Code:
- Persist panelOpen to localStorage so panel stays open after reload
- Auto-open panel to Metadaten when document has no file (no prior state)
Tests:
- Nav active state: check bg-nav-active instead of text-brand-navy
(nav uses semantic tokens since dark mode refactor)
- Save button: use exact:true to avoid matching "Speichern & abschließen"
(new button was added alongside the plain "Speichern" button)
Note: annotation tests (documents.spec.ts:324, 356) are pre-existing
flaky failures due to test data contamination, not caused by this PR.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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