paper-poster-html

# Paper Poster (HTML): measurement-gated poster generation One HTML file styled for an exact print canvas (`@page { size: W H }`), rendered to PDF via Playwright print emulation. **Iterate by measuring, not eyeballing** — the screen preview lies; only print emulation at the correct viewport tells the truth. Core gate machinery is adapted from [posterly](https://github.com/Chenruishuo/posterly) (MIT, © 2026 Ruishuo Chen — see `NOTICE.md` and `LICENSES/posterly-MIT.txt` in the mainline skill directory); ARIS adds style discipline gates, figure-provenance gates, the cross-model review loop, and the anti-patch-loop fix vocabulary. ## Why this skill exists (the failure it prevents) A predecessor pipeline produced a poster with **30+ colors, zero real paper figures, a screen-pixel canvas, and tiny formulas floating in oversized boxes**, then spent 12+ review rounds making it *worse* — each round added a new badge color or bespoke SVG patch. The cure is structural, not exhortative: 1. **Hard gates run before any aesthetic opinion** (alignment, style, assets must PASS first — a reviewer never sees an unmeasured poster). 2. **A closed fix vocabulary** — visual-review fixes can only touch design tokens, whole catalogued components, content rebalance, assets, or canvas choice. New inline styles / new hex values / bespoke decorations are structurally forbidden. 3. **Two-hue discipline as a machine check**, not a style suggestion. 4. **Real paper figures with provenance manifest**, or the gate fails. ## Mental model ``` paper (.tex / PDF) ──► content plan + claim→evidence audit (fresh reviewer agent) │ figures extracted ─────────┤ FIGURE_MANIFEST.json (provenance, sha256) (real paper figures ONLY) ▼ template scaffold ──► fill ──► run_gates.py ◄─── HARD, loop here preflight → style → asset → measure → polish │ all hard gates PASS ▼ executor visual review (≤3 issues × ≤3 rounds, fix-vocabulary only) │ score ≥ 9 ▼ final cross-model review (fresh reviewer agent, full HTML+PDF) │ pass ▼ verify-final → poster.pdf + GATE_REPORT.json ``` ## Constants - **SKILL_SCRIPTS** — helpers and templates are single-owner and ship inside the mainline skill (Arch C) at `skills/paper-poster-html/scripts/` and `skills/paper-poster-html/templates/`. Resolve them in this order: ```bash SKILL_HOME="" [ -d ".agents/skills/paper-poster-html/scripts" ] && SKILL_HOME=".agents/skills/paper-poster-html" if [ -z "$SKILL_HOME" ] && [ -z "${ARIS_REPO:-}" ] && [ -f .aris/installed-skills-codex.txt ]; then ARIS_REPO=$(awk -F'\t' '$1=="repo_root"{print $2; exit}' .aris/installed-skills-codex.txt 2>/dev/null) || true fi [ -z "$SKILL_HOME"