Misc fixes

What's Changed

• build(deps-dev): bump stylelint from 16.14.0 to 16.14.1 in /frontend by @dependabot in #359
• build(deps-dev): bump vitest from 3.0.2 to 3.0.4 in /frontend by @dependabot in #361
• build(deps): bump serde_json from 1.0.137 to 1.0.138 in /backend by @dependabot in #363
• build(deps-dev): bump @sveltejs/kit from 2.16.1 to 2.17.0 in /frontend by @dependabot in #358
• build(deps-dev): bump @typescript-eslint/parser from 8.21.0 to 8.22.0 in /frontend by @dependabot in #362
• build(deps-dev): bump @eslint/js from 9.18.0 to 9.19.0 in /frontend by @dependabot in #360
• Frontmatter fix by @TheKrol in #356
• build(deps): bump dompurify from 3.2.3 to 3.2.4 in /frontend by @dependabot in #368
• build(deps): bump toml from 0.8.19 to 0.8.20 in /backend by @dependabot in #370
• build(deps): bump clap from 4.5.27 to 4.5.28 in /backend by @dependabot in #371
• build(deps-dev): bump vite from 6.0.11 to 6.1.0 in /frontend by @dependabot in #366
• build(deps-dev): bump @typescript-eslint/eslint-plugin from 8.20.0 to 8.23.0 in /frontend by @dependabot in #365
• build(deps-dev): bump vitest from 3.0.4 to 3.0.5 in /frontend by @dependabot in #369
• build(deps): bump jsonwebtoken from 9.3.0 to 9.3.1 in /backend by @dependabot in #372
• build(deps-dev): bump prettier from 3.4.2 to 3.5.0 in /frontend by @dependabot in #367
• Intoresponse by @TheKrol in #355
• build(deps): bump clap from 4.5.28 to 4.5.29 in /backend by @dependabot in #376
• build(deps-dev): bump @sveltejs/kit from 2.17.0 to 2.17.2 in /frontend by @dependabot in #381
• build(deps-dev): bump eslint from 9.18.0 to 9.20.1 in /frontend by @dependabot in #380
• build(deps-dev): bump svelte from 5.17.4 to 5.20.1 in /frontend by @dependabot in #379
• build(deps-dev): bump @eslint/js from 9.19.0 to 9.20.0 in /frontend by @dependabot in #378
• build(deps-dev): bump svelte from 5.20.1 to 5.20.2 in /frontend by @dependabot in #382
• build(deps-dev): bump @typescript-eslint/parser from 8.22.0 to 8.24.1 in /frontend by @dependabot in #383
• Frontend cleanup by @zleyyij in #375
• build(deps): bump marked from 15.0.6 to 15.0.7 in /frontend by @dependabot in #389
• build(deps-dev): bump svelte from 5.20.2 to 5.20.4 in /frontend by @dependabot in #391

Full Changelog: v2.1.1...V2.1.2