Phase 2: AI Chat, Calendar, Odoo connector, PWA

- AI Chat endpoint (/api/v1/chat) with Claude API context
- Calendar page with FullCalendar.js (day/week/month)
- Odoo API connector (import/export/webhook)
- PWA manifest + service worker for offline
- SW register component

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/tasks/app/calendar/page.tsx

@@ -0,0 +1,67 @@
+'use client';
+import { useState, useEffect } from 'react';
+import FullCalendar from '@fullcalendar/react';
+import dayGridPlugin from '@fullcalendar/daygrid';
+import timeGridPlugin from '@fullcalendar/timegrid';
+import interactionPlugin from '@fullcalendar/interaction';
+
+const API_URL = process.env.NEXT_PUBLIC_API_URL || 'http://localhost:3000';
+
+interface Task {
+  id: string;
+  title: string;
+  scheduled_at: string | null;
+  due_at: string | null;
+  status: string;
+  group_name: string;
+  group_color: string;
+}
+
+export default function CalendarPage() {
+  const [tasks, setTasks] = useState<Task[]>([]);
+
+  useEffect(() => {
+    fetch(`${API_URL}/api/v1/tasks?limit=100`)
+      .then(r => r.json())
+      .then(d => setTasks(d.data || []));
+  }, []);
+
+  const events = tasks
+    .filter((t): t is Task & { scheduled_at: string } | Task & { due_at: string } =>
+      t.scheduled_at !== null || t.due_at !== null
+    )
+    .map(t => ({
+      id: t.id,
+      title: t.title,
+      start: (t.scheduled_at || t.due_at) as string,
+      end: (t.due_at || t.scheduled_at) as string,
+      backgroundColor: t.group_color || '#3B82F6',
+      borderColor: t.group_color || '#3B82F6',
+      extendedProps: { status: t.status, group: t.group_name }
+    }));
+
+  return (
+    <div className="p-4">
+      <h1 className="text-2xl font-bold mb-4">Kalendar</h1>
+      <div className="bg-white dark:bg-gray-800 rounded-xl p-4 shadow">
+        <FullCalendar
+          plugins={[dayGridPlugin, timeGridPlugin, interactionPlugin]}
+          initialView="timeGridWeek"
+          headerToolbar={{
+            left: 'prev,next today',
+            center: 'title',
+            right: 'dayGridMonth,timeGridWeek,timeGridDay'
+          }}
+          events={events}
+          editable={true}
+          selectable={true}
+          locale="cs"
+          firstDay={1}
+          height="auto"
+          slotMinTime="06:00:00"
+          slotMaxTime="23:00:00"
+        />
+      </div>
+    </div>
+  );
+}

apps/tasks/app/sw-register.tsx

@@ -0,0 +1,10 @@
+"use client";
+import { useEffect } from "react";
+export default function SWRegister() {
+  useEffect(() => {
+    if ("serviceWorker" in navigator) {
+      navigator.serviceWorker.register("/sw.js").catch(() => {});
+    }
+  }, []);
+  return null;
+}