revert llama-index-llms-openai bump: openrouter 0.5.0 caps openai-like<0.7

llama-index-llms-openrouter 0.5.0 (latest) requires
llama-index-llms-openai-like<0.7, which conflicts with the 0.7.1
needed by llama-index-llms-openai 0.7.4. This upgrade chain is not
yet possible.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: neoneye

worker_plan/pyproject.toml

@@ -52,8 +52,8 @@ dependencies = [
     "llama-index-llms-lmstudio==0.4.1",
     # "llama-index-llms-mistralai==0.4.0",
     "llama-index-llms-ollama==0.9.1",
-    "llama-index-llms-openai==0.7.4",
-    "llama-index-llms-openai-like==0.7.1",
+    "llama-index-llms-openai==0.6.12",
+    "llama-index-llms-openai-like==0.5.3",
     "llama-index-llms-openrouter==0.4.2",
     # "llama-index-llms-together==0.3.1",
     # "llama-index-multi-modal-llms-openai==0.4.2",