- Slide grid now 1-2-3 columns (4x larger thumbnails)
- Delete button left, fullscreen right, always visible (no hover)
- Upload area appears inline as last grid item (no side-by-side layout)
- SlideUploader supports inline mode for grid integration
- Add recursive collapsible JsonTreeViewer component (no external deps)
- Replace raw JSON pre tags in API logs with tree viewer
- Add response_body longText column to api_request_logs table
- Store serialized response (max 500KB) in ChurchToolsService::logApiCall
- Add GET /api-logs/{log}/response-body endpoint for lazy loading
- Replace static 'Array mit X Einträgen' with collapsible JSON viewer
- Response body fetched on-demand when user clicks to expand
