feat: Add Line plugin (#1630)

* feat: add LINE plugin (#1630) (thanks @plum-dawg)

* feat: complete LINE plugin (#1630) (thanks @plum-dawg)

* chore: drop line plugin node_modules (#1630) (thanks @plum-dawg)

* test: mock /context report in commands test (#1630) (thanks @plum-dawg)

* test: limit macOS CI workers to avoid OOM (#1630) (thanks @plum-dawg)

* test: reduce macOS CI vitest workers (#1630) (thanks @plum-dawg)

---------

Co-authored-by: Peter Steinberger <steipete@gmail.com>

src/line/index.ts

@@ -0,0 +1,155 @@
+export {
+  createLineBot,
+  createLineWebhookCallback,
+  type LineBot,
+  type LineBotOptions,
+} from "./bot.js";
+export {
+  monitorLineProvider,
+  getLineRuntimeState,
+  type MonitorLineProviderOptions,
+  type LineProviderMonitor,
+} from "./monitor.js";
+export {
+  sendMessageLine,
+  pushMessageLine,
+  pushMessagesLine,
+  replyMessageLine,
+  createImageMessage,
+  createLocationMessage,
+  createFlexMessage,
+  createQuickReplyItems,
+  createTextMessageWithQuickReplies,
+  showLoadingAnimation,
+  getUserProfile,
+  getUserDisplayName,
+  pushImageMessage,
+  pushLocationMessage,
+  pushFlexMessage,
+  pushTemplateMessage,
+  pushTextMessageWithQuickReplies,
+} from "./send.js";
+export {
+  startLineWebhook,
+  createLineWebhookMiddleware,
+  type LineWebhookOptions,
+  type StartLineWebhookOptions,
+} from "./webhook.js";
+export {
+  handleLineHttpRequest,
+  registerLineHttpHandler,
+  normalizeLineWebhookPath,
+} from "./http-registry.js";
+export {
+  resolveLineAccount,
+  listLineAccountIds,
+  resolveDefaultLineAccountId,
+  normalizeAccountId,
+  DEFAULT_ACCOUNT_ID,
+} from "./accounts.js";
+export { probeLineBot } from "./probe.js";
+export { downloadLineMedia } from "./download.js";
+export { LineConfigSchema, type LineConfigSchemaType } from "./config-schema.js";
+export { buildLineMessageContext } from "./bot-message-context.js";
+export { handleLineWebhookEvents, type LineHandlerContext } from "./bot-handlers.js";
+
+// Flex Message templates
+export {
+  createInfoCard,
+  createListCard,
+  createImageCard,
+  createActionCard,
+  createCarousel,
+  createNotificationBubble,
+  createReceiptCard,
+  createEventCard,
+  createMediaPlayerCard,
+  createAppleTvRemoteCard,
+  createDeviceControlCard,
+  toFlexMessage,
+  type ListItem,
+  type CardAction,
+  type FlexContainer,
+  type FlexBubble,
+  type FlexCarousel,
+} from "./flex-templates.js";
+
+// Markdown to LINE conversion
+export {
+  processLineMessage,
+  hasMarkdownToConvert,
+  stripMarkdown,
+  extractMarkdownTables,
+  extractCodeBlocks,
+  extractLinks,
+  convertTableToFlexBubble,
+  convertCodeBlockToFlexBubble,
+  convertLinksToFlexBubble,
+  type ProcessedLineMessage,
+  type MarkdownTable,
+  type CodeBlock,
+  type MarkdownLink,
+} from "./markdown-to-line.js";
+
+// Rich Menu operations
+export {
+  createRichMenu,
+  uploadRichMenuImage,
+  setDefaultRichMenu,
+  cancelDefaultRichMenu,
+  getDefaultRichMenuId,
+  linkRichMenuToUser,
+  linkRichMenuToUsers,
+  unlinkRichMenuFromUser,
+  unlinkRichMenuFromUsers,
+  getRichMenuIdOfUser,
+  getRichMenuList,
+  getRichMenu,
+  deleteRichMenu,
+  createRichMenuAlias,
+  deleteRichMenuAlias,
+  createGridLayout,
+  messageAction,
+  uriAction,
+  postbackAction,
+  datetimePickerAction,
+  createDefaultMenuConfig,
+  type CreateRichMenuParams,
+  type RichMenuSize,
+  type RichMenuAreaRequest,
+} from "./rich-menu.js";
+
+// Template messages (Button, Confirm, Carousel)
+export {
+  createConfirmTemplate,
+  createButtonTemplate,
+  createTemplateCarousel,
+  createCarouselColumn,
+  createImageCarousel,
+  createImageCarouselColumn,
+  createYesNoConfirm,
+  createButtonMenu,
+  createLinkMenu,
+  createProductCarousel,
+  messageAction as templateMessageAction,
+  uriAction as templateUriAction,
+  postbackAction as templatePostbackAction,
+  datetimePickerAction as templateDatetimePickerAction,
+  type TemplateMessage,
+  type ConfirmTemplate,
+  type ButtonsTemplate,
+  type CarouselTemplate,
+  type CarouselColumn,
+} from "./template-messages.js";
+
+export type {
+  LineConfig,
+  LineAccountConfig,
+  LineGroupConfig,
+  ResolvedLineAccount,
+  LineTokenSource,
+  LineMessageType,
+  LineWebhookContext,
+  LineSendResult,
+  LineProbeResult,
+} from "./types.js";