feat: add metadata field to session

prisma/migrations/20250714030924_add_session_metadata/migration.sql

@@ -0,0 +1,8 @@
+/*
+  Warnings:
+
+  - Added the required column `metadata` to the `Session` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- AlterTable
+ALTER TABLE "Session" ADD COLUMN     "metadata" TEXT NOT NULL;

prisma/schema.prisma

@@ -37,10 +37,12 @@ model Session {
     tag       String
     accountId String
     account   Account          @relation(fields: [accountId], references: [id])
+    metadata  String
     seq       Int              @default(0)
     createdAt DateTime         @default(now())
     updatedAt DateTime         @updatedAt
     messages  SessionMessage[]
+
     @@unique([accountId, tag])
 }
 

sources/app/api.ts

@@ -160,13 +160,14 @@ export async function startApi() {
     typed.post('/v1/sessions', {
         schema: {
             body: z.object({
-                tag: z.string()
+                tag: z.string(),
+                metadata: z.string()
             })
         },
         preHandler: app.authenticate
     }, async (request, reply) => {
         const userId = request.user.id;
-        const { tag } = request.body;
+        const { tag, metadata } = request.body;
 
         const session = await db.session.findFirst({
             where: {
@@ -179,6 +180,7 @@ export async function startApi() {
                 session: {
                     id: session.id,
                     seq: session.seq,
+                    metadata: session.metadata,
                     createdAt: session.createdAt.getTime(),
                     updatedAt: session.updatedAt.getTime()
                 }
@@ -201,7 +203,8 @@ export async function startApi() {
                 const session = await tx.session.create({
                     data: {
                         accountId: userId,
-                        tag: tag
+                        tag: tag,
+                        metadata: metadata
                     }
                 });
 
@@ -210,6 +213,7 @@ export async function startApi() {
                     t: 'new-session',
                     id: session.id,
                     seq: session.seq,
+                    metadata: metadata,
                     createdAt: session.createdAt.getTime(),
                     updatedAt: session.updatedAt.getTime()
                 };
@@ -238,6 +242,7 @@ export async function startApi() {
                 session: {
                     id: result.session.id,
                     seq: result.session.seq,
+                    metadata: result.session.metadata,
                     createdAt: result.session.createdAt.getTime(),
                     updatedAt: result.session.updatedAt.getTime()
                 }

sources/storage/types.ts

@@ -21,6 +21,7 @@ declare global {
             t: 'new-session';
             id: string;
             seq: number;
+            metadata: string;
             createdAt: number;
             updatedAt: number;
         };