Pre-release polish: /new ~800px overflow, page titles, multipart burn validation #308

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fen wants to merge 4 commits from fix-prerelease-polish-r2 into dev
pull from: fix-prerelease-polish-r2
4 Commits
Author SHA1 Message Date
fen 6e68889b35 Reject negative multipart burn_after_reads via parseBurnAfterReads
CI / test (pull_request) Successful in 22s
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2026-10-16 16:59:41 -05:00
fen 135e0d2dc7 Reject malformed multipart burn_after_reads with 400
CI / test (pull_request) Successful in 21s
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handleCreatePasteMultipart silently dropped non-numeric
burn_after_reads values (err == nil guard), so burn_after_reads=abc
created a 201 paste with NO burn budget. Now returns 400 with the
error+code shape ({'code':'burn_invalid'}) matching the JSON path,
where an invalid value fails unmarshal into the int field. An empty
value stays 'unset' like the JSON path's omitempty. Verified live:
burn_after_reads=abc -> 400 burn_invalid; =2 -> 201.
2026-10-16 16:52:29 -05:00
fen b4c23a09bf Add page <title> to every rendered page
layout.html now emits <title>{{ pageTitle . }} · Palette</title>; the
pageTitle template func maps the Page field to a label (New paste,
Public pastes, Saved, Settings, paste title or 'Paste <id>', Unlock,
Can, Not found).
2026-10-16 16:52:29 -05:00
fen 1c08647742 Fix /new horizontal overflow at ~800px viewports
The .deck grid used '1fr 300px'; the 1fr editor column could not shrink
below its min-content, expanding the grid to ~1000px at 800px viewports
and pushing .pane-r to right=980 (document.scrollWidth 980 vs
innerWidth 800). Use minmax(0, 1fr) so the editor column can shrink;
the editor itself already clips/scrolls its own content.

Verified with a CDP overflow probe at 800x600, 375x812, 1400x900 and
700x600: scrollWidth == innerWidth at all four.
2026-10-16 16:52:29 -05:00