\fix: resolve Sphinx documentation build issues\n\n- Replace deprecated sphinx-quickstart -n flag with --no-sep\n- Fix sphinx build command to use sphinx-build directly instead of make\n- Remove dependency on generated Makefile for cross-platform compatibility\n- Documentation generation now works correctly on all platforms\n- Fixes CI documentation workflow failures"

Author: WenyinWei

tools/scripts/build_docs.sh

@@ -91,7 +91,7 @@ generate_sphinx() {
         cd "$DOCS_DIR/sphinx"
 
         # Initialize Sphinx project
-        sphinx-quickstart -q -p "DiffEq" -a "DiffEq Team" -v "1.0.0" -r "1.0.0" -l "en" -n
+        sphinx-quickstart -q -p "DiffEq" -a "DiffEq Team" -v "1.0.0" -r "1.0.0" -l "en" --no-sep
 
         # Configure for C++ and Breathe
         cat > conf.py << 'EOF'
@@ -166,7 +166,7 @@ EOF
 
     # Generate Sphinx documentation
     cd "$DOCS_DIR/sphinx"
-    make html
+    sphinx-build -b html . _build/html
 
     if [ $? -eq 0 ]; then
         echo -e "${GREEN}✓ Sphinx documentation generated successfully${NC}"