diff --git a/apps/api/src/framework-editor/framework/framework.service.spec.ts b/apps/api/src/framework-editor/framework/framework.service.spec.ts
index 8f5f17391..cc1d3e5bc 100644
--- a/apps/api/src/framework-editor/framework/framework.service.spec.ts
+++ b/apps/api/src/framework-editor/framework/framework.service.spec.ts
@@ -14,6 +14,9 @@ jest.mock('@db', () => {
     frameworkInstance: {
       deleteMany: jest.fn(),
     },
+    timelineTemplate: {
+      deleteMany: jest.fn(),
+    },
     frameworkVersion: {
       deleteMany: jest.fn(),
     },
@@ -108,13 +111,16 @@ describe('FrameworkEditorFrameworkService.delete (FRAME-13)', () => {
     });
   });
 
-  it('deletes instances, versions, requirements, then the framework — in that order', async () => {
+  it('deletes instances, timeline templates, versions, requirements, then the framework — in that order', async () => {
     const result = await service.delete('frk_1');
 
     expect(result).toEqual({ message: 'Framework deleted successfully' });
     expect(mockDb.frameworkInstance.deleteMany).toHaveBeenCalledWith({
       where: { frameworkId: 'frk_1' },
     });
+    expect(mockDb.timelineTemplate.deleteMany).toHaveBeenCalledWith({
+      where: { frameworkId: 'frk_1' },
+    });
     expect(mockDb.frameworkVersion.deleteMany).toHaveBeenCalledWith({
       where: { frameworkId: 'frk_1' },
     });
@@ -125,16 +131,26 @@ describe('FrameworkEditorFrameworkService.delete (FRAME-13)', () => {
       where: { id: 'frk_1' },
     });
 
-    // Order matters: instances free the currentVersion Restrict FK before
-    // versions are removed, and requirements before the framework itself.
+    // Order matters: instances must go first (they cascade TimelineInstances,
+    // freeing the Restrict FK TimelineInstance.templateId -> TimelineTemplate and
+    // FrameworkInstance.currentVersionId -> FrameworkVersion); then timeline
+    // templates and versions; requirements before the framework itself.
     const order = [
       (mockDb.frameworkInstance.deleteMany as jest.Mock).mock.invocationCallOrder[0],
+      (mockDb.timelineTemplate.deleteMany as jest.Mock).mock.invocationCallOrder[0],
       (mockDb.frameworkVersion.deleteMany as jest.Mock).mock.invocationCallOrder[0],
       (mockDb.frameworkEditorRequirement.deleteMany as jest.Mock).mock
         .invocationCallOrder[0],
       (mockDb.frameworkEditorFramework.delete as jest.Mock).mock.invocationCallOrder[0],
     ];
     expect(order).toEqual([...order].sort((a, b) => a - b));
+    // Timeline templates must be removed AFTER instances (their TimelineInstances
+    // cascade-delete with the instance, freeing the templateId Restrict FK).
+    expect(
+      (mockDb.timelineTemplate.deleteMany as jest.Mock).mock.invocationCallOrder[0],
+    ).toBeGreaterThan(
+      (mockDb.frameworkInstance.deleteMany as jest.Mock).mock.invocationCallOrder[0],
+    );
   });
 
   it('maps a residual FK conflict (P2003) to a ConflictException', async () => {
diff --git a/apps/api/src/framework-editor/framework/framework.service.ts b/apps/api/src/framework-editor/framework/framework.service.ts
index 434747d2c..a75413541 100644
--- a/apps/api/src/framework-editor/framework/framework.service.ts
+++ b/apps/api/src/framework-editor/framework/framework.service.ts
@@ -102,21 +102,27 @@ export class FrameworkEditorFrameworkService {
   async delete(id: string) {
     await this.findById(id);
 
-    // A framework may have published versions and org-level instances that
-    // reference it. Delete the dependency graph in order inside one transaction:
-    //   1. instances   — cascades their org controls/maps/links/sync-operations
-    //                    AND frees the Restrict FK on
-    //                    FrameworkInstance.currentVersionId -> FrameworkVersion
-    //   2. versions     — now unreferenced by instances or sync-operations
-    //   3. requirements — Restrict FK back to the framework
-    //   4. the framework — cascades the editor-side control/policy/task/document
-    //                    links + ISMS docs
+    // A framework may have published versions, org-level instances, and timeline
+    // templates that reference it. Delete the dependency graph in order inside one
+    // transaction:
+    //   1. instances        — cascades their org controls/maps/links/sync-ops AND
+    //                         their TimelineInstances+phases, and frees the Restrict
+    //                         FK on FrameworkInstance.currentVersionId -> Version
+    //   2. timeline templates — TimelineTemplate.frameworkId is a Restrict FK back
+    //                         to the framework; its TimelineInstances are already
+    //                         gone via step 1, so it (and its phase templates) can
+    //                         now be removed
+    //   3. versions         — now unreferenced by instances or sync-operations
+    //   4. requirements     — Restrict FK back to the framework
+    //   5. the framework    — cascades the editor-side control/policy/task/document
+    //                         links + ISMS docs
     // Deleting the framework directly would cascade versions and instances
     // together, which trips the currentVersionId Restrict (P2003) depending on
     // cascade order; the explicit ordering avoids that.
     try {
       await db.$transaction([
         db.frameworkInstance.deleteMany({ where: { frameworkId: id } }),
+        db.timelineTemplate.deleteMany({ where: { frameworkId: id } }),
         db.frameworkVersion.deleteMany({ where: { frameworkId: id } }),
         db.frameworkEditorRequirement.deleteMany({
           where: { frameworkId: id },