Merge pull request #236 from NOAA-GSL/relay/hh-pr-113

Codex Relay: zyra-project/zyra PR #113 — fix: overhaul print preview layout to fill full 3600px poster height

Author: Hackshaven

.gitignore

@@ -176,6 +176,10 @@ dmypy.json
 # Cython debug symbols
 cython_debug/
 
+# Poster generated artifacts (screenshots, previews)
+poster/html/screenshot-*.png
+poster/html/poster-preview.jpg
+
 # Ruff linter
 .ruff_cache/