The semantic index search is always empty on large c++ project such as unrealengine game project.
- I have exclude a lot files in the project to ensure index file is below 50k
- The codebase semantic index shows Index ready.
- Ask copilot agent to search with #codebase or ask quesition trigger a retrival
- There are nothing return from semantic index.

The semantic index search is always empty on large c++ project such as unrealengine game project.