🔧 fix: optimize Docker cache usage by removing redundant go mod tidy

- Remove unnecessary go mod tidy execution when using Docker cache
- Dependencies are already pre-installed in the cache image
- Only run go mod tidy when not using cache (native execution)
- This leverages the true purpose of the Docker build cache

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

scripts/test-local-ci-cd.sh

@@ -85,16 +85,16 @@ else
 fi
 echo ""
 
-# 5. Install dependencies
-echo "5. Installing dependencies..."
+# 5. Check dependencies
+echo "5. Checking dependencies..."
 if [ "$USE_DOCKER_CACHE" = true ]; then
-    echo "Running in Docker Compose container..."
-    docker compose -f docker-compose.build.yml exec -w /workspace build-cache sh -c "go mod tidy"
+    echo "✅ Using pre-installed dependencies from Docker cache"
+    # No need to run go mod tidy - dependencies are already in the cache
 else
-    echo "Running natively..."
+    echo "Running natively - ensuring dependencies are up to date..."
     go mod tidy
 fi
-echo "✅ Dependencies installed"
+echo "✅ Dependencies ready"
 echo ""
 
 # 6. Generate Swagger Docs