PM2 cluster deploy + Redis caching + Nginx gzip + UI polish

- PM2 v6: 2x API cluster + 1x web, zero-downtime reload
- Redis cache: 30s TTL on GET /tasks, X-Cache header
- Nginx gzip compression
- Mobile touch targets 44px
- Czech diacritics throughout UI
- TaskModal slide-up animation
- StatusBadge color dots
- GroupSelector emoji icons

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

ecosystem.config.js

@@ -0,0 +1,41 @@
+module.exports = {
+  apps: [
+    {
+      name: "taskteam-api",
+      script: "api/src/index.js",
+      cwd: "/opt/task-team",
+      instances: 2,
+      exec_mode: "cluster",
+      env: {
+        NODE_ENV: "production",
+        PORT: 3000,
+        DATABASE_URL: "postgresql://taskteam:TaskTeam2026!@10.10.10.10:5432/taskteam",
+        REDIS_URL: "redis://:Redis2026!@10.10.10.10:6379",
+        JWT_SECRET: "taskteam-jwt-secret-2026-secure-key",
+        ANTHROPIC_API_KEY: "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",
+        NOTION_API_KEY: "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",
+        NOTION_TASKS_DB: "659a5381-564a-453a-9e2b-1345c457cca9"
+      },
+      max_memory_restart: "500M",
+      watch: false,
+      merge_logs: true,
+      log_date_format: "YYYY-MM-DD HH:mm:ss Z"
+    },
+    {
+      name: "taskteam-web",
+      script: "node_modules/.bin/next",
+      args: "start -p 3001",
+      cwd: "/opt/task-team/apps/tasks",
+      instances: 1,
+      exec_mode: "fork",
+      env: {
+        NODE_ENV: "production",
+        NEXT_PUBLIC_API_URL: "http://localhost:3000"
+      },
+      max_memory_restart: "500M",
+      watch: false,
+      merge_logs: true,
+      log_date_format: "YYYY-MM-DD HH:mm:ss Z"
+    }
+  ]
+};