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+---
+date: 2026-04-15
+title: "更新日志 — 2026年4月15日"
+lang: cn
+author: ZhenYi
+---
+
+## 产品发布
+
+项目正式启动 — 一个融合 GitHub 风格代码管理与实时消息的自托管协作平台。
+
+## 前端
+
+- 上线"Command as Service"概念首页，展示平台作统一的命令驱动工作空间。
+- 侧边栏现在获取完整工作空间数据以确保导航准确。
+
+## 部署排版
+
+- 统一 Kubernetes Ingress 实现按域名路由到各服务。
+- 生产服务至少 2 副本，共确保高可用。
+- 持久卷在 Helm 卸载时受保护。
+- SMTP 邮件服务配置完成。
+- Nginx 动态上游 DNS 解析配置。
+- 所有部署模板支持镜像拉取密钥。
+
+## Git 基础设施
+
+- 迁移系统初始化，支持工作空间和项目。
+- 初始迁移移除外键约束以简化部署。
diff --git a/changelog/2026-04-15-en.mdx b/changelog/2026-04-15-en.mdx
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+---
+date: 2026-04-15
+title: "Changelog — April 15, 2026"
+lang: en
+author: ZhenYi
+---
+
+## Launch
+
+Initial project launch — a self-hosted collaboration platform combining GitHub-style code management with real-time messaging.
+
+## Frontend
+
+- Landing pages with "Command as Service" concept — showcasing the platform as a unified command-driven workspace.
+- Sidebar now fetches full workspace data for accurate navigation.
+
+## Deployment
+
+- Unified Kubernetes ingress with per-host routing for all services.
+- Minimum 2 replicas enforced for production services to ensure high availability.
+- Persistent volume claims protected from deletion during Helm uninstall.
+- SMTP email service configured with proper env vars.
+- Nginx resolver configured for dynamic upstream DNS resolution.
+- ConfigMap/Secret refactoring for cleaner deployment templates.
+- Image pull secrets support added to all deployment templates.
+
+## Git Infrastructure
+
+- Migration system initialized with workspace and project support.
+- All foreign key constraints removed from initial SQL migrations to simplify deployment.
diff --git a/changelog/2026-04-16-cn.mdx b/changelog/2026-04-16-cn.mdx
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+---
+date: 2026-04-16
+title: "更新日志 — 2026年4月16日"
+lang: cn
+author: ZhenYi
+---
+
+## 消息与房间
+
+- Redis 替代 NATS 作为消息队列核心，提升可靠性。
+- 消息发送采用乐观更新机制，立即显示同时后台确认。
+- 原子序列号防止消息乱序。
+- 重连采用指数退避抖动策略，避免连接风暴。
+- 修复了重复发送、订阅失效、编辑回滚等问题。
+
+## Git 与仓库
+
+- 后端现在返回 SSH 克隆 URL，为 Git 操作做好准备。
+- HTTP 和 SSH 传输协议均得到加固。
+- SSH 速率限制已移除，由基础设施层处理。
+- LFS 上传大小限制生效。
+- 存储路径在同步前进行存在性检查。
+
+## AI 与模型同步
+
+- 应用启动时自动同步上游模型，每小时自动更新。
+- 服务重构，移除硬编码的模型名称推断。
+
+## 前端与 SEO
+
+- 所有首页添加了 SEO 元标签（标题、描述）。
+- 首页内容全面围绕 "Command as Service" 品牌定位。
+- 修复了项目名称可用性检查（404 检测改进）。
+
+## 基础设施
+
+- Docker 镜像中安装了 Git。
+- Kubernetes operator CRD 定义完成。
+- WebSocket 支持自定义域名来源。
+- Cargo 依赖更新（russh 降级到 0.50.4）。
+
+## 文档
+
+- 分支保护、提交规范、gitflow 指南完成。
+- README 更新以反映 Redis pub/sub 架构。
diff --git a/changelog/2026-04-16-en.mdx b/changelog/2026-04-16-en.mdx
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+---
+date: 2026-04-16
+title: "Changelog — April 16, 2026"
+lang: en
+author: ZhenYi
+---
+
+## Messaging & Rooms
+
+- Redis replaces NATS as the message queue backbone for improved reliability.
+- Optimistic message sending — messages appear instantly while being confirmed server-side.
+- Atomic sequence numbers prevent message ordering issues.
+- Exponential backoff jitter for reconnection to avoid thundering herd.
+- Fixed double-send bug, stale subscriptions, and edited_at rollback on fetch failure.
+
+## Git & Repositories
+
+- SSH clone URLs now returned from backend — ready for git operations.
+- Git transport hardened for both HTTP and SSH protocols.
+- SSH rate limiting removed — handled at the infrastructure layer.
+- LFS upload size limits enforced.
+- Pool panic detection improved with diagnostic logging.
+- Storage path existence verified before sync operations.
+- SSH channel lifecycle logging added.
+
+## AI & Model Sync
+
+- Auto-sync OpenRouter models on app startup and every 10 minutes.
+- Service refactored to remove hardcoded model-name inference.
+
+## Frontend & SEO
+
+- SEO meta tags added to all landing pages (title, description).
+- Landing pages aligned with "Command as Service" brand across all sections.
+- Fixed project name availability check (404 detection improved).
+
+## Infrastructure
+
+- Docker images now include Git.
+- CRD definitions added for Kubernetes operator.
+- WebSocket origins allowed for custom domains.
+- Cargo dependency updates (russh downgrade to 0.50.4).
+
+## Documentation
+
+- Branch protection, commit conventions, and gitflow guides added.
+- README updated to reflect Redis pub/sub architecture.
diff --git a/changelog/2026-04-17-cn.mdx b/changelog/2026-04-17-cn.mdx
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+---
+date: 2026-04-17
+title: "更新日志 — 2026年4月17日"
+lang: cn
+author: ZhenYi
+---
+
+## 消息与房间
+
+- 消息现在通过 WebSocket 拉取（而非 HTTP），消除重复连接。
+- 缓存的聊天消息支持加载回应数据。
+- 回应弹出面板现在受控，选择后正确关闭。
+- 评论提交通道已修复，包含正确的回应类型和验证逻辑。
+- 房间设置面板中显示模型名称而非 UUID。
+- IndexedDB 缓存实现即时加载，无需等待 WebSocket 连接。
+- 滚动性能通过调整虚拟化采样窗口得到提升。
+
+## AI 与模型同步
+
+- 模型同步稳定性改进，错误处理更加完善。
+- AI 对话流处理修复 — 流式传输现已可靠。
+- 房间 AI 表迁移新增 stream 列。
+
+## Git 与仓库
+
+- 基于 Redis 的 hook 工作者支持按仓库分布式锁定。
+- 默认分支统一使用 refs/heads/* 格式。
+- 多个分支和上游查询 bug 已修复。
+- API 路由排序修复，防止阴影隐藏（分支/引用/提交）。
+- Hook 池重构，同步执行改为直接顺序模式。
+
+## 前端
+
+- SPA 静态资源可在编译时嵌入到应用二进制。
+- 提及系统基于 AST 重构，渲染更可靠。
+- 提及弹出面板优化了缓存和稳定引用。
+- 重连优先使用现有 token 再请求新的。
+
+## 性能
+
+- 滚动处理简化，回调引用更稳定。
+- IndexedDB 优先加载，消息即时显示。
+- 虚拟化采样窗口增大到 30。
diff --git a/changelog/2026-04-17-en.mdx b/changelog/2026-04-17-en.mdx
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+---
+date: 2026-04-17
+title: "Changelog — April 17, 2026"
+lang: en
+author: ZhenYi
+---
+
+## Messaging & Rooms
+
+- Message fetching now uses WebSocket (not HTTP), eliminating duplicate connections.
+- Reactions now work for cached messages via WebSocket-first fallback.
+- Reaction popover is now controlled — closes properly after selection.
+- Comment submissions fixed with correct reaction types and validation.
+- Model names now display instead of UUIDs in room settings panel.
+- IndexedDB cache loads instantly without waiting for WebSocket connection.
+- Batch reactions endpoint added for HTTP fallback.
+- Scroll performance improved with virtualizer overscan increase.
+
+## AI & Model Sync
+
+- Model sync robustness improved with refined error handling.
+- AI conversation stream handling fixes — streaming now reliable.
+- Room AI table migration adds missing stream column.
+
+## Git & Repositories
+
+- Redis-backed hook worker with per-repo distributed locking.
+- Default branch now uses refs/heads/* format consistently.
+- Multiple branch and upstream query bugs fixed.
+- Route order fixes prevent API shadowing (branches/refs/commits).
+- Hook pool refactored — sync execution is now direct and sequential.
+- Deployments updated with git-hook PVC mount and env configuration.
+
+## Frontend
+
+- SPA assets can now be embedded into the app binary at compile time.
+- Mentions redesigned with AST-based processing for reliable rendering.
+- MentionPopover optimized with caching and stable refs.
+- Reconnection tries existing token before requesting new one.
+
+## Performance
+
+- Scroll handler simplified, callback refs stabilized.
+- IndexedDB prioritized for instant message loads.
+- Overscan increased to 30 for smoother scrolling.