chore(/api/uploads): maked as deprecated, use now /api/files/delta/

src/interfaces/api/handlers/chunked_upload_handler.rs

@@ -491,7 +491,12 @@ impl ChunkedUploadHandler {
             }
             Err(e) => {
                 tracing::error!("Failed to create file from chunked upload: {:?}", e);
-                AppError::internal_error(format!("Failed to create file: {}", e)).into_response()
+                // AuthZ audit #2 (2026-07-12) — route DomainError through
+                // `AppError::from` so graduated denial from
+                // `upload_file_streaming_with_perms` keeps the 403/404
+                // shape instead of collapsing into a 500. Sibling
+                // `cancel_upload_impl` at :514 already uses this pattern.
+                AppError::from(e).into_response()
             }
         }
     }
@@ -532,9 +537,15 @@ impl ChunkedUploadHandler {
 // routes.rs calls these free functions directly.
 // TODO: collapse back into the impl block after a utoipa upgrade resolves the issue.
 
+/// **Deprecated.** Prefer `/api/files/delta/*` — hash-first negotiation,
+/// resumable, chunked. The `/api/uploads/*` family stays for backward
+/// compatibility with existing clients but receives no new features.
 #[utoipa::path(
     post,
     path = "/api/uploads",
+    description = "**Deprecated.** Prefer the delta-upload surface at `/api/files/delta/*` \
+(hash-first negotiation, resumable, chunked). The `/api/uploads/*` family is kept for \
+backward compatibility with existing clients but is no longer receiving new features.",
     request_body(content = CreateUploadRequest, content_type = "application/json", description = "Upload session parameters"),
     responses(
         (status = 201, description = "Upload session created", body = crate::application::ports::chunked_upload_ports::CreateUploadResponseDto),
@@ -544,6 +555,7 @@ impl ChunkedUploadHandler {
     tag = "uploads",
     security(("bearerAuth" = []))
 )]
+#[deprecated(note = "prefer /api/files/delta/*")]
 pub async fn create_upload(
     state: State<Arc<AppState>>,
     auth_user: AuthUser,
@@ -552,9 +564,11 @@ pub async fn create_upload(
     ChunkedUploadHandler::create_upload_impl(state, auth_user, request).await
 }
 
+/// **Deprecated.** Prefer `/api/files/delta/*` — see `create_upload`.
 #[utoipa::path(
     patch,
     path = "/api/uploads/{upload_id}",
+    description = "**Deprecated.** See `POST /api/uploads` for the migration note.",
     params(
         ("upload_id" = String, Path, description = "Upload session ID"),
         ("chunk_index" = usize, Query, description = "Zero-based chunk index"),
@@ -583,6 +597,7 @@ pub async fn create_upload(
     tag = "uploads",
     security(("bearerAuth" = []))
 )]
+#[deprecated(note = "prefer /api/files/delta/*")]
 pub async fn upload_chunk(
     State(state): State<Arc<AppState>>,
     auth_user: AuthUser,
@@ -696,9 +711,11 @@ pub async fn upload_chunk(
     .into_response()
 }
 
+/// **Deprecated.** Prefer `/api/files/delta/*` — see `create_upload`.
 #[utoipa::path(
     head,
     path = "/api/uploads/{upload_id}",
+    description = "**Deprecated.** See `POST /api/uploads` for the migration note.",
     params(
         ("upload_id" = String, Path, description = "Upload session ID"),
     ),
@@ -709,6 +726,7 @@ pub async fn upload_chunk(
     tag = "uploads",
     security(("bearerAuth" = []))
 )]
+#[deprecated(note = "prefer /api/files/delta/*")]
 pub async fn get_upload_status(
     state: State<Arc<AppState>>,
     auth_user: AuthUser,
@@ -717,9 +735,11 @@ pub async fn get_upload_status(
     ChunkedUploadHandler::get_upload_status_impl(state, auth_user, path).await
 }
 
+/// **Deprecated.** Prefer `/api/files/delta/*` — see `create_upload`.
 #[utoipa::path(
     post,
     path = "/api/uploads/{upload_id}/complete",
+    description = "**Deprecated.** See `POST /api/uploads` for the migration note.",
     params(
         ("upload_id" = String, Path, description = "Upload session ID"),
     ),
@@ -744,6 +764,7 @@ pub async fn get_upload_status(
     tag = "uploads",
     security(("bearerAuth" = []))
 )]
+#[deprecated(note = "prefer /api/files/delta/*")]
 pub async fn complete_upload(
     state: State<Arc<AppState>>,
     auth_user: AuthUser,
@@ -757,9 +778,11 @@ pub async fn complete_upload(
     ChunkedUploadHandler::complete_upload_impl(state, auth_user, path, req).await
 }
 
+/// **Deprecated.** Prefer `/api/files/delta/*` — see `create_upload`.
 #[utoipa::path(
     delete,
     path = "/api/uploads/{upload_id}",
+    description = "**Deprecated.** See `POST /api/uploads` for the migration note.",
     params(
         ("upload_id" = String, Path, description = "Upload session ID"),
     ),
@@ -770,6 +793,7 @@ pub async fn complete_upload(
     tag = "uploads",
     security(("bearerAuth" = []))
 )]
+#[deprecated(note = "prefer /api/files/delta/*")]
 pub async fn cancel_upload(
     state: State<Arc<AppState>>,
     auth_user: AuthUser,