fix: reduce active celebration workload and restore node and navigation feedback

wechat-campaign-200-r2/build-fonts.py

@@ -13,7 +13,8 @@ from fontTools.varLib.instancer import instantiateVariableFont
 root = Path(__file__).resolve().parent
 corpus = ''.join(p.read_text(encoding='utf-8') for p in (root / 'src').rglob('*')
                  if p.suffix in ('.mjs', '.json'))
-chars = ''.join(sorted(set(corpus + ''.join(chr(i) for i in range(32, 127)) + '✓→…！：·')))
+previous_chars = json.loads((root / 'fonts' / 'manifest.json').read_text(encoding='utf-8')).get('characters', '')
+chars = ''.join(sorted(set(corpus + previous_chars + ''.join(chr(i) for i in range(32, 127)) + '✓→…！：·')))
 manifest = {'generator': 'fonttools', 'sources': [], 'outputs': [], 'characters': chars}
 for family, weights in [('notosanssc', [500, 600, 700]), ('nunito', [800])]:
     source = root / '.font-sources' / (family + '.ttf')