Remediate the dashboard-coverage and editor findings from the 2026-07-11 audit.
Close the group-surface gap: a GroupTabBar plus read-only surfaces for the v1.2
group data plane the dashboard previously exposed only via the CLI — vars,
secrets (names + timestamps only, never values), shared collections (KV/docs/
files browsers), scripts, triggers, routes, suppressions, extension points,
dead-letters, and ownership. All server data renders through Svelte's escaped
interpolation (no `{@html}`); each tab hits its existing
`/api/v1/admin/groups/{id}/...` read endpoint with independent loading/empty
state.
B7 — the CodeEditor `readOnly` prop is now reactive via a CodeMirror
Compartment, fixing the race where an authorized user opening a script on a warm
SPA nav got a permanently read-only editor (role resolved after mount). The
reconfigure preserves editor content.
A viewer lacking a read cap now sees a calm "you don't have permission" note on
every tab (structured LoadError + classifyError) instead of a red error panel,
generalizing the one-off Secrets 403 handling.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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