Merge branch 'fork/Xbang0222/fix/image-429-cascade-clean'

fix: resolve image generation 429 cascade returning 502 to clients

feat: 最小侵入兼容 images edits JSON 请求体

fix: report invalid token refresh failures

增加图片管理、日志管理，优化敏感词等场景

feat: add anthropic messages endpoint

fix helper image extraction to use latest user turn

feat: support multiple reference images in /v1/chat/completions for image editing

Fix account detection and text conversation handling

feat(chatgpt): 添加图像模型支持和提示提取功能

重构后端服务，增加文本生成模型