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docs: note lightweight PDF engine (typst) as preferred over full texlive
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PDF export from Studio/pandoc still isn't shipped. Record the engine decision
in the living docs (README + AGENTS): pandoc is in the image but has no PDF
back-end, so export fails with 'xelatex not found'. Prefer a lightweight engine
— typst (~30 MB static binary, 'pandoc --pdf-engine=typst') which is small
enough it could ship in base rather than needing a separate ':latest-studio-tex'
variant; texlive-xetex (~600 MB) kept as the higher-fidelity fallback. Also drop
stale 'v1.3.0' pins (v1.3.0 already shipped without PDF) in favour of 'a future
release'. CHANGELOG history left untouched.
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2026-07-09 16:25:54 +02:00
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@@ -149,8 +149,12 @@ Currently published:
Planned for an upcoming minor release:
- `joakimp/pi-devbox:latest-studio-tex` — `-studio` plus `texlive-xetex`
for PDF export from Studio. Adds ~600 MB on top of `-studio`.
- **PDF export from Studio/pandoc** (a future minor release). Engine still to be decided.
A lightweight engine is preferred over a full TeX install:
- `typst` — single static binary (~30 MB), `pandoc --pdf-engine=typst`; light
enough it could ship in the base image (no separate `-tex` variant needed).
- `joakimp/pi-devbox:latest-studio-tex` — `-studio` plus `texlive-xetex`
(~600 MB on top of `-studio`); highest fidelity, kept as the fallback.
## Using pi-studio (`-studio` variant)
@@ -285,9 +289,11 @@ Assuming the compose file publishes `127.0.0.1:8765:8765` (see method B):
> until step 2 runs. If the browser can't connect, verify Studio is up
> (`/studio --status`) and the bridge is running (`ps aux | grep socat`).
> PDF export (`/studio-pdf`, `studio_export_pdf`) needs a LaTeX engine,
> which is **not** in `-studio` (only the planned `-studio-tex`). HTML
> export, KaTeX, Mermaid, and all REPL features work without it.
> PDF export (`/studio-pdf`, `studio_export_pdf`) needs a PDF engine, which is
> **not** in `-studio` (pandoc is present but has no engine, so export fails
> with `xelatex not found`). Planned for a future release — likely a lightweight
> engine such as `typst`, with `texlive-xetex` as the heavier fallback. HTML export,
> KaTeX, Mermaid, and all REPL features work without it.
### Graphviz diagrams in Studio: `dot-watch`