feat: add improved pi agent with observatory, dashboard, and pledge-now-pay-later

extensions/stop.ts

@@ -0,0 +1,41 @@
+/**
+ * Stop — Immediately interrupt the active chat session
+ *
+ * Registers a /stop slash command that aborts the current agent turn.
+ * Also supports /stop with a reason message for logging clarity.
+ *
+ * Usage: pi -e extensions/stop.ts
+ *
+ * Commands:
+ *   /stop           — abort the current agent turn immediately
+ *   /stop <reason>  — abort with a logged reason
+ */
+
+import type { ExtensionAPI, ExtensionContext } from "@mariozechner/pi-coding-agent";
+import { applyExtensionDefaults } from "./themeMap.ts";
+
+export default function (pi: ExtensionAPI) {
+	let activeCtx: ExtensionContext | undefined;
+
+	pi.on("session_start", async (_event, ctx) => {
+		applyExtensionDefaults(import.meta.url, ctx);
+		activeCtx = ctx;
+	});
+
+	pi.on("session_switch", async (_event, ctx) => {
+		activeCtx = ctx;
+	});
+
+	pi.registerCommand("stop", {
+		description: "Immediately interrupt the active agent turn. Usage: /stop [reason]",
+		handler: async (args, ctx) => {
+			activeCtx = ctx;
+			const reason = (args || "").trim();
+			ctx.abort();
+			const msg = reason
+				? `🛑 Session aborted: ${reason}`
+				: "🛑 Session aborted.";
+			ctx.ui.notify(msg, "warning");
+		},
+	});
+}