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6 Commits

Author SHA1 Message Date
a2nr 2a09ee77ab feat(embed): add raw HTML embed fence with bleach sanitization 
- Add embed markdown fence: user pastes raw embed HTML code
  (from Canva/YouTube/Google Docs Share→Embed) into lesson markdown
  and slide content. Backend sanitizes via bleach (whitelist
  tags/attrs/styles) + checks iframe src against domain blacklist
  (SSRF prevention). Frontend renders iframe directly — no lazy
  action needed.
- Backend: _process_embed_embeds + _sanitize_embed_html in
  lesson_service.py, applied to lesson_content, exercise,
  lesson_info, and slide loop. Graceful fallback if tinycss2
  missing (CSS unsanitized but tags/attrs still stripped).
- Tests: 9 pytest cases (Canva/YouTube HTML, script stripping,
  onclick stripping, blocked domain, non-https iframe, empty,
  unchanged, dangerous style).
- Frontend: remove renderEmbedEmbeds.ts + wire-up + .generic-embed
  CSS (URL-only approach from earlier iteration, superseded).
  Keep .embed-error CSS for error messages.
- Example: update test_slides.md with raw HTML Canva embed (slide)
  + YouTube embed (body).
- Deps: bleach>=6.0.0, tinycss2>=1.2.0 in requirements.txt.
- Docs: consolidate 4 plan files into docs/06-embed-content.md.
 2026-07-19 15:39:38 +07:00
a2nr 7384b6e585 feat: readable content: 2026-05-14 16:26:11 +07:00
a2nr 097f2c5609 feat: enhance lesson UI with centered images, bordered tables, and conditional output tab 2026-05-11 07:27:15 +07:00
a2nr d29c2f2e3e feat: Integrate CircuitJS1 into Elemes LMS 
- Added CircuitJSApi interface for simulator API interaction.
- Updated lesson page to support circuit simulation alongside code execution.
- Implemented separate output states for code and circuit evaluations.
- Enhanced lesson content rendering to include circuit embeds using markdown.
- Refactored backend to process circuit embed syntax and convert to HTML.
- Updated podman-compose configuration to include new environment variable for cursor offset.
- Created a proposal document outlining the feasibility and implementation plan for CircuitJS1 integration.
 2026-03-31 12:08:42 +07:00
a2nr d3acfcf825 update green check, button start, de-overwhelm +page, improve mobile ui, add progress page for teacher only, add sessionStorage. 2026-03-27 16:41:57 +07:00
a2nr d2b6d62b28 refactor to make it better 2026-03-25 09:39:51 +07:00