chore: update docs

docs/development-progress-log.md

@@ -1570,15 +1570,19 @@ This project demonstrates a modern Phoenix application built with:
 - ✅ **Flexible data model** (EAV pattern with union types)
 
 **Key Achievements:**
-- 🎯 8 sprints completed
-- 🚀 82 pull requests merged
-- ✅ Core features implemented (CRUD, search, auth, sync)
+- 🎯 9+ sprints completed
+- 🚀 100+ pull requests merged
+- ✅ Core features implemented (CRUD, search, auth, sync, membership fees, roles & permissions)
+- ✅ Membership fees system (types, cycles, settings)
+- ✅ Role-based access control (RBAC) with 4 permission sets
+- ✅ Member field visibility settings
+- ✅ Sidebar navigation (WCAG 2.1 AA compliant)
 - 📚 Comprehensive documentation
 - 🔒 Security-focused (audits, validations, policies)
 - 🐳 Docker-ready for self-hosting
 
 **Next Steps:**
-- Implement roles & permissions
+- ✅ ~~Implement roles & permissions~~ - RBAC system implemented (2026-01-08)
 - Add payment tracking
 - ✅ ~~Improve accessibility (WCAG 2.1 AA)~~ - Keyboard navigation implemented
 - Member self-service portal
@@ -1586,8 +1590,150 @@ This project demonstrates a modern Phoenix application built with:
 
 ---
 
-**Document Version:** 1.3  
-**Last Updated:** 2025-12-02  
+## Recent Updates (2025-12-02 to 2026-01-13)
+
+### Membership Fees System Implementation (2025-12-11 to 2025-12-26)
+
+**PR #283:** *Membership Fee - Database Schema & Ash Domain Foundation* (closes #275)
+- Created `Mv.MembershipFees` domain
+- Added `MembershipFeeType` resource with intervals (monthly, quarterly, half_yearly, yearly)
+- Added `MembershipFeeCycle` resource for individual billing cycles
+- Database migrations for membership fee tables
+
+**PR #284:** *Calendar Cycle Calculation Logic* (closes #276)
+- Calendar-based cycle calculation module
+- Support for different intervals
+- Cycle start/end date calculations
+- Integration with member joining dates
+
+**PR #290:** *Cycle Generation System* (closes #277)
+- Automatic cycle generation for members
+- Cycle regeneration when fee type changes
+- Integration with member lifecycle hooks
+- Actor-based authorization for cycle operations
+
+**PR #291:** *Membership Fee Type Resource & Settings* (closes #278)
+- Membership fee type CRUD operations
+- Global membership fee settings
+- Default fee type assignment
+- `include_joining_cycle` setting
+
+**PR #294:** *Cycle Management & Member Integration* (closes #279)
+- Member-fee type relationship
+- Cycle status tracking (unpaid, paid, suspended)
+- Member detail view integration
+- Cycle regeneration on fee type change
+
+**PR #304:** *Membership Fee 6 - UI Components & LiveViews* (closes #280)
+- Membership fee type management LiveViews
+- Membership fee settings LiveView
+- Cycle display in member detail view
+- Payment status indicators
+
+### Custom Fields Enhancements (2025-12-11 to 2026-01-02)
+
+**PR #266:** *Implements search for custom fields* (closes #196)
+- Custom field search in member overview
+- Integration with full-text search
+- Custom field value filtering
+
+**PR #301:** *Implements validation for required custom fields* (closes #274)
+- Required custom field validation
+- Form-level validation
+- Error messages for missing required fields
+
+**PR #313:** *Fix hidden empty custom fields* (closes #282)
+- Fixed display of empty custom fields
+- Improved custom field visibility logic
+
+### UI/UX Improvements (2025-12-03 to 2025-12-16)
+
+**PR #240:** *Implement dropdown to show/hide columns in member overview* (closes #209)
+- Field visibility dropdown
+- User-specific field selection
+- Integration with global settings
+
+**PR #247:** *Visual hierarchy for fields in member view and edit form* (closes #231)
+- Improved field grouping
+- Visual hierarchy improvements
+- Better form layout
+
+**PR #250:** *UX - Avoid opening member by clicking the checkbox* (closes #233)
+- Checkbox click handling
+- Prevented accidental navigation
+- Improved selection UX
+
+**PR #259:** *Fix small UI issues* (closes #220)
+- Various UI bug fixes
+- Accessibility improvements
+
+**PR #293:** *Small UX fixes* (closes #281)
+- Additional UX improvements
+- Polish and refinement
+
+**PR #319:** *Reduce member fields* (closes #273)
+- Removed unnecessary member fields
+- Streamlined member data model
+- Migration for field removal
+
+### Roles and Permissions System (2026-01-06 to 2026-01-08)
+- ✅ **RBAC Implementation Complete** - Member Resource Policies (#345)
+  - Four hardcoded permission sets: `own_data`, `read_only`, `normal_user`, `admin`
+  - Role-based access control with database-backed roles
+  - Member resource policies with scope filtering (`:own`, `:linked`, `:all`)
+  - Authorization checks via `Mv.Authorization.Checks.HasPermission`
+  - System role protection (cannot delete critical roles)
+  - Comprehensive test coverage
+
+### Actor Handling Refactoring (2026-01-09)
+- ✅ **Consistent Actor Access** - `current_actor/1` helper function
+  - Standardized actor access across all LiveViews
+  - `ash_actor_opts/1` helper for consistent authorization options
+  - `submit_form/3` wrapper for form submissions with actor
+  - All Ash operations now properly pass `actor` parameter
+  - Error handling improvements (replaced bang calls with proper error handling)
+
+### Internationalization Improvements (2026-01-13)
+- ✅ **Complete German Translations** - All UI strings translated
+  - CI check for empty German translations in lint task
+  - Standardized English `msgstr` entries (all empty for consistency)
+  - Corrected language headers in `.po` files
+  - Added missing translations for error messages
+
+### Code Quality Improvements (2026-01-13)
+- ✅ **Error Handling** - Replaced `Ash.read!` with proper error handling
+- ✅ **Code Complexity** - Reduced nesting depth in `UserLive.Form`
+- ✅ **Test Infrastructure** - Role tag support in `ConnCase`
+
+### CSV Import Feature (2026-01-13)
+- ✅ **CSV Templates** - Member import templates (#329)
+  - German and English CSV templates
+  - Template files in `priv/static/templates/`
+
+### Sidebar Implementation (2026-01-12)
+- ✅ **Sidebar Navigation** - Replaced navbar with sidebar (#260)
+  - Standard-compliant sidebar with comprehensive tests
+  - DaisyUI drawer pattern implementation
+  - Desktop expanded/collapsed states
+  - Mobile overlay drawer
+  - localStorage persistence for sidebar state
+  - WCAG 2.1 Level AA compliant
+
+### Member Field Settings (2026-01-12, PR #300, closes #223)
+- ✅ **Member Field Visibility Configuration** - Global settings for field visibility
+  - JSONB-based visibility configuration in Settings resource
+  - Per-field visibility toggle (show/hide in member overview)
+  - Atomic updates for single field visibility changes
+  - Integration with member list overview
+  - User-specific field selection (takes priority over global settings)
+  - Custom field visibility support
+  - Default visibility: all fields visible except `exit_date` (hidden by default)
+  - LiveComponent for managing member field visibility in settings page
+
+---
+
+**Document Version:** 1.4  
+**Last Updated:** 2026-01-13  
 **Maintainer:** Development Team  
 **Status:** Living Document (update as project evolves)