Bump llama-index to 0.14.0 for OpenAI 2.x compatibility

- Update llama-index to >=0.14.0
- Add llama-index-llms-openai dependency
- Ensure compatibility with openai 2.x
- Update pyproject.toml
- Update offline requirements files

pyproject.toml

@@ -120,7 +120,8 @@ offline-llm = [
     "zhipuai>=2.0.0,<3.0.0",
     "aioboto3>=12.0.0,<16.0.0",
     "voyageai>=0.2.0,<1.0.0",
-    "llama-index>=0.9.0,<1.0.0",
+    "llama-index>=0.14.0,<1.0.0",  # Updated to ensure compatibility with openai 2.x
+    "llama-index-llms-openai>=0.6.12",  # Explicitly require version that supports openai 2.x
     "google-api-core>=2.0.0,<3.0.0",
     "google-genai>=1.0.0,<2.0.0",
 ]

requirements-offline-llm.txt

@@ -12,7 +12,8 @@ aioboto3>=12.0.0,<16.0.0
 anthropic>=0.18.0,<1.0.0
 google-api-core>=2.0.0,<3.0.0
 google-genai>=1.0.0,<2.0.0
-llama-index>=0.9.0,<1.0.0
+llama-index>=0.14.0,<1.0.0
+llama-index-llms-openai>=0.6.12
 ollama>=0.1.0,<1.0.0
 openai>=2.0.0,<3.0.0
 voyageai>=0.2.0,<1.0.0

requirements-offline.txt

@@ -12,7 +12,8 @@ anthropic>=0.18.0,<1.0.0
 asyncpg>=0.31.0,<1.0.0
 google-api-core>=2.0.0,<3.0.0
 google-genai>=1.0.0,<2.0.0
-llama-index>=0.9.0,<1.0.0
+llama-index>=0.14.0,<1.0.0
+llama-index-llms-openai>=0.6.12
 neo4j>=5.0.0,<7.0.0
 ollama>=0.1.0,<1.0.0
 openai>=2.0.0,<3.0.0