Fix server-side cache to work with conditional GET#608

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skaphan wants to merge 9 commits intoartoonie:mainfrom

skaphan:fix-server-cache

Commits on Feb 24, 2026

Add proper cache control for embedded visualizations
skaphan
committed

Commits on Mar 4, 2026

Merge pull request #594 from skaphan/proper-cache-control
artoonie
authored

Commits on Mar 5, 2026

Commits on Mar 6, 2026

Commits on Mar 7, 2026

Add cache path tests: conditional GET, Last-Modified, no-cache, purge guard
skaphan
committed
Add test for server cache 304 via middleware pipeline
skaphan
committed
Add server cache tests for If-Modified-Since boundary cases
skaphan
committed