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8c3e397d39
Red commit: aabe8143d1
## Summary
Drop `max-width: 1200px` on `.observers-page` in `public/style.css`. The
observers table is column-dense and already runs `data-priority`
auto-hide on narrower viewports, so the 1200px cap crushed columns on
wide monitors while the mobile hide-column CSS had already dropped
columns for narrower widths — the exact "starts auto-hiding but never
expands back" behavior described in #1846.
Removes the cap so the browser layout uses available viewport width (as
`.analytics-page` does).
## Change
- `public/style.css:2113` — remove `max-width: 1200px` from
`.observers-page`.
- `test-issue-1846-observers-width.js` — new regression guard. Parses
`.observers-page` rule from `style.css`; fails if a `max-width` cap
`<1600px` is re-introduced (matches the `.analytics-page` convention
referenced in triage).
- `.github/workflows/deploy.yml` — wire the new test into the frontend
unit test job.
## Test discipline
- Red commit `aabe8143`: test only, no CSS change — CI fails on
assertion (`max-width 1200px must be >= 1600px`).
- Green commit `665e88a6`: CSS fix — test passes.
## Browser verification
Browser tool unavailable in this session (gateway restart required).
Change is a pure CSS width-cap removal on a single class; no JS, no
HTML, no theming implications. The regression guard makes silent
reintroduction impossible.
## E2E assertion
Regression guard is source-grep, not DOM-level:
`test-issue-1846-observers-width.js:41` (`.observers-page` block
max-width allowlist). Justification: bug is a single declarative CSS
attribute; a DOM E2E for it would just assert
`getComputedStyle(...).maxWidth === 'none'`, which mirrors the source
assertion at higher cost. If a follow-up wants a Playwright
viewport-resize check, easy to add.
## Preflight
`bash ~/.openclaw/skills/pr-preflight/scripts/run-all.sh origin/master`
— clean on the green HEAD.
Fixes #1846
---------
Co-authored-by: corescope-bot <bot@corescope.dev>