Olaf b5f5f30005 feat: period-scoped holiday management, archive lifecycle, and docs/release sync ...

- add period-scoped holiday architecture end-to-end
	- model: scope `SchoolHoliday` to `academic_period_id`
	- migrations: add holiday-period scoping, academic-period archive lifecycle, and merge migration head
	- API: extend holidays with manual CRUD, period validation, duplicate prevention, and overlap merge/conflict handling
	- recurrence: regenerate holiday exceptions using period-scoped holiday sets

- improve frontend settings and holiday workflows
	- bind holiday import/list/manual CRUD to selected academic period
	- show detailed import outcomes (inserted/updated/merged/skipped/conflicts)
	- fix file-picker UX (visible selected filename)
	- align settings controls/dialogs with defined frontend design rules
	- scope appointments/dashboard holiday loading to active period
	- add shared date formatting utility

- strengthen academic period lifecycle handling
	- add archive/restore/delete flow and backend validations/blocker checks
	- extend API client support for lifecycle operations

- release/docs updates and cleanup
	- bump user-facing version to `2026.1.0-alpha.15` with new changelog entry
	- add tech changelog entry for alpha.15 backend changes
	- refactor README to concise index and archive historical implementation docs
	- fix Copilot instruction link diagnostics via local `.github` design-rules reference

2026-03-31 12:25:55 +00:00

..

0c47280d3e2d_rename_location_to_description_in_.py

Initial commit - copied workspace after database cleanup

2025-10-10 15:20:14 +00:00

2b627d0885c3_merge_heads_after_conversions.py

Initial commit - copied workspace after database cleanup

2025-10-10 15:20:14 +00:00

3a09ef909689_add_location_to_client_groups.py

Initial commit - copied workspace after database cleanup

2025-10-10 15:20:14 +00:00

3d15c3cac7b6_initial.py

Initial commit - copied workspace after database cleanup

2025-10-10 15:20:14 +00:00

4f0b8a3e5c20_add_user_audit_fields.py

feat: document user management system and RBAC implementation

2025-12-29 12:37:54 +00:00

5b3c1a2f8d10_add_conversions_table.py

Initial commit - copied workspace after database cleanup

2025-10-10 15:20:14 +00:00

8d1df7199cb7_add_academic_periods_system.py

Initial commit - copied workspace after database cleanup

2025-10-10 15:20:14 +00:00

9b7a1f2a4d2b_add_school_holidays_table.py

Initial commit - copied workspace after database cleanup

2025-10-10 15:20:14 +00:00

12ab34cd56ef_add_skip_holidays_to_events.py

feat(events): reliable holiday skipping for recurrences + UI badge; clean logs

2025-10-12 12:00:43 +00:00

15c357c0cf31_add_recurrence_fields_to_events_and_.py

feat(events): reliable holiday skipping for recurrences + UI badge; clean logs

2025-10-12 12:00:43 +00:00

71ba7ab08d84_merge_heads_after_holidays_table.py

Initial commit - copied workspace after database cleanup

2025-10-10 15:20:14 +00:00

207f5b190f93_update_clients_table_for_new_fields.py

Initial commit - copied workspace after database cleanup

2025-10-10 15:20:14 +00:00

488ce87c28ae_merge_all_heads_before_user_role_.py

feat(dashboard): header user dropdown (Syncfusion) + proper logout; docs: clarify architecture; build: add splitbuttons; bump alpha.10

2025-10-15 16:33:35 +00:00

21226a449037_add_muted_to_events.py

feat(video, settings, docs): add muted playback, nested Settings tabs, merge holidays tab; bump 2025.1.0-alpha.11

2025-11-05 19:30:10 +00:00

045626c9719a_add_system_settings_table.py

docs(settings): Update README + Copilot instructions; bump Program Info to 2025.1.0-alpha.11

2025-10-16 19:15:55 +00:00

910951fd300a_add_page_progress_and_auto_progress_to_.py

feat: presentation defaults + scheduler active-only

2025-10-18 15:34:52 +00:00

216402147826_change_uploaded_at_to_timestamp_in_.py

Initial commit - copied workspace after database cleanup

2025-10-10 15:20:14 +00:00

a7b8c9d0e1f2_add_archive_lifecycle_to_academic_periods.py

feat: period-scoped holiday management, archive lifecycle, and docs/release sync

2026-03-31 12:25:55 +00:00

add_userrole_editor_and_column.py

feat(dashboard): header user dropdown (Syncfusion) + proper logout; docs: clarify architecture; build: add splitbuttons; bump alpha.10

2025-10-15 16:33:35 +00:00

b5a6c3d4e7f8_make_file_hash_not_null.py

Initial commit - copied workspace after database cleanup

2025-10-10 15:20:14 +00:00

b22d339ed2af_add_uploaded_at_to_eventmedia.py

Initial commit - copied workspace after database cleanup

2025-10-10 15:20:14 +00:00

c1d2e3f4g5h6_add_client_monitoring.py

feat(monitoring): add server-side client logging and health infrastructure

2026-03-10 07:33:38 +00:00

dd100f3958dc_merge_academic_periods_and_client_.py

feat: period-scoped holiday management, archive lifecycle, and docs/release sync

2026-03-31 12:25:55 +00:00

e6eaede720aa_add_website_to_mediatype_enum.py

Initial commit - copied workspace after database cleanup

2025-10-10 15:20:14 +00:00

f3c4d5e6a7b8_scope_school_holidays_to_academic_.py

feat: period-scoped holiday management, archive lifecycle, and docs/release sync

2026-03-31 12:25:55 +00:00