Merge branch '169-springai-1.0' of https://github.com/oracle-samples/ai-optimizer into 169-springai-1.0

Author: corradodebari

src/server/bootstrap/model_def.py

@@ -151,26 +151,25 @@ def main() -> list[Model]:
             "max_chunk_size": 8192,
         },
         {
-            # This is intentionally last to line up with docos
-            "name": "mxbai-embed-large",
+            "name": "all-minilm",
             "enabled": os.getenv("ON_PREM_OLLAMA_URL") is not None,
             "type": "embed",
             "api": "OllamaEmbeddings",
             "url": os.environ.get("ON_PREM_OLLAMA_URL", default="http://127.0.0.1:11434"),
             "api_key": "",
             "openai_compat": True,
-            "max_chunk_size": 512,
+            "max_chunk_size": 256,
         },
         {
             # This is intentionally last to line up with docos
-            "name": "all-minilm",
+            "name": "mxbai-embed-large",
             "enabled": os.getenv("ON_PREM_OLLAMA_URL") is not None,
             "type": "embed",
             "api": "OllamaEmbeddings",
             "url": os.environ.get("ON_PREM_OLLAMA_URL", default="http://127.0.0.1:11434"),
             "api_key": "",
             "openai_compat": True,
-            "max_chunk_size": 256,
+            "max_chunk_size": 512,
         },
     ]