diff --git a/fablednetmon/app.py b/fablednetmon/app.py
index dc1acc4..fbbfe87 100644
--- a/fablednetmon/app.py
+++ b/fablednetmon/app.py
@@ -1,4 +1,5 @@
 from __future__ import annotations
+import asyncio
 from pathlib import Path
 from quart import Quart
 from .config import load_config
@@ -33,16 +34,103 @@ def create_app(
         from unittest.mock import MagicMock
         app.db_sessionmaker = MagicMock()
 
+    # Alert pipeline
+    from .core.alerts import init_alerts
+    init_alerts(app)
+
     # Register blueprints
     from .auth.routes import auth_bp
-    app.register_blueprint(auth_bp)
-
     from .dashboard.routes import dashboard_bp
+    from .hosts.routes import hosts_bp
+    from .alerts.routes import alerts_bp
+
+    app.register_blueprint(auth_bp)
     app.register_blueprint(dashboard_bp)
+    app.register_blueprint(hosts_bp)
+    app.register_blueprint(alerts_bp)
+
+    # Build task registry
+    app._task_registry = []
+
+    if not testing:
+        _register_core_tasks(app, cfg)
 
     # Health check
     @app.get("/health")
     async def health():
         return {"status": "ok"}
 
+    # Start scheduler on first request
+    @app.before_serving
+    async def startup():
+        if not testing:
+            asyncio.create_task(_run_scheduler(app))
+
     return app
+
+
+def _register_core_tasks(app: Quart, cfg: dict) -> None:
+    from .core.scheduler import ScheduledTask
+
+    poll_interval = cfg.get("monitors", {}).get("poll_interval_seconds", 60)
+    cleanup_interval = 3600  # hourly
+
+    async def run_ping_monitors():
+        from sqlalchemy import select
+        from .models.hosts import Host
+        from .monitors.ping import ping_check
+        async with app.db_sessionmaker() as session:
+            async with session.begin():
+                result = await session.execute(
+                    select(Host).where(Host.ping_enabled.is_(True))
+                )
+                for host in result.scalars().all():
+                    try:
+                        await ping_check(host, session)
+                    except Exception:
+                        app.logger.exception(f"Ping check failed for host {host.name!r}")
+
+    async def run_dns_monitors():
+        from sqlalchemy import select
+        from .models.hosts import Host
+        from .monitors.dns import dns_check
+        async with app.db_sessionmaker() as session:
+            async with session.begin():
+                result = await session.execute(
+                    select(Host).where(Host.dns_enabled.is_(True))
+                )
+                for host in result.scalars().all():
+                    try:
+                        await dns_check(host, session)
+                    except Exception:
+                        app.logger.exception(f"DNS check failed for host {host.name!r}")
+
+    async def run_cleanup():
+        from .core.cleanup import run_cleanup as _cleanup
+        await _cleanup(app)
+
+    app._task_registry.extend([
+        ScheduledTask(
+            name="ping_monitor",
+            coro_factory=run_ping_monitors,
+            interval_seconds=poll_interval,
+            run_on_startup=True,
+        ),
+        ScheduledTask(
+            name="dns_monitor",
+            coro_factory=run_dns_monitors,
+            interval_seconds=poll_interval,
+            run_on_startup=True,
+        ),
+        ScheduledTask(
+            name="data_cleanup",
+            coro_factory=run_cleanup,
+            interval_seconds=cleanup_interval,
+            run_on_startup=False,
+        ),
+    ])
+
+
+async def _run_scheduler(app: Quart) -> None:
+    from .core.scheduler import start_scheduler
+    await start_scheduler(app._task_registry)
diff --git a/fablednetmon/templates/base.html b/fablednetmon/templates/base.html
index 876b107..f314ae7 100644
--- a/fablednetmon/templates/base.html
+++ b/fablednetmon/templates/base.html
@@ -34,6 +34,8 @@
     <nav>
         <span class="brand">FabledNetMon</span>
         <a href="/">Dashboard</a>
+        <a href="/hosts/">Hosts</a>
+        <a href="/alerts/">Alerts</a>
         <a href="/logout">Logout ({{ session.username }})</a>
     </nav>
     {% endif %}
diff --git a/fablednetmon/templates/dashboard/index.html b/fablednetmon/templates/dashboard/index.html
index 94717a7..a60ce9a 100644
--- a/fablednetmon/templates/dashboard/index.html
+++ b/fablednetmon/templates/dashboard/index.html
@@ -4,16 +4,26 @@
 <h1 style="margin-bottom:1.5rem;color:#c0c0ff;">Dashboard</h1>
 <div style="display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem;">
     <div class="card">
-        <h3 style="color:#8080ff;margin-bottom:0.5rem;">Ping Monitor</h3>
-        <p style="color:#606080;font-size:0.9rem;">No hosts configured yet.</p>
+        <h3 style="color:#8080ff;margin-bottom:0.75rem;">Ping Monitor</h3>
+        <p style="color:#606080;font-size:0.9rem;">
+            <a href="/hosts/" style="color:#a0a0ff;">Manage hosts</a> to begin monitoring.
+        </p>
     </div>
     <div class="card">
-        <h3 style="color:#8080ff;margin-bottom:0.5rem;">DNS Monitor</h3>
-        <p style="color:#606080;font-size:0.9rem;">No hosts configured yet.</p>
+        <h3 style="color:#8080ff;margin-bottom:0.75rem;">DNS Monitor</h3>
+        <p style="color:#606080;font-size:0.9rem;">
+            Enable DNS monitoring on a <a href="/hosts/" style="color:#a0a0ff;">host</a>.
+        </p>
     </div>
     <div class="card">
-        <h3 style="color:#8080ff;margin-bottom:0.5rem;">Ansible</h3>
-        <p style="color:#606080;font-size:0.9rem;">No playbook sources configured yet.</p>
+        <h3 style="color:#8080ff;margin-bottom:0.75rem;">Alerts</h3>
+        <p style="color:#606080;font-size:0.9rem;">
+            <a href="/alerts/" style="color:#a0a0ff;">Configure alert rules</a> against any metric.
+        </p>
+    </div>
+    <div class="card">
+        <h3 style="color:#8080ff;margin-bottom:0.75rem;">Ansible</h3>
+        <p style="color:#606080;font-size:0.9rem;">Coming in Plan 3.</p>
     </div>
 </div>
 {% endblock %}