feat(seer): Autofix Overview — status-grouped triage board with narrative cards

[jshchnz]

Reworks the Autofix Overview (/issues/autofix/overview/, from #119794) into a Linear-style triage board: cards grouped under sticky status sections, each card a single narrative — what broke, what Seer changed, what you do next. Frontend only; everything rendered derives from data the rows already carried.

Status groups (Linear-style)

Cards live under collapsible sticky sections in fixed triage order — Needs your input → Awaiting your review → Code changes ready → Ready to generate code → Errored → Needs investigation → Running → Merged — derived from the run's attention state (Needs investigation = settled diagnosis-only runs whose next steps are manual; no pipeline button ≠ nothing to do).

• Headers (icon + label + count badge) park below the top bar while their section scrolls and get pushed off by the next header (Sticky + Disclosure); collapse state persists per user in localStorage; empty groups don't render; a quiet Collapse-all/Expand-all toggle sits on the filter row.
• Hovering a section icon shows the pipeline checklist — "N steps until issue fix" with ✓/○ rows for staged groups, a one-line description for variable-stage ones.
• The old "Needs you first" sort retired into the group order; the Sort select orders within groups (Recent activity / Most events, resetting the pagination cursor).

Card anatomy

ECharts tooltip crashes when chart data refreshes while hovering   [1 file +11 −1]
409 events · 317 users · 5 days ago
⊙ ROOT CAUSE
TooltipView re-shows tooltips using stale series indices after a data update.
-o- PROPOSED FIX
Adds a useEffect in baseChart.tsx that dispatches hideTip whenever series changes…
[+11 −1  static/app/components/charts/baseChart.tsx                          ⌄]
[⌥ Review PR]                                        ▎JAVASCRIPT-3A3N  ⬡ javascript

• Thought order, one voice: LLM headline title (lg, matching feed rows) over a vitals subline, then Root cause (one sentence — the tightened prompt owes only the why), Proposed fix, and on fix-less cards a single-sentence Next steps. No boxes, no expand toggles — the whole analysis reads on the face, lg air between blocks.
• Prompts (runQuestions.tsx, self-invalidating cache): the Diagnosis/summary question is removed (overlapped root cause); the notes prompt returns one sentence, empty on fix cards, and is forbidden from suggesting "have Seer generate the fix" (that's the card's button).
• Inline file differ for small fixes (≤2 files, ≤25 changed lines, ≤60 rendered hunk lines): collapsed FileDiffViewer headers expanding the syntax-highlighted diff in place — the Seer drawer's own renderer. Oversized diffs keep the stat pill + hover file list (left-truncated paths).
• Tail row: the state verb (Review PR / Generate code / View run / Retry / Merged, sm scale) anchors the bottom left with the #PR link; level line + short id + project badge (linking to its project) sit right as provenance.

Page chrome

• Title in the app's slim top bar (Layout.Title → TopBar slot) with the description as its info tip; no in-content h1, header buttons, stat cards, or width caps.
• Project selector (ProjectPageFilter in PageFiltersContainer) leads the filter row (Outcome / Needs attention / Activity / Sort); the selection replaces the issues request's hardcoded project: -1 and scopes the whole page.

Deep-link focus mode

?id=<issueId> renders that issue as a single card with inline diffs expanded, fetched by group id so it resolves outside the list's filters/pagination/project selection; list chrome hides and an "All issues" link clears the param.

Follow-up

#120170 (backend, separate per deploy split) exposes mergeableState on the group pull-requests endpoint for a future merge-readiness badge next to the PR link.

14 tests cover the grouping/collapse behavior, section order, differ gating, project scoping, and focus mode.

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