- New runs are tagged on dispatch with dataset:<id> / algorithm:<short> /
N:<n> / T:<t> / J:<j> (single value per axis).
- /runs accepts ?dataset=&algorithm=&N=&T=&J= and applies Prefect's
tags: {all_: [...]} server-side. Without filter, fetch cap is 10; with
filter, 50 so narrow results aren't truncated. Prefect's own 200-limit
on filter queries is clamped inside recent_runs.
- New /runs/axes.json returns the universe of chip values across the last
200 deployment runs so the chip bar shows history even when the current
slice is narrow.
- runs-filter.js rewritten to cassette-style single-select: clicking the
selected chip releases it. No 'all'/'none' meta chips. Chip state feeds
#runs-slot via hx-vals; a filter-changed custom event triggers an
immediate refetch on change, in addition to the 3s poll.
- Prefect client gets an update_tags(run_id, tags) helper.
- scripts/backfill_tags.py PATCHes tags onto every existing deployment
run (dry-run by default, --apply to commit).
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