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feat(ui): ModeBanner replaces DemoBanner + no silent mock-fallback

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Two related fixes so the app never silently presents itself as
a demo when it is in fact running against a real hub:

  - The orange 'Demo-Daten · KEINE Rechtsberatung' banner was
    hard-coded into every data screen, regardless of whether
    the active repository was the in-memory MockRepository or
    the live HubRepository. Replaced with ModeBanner, which
    picks one of three voices by repository.mode:

      demo      orange T4 — 'Demo-Daten · KEINE Rechtsberatung'
      hub-live  petrol     — 'Live aus Hub · <endpoint>'
      hub-down  warm-warn  — 'Hub nicht erreichbar — leere Liste'

  - main.dart's _pickRepository used to fall back to
    MockRepository whenever HubRepository.connect() came back
    unhealthy. That silently downgraded a live deployment to
    demo data, which is exactly what the user is trying to avoid.
    Removed: when useHub=true, the HubRepository is returned
    regardless. Its list() returns [] on hub-down, and the
    'hub-down' banner explains why the screens are empty.
    Mock data only shows when the user explicitly turns useHub
    off in the Hub-Reiter.

Also: legend arrow icons now point in the actual axis direction
(→ for Schaden, ↑ for Nutzen) instead of the bidirectional ↔/↕,
which suggested the axes ran both ways. Mini-chips and the
expanded legend rows are consistent.

Signed-off-by: flemming-it <sf@flemming.it>
This commit is contained in:
flemming-it 2026-06-18 15:57:50 +02:00
parent e6e9c0753d
commit 51beb332c4
6 changed files with 138 additions and 67 deletions
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18
app/lib/main.dart
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@ -16,16 +16,18 @@ void main() async {
/// Decide which repository to start with.
///
/// useHub=false → Mock, no probe (fast offline start)
/// useHub=true, healthy → HubRepository
/// useHub=true, NOT ok → MockRepository (graceful fallback;
/// UI banner shows hub-down so the
/// user can re-try from settings)
/// useHub=false → MockRepository, explicit opt-in to
/// demo data via the Hub-Reiter.
/// useHub=true → HubRepository regardless of probe
/// outcome. When unhealthy the
/// repository's list() returns [] and
/// the ModeBanner shows 'hub-down' —
/// no silent mock fallback that would
/// quietly demote the app to demo
/// mode.
Future<EvaluationRepository> _pickRepository(HubSettings settings) async {
if (!settings.useHub) return const MockRepository();
final hub = await HubRepository.connect(settings);
if (hub.isHealthy) return hub;
return const MockRepository();
return HubRepository.connect(settings);
}
class ReclaimApp extends StatelessWidget {