fix: apply cargo fmt and clippy fixes

feat: add native mode with direct API calls and identity normalization

Remove specific implementation mentions from proxy comparison note

Add note about existing proxy implementations having OpenClaw issues

Remove release and Claude Code badges, drop OpenClaw link from description

Move badges below title in README

Release v1.0.0

Bump actions/checkout from 4 to 6 (#1)

Move OpenClaw setup guide above CLI flags, clarify as LLM instructions

Fix all clippy warnings and rustfmt issues

Fix test: set current_block_is_text in delta test setup

Apply cargo fmt to entire codebase

Fix remaining rustfmt issues, reposition setup guide

Fix cargo fmt issues and polish README

Initial commit: Claude Code CLI proxy for OpenClaw