配置


## ⚙️ 常用配置（`/lark-config` 热改，立即生效并持久化）

| 配置键 | 默认 | 说明 |
| ------ | ---- | ---- |
| `groupPolicy` | `open` | 群聊触发策略：`open`（免 @ 全触发）/ `mention` / `keywords` / `reply` |
| `groupKeywords` | `["lark","bot"]` | `keywords` 模式下的触发词 |
| `agentPreset` | `ptc` | Agent preset（shipped：standard/ptc/minimal/cordis，或 GUI 自建 id；历史别名 `code` 会自动映射为 `ptc`） |
| `permissionMode` | `danger-full-access` | 权限：read-only / workspace-write / danger-full-access |
| `streaming.enabled` | `false` | CardKit 流式卡片（开=逐字打印） |
| `reactions.enabled` | `true` | 表情回执 |
| `allowlist` | `[]` | open_id 白名单，空 = 所有人可对话 |
| `denyList` | `[]` | 命令前缀拒绝兜底 |
| `workspaceRoot` | `` | 桥会话工作区根目录（空 = process.cwd()） |
| `attachments.retentionHours` | `168` | 入站图片/文件的保留时长（小时，默认 7 天；`0` = 永久保留）。默认存系统临时目录，到期自动清扫 |
| `attachments.dir` | `` | 入站媒体根目录覆盖（空 = 系统 tmpdir；重启生效） |

> 凭据（appId/appSecret）存放在 DSH credentials 服务，不进配置文件；`/lark setup` 扫码自动写入。

## ⚙️ Configuration (`/lark-config`, hot-reloaded & persisted)

| Key | Default | Meaning |
| --- | --- | --- |
| `groupPolicy` | `open` | group trigger: open / mention / keywords / reply |
| `agentPreset` | `ptc` | agent preset (standard/ptc/minimal/cordis or custom; legacy alias `code` maps to `ptc`) |
| `permissionMode` | `danger-full-access` | read-only / workspace-write / danger-full-access |
| `streaming.enabled` | `false` | CardKit streaming cards |
| `reactions.enabled` | `true` | reaction receipts |
| `allowlist` | `[]` | open_id allowlist (empty = everyone) |
| `denyList` | `[]` | command-prefix deny |
| `workspaceRoot` | `` | workspace root for bridge sessions |
| `attachments.retentionHours` | `168` | retention (hours) for inbound images/files (default 7 days; `0` = keep forever). Stored under the OS temp dir and swept by age |
| `attachments.dir` | `` | inbound media root override (empty = OS tmpdir; applies after reload) |

Credentials (appId/appSecret) live in the DSH credentials service, never in config files.

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