feat: 支持opencode 自定义模型配置流程#4
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**问题**：LLM provider（如腾讯 MiMo）的内容安全策略偶发会拦截请求，返回 ACP `stopReason: 'refusal'`，此时 LLM 流被中断，assistant record 常常只有截断的 reasoning 没有 text，UI 显示为一条"空回复"，用户不知道发生了什么。 **实现**： prompt 返回后检查 `promptRes.stopReason`： - refusal / max_tokens / max_turn_requests 三种非正常结束原因：emit 一条 text 事件（⚠️ 开头的提示段），通过 makeEmitter 同时走两条通道： 1. messageBuilder.pushEvent → 作为 text part 持久化到 DB，刷新后仍可见 2. convertToSessionUpdate → agent_message_chunk SSE 事件，实时展示 - cancelled 不在此处处理（abort 走 catch 分支），end_turn 是正常完成。 **为什么 emit text 而不是 emit error**： error 被前端渲染为 log 级别的小字状态信息，而我们要的是把这段"为什么没有 回复"的解释**作为 assistant 回答的一部分**留在对话流里，让用户下次刷新也能 看到原因。
**现象**：云托管构建 `pnpm build` 报 `cp: cannot stat 'src/agent/runtime/opencode-tool-templates/*.ts'` → exit 1。 **根因**：提交 38114f1 把 opencode tool 模板从 `packages/server/src/agent/runtime/opencode-tool-templates/` 迁移到 `.opencode/tools/`（checked-in，不再需要安装步骤），但遗漏了两处清理： 1. `packages/server/package.json` build 尾部仍执行 `mkdir -p dist/.../opencode-tool-templates && cp src/.../opencode-tool-templates/*.ts ...`， 源目录已不存在 → cp 失败 → 整个 build 失败。 2. `Dockerfile` Stage 2 只拷贝 `dist/`，没拷 `.opencode/`，即便 build 能过运行时也会在 `getOpencodeConfigDir()` 找不到 tools。 **修复**： - package.json：删除 build 末尾的 mkdir/cp 片段，保留三个 tsup 步骤。 - Dockerfile：Stage 2 新增 `COPY --from=build /app/.opencode ./.opencode`。 resolveProjectRoot() 从 dist 向上找到含 packages/server 的 /app → 工具解析为 /app/.opencode/tools/*.ts，与源码运行一致。 - tsconfig.json：顺带清理已失效的 exclude 路径（保留 __tests__ 一行）。 本地验证：pnpm --filter @coder/server build、pnpm type-check、pnpm lint 全绿。
自 38114f1（tool 模板迁入 .opencode/tools/ 并 checked in）以来这些已无调用方： - TOOL_NAMES 常量 + ToolName 导出类型 - resolveTemplateDir()（定位 src/agent/runtime/opencode-tool-templates/， 而该目录已删除） - getInstallDir() - hashFile() + crypto import - InstallResult interface - ensureOpencodeToolsInstalled()（安装器本体） - 3 个对应的环境变量开关：OPENCODE_TOOL_TEMPLATE_DIR / OPENCODE_TOOLS_INSTALL_DIR / OPENCODE_TOOLS_FORCE_REINSTALL 保留两个仍在 opencode-acp-runtime.ts 使用的 export： - resolveProjectRoot() - getOpencodeConfigDir() 文件从 163 行缩到 53 行；顶部注释重写说明新架构（.opencode 签入 + Dockerfile COPY）并留下一句历史说明指向本次清理。
feat: 支持 token hub
fix: 优化 opencode 模型配置流程
Mrjing
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May 28, 2026
The dual-write mechanism in SessionStore (PR #4.6) already provides front-end message retrieval via getHistory(). The history-store module only had an interface definition and was never implemented. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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