feat(ext): handcraft the whole ext from scratch

AI coding doesn't work for MV3 extensions.
Threading was an unfixable mess.
Removed everything and rebuilt by hand.

packages/extension/src/agent/TabsController.background.ts

@@ -0,0 +1,112 @@
+/**
+ * background logics for TabsController
+ */
+import type { TabAction } from './TabsController'
+
+export function handleTabControlMessage(
+	message: { type: 'TAB_CONTROL'; action: TabAction; payload: any },
+	sender: chrome.runtime.MessageSender,
+	sendResponse: (response: unknown) => void
+): boolean {
+	if (message.type !== 'TAB_CONTROL') {
+		sendResponse({ error: 'Invalid message type' })
+		return false
+	}
+
+	const { action, payload } = message
+
+	switch (action as TabAction) {
+		case 'get_active_tab': {
+			chrome.tabs
+				.query({ active: true, currentWindow: true })
+				.then((tabs) => {
+					const tabId = tabs.length > 0 ? tabs[0].id || null : null
+					sendResponse({ success: true, tabId })
+				})
+				.catch((error) => {
+					sendResponse({ error: error instanceof Error ? error.message : String(error) })
+				})
+			return true // async response
+		}
+
+		case 'get_tab_info': {
+			chrome.tabs
+				.get(payload.tabId)
+				.then((tab) => {
+					const result = { title: tab.title || '', url: tab.url || '' }
+					sendResponse(result)
+				})
+				.catch((error) => {
+					sendResponse({ error: error instanceof Error ? error.message : String(error) })
+				})
+			return true // async response
+		}
+
+		case 'open_new_tab': {
+			chrome.tabs
+				.create({ url: payload.url, active: false })
+				.then((newTab) => {
+					// @todo: wait for tab to be fully loaded
+					sendResponse({ success: true, tabId: newTab.id, windowId: newTab.windowId })
+				})
+				.catch((error) => {
+					sendResponse({ error: error instanceof Error ? error.message : String(error) })
+				})
+			return true // async response
+		}
+
+		case 'create_tab_group': {
+			chrome.tabs
+				.group({ tabIds: payload.tabIds, createProperties: { windowId: payload.windowId } })
+				.then((groupId) => {
+					console.log('Created tab group', groupId)
+					sendResponse({ success: true, groupId })
+				})
+				.catch((error) => {
+					console.error('Failed to create tab group', error)
+					sendResponse({ error: error instanceof Error ? error.message : String(error) })
+				})
+			return true // async response
+		}
+
+		case 'update_tab_group': {
+			chrome.tabGroups
+				.update(payload.groupId, payload.properties)
+				.then(() => {
+					sendResponse({ success: true })
+				})
+				.catch((error) => {
+					sendResponse({ error: error instanceof Error ? error.message : String(error) })
+				})
+			return true // async response
+		}
+
+		case 'add_tab_to_group': {
+			chrome.tabs
+				.group({ tabIds: payload.tabId, groupId: payload.groupId })
+				.then(() => {
+					sendResponse({ success: true })
+				})
+				.catch((error) => {
+					sendResponse({ error: error instanceof Error ? error.message : String(error) })
+				})
+			return true // async response
+		}
+
+		case 'close_tab': {
+			chrome.tabs
+				.remove(payload.tabId)
+				.then(() => {
+					sendResponse({ success: true })
+				})
+				.catch((error) => {
+					sendResponse({ error: error instanceof Error ? error.message : String(error) })
+				})
+			return true // async response
+		}
+
+		default:
+			sendResponse({ error: `Unknown action: ${action}` })
+			return false
+	}
+}