The backups.html restore panel fetched /api/backup/snapshots (a restic-era route
that no longer existed), so the snapshot dropdown never populated and the
"Visszaállítás indítása" button could never enable — customers could not restore
anything from the UI (drill finding F1, DRILL-appdata-restore-2026-07-04).
- backup.Manager.ListRestorePoints: the keep-side restore has exactly ONE restore
point per app (the current recovery unit); time = newest artifact mtime among
manifest/db-dumps/volume-dumps; tier always 1 (Tier-2 copies are NOT restorable
via POST /backup/restore — never listed); drive_label from the storage registry,
empty for the SSD fallback.
- api: /backup/snapshots route + validStackParam guard (same semantics as
web.validStackName; traversal → 400, unknown stack → 404, no unit → ok+[]).
- Tests dispatch through Router.ServeHTTP (the bug WAS a missing route) + unit
tests for newest-mtime/label/empty semantics. Companion red-proof: hollow
always-[] implementation fails TestListRestorePoints_UnitOnDisk +
TestBackupSnapshots_UnitOnDisk (verified, reverted).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PSK5g6qYLknKj8u3QAFEr6
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