Refactor symbols app: split large files (max 300 lines)
- Split styles.css (1319 lines) into 6 CSS modules:
- base.css, layout.css, modal.css, text-generator.css, components.css, legend.css
- Split app.js (1219 lines) into 8 JS modules:
- core.js, custom.js, dxf.js, export.js, legend.js, legend-export.js, path-parser.js, utils.js
- Split symbols.js (870 lines) into 10 JS modules:
- index.js, schaeden.js, werkzeuge.js, bauteile.js, moebel.js, sanitaer.js, vermessung.js, vermessung-infra.js, vermessung-topo.js, init.js
- Updated index.html to load new modular files
All files now comply with 300-line maximum rule.
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>