fabi a084ba86c5 fix(review): CSP nonce for FOUC script + feed_delta truncation signal ...

Two items surfaced by the branch re-review:

CSP regression (blocking): script-src 'self' blocked the template-authored
anti-FOUC theme script in app.html — SvelteKit's mode:'auto' only hashes
scripts it injects. Added nonce="%sveltekit.nonce%" so it's substituted per
request and included in the CSP (survives future edits, unlike a pinned hash).
Verified: emitted CSP nonce matches the script tag; no violation, no flash.

feed_delta silent truncation: the LIMIT 200 (added earlier to kill the
stale-`since` DoS) returned only the newest slice with no signal, so a client
that missed 200+ uploads during a reconnect could not tell it should full-
refresh — the older missed uploads were dropped and unrecoverable (the next
delta advances `since` past them). DeltaResponse now carries `truncated`; the
feed's feed-delta handler calls loadFeed(true) to resync from page 1 instead
of merging a partial slice.

Verified: cargo check clean, svelte-check 0 errors, production build green.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-07-01 21:51:08 +02:00

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