From 5cbbbe0236d578ae424740d5de5ad31a0d5073de Mon Sep 17 00:00:00 2001
From: ramnnnn2006 <phrkvvp@gmail.com>
Date: Fri, 12 Jun 2026 19:31:28 +0530
Subject: [PATCH 1/3] refactor(backend): type authenticate decorator and jwt
 user payload

---
 apps/backend/src/types/fastify.d.ts | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/apps/backend/src/types/fastify.d.ts b/apps/backend/src/types/fastify.d.ts
index 8e7aee95..f6053ec4 100644
--- a/apps/backend/src/types/fastify.d.ts
+++ b/apps/backend/src/types/fastify.d.ts
@@ -1,8 +1,25 @@
 import '@fastify/cookie';
-import { FastifyRequest } from 'fastify';
+import '@fastify/jwt';
+import { FastifyRequest, FastifyReply } from 'fastify';
 
 declare module 'fastify' {
+  interface FastifyInstance {
+    authenticate: (
+      request: FastifyRequest,
+      reply: FastifyReply
+    ) => Promise<void>;
+  }
+
   interface FastifyRequest {
     cookies: Record<string, string | undefined>;
   }
 }
+
+declare module '@fastify/jwt' {
+  interface FastifyJWT {
+    user: {
+      id: string;
+      username: string;
+    };
+  }
+}

From 9a65962439c22fc5b7585dd43a746d86762823ad Mon Sep 17 00:00:00 2001
From: ramnnnn2006 <phrkvvp@gmail.com>
Date: Fri, 12 Jun 2026 19:45:55 +0530
Subject: [PATCH 2/3] refactor(backend): use typed authenticate prehandler and
 jwt user in analytics routes

---
 apps/backend/src/routes/analytics.ts | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/apps/backend/src/routes/analytics.ts b/apps/backend/src/routes/analytics.ts
index efc22fe5..b6eab259 100644
--- a/apps/backend/src/routes/analytics.ts
+++ b/apps/backend/src/routes/analytics.ts
@@ -12,14 +12,14 @@ export async function analyticsRoutes(
     '/overview',
     {
       // eslint-disable-next-line @typescript-eslint/unbound-method
-      preHandler: [async (request, reply) => { const server = request.server as any; if (typeof server?.authenticate === 'function') { await server.authenticate(request, reply); return } if (typeof (app as any).authenticate === 'function') { await (app as any).authenticate(request, reply); return } try { await request.jwtVerify() } catch (e) { reply.status(401).send({ error: 'Unauthorized' }) } }],
+      preHandler: [app.authenticate],
     },
     async (
       request: FastifyRequest,
       _reply: FastifyReply
     ) => {
-      const userId = (request.user as any).id;
-      const username = (request.user as any).username;  
+      const userId = request.user.id;
+      const username = request.user.username;
 
       const today = new Date();
       today.setHours(0, 0, 0, 0);
@@ -98,7 +98,7 @@ export async function analyticsRoutes(
     '/views',
     {
       // eslint-disable-next-line @typescript-eslint/unbound-method
-      preHandler: [async (request, reply) => { const server = request.server as any; if (typeof server?.authenticate === 'function') { await server.authenticate(request, reply); return } if (typeof (app as any).authenticate === 'function') { await (app as any).authenticate(request, reply); return } try { await request.jwtVerify() } catch (e) { reply.status(401).send({ error: 'Unauthorized' }) } }],
+      preHandler: [app.authenticate],
     },
     async (
       request: FastifyRequest<{
@@ -109,7 +109,7 @@ export async function analyticsRoutes(
       }>,
       _reply: FastifyReply
     ) => {
-      const userId = (request.user as any).id;
+      const userId = request.user.id;
       const page = parseInt(request.query.page || '1', 10);
       const limit = 20;
       const skip = (page - 1) * limit;

From 7b792788c919a283dfea3fdaed932c232bb04104 Mon Sep 17 00:00:00 2001
From: ramnnnn2006 <phrkvvp@gmail.com>
Date: Fri, 12 Jun 2026 19:52:09 +0530
Subject: [PATCH 3/3] refactor(backend): type analytics where clause with
 prisma cardviewwhereinput

---
 apps/backend/src/routes/analytics.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/apps/backend/src/routes/analytics.ts b/apps/backend/src/routes/analytics.ts
index b6eab259..884c0528 100644
--- a/apps/backend/src/routes/analytics.ts
+++ b/apps/backend/src/routes/analytics.ts
@@ -1,3 +1,4 @@
+import type { Prisma } from '@prisma/client';
 import type {
   FastifyInstance,
   FastifyRequest,
@@ -114,7 +115,7 @@ export async function analyticsRoutes(
       const limit = 20;
       const skip = (page - 1) * limit;
 
-      const whereClause: any = { ownerId: userId };
+      const whereClause: Prisma.CardViewWhereInput = { ownerId: userId };
 
       if (request.query.cardId) {
         whereClause.cardId = request.query.cardId;