feat(drive): cleanup of useless owner_id

src/infrastructure/repositories/pg/file_blob_read_repository.rs

@@ -397,8 +397,6 @@ impl FileBlobReadRepository {
         }
     }
 
-    /// Post-D7-step-6: `storage.files.user_id` dropped; the entity's
-    /// legacy `user_id` field is populated with `None` here.
     #[allow(clippy::too_many_arguments)]
     fn row_to_file(
         id: String,
@@ -423,7 +421,6 @@ impl FileBlobReadRepository {
             folder_id,
             created_at as u64,
             modified_at as u64,
-            None, // Post-D7: `files.user_id` column dropped.
             blob_hash,
             created_by,
             updated_by,

src/infrastructure/repositories/pg/file_blob_write_repository.rs

@@ -104,7 +104,6 @@ impl FileBlobWriteRepository {
         mime_type: String,
         created_at: i64,
         modified_at: i64,
-        owner_id: Option<Uuid>,
         blob_hash: String,
         created_by: Option<Uuid>,
         updated_by: Option<Uuid>,
@@ -119,7 +118,6 @@ impl FileBlobWriteRepository {
             folder_id,
             created_at as u64,
             modified_at as u64,
-            owner_id,
             blob_hash,
             created_by,
             updated_by,
@@ -399,7 +397,6 @@ impl FileBlobWriteRepository {
             content_type,
             created_at,
             updated_at,
-            None, // Post-D7: `files.user_id` no longer written on new rows.
             blob_hash.to_string(),
             created_by,
             updated_by,
@@ -477,7 +474,6 @@ impl FileBlobWriteRepository {
             mime_type,
             created_at,
             updated_at,
-            None,
             blob_hash.to_string(),
             created_by,
             updated_by,
@@ -562,7 +558,6 @@ impl FileWritePort for FileBlobWriteRepository {
             row.4,
             row.5,
             row.6,
-            None,
             String::new(),
             row.7,
             row.8,
@@ -710,7 +705,6 @@ impl FileWritePort for FileBlobWriteRepository {
             row.4,
             row.5,
             row.6,
-            None,
             row.7,
             row.8,
             row.9,
@@ -773,7 +767,6 @@ impl FileWritePort for FileBlobWriteRepository {
             row.4,
             row.5,
             row.6,
-            None,
             String::new(),
             row.7,
             row.8,
@@ -874,7 +867,6 @@ impl FileWritePort for FileBlobWriteRepository {
             content_type,
             row.1,
             row.2,
-            None, // Post-D7: `files.user_id` no longer written on new rows.
             String::new(),
             row.3,
             row.4,

src/infrastructure/repositories/pg/folder_db_repository.rs

@@ -129,11 +129,6 @@ impl FolderDbRepository {
     /// extra queries needed. `created_by` / `updated_by` carry the
     /// §14 provenance signal through the entity layer; both are
     /// `Option<Uuid>` because the FK is `ON DELETE SET NULL`.
-    ///
-    /// Post-D7-step-6: the `storage.folders.user_id` column is gone;
-    /// the entity's legacy `user_id` field is populated with `None`
-    /// at construction time (removed in the follow-up entity
-    /// cleanup PR).
     #[allow(clippy::too_many_arguments)]
     fn row_to_folder(
         id: String,
@@ -153,7 +148,6 @@ impl FolderDbRepository {
             name,
             storage_path,
             parent_id,
-            None, // Post-D7: `folders.user_id` column dropped.
             drive_id,
             created_at as u64,
             modified_at as u64,