Aman edits

[amasick]

added gemini configuration

[saccharin98]

Thanks for working on Gemini support — it's a valuable direction. However, this PR needs significant rework
before it can be merged.

Files that should not be in this PR:

Please remove all of the following — they appear to be personal notes/workflow files and test data that don't
belong in the repository:

• FINAL_SUBMISSION_STATUS.md, SUBMISSION_READY.md, SETUP_COMPLETE.md
• PUSH_AND_PR_GUIDE.md, QUICK_PUSH_REFERENCE.txt
• DOCUMENTATION_INDEX.md, INDEX.md, INSTALLATION_CHECKLIST.md
• RedBook.pdf, redbook_query.py

Architectural concern (the main issue):

The current approach copies the entire pageindex logic into a new standalone file and replaces OpenAI calls
with Gemini. This creates a parallel implementation that will drift out of sync whenever the core package is
updated.

The right approach is to add a provider abstraction inside the existing pageindex package — for example,
allowing users to pass in a custom LLM client or specify a provider — rather than duplicating hundreds of
lines of logic. Would you be open to refactoring in that direction?

Code issues in gemini_pageindex.py:

1. google-generativeai==0.3.1 is severely outdated (current is 0.8.x). Models like gemini-2.0-flash don't
   exist in that version — this likely won't run at all. Please update and verify.
2. count_tokens() hardcodes gpt-4o as the tokenizer model — semantically incorrect for a Gemini
   implementation.
3. Default model is inconsistent: gemini_api() defaults to gemini-2.0-flash, but the CLI defaults to
   gemini-1.5-flash.