diff --git a/services/platform-service/src/modules/feedback/types.ts b/services/platform-service/src/modules/feedback/types.ts
index cf993f0f..f7fd131d 100644
--- a/services/platform-service/src/modules/feedback/types.ts
+++ b/services/platform-service/src/modules/feedback/types.ts
@@ -21,6 +21,23 @@ export interface FeedbackDoc {
   platform: string | null; // web, ios, android
   status: FeedbackStatus;
   adminNotes: string | null;
+
+  // Screenshot attachment (Phase 1.1)
+  screenshotBlobPath?: string; // "feedback/{productId}/{feedbackId}/{screenshotId}.png"
+  screenshotUrl?: string; // Time-limited SAS URL for viewing
+  screenshotUrlExpiresAt?: string; // When SAS URL expires
+  screenshotContentType?: 'image/png' | 'image/jpeg' | 'image/webp';
+  screenshotSizeBytes?: number;
+
+  // Device context for debugging (Phase 1.1)
+  deviceContext?: {
+    osVersion: string;
+    appVersion: string;
+    deviceModel: string;
+    screenResolution: string;
+    locale: string;
+  };
+
   createdAt: string;
   updatedAt: string;
 }
@@ -35,6 +52,25 @@ export const CreateFeedbackSchema = z.object({
   screen: z.string().max(100).nullable().default(null),
   appVersion: z.string().max(50).nullable().default(null),
   platform: z.string().max(20).nullable().default(null),
+  // Screenshot fields (Phase 1.1)
+  screenshotBlobPath: z.string().optional(),
+  screenshotContentType: z.enum(['image/png', 'image/jpeg', 'image/webp']).optional(),
+  screenshotSizeBytes: z
+    .number()
+    .int()
+    .min(1)
+    .max(10 * 1024 * 1024)
+    .optional(), // 10MB max
+  // Device context (Phase 1.1)
+  deviceContext: z
+    .object({
+      osVersion: z.string().max(50),
+      appVersion: z.string().max(50),
+      deviceModel: z.string().max(100),
+      screenResolution: z.string().max(20),
+      locale: z.string().max(10),
+    })
+    .optional(),
 });
 
 export const UpdateFeedbackSchema = z.object({