feat: Add user management APIs, status enum, enhanced notifications

- Add updateUser and resetUserPassword admin endpoints
- Change company status from boolean to enum (registered, lead, customer, inactive)
- Add 'important' event type to calendar validators and email templates
- Add 1-hour-before event notifications cron job
- Add 18:00 evening notifications for next-day events
- Add contact description field support
- Fix count() function usage in admin service
- Add SQL migrations for schema changes

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/db/schema.js

@@ -5,6 +5,7 @@ export const roleEnum = pgEnum('role', ['admin', 'member']);
 export const projectStatusEnum = pgEnum('project_status', ['active', 'completed', 'on_hold', 'cancelled']);
 export const todoStatusEnum = pgEnum('todo_status', ['pending', 'in_progress', 'completed', 'cancelled']);
 export const todoPriorityEnum = pgEnum('todo_priority', ['low', 'medium', 'high', 'urgent']);
+export const companyStatusEnum = pgEnum('company_status', ['registered', 'lead', 'customer', 'inactive']);
 
 // Users table - používatelia systému
 export const users = pgTable('users', {
@@ -89,6 +90,7 @@ export const personalContacts = pgTable('personal_contacts', {
   phone: text('phone').notNull(),
   email: text('email').notNull(),
   secondaryEmail: text('secondary_email'),
+  description: text('description'), // popis kontaktu
   createdAt: timestamp('created_at').defaultNow().notNull(),
   updatedAt: timestamp('updated_at').defaultNow().notNull(),
 }, (table) => ({
@@ -128,7 +130,7 @@ export const companies = pgTable('companies', {
   phone: text('phone'),
   email: text('email'),
   website: text('website'),
-  isActive: boolean('is_active').default(true).notNull(), // či je firma aktívna
+  status: companyStatusEnum('status').default('registered').notNull(), // stav firmy
   createdBy: uuid('created_by').references(() => users.id, { onDelete: 'set null' }),
   createdAt: timestamp('created_at').defaultNow().notNull(),
   updatedAt: timestamp('updated_at').defaultNow().notNull(),