kuaifan
184fb27680
feat(upload): 分片上传统一链路，5 场景突破单文件 1G 限制
- 新增 api/upload/{init,chunk,merge} 入口与 ChunkUpload 模块（5MB 分片、3 并发、Redis 状态机）
- 5 场景接入：文件柜 / 聊天 / 任务附件 / 头像&系统图片 / 编辑器粘贴
- 秒传：同用户同 hash 复用 FileContent 物理文件，零传输
- 续传：Redis + localStorage 双索引，24h TTL
- 与老接口对齐：pid 锁、≤300 上限、webkit_relative_path 目录递归、overwrite 替换语义
- init 阶段读 file_upload_limit 拦截超限，避免传完分片才报错
- DeleteTmpTask 加 tmp_chunks case 兜底清理 24h 未合并目录
- files 表新增 hash 列（migration）
- 前端 chunkedUpload wrapper：主线程 spark-md5 流式 + 指数退避重试
- ai-kb 同步：upload / file-upload-limit / upload-size-limit 三个 chunk
2026-06-30 04:30:09 +00:00
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