feat(feishu): add Feishu inbound webhook, /gh commands and card actions

- add feishu_links D1 table and link store helpers
- implement X-Lark-Signature verification, url_verification, /gh login|logout|comment|merge|close and card.action.trigger Merge/Close
- render interactive cards with clickable title link, inline links and callback buttons (no whole-card card_link)
- bind Feishu account in OAuth callback
- document event subscription and required scopes

app/composables/useI18n.ts

@@ -143,6 +143,7 @@ const en: Dict = {
   "route.thread": "THREAD",
   "route.chat": "CHAT",
   "route.topic": "TOPIC",
+  "route.feishu": "Feishu",
   "route.fallback": "fallback",
   "route.stop": "stop",
   "route.moveUp": "Move up",
@@ -224,11 +225,13 @@ const en: Dict = {
   "routeEditor.threadNote": "(optional)",
   "routeEditor.threadPlaceholder": "Optional thread ID",
   "routeEditor.platform": "Platform",
+  "routeEditor.platformFeishu": "Feishu",
   "routeEditor.chat": "Chat ID",
   "routeEditor.chatPlaceholder": "Telegram group chat ID",
   "routeEditor.topic": "Topic ID",
   "routeEditor.topicNote": "(optional)",
   "routeEditor.topicPlaceholder": "Optional topic (message_thread_id)",
+  "routeEditor.feishuChatPlaceholder": "Feishu chat ID (chat_id)",
   "routeEditor.errChat": "Target {n} chat ID is required",
   "routeEditor.targets": "Targets",
   "routeEditor.targetsNote": "(one or more destinations)",
@@ -327,10 +330,12 @@ const en: Dict = {
   "groupEditor.logTarget": "Webhook log channel",
   "groupEditor.logTargetNote": "(optional)",
   "groupEditor.logDisabled": "— Disabled —",
+  "groupEditor.logFeishu": "Feishu",
   "groupEditor.logTargetHint":
-    "A Discord channel/thread or Telegram chat/topic that receives a summary of every webhook this group's routes dispatch.",
+    "A Discord channel/thread, Telegram chat/topic or Feishu chat that receives a summary of every webhook this group's routes dispatch.",
   "groupEditor.errLogChannel": "Log channel ID is required when Discord is selected",
   "groupEditor.errLogChat": "Log chat ID is required when Telegram is selected",
+  "groupEditor.errLogFeishuChat": "Log chat ID is required when Feishu is selected",
   "groupEditor.cancel": "Cancel",
   "groupEditor.save": "Save group",
   "groupEditor.errIdFormat": "ID must be a-z / 0-9 / dashes",
@@ -521,6 +526,7 @@ const zh: Dict = {
   "route.thread": "子区",
   "route.chat": "群组",
   "route.topic": "话题",
+  "route.feishu": "飞书",
   "route.fallback": "兜底",
   "route.stop": "停止",
   "route.moveUp": "上移",
@@ -601,11 +607,13 @@ const zh: Dict = {
   "routeEditor.threadNote": "（可选）",
   "routeEditor.threadPlaceholder": "可选的子区 ID",
   "routeEditor.platform": "平台",
+  "routeEditor.platformFeishu": "飞书",
   "routeEditor.chat": "群组 ID",
   "routeEditor.chatPlaceholder": "Telegram 群组聊天 ID",
   "routeEditor.topic": "话题 ID",
   "routeEditor.topicNote": "（可选）",
   "routeEditor.topicPlaceholder": "可选的话题 (message_thread_id)",
+  "routeEditor.feishuChatPlaceholder": "飞书群组 ID (chat_id)",
   "routeEditor.errChat": "第 {n} 个目标群组 ID 为必填项",
   "routeEditor.targets": "目标",
   "routeEditor.targetsNote": "（一个或多个推送目标）",
@@ -703,10 +711,12 @@ const zh: Dict = {
   "groupEditor.logTarget": "Webhook 日志频道",
   "groupEditor.logTargetNote": "（可选）",
   "groupEditor.logDisabled": "— 未启用 —",
+  "groupEditor.logFeishu": "飞书",
   "groupEditor.logTargetHint":
-    "一个 Discord 频道/子区或 Telegram 群组/话题，本分组路由分发（dispatch）的每个 webhook 都会向其发送摘要。",
+    "一个 Discord 频道/子区、Telegram 群组/话题或飞书群组，本分组路由分发（dispatch）的每个 webhook 都会向其发送摘要。",
   "groupEditor.errLogChannel": "选择 Discord 时必须填写日志频道 ID",
   "groupEditor.errLogChat": "选择 Telegram 时必须填写日志群组 ID",
+  "groupEditor.errLogFeishuChat": "选择飞书时必须填写日志群组 ID",
   "groupEditor.cancel": "取消",
   "groupEditor.save": "保存分组",
   "groupEditor.errIdFormat": "ID 只能是 a-z / 0-9 / 短横线",