feat: Complete admin panel implementation

- Add user management system with all CRUD operations
- Add promotion statistics dashboard with export
- Simplify Trading & Market settings UI
- Fix promotion schema (dates now optional)
- Add missing API endpoints and PATCH support
- Add comprehensive documentation
- Fix critical bugs (deletePromotion, duplicate endpoints)

All features tested and production-ready.

GIT_PUSH_INSTRUCTIONS.md

@@ -0,0 +1,153 @@
+# Git Push Instructions
+
+## Quick Push (Recommended)
+
+```bash
+# Stage all changes
+git add .
+
+# Commit with descriptive message
+git commit -m "feat: Complete admin panel implementation with user management and fixes"
+
+# Push to your repository
+git push origin main
+```
+
+## Detailed Commit Message (Alternative)
+
+If you want a more detailed commit message:
+
+```bash
+# Stage all changes
+git add .
+
+# Commit with detailed message
+git commit -m "feat: Complete admin panel implementation
+
+- Add user management system (search, view, balance, ban, promote)
+- Add promotion statistics dashboard with analytics and export
+- Simplify Trading & Market settings (remove toggles, add helper text)
+- Fix promotion creation (make dates optional in schema)
+- Fix deletePromotion bug (use promotion.id instead of undefined id)
+- Add missing API endpoints (user stats, promotion stats)
+- Add PATCH support for user management endpoints
+- Remove duplicate endpoints and clean up code
+- Add comprehensive documentation (692 + 299 lines)
+- Add test scripts for endpoint validation
+
+BREAKING CHANGES: None
+All changes are backwards compatible."
+
+# Push to your repository
+git push origin main
+```
+
+## If You Need to Create a New Branch
+
+```bash
+# Create and switch to new branch
+git checkout -b feature/admin-panel-complete
+
+# Stage all changes
+git add .
+
+# Commit
+git commit -m "feat: Complete admin panel implementation"
+
+# Push to new branch
+git push origin feature/admin-panel-complete
+```
+
+## Check Status Before Pushing
+
+```bash
+# See what files changed
+git status
+
+# See what changes were made
+git diff
+
+# See commit history
+git log --oneline
+```
+
+## If You Have Uncommitted Changes
+
+```bash
+# See what's changed
+git status
+
+# Add specific files
+git add path/to/file.js
+
+# Or add all changes
+git add .
+
+# Commit
+git commit -m "Your message here"
+
+# Push
+git push
+```
+
+## Common Issues & Solutions
+
+### Issue: "Updates were rejected"
+```bash
+# Pull latest changes first
+git pull origin main
+
+# Then push again
+git push origin main
+```
+
+### Issue: Merge conflicts after pull
+```bash
+# Resolve conflicts in your editor
+# Then:
+git add .
+git commit -m "Merge: Resolve conflicts"
+git push origin main
+```
+
+### Issue: Want to undo last commit (not pushed yet)
+```bash
+# Undo commit but keep changes
+git reset --soft HEAD~1
+
+# Undo commit and discard changes (CAREFUL!)
+git reset --hard HEAD~1
+```
+
+## Summary of Changes to Push
+
+**Backend:**
+- `routes/admin-management.js` - Major refactor
+- `models/SiteConfig.js` - Schema fixes
+
+**Frontend:**
+- `components/AdminConfigPanel.vue` - Simplified settings
+- `components/PromotionStatsModal.vue` - NEW
+- `components/UserManagementTab.vue` - NEW
+- `views/AdminPanelTest.vue` - NEW
+
+**Documentation:**
+- `docs/ADMIN_PANEL_COMPLETE.md` - NEW
+- `docs/ADMIN_QUICK_START.md` - NEW
+- `test-admin-endpoints.js` - NEW
+
+**Total:** ~3,500+ lines of new/modified code
+
+---
+
+## Recommended: Use the Quick Push
+
+The simplest approach:
+
+```bash
+git add .
+git commit -m "feat: Complete admin panel - user management, promotion analytics, simplified settings"
+git push origin main
+```
+
+Done! 🚀