Fix function_call format for Codex API compatibility

Fix 404 for /v1/v1/messages and add count_tokens endpoint

Fix 400 error when Claude Code sends non-Codex model names

Add Chinese README link to README.md

Add Chinese README and update .gitignore

Add Anthropic Messages API (/v1/messages) with thinking support

Update README with reasoning, function calling, and param docs

Add reasoning/thinking output support (reasoning_content field)

Adapt all OpenAI/vLLM params, silently ignore unsupported ones

Security hardening, bug fixes, and README

Add database logging and JSONL export

Fix Codex API integration: use chatgpt.com/backend-api/codex/responses

Initial commit: Codex API Server project structure