URL = subject: one codec (evidenceAddress.ts) owns the address grammar for
every EvidenceSubject kind, including kinds whose routes are placeholders.
urlToSubject is a total inverse — malformed input yields null, never throws.
- Route params: /trace/:turnId?, /proposals/:proposalId?, /evals/:laneId?,
/replay/:artifactId? (placeholders keep flat paths)
- ?inspect= carries inspector subject + open state; EvidenceUrlSync restores
deep links and write-through syncs with replace (selection churn never
pollutes history); malformed values are dropped from the URL
- Proposals/Evals/Replay restore selection from their param on load, write it
on selection change (replace), and publish the selected subject to the
evidence context (identity at once, detail when the query resolves)
- EvidenceSubject.data now optional; inspectors render an honest
'detail not loaded' state for identity-only subjects
- Cmd+Shift+C copies origin + subjectToUrl(subject); no-op without subject;
input-focus guard; transient inline 'Copied' on the inspector header
- Fix pre-existing unbounded re-render loop in RightInspector.test.tsx
(render-phase setSubject); subjects now set from effects
Brief 4 of the Wave 1 evidence spine — wire the evidence-context architecture
so every route can project into one shared evidence manifold.
Command registry (1A):
- commandRegistry.ts: useSyncExternalStore-backed command store with a cached
snapshot (referentially stable to avoid render loops); useCommands /
useCommandRegistry; recent-items in localStorage (last 10).
- CommandPalette.tsx: reads from the registry; all ten routes are navigation
commands (was Chat/Proposals/Evals hardcoded); fuzzy filter, recent section,
shortcut badges; Router/Fallback split preserved.
- useGlobalKeyboard.ts: Cmd+K palette, Cmd+I inspector, Cmd+1-0 routes, ? help.
Evidence drawer (1B):
- evidenceContext.tsx: EvidenceSubject union (turn|proposal|artifact|
eval_result|none) + useEvidenceSubject hook + EvidenceProvider above the
router Outlet so inspector state persists across route transitions.
- RightInspector.tsx: five evidence projections (was a null stub); reuses the
Brief 2 primitives (MetadataTable, DigestBadge, Timestamp, badges).
- Shell.tsx: visibility driven by inspectorOpen (collapsed by default); no more
hardcoded collapsed=true.
- KeyboardHelp.tsx: shortcut reference dialog.
- TopBar.tsx: palette open state lifted to Shell via props.
Tests: evidenceContext + RightInspector specs added; CommandPalette keyboard
contract updated for the ten-command navigation set (clamp at both ends).
Deferred (noted in spine doc): per-route register()/setSubject call sites,
action-commands (run eval / copy hash), resizable inspector width.
Verified: tsc -b + vite build green; affected specs pass per-file.
