[FEATURE] support for AGENTS.md

Preflight Checklist

• [x] I have searched existing requests and this feature hasn't been requested yet
• [x] This is a single feature request (not multiple features)

Problem Statement

Please start adhering to the standard set by the open source community.

CLAUDE.md is not a standard.

Proposed Solution

Claude must check if CLAUDE.md exists if not read AGENTS.md.

Alternative Solutions

Warn users that CLAUDE.md is going to be deprecated, switch to AGENTS.md filename.

Priority

Medium - Would be very helpful

Feature Category

CLI commands and flags

Use Case Example

I don't think a use case is needed to explain the need for standardization.

Additional Context

_No response_