))
+            })?;
 
         if result.rows_affected() == 0 {
             // SECURITY: could be non-existent or owned by another user — same 404

src/infrastructure/repositories/pg/trash_db_repository.rs

@@ -64,9 +64,9 @@ impl TrashDbRepository {
         // In the soft-delete model, the trash entry ID is the same as the
         // original item ID since there is no separate trash table.
         TrashedItem::from_raw(
-            id,       // trash entry id (same as original)
-            id,       // original item id
-            user_id,  // owner
+            id,      // trash entry id (same as original)
+            id,      // original item id
+            user_id, // owner
             item_type_enum,
             name.clone(),
             String::new(), // original_path — not stored separately in soft-delete model