feat(stats): add slash entry and statistics webview

Author: k1yt

webview-ui/src/App.tsx

@@ -16,14 +16,15 @@ import HistoryView from "./components/history/HistoryView"
 import SettingsView, { SettingsViewRef } from "./components/settings/SettingsView"
 import WelcomeView from "./components/welcome/WelcomeViewProvider"
 import { MarketplaceView } from "./components/marketplace/MarketplaceView"
+import StatsView from "./components/stats/StatsView"
 import { CheckpointRestoreDialog } from "./components/chat/CheckpointRestoreDialog"
 import { DeleteMessageDialog, EditMessageDialog } from "./components/chat/MessageModificationConfirmationDialog"
 import ErrorBoundary from "./components/ErrorBoundary"
 import { useAddNonInteractiveClickListener } from "./components/ui/hooks/useNonInteractiveClick"
 import { TooltipProvider } from "./components/ui/tooltip"
 import { STANDARD_TOOLTIP_DELAY } from "./components/ui/standard-tooltip"
 
-type Tab = "settings" | "history" | "chat" | "marketplace"
+type Tab = "settings" | "history" | "chat" | "marketplace" | "stats"
 
 interface DeleteMessageDialogState {
 	isOpen: boolean
@@ -246,6 +247,7 @@ const App = () => {
 					targetTab={currentMarketplaceTab as "mcp" | "mode" | undefined}
 				/>
 			)}
+			{tab === "stats" && <StatsView onDone={() => switchTab("chat")} />}
 			<ChatView
 				ref={chatViewRef}
 				isHidden={tab !== "chat"}

webview-ui/src/components/chat/ChatView.tsx

@@ -615,6 +615,18 @@ const ChatViewComponent: React.ForwardRefRenderFunction<ChatViewRef, ChatViewPro
 		(text: string, images: string[]) => {
 			text = text.trim()
 
+			// Intercept exact "/stats" command before sending to the LLM.
+			// This opens the statistics tab without consuming tokens or
+			// interfering with the task lifecycle. Only exact "/stats"
+			// (no arguments, no images) is intercepted — "/stats foo" or
+			// "/stats" with attached images falls through to normal send.
+			if (text === "/stats" && images.length === 0) {
+				vscode.postMessage({ type: "switchTab", tab: "stats" })
+				setInputValue("")
+				setSelectedImages([])
+				return
+			}
+
 			if (text || images.length > 0) {
 				// Intercept when the active provider is retired — show a
 				// WarningRow instead of sending anything to the backend.