fix: update CI configuration to include environment variables for include and library paths

.github/workflows/ci.yml

@@ -12,10 +12,13 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    env:
+      C_INCLUDE_PATH: /usr/include:/usr/local/include
+      LIBRARY_PATH: /usr/lib:/usr/local/lib:/usr/lib/x86_64-linux-gnu
     steps:
       - uses: actions/checkout@v4
       - name: Build project
-        run: make clean && make || make
+        run: make clean && make INCLUDES="-I/usr/include -I/usr/local/include" || make INCLUDES="-I/usr/include -I/usr/local/include"
       - name: Upload build artifacts
         uses: actions/upload-artifact@v4
         with:
@@ -25,11 +28,14 @@ jobs:
   test:
     runs-on: ubuntu-latest
     needs: build
+    env:
+      C_INCLUDE_PATH: /usr/include:/usr/local/include
+      LIBRARY_PATH: /usr/lib:/usr/local/lib:/usr/lib/x86_64-linux-gnu
     steps:
       - uses: actions/checkout@v4
       - name: Build and run tests
         run: |
-          make clean && make
+          make clean && make INCLUDES="-I/usr/include -I/usr/local/include"
           # Verify the binary was created
           test -f server && echo "✓ Server binary built successfully"
           # Basic smoke tests - verify it's a valid ELF executable