feat: Multi-feature CRM update

- Add team_leader role with appropriate permissions
- Add lastSeen timestamp for chat online indicator
- Add needsFollowup flag to ucastnici table
- Add getTodayCalendarCount endpoint for calendar badge
- Add company reminders to calendar data
- Enhance company search to include phone and contacts
- Update routes to allow team_leader access to kurzy, services, timesheets

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

src/db/schema.js

@@ -1,7 +1,7 @@
 import { pgTable, text, timestamp, boolean, uuid, pgEnum, unique, integer, serial, varchar, numeric, date, bigint, uniqueIndex } from 'drizzle-orm/pg-core';
 
 // Enums
-export const roleEnum = pgEnum('role', ['admin', 'member']);
+export const roleEnum = pgEnum('role', ['admin', 'team_leader', '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']);
@@ -18,6 +18,7 @@ export const users = pgTable('users', {
   changedPassword: boolean('changed_password').default(false),
   role: roleEnum('role').default('member').notNull(),
   lastLogin: timestamp('last_login'),
+  lastSeen: timestamp('last_seen'),
   createdAt: timestamp('created_at').defaultNow().notNull(),
   updatedAt: timestamp('updated_at').defaultNow().notNull(),
 });
@@ -460,6 +461,7 @@ export const ucastnici = pgTable('ucastnici', {
   mesto: varchar('mesto', { length: 100 }),
   ulica: varchar('ulica', { length: 255 }),
   psc: varchar('psc', { length: 10 }),
+  needsFollowup: boolean('needs_followup').default(false).notNull(),
   createdAt: timestamp('created_at', { withTimezone: true }).defaultNow().notNull(),
   updatedAt: timestamp('updated_at', { withTimezone: true }).defaultNow().notNull(),
 }, (table) => ({