Initial commit: note-taking/task-tracking app with LLM integration scaffold

Vue 3 + TypeScript frontend with Pinia stores, markdown rendering (marked + DOMPurify),
wikilink/tag linkification, and autocomplete. Quart async backend with SQLAlchemy 2.0,
PostgreSQL ARRAY columns, task-note companion linking, backlinks, and note-to-task
conversion. Docker Compose setup with PostgreSQL 16 and Ollama.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/vite-env.d.ts

@@ -0,0 +1,7 @@
+/// <reference types="vite/client" />
+
+declare module "*.vue" {
+  import type { DefineComponent } from "vue";
+  const component: DefineComponent<object, object, unknown>;
+  export default component;
+}