Rerun the search on Reset, and stop dumping logged-out users on the home page

[mikessh]

Four defects found walking the live site.

Reset filters left the table showing the old result set

reset() called filters.setDefault() and stopped. The panel cleared, the "Defaults changed"
marker went away, and the table below kept the previous filtered page and its Found: count.

Reproduced on production: filter MHC A by substring A*02 → Found: 143477. Press Reset
filters → chip gone, marker gone, counter still 143477. The two halves of the screen state
different things and the number people quote is the stale one.

Now re-runs the search, which costs the same one search that Refresh table already does.

Logged-out /annotations redirected to the home page

SessionAction.authorizedOnly sent unauthenticated requests to Application.index(). Opening
/annotations while logged out lands you on the front page with no message — it reads as a broken
link, not as "you need an account".

Now goes to Authorization.temporaryLogin, the same page the navbar's Login points at. Covers
every authorizedOnly call site: /annotations/*, Account.detailsPage, Account.changePassword,
logout, and the upload API. unauthorizedOnly (already-logged-in hitting a signup page) still
goes home, which is correct.

Two specs pinned the old target and now pin the new one; SessionActionSpec gained a comment
saying why, because "redirect somewhere" passed for years while the somewhere was wrong.

Evidence group titles were centred while stacked

The inner grid is ui three column stackable — below 768px it collapses to one column, and the
inline text-align: center left "Validation" floating in the middle of the panel with its own
checkboxes hard against the left edge. Left-aligned now, which sits above its own column at every
width.

Motif and structure Export buttons were illegible

opacity: 0.4 over rgba(0, 0, 0, 0.6) text ≈ 1.7:1 against white, well under the 4.5:1 floor.
They are not disabled — they are hover-to-reveal, and on touch there is no hover at all. I read them
as disabled myself before checking the DOM. 0.75 at rest, 1 on hover.

Verification

• sbt test — 213 passed, 0 failed (1 canceled, pre-existing).
• Backend compile clean under -Xfatal-warnings.
• Frontend has no local build (node 11 + yarn 1.x); CI is the compile gate.
• The Reset and redirect defects were both reproduced against live production first.

Not fixed, found while looking

• Browse pagination and the Found:/Total: counters live inside the table's <th>, so on a phone
  they scroll sideways out of view with the table.
• The disabled paired-chain + keeps cursor: pointer.
• Motif sidebar Collapse all / Clear selection are ui blue / ui orange — off-brand, and part
  of the deferred --ds-* token migration rather than a one-off.

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