chore: add latest model rule to CLAUDE.md

[mateo-berri]

note: I don't @ the model_prices_and_context_window.json because I don't want to always add that multi-megabyte JSON into every session

[greptile-apps]

Greptile Summary

This PR adds a single guidance line to CLAUDE.md reminding Claude to reference the latest model in a given model family when writing or testing code, and to consult model_prices_and_context_window.json or the web to account for knowledge-cutoff staleness.

• Adds one sentence to the coding-conventions section of CLAUDE.md; no production code is modified.
• The PR description explains why model_prices_and_context_window.json is not directly @-included: it is a multi-megabyte file that would bloat every Claude session context unnecessarily.

Confidence Score: 5/5

Safe to merge — the change is a single documentation line with no impact on runtime code.

The only change is a one-sentence addition to a developer-guide file (CLAUDE.md). No production code, tests, migrations, or security-sensitive logic is touched, so there is nothing here that could regress existing behaviour.

No files require special attention.

Important Files Changed

Filename	Overview
CLAUDE.md	Adds a one-line guidance note instructing Claude to use the latest model in a family and consult model_prices_and_context_window.json or the web to compensate for knowledge-cutoff staleness.

_{Reviews (1): Last reviewed commit: "chore: add latest model rule to CLAUDE.m..." | Re-trigger Greptile}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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