chore: update pi import to @earendil-works scope

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: benvinegar

src/podguy-startup.ts

@@ -1,7 +1,7 @@
 import { existsSync, readFileSync } from "node:fs";
 import { homedir } from "node:os";
 import { relative, resolve } from "node:path";
-import type { ExtensionAPI } from "@mariozechner/pi-coding-agent";
+import type { ExtensionAPI } from "@earendil-works/pi-coding-agent";
 
 const WIDGET_ID = "podguy-startup";
 const cwd = process.cwd();