fix(pdf): reconcile writer with notes and handout masters (PDFW)

Preserve notes and handout master export, visible text and native parallel
compression while propagating shared font errors through each export path.
Keep the dependency check accurate for native and WASM feature resolution.

PR #708.

ATTRIBUTION.md

@@ -7,6 +7,8 @@ fails if a file under `assets/`, `docs/images/` or `docs/brand/` is missing from
 DeckCraft contains **no Microsoft, Adobe, Avid or Autodesk iconography, images, fonts, themes,
 templates or other assets**. Its themes, colour schemes, layouts, preset-shape geometry, sample
 deck and UI icons are original work of the DeckCraft contributors (drawn or generated in code).
+Icons placed from Insert › Icons are Lucide paths (ISC; Feather-derived icons MIT), not Microsoft
+artwork. The ribbon and menu icons stay original drawings.
 
 ## In this repository
 
@@ -26,11 +28,14 @@ deck and UI icons are original work of the DeckCraft contributors (drawn or gene
 | `docs/images/editor.png`, `docs/images/shape-format.png`, `docs/images/format-pane.png`, `docs/images/slide-sorter.png`, `docs/images/dark-mode.png`, `docs/images/sample-deck.png` | DeckCraft contributors | Screenshots of DeckCraft and slides rendered by `deckcraft-cli` from the built-in sample deck (original content; Inter font, OFL-1.1) | MIT OR Apache-2.0 | README screenshots |
 | `crates/media/tests/fixtures/tone*` (`tone.mp3`, `.m4a`, `.aac`, `.ogg`, `.opus`, `.flac`, `.wma`, `tone-alac.m4a`) | DeckCraft contributors | synthesised 0.5 s 440 Hz sine, encoded by `crates/media/tests/fixtures/make.sh` (ffmpeg as the encoder only) | CC0-1.0 | Audio decoding tests |
 | `crates/media/tests/fixtures/clip-*` (`clip-h264.mp4`, `clip-h264.mov`, `clip-hevc.mp4`, `clip-vp9.webm`, `clip-av1.mkv`) | DeckCraft contributors | 6 frames of a colour gradient generated by `make.sh` (python3), encoded by ffmpeg (x264 / x265 / libvpx / SVT-AV1 as encoders only) | CC0-1.0 | Video decoding tests |
+| `crates/media/tests/fixtures/damaged/*` (`ebml-header.mkv`, `ebml-position.webm`, `demux-loop.mp4`, `demux-loop.m4a`) | DeckCraft contributors | the `clip-*` and `tone*` fixtures above with bytes changed by a mutation fuzzer | CC0-1.0 | Damaged media must not panic or hang |
+| `crates/media/tests/fixtures/damaged/*` (`stsc-count.m4a`, `stsz-size.m4a`) | DeckCraft contributors | `tone.m4a` above with bytes changed by a mutation fuzzer | CC0-1.0 | Damaged MP4 sample tables must not abort |
 | `crates/media/tests/fixtures/make.sh` | DeckCraft contributors | this repository | MIT OR Apache-2.0 | Regenerates the media fixtures |
 | `crates/render/tests/fixtures/colr-squares.ttf` | DeckCraft contributors | two squares as a COLRv0/CPAL test font, built by `make_colr_font.py` (fontTools as the builder only) | CC0-1.0 | Colour glyph rendering tests |
 | `crates/fonts/tests/fixtures/legacy-semibold.ttf` | DeckCraft contributors | a one-glyph Semibold face named like Segoe UI Semibold (its Windows family differs from the typographic one), built by `make_legacy_font.py` (fontTools as the builder only) | CC0-1.0 | Font lookup by Windows family name tests |
 | `crates/fonts/tests/fixtures/legacy-regular.ttf` | DeckCraft contributors | the same family's one-glyph Regular face, built by `make_legacy_font.py` (fontTools as the builder only) | CC0-1.0 | Font lookup by Windows family name tests |
 | `crates/render/tests/fixtures/make_colr_font.py` | DeckCraft contributors | this repository | MIT OR Apache-2.0 | Regenerates the COLR test font |
+| Lucide icon paths in `crates/engine/src/icon_data.rs` (Insert › Icons) | Lucide Contributors; Feather icons by Cole Bemis | https://github.com/lucide-icons/lucide/tree/440a1e1dfb1e712505308da46bead3c28b1f1398/icons (release 1.56.0, 2026-10-13) | ISC; MIT for the Feather-derived icons named in that commit's LICENSE | Stroke icons inserted as shapes |
 
 ## Bundled through dependencies