# TECH-CHANGELOG



This changelog documents technical and developer-relevant changes included in public releases. For development workspace changes, see DEV-CHANGELOG.md. Not all changes here are reflected in the user-facing changelog (`program-info.json`), and not all UI/feature changes are repeated here. Some changes (e.g., backend refactoring, API adjustments, infrastructure, developer tooling, or internal logic) may only appear in TECH-CHANGELOG.md. For UI/feature changes, see `dashboard/public/program-info.json`.

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## 2025.1.0-alpha.11 (2025-10-16)

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## 2025.1.0-alpha.11 (2025-10-16)
- ✨ Settings page: New tab layout (Syncfusion) with role-based visibility – Tabs: 📅 Academic Calendar, 🖥️ Display & Clients, 🎬 Media & Files, 🗓️ Events, ⚙️ System.
- 🛠️ Settings (Technical): API calls now use relative /api paths via the Vite proxy (prevents CORS and double /api).
- 📖 Docs: README updated for settings page (tabs) and system settings API.

## 2025.1.0-alpha.10 (2025-10-15)
- 🔐 Auth: Login and user management implemented (role-based, persistent sessions).
- 🧩 Frontend: Syncfusion SplitButtons integrated (react-splitbuttons) and Vite config updated for pre-bundling.
- 🐛 Fix: Import error ‘@syncfusion/ej2-react-splitbuttons’ – instructions added to README (optimizeDeps + volume reset).

## 2025.1.0-alpha.9 (2025-10-14)
- ✨ UI: Unified deletion workflow for appointments – all types (single, single instance, entire series) handled with custom dialogs.
- 🔧 Frontend: Syncfusion RecurrenceAlert and DeleteAlert intercepted and replaced with custom dialogs (including final confirmation for series deletion).
- 📖 Docs: README and Copilot instructions expanded for deletion workflow and dialog handling.

## 2025.1.0-alpha.8 (2025-10-11)
- 🎨 Theme: Migrated to Syncfusion Material 3; centralized CSS imports in main.tsx
- 🧹 Cleanup: Tailwind CSS completely removed (packages, PostCSS, Stylelint, config files)
- 🧩 Group management: "infoscreen_groups" migrated to Syncfusion components (Buttons, Dialogs, DropDownList, TextBox); improved spacing
- 🔔 Notifications: Unified toast/dialog wording; last alert usage replaced
- 📖 Docs: README and Copilot instructions updated (Material 3, centralized styles, no Tailwind)

## 2025.1.0-alpha.7 (2025-09-21)
- 🧭 UI: Period selection (Syncfusion) next to group selection; compact layout
- ✅ Display: Badge for existing holiday plan + counter ‘Holidays in view’
- 🛠️ API: Endpoints for academic periods (list, active GET/POST, for_date)
- 📅 Scheduler: By default, no scheduling during holidays; block display like all-day event; black text color
- 📤 Holidays: Upload from TXT/CSV (headless TXT uses columns 2–4)
- 🔧 UX: Switches in a row; dropdown widths optimized

## 2025.1.0-alpha.6 (2025-09-20)
- 🗓️ NEW: Academic periods system – support for school years, semesters, trimesters
- 🏗️ DATABASE: New 'academic_periods' table for time-based organization
- 🔗 EXTENDED: Events and media can now optionally be linked to an academic period
- 📊 ARCHITECTURE: Fully backward-compatible implementation for gradual rollout
- ⚙️ TOOLS: Automatic creation of standard school years for Austrian schools

## 2025.1.0-alpha.5 (2025-09-14)
- Backend: Complete redesign of backend handling for group assignments of new clients and steps for changing group assignment.

## 2025.1.0-alpha.4 (2025-09-01)
- Deployment: Base structure for deployment tested and optimized.
- FIX: Program error when switching view on media page fixed.

## 2025.1.0-alpha.3 (2025-08-30)
- NEW: Program info page with dynamic data, build info, and changelog.
- NEW: Logout functionality implemented.
- FIX: Sidebar width corrected in collapsed state.

## 2025.1.0-alpha.2 (2025-08-29)
- INFO: Analysis and display of used open-source libraries.

## 2025.1.0-alpha.1 (2025-08-28)
- Initial project setup and base structure.