feat(watchlist): note parsing (frontmatter, My Notes, tmdb ref)

tests/watchlist-parse.test.ts

@@ -0,0 +1,57 @@
+import { describe, expect, test } from 'bun:test';
+import { parseNote, extractMyNotes, noteTmdbRef } from 'packages/obsidian/src/watchlist/parse';
+
+const NOTE = `---
+type: watchlist_item
+media_type: TV Series
+tmdb_id: 84958
+last_air_date: 2023-11-09
+watch_status: Watched
+---
+
+# Loki
+
+## My Notes
+
+great finale
+`;
+
+describe('parseNote', () => {
+	test('splits frontmatter and body', () => {
+		const { frontmatter, body } = parseNote(NOTE);
+		expect(frontmatter['tmdb_id']).toBe('84958');
+		expect(frontmatter['media_type']).toBe('TV Series');
+		expect(body).toContain('# Loki');
+	});
+	test('no frontmatter → empty fm, full body', () => {
+		const { frontmatter, body } = parseNote('# Just a heading');
+		expect(Object.keys(frontmatter).length).toBe(0);
+		expect(body).toBe('# Just a heading');
+	});
+});
+
+describe('extractMyNotes', () => {
+	test('extracts trailing section', () => {
+		expect(extractMyNotes(parseNote(NOTE).body)).toBe('great finale');
+	});
+	test('missing section → empty', () => {
+		expect(extractMyNotes('# T\n\ncontent')).toBe('');
+	});
+});
+
+describe('noteTmdbRef', () => {
+	test('canonical note', () => {
+		expect(noteTmdbRef({ tmdb_id: '84958', media_type: 'TV Series' })).toEqual({ tmdbId: '84958', isMovie: false });
+		expect(noteTmdbRef({ tmdb_id: '693134', media_type: 'Movie' })).toEqual({ tmdbId: '693134', isMovie: true });
+	});
+	test('quoted values stripped', () => {
+		expect(noteTmdbRef({ tmdb_id: '"84958"', media_type: '"TV Series"' })).toEqual({ tmdbId: '84958', isMovie: false });
+	});
+	test('raw Media DB note fallback (id + dataSource)', () => {
+		expect(noteTmdbRef({ id: '693134', dataSource: 'TMDBMovieAPI' })).toEqual({ tmdbId: '693134', isMovie: true });
+		expect(noteTmdbRef({ id: '84958', dataSource: 'TMDBSeriesAPI' })).toEqual({ tmdbId: '84958', isMovie: false });
+	});
+	test('no id → null', () => {
+		expect(noteTmdbRef({ type: 'list' })).toBeNull();
+	});
+});