diff --git a/frontend/src/lib/generated/api.ts b/frontend/src/lib/generated/api.ts
index 52be38ff..36541dba 100644
--- a/frontend/src/lib/generated/api.ts
+++ b/frontend/src/lib/generated/api.ts
@@ -100,6 +100,38 @@ export interface paths {
         patch?: never;
         trace?: never;
     };
+    "/api/documents/{documentId}/transcription-blocks/{blockId}": {
+        parameters: {
+            query?: never;
+            header?: never;
+            path?: never;
+            cookie?: never;
+        };
+        get: operations["getBlock"];
+        put: operations["updateBlock"];
+        post?: never;
+        delete: operations["deleteBlock"];
+        options?: never;
+        head?: never;
+        patch?: never;
+        trace?: never;
+    };
+    "/api/documents/{documentId}/transcription-blocks/reorder": {
+        parameters: {
+            query?: never;
+            header?: never;
+            path?: never;
+            cookie?: never;
+        };
+        get?: never;
+        put: operations["reorderBlocks"];
+        post?: never;
+        delete?: never;
+        options?: never;
+        head?: never;
+        patch?: never;
+        trace?: never;
+    };
     "/api/users": {
         parameters: {
             query?: never;
@@ -212,6 +244,54 @@ export interface paths {
         patch?: never;
         trace?: never;
     };
+    "/api/documents/{documentId}/transcription-blocks": {
+        parameters: {
+            query?: never;
+            header?: never;
+            path?: never;
+            cookie?: never;
+        };
+        get: operations["listBlocks"];
+        put?: never;
+        post: operations["createBlock"];
+        delete?: never;
+        options?: never;
+        head?: never;
+        patch?: never;
+        trace?: never;
+    };
+    "/api/documents/{documentId}/transcription-blocks/{blockId}/comments": {
+        parameters: {
+            query?: never;
+            header?: never;
+            path?: never;
+            cookie?: never;
+        };
+        get: operations["getBlockComments"];
+        put?: never;
+        post: operations["postBlockComment"];
+        delete?: never;
+        options?: never;
+        head?: never;
+        patch?: never;
+        trace?: never;
+    };
+    "/api/documents/{documentId}/transcription-blocks/{blockId}/comments/{commentId}/replies": {
+        parameters: {
+            query?: never;
+            header?: never;
+            path?: never;
+            cookie?: never;
+        };
+        get?: never;
+        put?: never;
+        post: operations["replyToBlockComment"];
+        delete?: never;
+        options?: never;
+        head?: never;
+        patch?: never;
+        trace?: never;
+    };
     "/api/documents/{documentId}/comments": {
         parameters: {
             query?: never;
@@ -628,6 +708,22 @@ export interface paths {
         patch?: never;
         trace?: never;
     };
+    "/api/documents/{documentId}/transcription-blocks/{blockId}/history": {
+        parameters: {
+            query?: never;
+            header?: never;
+            path?: never;
+            cookie?: never;
+        };
+        get: operations["getBlockHistory"];
+        put?: never;
+        post?: never;
+        delete?: never;
+        options?: never;
+        head?: never;
+        patch?: never;
+        trace?: never;
+    };
     "/api/documents/search": {
         parameters: {
             query?: never;
@@ -724,8 +820,6 @@ export interface paths {
         patch?: never;
         trace?: never;
     };
-    // "/api/auth/reset-token-for-test" removed — @Operation(hidden=true) on AuthE2EController.
-    // Regenerate with `npm run generate:api` after the next backend build to keep in sync.
     "/api/admin/import-status": {
         parameters: {
             query?: never;
@@ -876,6 +970,35 @@ export interface components {
             sender?: components["schemas"]["Person"];
             tags?: components["schemas"]["Tag"][];
         };
+        UpdateTranscriptionBlockDTO: {
+            text?: string;
+            label?: string;
+        };
+        TranscriptionBlock: {
+            /** Format: uuid */
+            id: string;
+            /** Format: uuid */
+            annotationId: string;
+            /** Format: uuid */
+            documentId: string;
+            text: string;
+            label?: string;
+            /** Format: int32 */
+            sortOrder: number;
+            /** Format: int32 */
+            version: number;
+            /** Format: uuid */
+            createdBy?: string;
+            /** Format: uuid */
+            updatedBy?: string;
+            /** Format: date-time */
+            createdAt: string;
+            /** Format: date-time */
+            updatedAt: string;
+        };
+        ReorderTranscriptionBlocksDTO: {
+            blockIds?: string[];
+        };
         CreateUserRequest: {
             username?: string;
             email?: string;
@@ -895,6 +1018,20 @@ export interface components {
             name?: string;
             permissions?: string[];
         };
+        CreateTranscriptionBlockDTO: {
+            /** Format: int32 */
+            pageNumber?: number;
+            /** Format: double */
+            x?: number;
+            /** Format: double */
+            y?: number;
+            /** Format: double */
+            width?: number;
+            /** Format: double */
+            height?: number;
+            text?: string;
+            label?: string;
+        };
         CreateCommentDTO: {
             content?: string;
             mentionedUserIds?: string[];
@@ -907,6 +1044,8 @@ export interface components {
             /** Format: uuid */
             annotationId?: string;
             /** Format: uuid */
+            blockId?: string;
+            /** Format: uuid */
             parentId?: string;
             /** Format: uuid */
             authorId?: string;
@@ -1038,18 +1177,18 @@ export interface components {
             /** Format: int32 */
             number?: number;
             sort?: components["schemas"]["SortObject"];
-            /** Format: int32 */
-            numberOfElements?: number;
             first?: boolean;
             last?: boolean;
+            /** Format: int32 */
+            numberOfElements?: number;
             empty?: boolean;
         };
         PageableObject: {
+            paged?: boolean;
             /** Format: int32 */
             pageNumber?: number;
             /** Format: int32 */
             pageSize?: number;
-            paged?: boolean;
             /** Format: int64 */
             offset?: number;
             sort?: components["schemas"]["SortObject"];
@@ -1085,6 +1224,22 @@ export interface components {
             snapshot: string;
             changedFields: string;
         };
+        TranscriptionBlockVersion: {
+            /** Format: uuid */
+            id: string;
+            /** Format: uuid */
+            blockId: string;
+            text: string;
+            /** Format: uuid */
+            changedBy?: string;
+            /** Format: date-time */
+            changedAt: string;
+        };
+        DocumentSearchResult: {
+            documents?: components["schemas"]["Document"][];
+            /** Format: int64 */
+            total?: number;
+        };
         IncompleteDocumentDTO: {
             /** Format: uuid */
             id: string;
@@ -1419,6 +1574,103 @@ export interface operations {
             };
         };
     };
+    getBlock: {
+        parameters: {
+            query?: never;
+            header?: never;
+            path: {
+                documentId: string;
+                blockId: string;
+            };
+            cookie?: never;
+        };
+        requestBody?: never;
+        responses: {
+            /** @description OK */
+            200: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "*/*": components["schemas"]["TranscriptionBlock"];
+                };
+            };
+        };
+    };
+    updateBlock: {
+        parameters: {
+            query?: never;
+            header?: never;
+            path: {
+                documentId: string;
+                blockId: string;
+            };
+            cookie?: never;
+        };
+        requestBody: {
+            content: {
+                "application/json": components["schemas"]["UpdateTranscriptionBlockDTO"];
+            };
+        };
+        responses: {
+            /** @description OK */
+            200: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "*/*": components["schemas"]["TranscriptionBlock"];
+                };
+            };
+        };
+    };
+    deleteBlock: {
+        parameters: {
+            query?: never;
+            header?: never;
+            path: {
+                documentId: string;
+                blockId: string;
+            };
+            cookie?: never;
+        };
+        requestBody?: never;
+        responses: {
+            /** @description No Content */
+            204: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content?: never;
+            };
+        };
+    };
+    reorderBlocks: {
+        parameters: {
+            query?: never;
+            header?: never;
+            path: {
+                documentId: string;
+            };
+            cookie?: never;
+        };
+        requestBody: {
+            content: {
+                "application/json": components["schemas"]["ReorderTranscriptionBlocksDTO"];
+            };
+        };
+        responses: {
+            /** @description OK */
+            200: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "*/*": components["schemas"]["TranscriptionBlock"][];
+                };
+            };
+        };
+    };
     getAllUsers: {
         parameters: {
             query?: never;
@@ -1643,6 +1895,130 @@ export interface operations {
             };
         };
     };
+    listBlocks: {
+        parameters: {
+            query?: never;
+            header?: never;
+            path: {
+                documentId: string;
+            };
+            cookie?: never;
+        };
+        requestBody?: never;
+        responses: {
+            /** @description OK */
+            200: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "*/*": components["schemas"]["TranscriptionBlock"][];
+                };
+            };
+        };
+    };
+    createBlock: {
+        parameters: {
+            query?: never;
+            header?: never;
+            path: {
+                documentId: string;
+            };
+            cookie?: never;
+        };
+        requestBody: {
+            content: {
+                "application/json": components["schemas"]["CreateTranscriptionBlockDTO"];
+            };
+        };
+        responses: {
+            /** @description Created */
+            201: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "*/*": components["schemas"]["TranscriptionBlock"];
+                };
+            };
+        };
+    };
+    getBlockComments: {
+        parameters: {
+            query?: never;
+            header?: never;
+            path: {
+                blockId: string;
+            };
+            cookie?: never;
+        };
+        requestBody?: never;
+        responses: {
+            /** @description OK */
+            200: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "*/*": components["schemas"]["DocumentComment"][];
+                };
+            };
+        };
+    };
+    postBlockComment: {
+        parameters: {
+            query?: never;
+            header?: never;
+            path: {
+                documentId: string;
+                blockId: string;
+            };
+            cookie?: never;
+        };
+        requestBody: {
+            content: {
+                "application/json": components["schemas"]["CreateCommentDTO"];
+            };
+        };
+        responses: {
+            /** @description Created */
+            201: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "*/*": components["schemas"]["DocumentComment"];
+                };
+            };
+        };
+    };
+    replyToBlockComment: {
+        parameters: {
+            query?: never;
+            header?: never;
+            path: {
+                documentId: string;
+                commentId: string;
+            };
+            cookie?: never;
+        };
+        requestBody: {
+            content: {
+                "application/json": components["schemas"]["CreateCommentDTO"];
+            };
+        };
+        responses: {
+            /** @description Created */
+            201: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "*/*": components["schemas"]["DocumentComment"];
+                };
+            };
+        };
+    };
     getDocumentComments: {
         parameters: {
             query?: never;
@@ -2356,6 +2732,29 @@ export interface operations {
             };
         };
     };
+    getBlockHistory: {
+        parameters: {
+            query?: never;
+            header?: never;
+            path: {
+                documentId: string;
+                blockId: string;
+            };
+            cookie?: never;
+        };
+        requestBody?: never;
+        responses: {
+            /** @description OK */
+            200: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "*/*": components["schemas"]["TranscriptionBlockVersion"][];
+                };
+            };
+        };
+    };
     search_1: {
         parameters: {
             query?: {
@@ -2365,8 +2764,13 @@ export interface operations {
                 senderId?: string;
                 receiverId?: string;
                 tag?: string[];
+                tagQ?: string;
                 /** @description Filter by document status */
                 status?: "PLACEHOLDER" | "UPLOADED" | "TRANSCRIBED" | "REVIEWED" | "ARCHIVED";
+                /** @description Sort field */
+                sort?: "DATE" | "TITLE" | "SENDER" | "RECEIVER" | "UPLOAD_DATE";
+                /** @description Sort direction: ASC or DESC */
+                dir?: string;
             };
             header?: never;
             path?: never;
@@ -2380,7 +2784,7 @@ export interface operations {
                     [name: string]: unknown;
                 };
                 content: {
-                    "*/*": components["schemas"]["Document"][];
+                    "*/*": components["schemas"]["DocumentSearchResult"];
                 };
             };
         };
@@ -2500,7 +2904,6 @@ export interface operations {
             };
         };
     };
-    // getResetTokenForTest removed — @Operation(hidden=true) on AuthE2EController.
     importStatus: {
         parameters: {
             query?: never;