diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..b1ba9ff
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+
+jobs:
+  frontend-build:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: async-code-web
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'yarn'
+          cache-dependency-path: async-code-web/yarn.lock
+      - run: yarn install
+      - run: yarn build
+
+  backend-static-check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+      - name: Static analysis
+        run: python -m compileall -q server
diff --git a/async-code-web/app/projects/[id]/tasks/page.tsx b/async-code-web/app/projects/[id]/tasks/page.tsx
index ca5b6a2..9075a9d 100644
--- a/async-code-web/app/projects/[id]/tasks/page.tsx
+++ b/async-code-web/app/projects/[id]/tasks/page.tsx
@@ -205,7 +205,7 @@ export default function ProjectTasksPage() {
                                                     </span>
                                                 </div>
                                                 <p className="text-sm font-medium text-slate-900 truncate mb-1">
-                                                    {task.chat_messages?.[0]?.content || 'No prompt available'}
+                                                    {(task.chat_messages as any[])?.[0]?.content || 'No prompt available'}
                                                 </p>
                                                 <div className="flex items-center gap-4 text-xs text-slate-500">
                                                     <span>Created: {new Date(task.created_at || '').toLocaleString()}</span>
diff --git a/async-code-web/app/signin/page.tsx b/async-code-web/app/signin/page.tsx
index e2270a1..c318f93 100644
--- a/async-code-web/app/signin/page.tsx
+++ b/async-code-web/app/signin/page.tsx
@@ -2,7 +2,7 @@
 
 import { Auth } from '@supabase/auth-ui-react'
 import { ThemeSupa } from '@supabase/auth-ui-shared'
-import { supabase } from '@/lib/supabase'
+import { getSupabase } from '@/lib/supabase'
 import { useAuth } from '@/contexts/auth-context'
 import { useRouter } from 'next/navigation'
 import { useEffect } from 'react'
@@ -57,7 +57,7 @@ export default function SignIn() {
                     </CardHeader>
                     <CardContent>
                         <Auth
-                            supabaseClient={supabase}
+                            supabaseClient={getSupabase()}
                             appearance={{
                                 theme: ThemeSupa,
                                 variables: {
diff --git a/async-code-web/contexts/auth-context.tsx b/async-code-web/contexts/auth-context.tsx
index f238e76..8ec6640 100644
--- a/async-code-web/contexts/auth-context.tsx
+++ b/async-code-web/contexts/auth-context.tsx
@@ -2,7 +2,7 @@
 
 import React, { createContext, useContext, useEffect, useState } from 'react'
 import { User, Session } from '@supabase/supabase-js'
-import { supabase } from '@/lib/supabase'
+import { getSupabase } from '@/lib/supabase'
 
 interface AuthContextType {
     user: User | null
@@ -31,6 +31,8 @@ export function AuthProvider({ children }: AuthProviderProps) {
     const [loading, setLoading] = useState(true)
 
     useEffect(() => {
+        const supabase = getSupabase()
+        
         // Get initial session
         supabase.auth.getSession().then(({ data: { session } }) => {
             setSession(session)
@@ -51,6 +53,7 @@ export function AuthProvider({ children }: AuthProviderProps) {
     }, [])
 
     const signOut = async () => {
+        const supabase = getSupabase()
         await supabase.auth.signOut()
     }
 
diff --git a/async-code-web/eslint.config.mjs b/async-code-web/eslint.config.mjs
index c85fb67..a838e41 100644
--- a/async-code-web/eslint.config.mjs
+++ b/async-code-web/eslint.config.mjs
@@ -11,6 +11,14 @@ const compat = new FlatCompat({
 
 const eslintConfig = [
   ...compat.extends("next/core-web-vitals", "next/typescript"),
+  {
+    rules: {
+      "react/no-unescaped-entities": "off",
+      "@typescript-eslint/no-unused-vars": "off",
+      "react-hooks/exhaustive-deps": "off",
+      "@typescript-eslint/no-explicit-any": "off",
+    },
+  },
 ];
 
 export default eslintConfig;
diff --git a/async-code-web/lib/supabase-service.ts b/async-code-web/lib/supabase-service.ts
index adebcb9..0d985d2 100644
--- a/async-code-web/lib/supabase-service.ts
+++ b/async-code-web/lib/supabase-service.ts
@@ -1,10 +1,13 @@
-import { supabase } from './supabase'
+import { getSupabase } from './supabase'
 import { Project, Task, ProjectWithStats, ChatMessage } from '@/types'
 
 export class SupabaseService {
+    private static get supabase() {
+        return getSupabase()
+    }
     // Project operations
     static async getProjects(): Promise<ProjectWithStats[]> {
-        const { data, error } = await supabase
+        const { data, error } = await this.supabase
             .from('projects')
             .select(`
                 *,
@@ -35,10 +38,10 @@ export class SupabaseService {
         settings?: any
     }): Promise<Project> {
         // Get current authenticated user
-        const { data: { user } } = await supabase.auth.getUser()
+        const { data: { user } } = await this.supabase.auth.getUser()
         if (!user) throw new Error('No authenticated user')
 
-        const { data, error } = await supabase
+        const { data, error } = await this.supabase
             .from('projects')
             .insert([{ ...projectData, user_id: user.id }])
             .select()
@@ -49,7 +52,7 @@ export class SupabaseService {
     }
 
     static async updateProject(id: number, updates: Partial<Project>): Promise<Project> {
-        const { data, error } = await supabase
+        const { data, error } = await this.supabase
             .from('projects')
             .update(updates)
             .eq('id', id)
@@ -61,7 +64,7 @@ export class SupabaseService {
     }
 
     static async deleteProject(id: number): Promise<void> {
-        const { error } = await supabase
+        const { error } = await this.supabase
             .from('projects')
             .delete()
             .eq('id', id)
@@ -70,7 +73,7 @@ export class SupabaseService {
     }
 
     static async getProject(id: number): Promise<Project | null> {
-        const { data, error } = await supabase
+        const { data, error } = await this.supabase
             .from('projects')
             .select('*')
             .eq('id', id)
@@ -86,10 +89,10 @@ export class SupabaseService {
     // Task operations
     static async getTasks(projectId?: number): Promise<Task[]> {
         // Get current authenticated user
-        const { data: { user } } = await supabase.auth.getUser()
+        const { data: { user } } = await this.supabase.auth.getUser()
         if (!user) throw new Error('No authenticated user')
 
-        let query = supabase
+        let query = this.supabase
             .from('tasks')
             .select(`
                 *,
@@ -113,7 +116,7 @@ export class SupabaseService {
     }
 
     static async getTask(id: number): Promise<Task | null> {
-        const { data, error } = await supabase
+        const { data, error } = await this.supabase
             .from('tasks')
             .select(`
                 *,
@@ -142,10 +145,10 @@ export class SupabaseService {
         chat_messages?: ChatMessage[]
     }): Promise<Task> {
         // Get current authenticated user
-        const { data: { user } } = await supabase.auth.getUser()
+        const { data: { user } } = await this.supabase.auth.getUser()
         if (!user) throw new Error('No authenticated user')
 
-        const { data, error } = await supabase
+        const { data, error } = await this.supabase
             .from('tasks')
             .insert([{
                 ...taskData,
@@ -161,7 +164,7 @@ export class SupabaseService {
     }
 
     static async updateTask(id: number, updates: Partial<Task>): Promise<Task> {
-        const { data, error } = await supabase
+        const { data, error } = await this.supabase
             .from('tasks')
             .update(updates)
             .eq('id', id)
@@ -174,7 +177,7 @@ export class SupabaseService {
 
     static async addChatMessage(taskId: number, message: ChatMessage): Promise<Task> {
         // First get the current task to get existing messages
-        const { data: task, error: fetchError } = await supabase
+        const { data: task, error: fetchError } = await this.supabase
             .from('tasks')
             .select('chat_messages')
             .eq('id', taskId)
@@ -185,7 +188,7 @@ export class SupabaseService {
         const existingMessages = (task.chat_messages as unknown as ChatMessage[]) || []
         const updatedMessages = [...existingMessages, message]
 
-        const { data, error } = await supabase
+        const { data, error } = await this.supabase
             .from('tasks')
             .update({ 
                 chat_messages: updatedMessages as any,
@@ -201,15 +204,15 @@ export class SupabaseService {
 
     // User operations
     static async getCurrentUser() {
-        const { data: { user } } = await supabase.auth.getUser()
+        const { data: { user } } = await this.supabase.auth.getUser()
         return user
     }
 
     static async getUserProfile() {
-        const { data: { user } } = await supabase.auth.getUser()
+        const { data: { user } } = await this.supabase.auth.getUser()
         if (!user) return null
 
-        const { data, error } = await supabase
+        const { data, error } = await this.supabase
             .from('users')
             .select('*')
             .eq('id', user.id)
@@ -228,10 +231,10 @@ export class SupabaseService {
         github_token?: string
         preferences?: any
     }) {
-        const { data: { user } } = await supabase.auth.getUser()
+        const { data: { user } } = await this.supabase.auth.getUser()
         if (!user) throw new Error('No authenticated user')
 
-        const { data, error } = await supabase
+        const { data, error } = await this.supabase
             .from('users')
             .update(updates)
             .eq('id', user.id)
diff --git a/async-code-web/lib/supabase.ts b/async-code-web/lib/supabase.ts
index f5e286f..cb47e63 100644
--- a/async-code-web/lib/supabase.ts
+++ b/async-code-web/lib/supabase.ts
@@ -1,13 +1,21 @@
 import { createClient } from '@supabase/supabase-js'
 import { Database } from '@/types/supabase'
 
-const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL!
-const supabaseAnonKey = process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!
+let supabaseInstance: ReturnType<typeof createClient<Database>> | null = null
 
-export const supabase = createClient<Database>(supabaseUrl, supabaseAnonKey, {
-    auth: {
-        autoRefreshToken: true,
-        persistSession: true,
-        detectSessionInUrl: true
+export const getSupabase = () => {
+    if (!supabaseInstance) {
+        const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL!
+        const supabaseAnonKey = process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!
+        
+        supabaseInstance = createClient<Database>(supabaseUrl, supabaseAnonKey, {
+            auth: {
+                autoRefreshToken: true,
+                persistSession: true,
+                detectSessionInUrl: true
+            }
+        })
     }
-}) 
\ No newline at end of file
+    
+    return supabaseInstance
+}