Peter Steinberger f594a8f7c6 perf(ci): split straggler bin pairings and drop needless jsdom environments (#110477) ...

* perf(ci): drop compact bin cap to 190s to split straggler pairings

Fresh census from green run 29633628994: every fan-out job queues 65s,
the pack sits at ~160s, but compact-large-3 ran 195s because the 235s
cap let core-runtime-media-ui (hint 124) and core-unit-src-security
(hint 95) share one bin. A 190s cap forbids such pairings; the plan goes
from 21 to 25 compact bins and the hinted max drops accordingly, so the
run wall tracks the pack instead of one straggler. Costs ~4 extra
runners per run; wall is the optimization target.

* perf(test): run DOM-free Control UI tests in the node environment

35 ui/src test files whose transitive import closure never touches DOM
APIs or the lit runtime carried the ui config's jsdom default anyway; on
CI the per-file jsdom construction dominates the shard (environment
95.2s vs tests 59.4s in run 29633628994). Annotate them with the
repo-standard @vitest-environment node docblock (29 files in ui/ already
use it). Verified: full ui config run passes with the annotations; the
only failing files are three storage tests that fail identically on a
clean checkout under local Node 26 and are untouched here.

* chore: kick dropped push event for PR head ingest

2026-07-18 08:49:37 +01:00

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