fix: Simplify nano-graphrag installation without setup.py

- Add missing dependencies (graspologic, aioboto3) to requirements.txt
- Replace pip install -e with simple sys.path.insert approach
- Avoid setup.py issues completely by treating nano-graphrag as local module

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

app.py

@@ -15,15 +15,16 @@ import subprocess
 import sys
 
 def install_nano_graphrag():
-    """Install nano-graphrag from local source"""
+    """Add nano-graphrag to Python path as simple module"""
     try:
-        # Change to nano-graphrag directory and install
+        # Add nano-graphrag directory to Python path
         nano_dir = os.path.join(os.getcwd(), "nano-graphrag")
-        subprocess.check_call([sys.executable, "-m", "pip", "install", "-e", nano_dir])
-        print("✅ nano-graphrag installed from source")
+        if nano_dir not in sys.path:
+            sys.path.insert(0, nano_dir)
+        print("✅ nano-graphrag added to Python path")
         return True
     except Exception as e:
-        print(f"⚠️ Failed to install nano-graphrag: {e}")
+        print(f"⚠️ Failed to add nano-graphrag to path: {e}")
         return False
 
 # Try to import nano_graphrag, install if needed

requirements.txt

@@ -11,4 +11,6 @@ networkx>=3.0
 hnswlib>=0.7.0
 nano-vectordb>=0.0.4
 dspy-ai>=3.0.0
-neo4j>=5.0.0
+neo4j>=5.0.0
+graspologic
+aioboto3