Fix CI/CD pipeline issues

Author: tanzilahmed0

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
       with:
         node-version: ${{ matrix.node-version }}
         cache: 'npm'
-        cache-dependency-path: frontend/package-lock.json
+        cache-dependency-path: package-lock.json
 
     - name: Install dependencies
       run: npm ci
@@ -137,7 +137,7 @@ jobs:
       with:
         node-version: '20.x'
         cache: 'npm'
-        cache-dependency-path: frontend/package-lock.json
+        cache-dependency-path: package-lock.json
 
     - name: Setup Python
       uses: actions/setup-python@v4
@@ -207,7 +207,7 @@ jobs:
       with:
         node-version: '20.x'
         cache: 'npm'
-        cache-dependency-path: frontend/package-lock.json
+        cache-dependency-path: package-lock.json
 
     - name: Frontend security audit
       working-directory: ./frontend

backend/main.py

@@ -1,4 +1,5 @@
 import os
+
 from dotenv import load_dotenv
 
 # Load environment variables FIRST, before any other imports