Phase 0: add src/index.ts shell — minimal ExtensionAPI entry for pi -e smoke.

Register empty session_start handler; real tracking and reinject logic follow in later phases.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/index.ts

@@ -0,0 +1,7 @@
+import type { ExtensionAPI } from "@earendil-works/pi-coding-agent";
+
+export default function skillReinject(pi: ExtensionAPI): void {
+	pi.on("session_start", () => {
+		// Phase 0 shell — hooks wired in later phases
+	});
+}