feat: extend data retention to files, tool calls, and shared links

Add expiredAt field and TTL indexes to file, toolCall, and share schemas.
Set expiredAt on tool calls, shared links, and file uploads when
retentionMode is "all" or chat is temporary.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

packages/data-schemas/src/methods/conversation.ts

@@ -180,10 +180,7 @@ export function createConversationMethods(
         update.isTemporary = false;
       }
 
-      if (
-        isTemporary ||
-        interfaceConfig?.retentionMode === RetentionMode.ALL
-      ) {
+      if (isTemporary || interfaceConfig?.retentionMode === RetentionMode.ALL) {
         try {
           update.expiredAt = createTempChatExpirationDate(interfaceConfig);
         } catch (err) {

packages/data-schemas/src/methods/message.ts

@@ -92,10 +92,7 @@ export function createMessageMethods(mongoose: typeof import('mongoose')): Messa
         messageId: params.newMessageId || params.messageId,
       };
 
-      if (
-        isTemporary ||
-        interfaceConfig?.retentionMode === RetentionMode.ALL
-      ) {
+      if (isTemporary || interfaceConfig?.retentionMode === RetentionMode.ALL) {
         try {
           update.expiredAt = createTempChatExpirationDate(interfaceConfig);
         } catch (err) {

packages/data-schemas/src/methods/share.ts

@@ -345,6 +345,7 @@ export function createShareMethods(mongoose: typeof import('mongoose')) {
     user: string,
     conversationId: string,
     targetMessageId?: string,
+    expiredAt?: Date,
   ): Promise<t.CreateShareResult> {
     if (!user || !conversationId) {
       throw new ShareServiceError('Missing required parameters', 'INVALID_PARAMS');
@@ -408,6 +409,7 @@ export function createShareMethods(mongoose: typeof import('mongoose')) {
         title,
         user,
         ...(targetMessageId && { targetMessageId }),
+        ...(expiredAt && { expiredAt }),
       });
 
       return { shareId, conversationId };
@@ -460,7 +462,11 @@ export function createShareMethods(mongoose: typeof import('mongoose')) {
   /**
    * Update a shared link with new messages
    */
-  async function updateSharedLink(user: string, shareId: string): Promise<t.UpdateShareResult> {
+  async function updateSharedLink(
+    user: string,
+    shareId: string,
+    expiredAt?: Date,
+  ): Promise<t.UpdateShareResult> {
     if (!user || !shareId) {
       throw new ShareServiceError('Missing required parameters', 'INVALID_PARAMS');
     }
@@ -485,6 +491,7 @@ export function createShareMethods(mongoose: typeof import('mongoose')) {
         messages: updatedMessages,
         user,
         shareId: newShareId,
+        ...(expiredAt && { expiredAt }),
       };
 
       const updatedShare = (await SharedLink.findOneAndUpdate({ shareId, user }, update, {

packages/data-schemas/src/schema/file.ts

@@ -82,12 +82,16 @@ const file: Schema<IMongoFile> = new Schema(
       type: String,
       index: true,
     },
+    expiredAt: {
+      type: Date,
+    },
   },
   {
     timestamps: true,
   },
 );
 
+file.index({ expiredAt: 1 }, { expireAfterSeconds: 0 });
 file.index({ createdAt: 1, updatedAt: 1 });
 file.index(
   { filename: 1, conversationId: 1, context: 1, tenantId: 1 },

packages/data-schemas/src/schema/share.ts

@@ -8,6 +8,7 @@ export interface ISharedLink extends Document {
   shareId?: string;
   targetMessageId?: string;
   isPublic: boolean;
+  expiredAt?: Date;
   createdAt?: Date;
   updatedAt?: Date;
   tenantId?: string;
@@ -45,10 +46,14 @@ const shareSchema: Schema<ISharedLink> = new Schema(
       type: String,
       index: true,
     },
+    expiredAt: {
+      type: Date,
+    },
   },
   { timestamps: true },
 );
 
+shareSchema.index({ expiredAt: 1 }, { expireAfterSeconds: 0 });
 shareSchema.index({ conversationId: 1, user: 1, targetMessageId: 1, tenantId: 1 });
 
 export default shareSchema;

packages/data-schemas/src/schema/toolCall.ts

@@ -10,6 +10,7 @@ export interface IToolCallData extends Document {
   attachments?: TAttachment[];
   blockIndex?: number;
   partIndex?: number;
+  expiredAt?: Date;
   createdAt?: Date;
   updatedAt?: Date;
   tenantId?: string;
@@ -50,10 +51,14 @@ const toolCallSchema: Schema<IToolCallData> = new Schema(
       type: String,
       index: true,
     },
+    expiredAt: {
+      type: Date,
+    },
   },
   { timestamps: true },
 );
 
+toolCallSchema.index({ expiredAt: 1 }, { expireAfterSeconds: 0 });
 toolCallSchema.index({ messageId: 1, user: 1, tenantId: 1 });
 toolCallSchema.index({ conversationId: 1, user: 1, tenantId: 1 });
 

packages/data-schemas/src/types/file.ts

@@ -23,6 +23,7 @@ export interface IMongoFile extends Omit<Document, 'model'> {
     fileIdentifier?: string;
   };
   expiresAt?: Date;
+  expiredAt?: Date;
   createdAt?: Date;
   updatedAt?: Date;
   tenantId?: string;

packages/data-schemas/src/types/share.ts

@@ -10,6 +10,7 @@ export interface ISharedLink {
   shareId?: string;
   targetMessageId?: string;
   isPublic: boolean;
+  expiredAt?: Date;
   createdAt?: Date;
   updatedAt?: Date;
 }