diff --git a/frontend/src/utils/__tests__/nodeIcons.test.ts b/frontend/src/utils/__tests__/nodeIcons.test.ts
index dab21d1..ffd4002 100644
--- a/frontend/src/utils/__tests__/nodeIcons.test.ts
+++ b/frontend/src/utils/__tests__/nodeIcons.test.ts
@@ -33,6 +33,22 @@ describe('ICON_REGISTRY', () => {
     expect(keys).toContain('database')  // DB services
     expect(keys).toContain('cctv')      // IP Camera / CCTV
   })
+
+  it('contains Smart Home / Sensors icons', () => {
+    const keys = ICON_REGISTRY.map((e) => e.key)
+    expect(keys).toContain('plug')
+    expect(keys).toContain('smoke')
+    expect(keys).toContain('door')
+    expect(keys).toContain('motion')
+    expect(keys).toContain('leak')
+    expect(keys).toContain('lock-smart')
+    expect(keys).toContain('battery-charging')
+  })
+
+  it('exposes the Smart Home / Sensors category', () => {
+    const categories = ICON_REGISTRY.map((e) => e.category)
+    expect(categories).toContain('Smart Home / Sensors')
+  })
 })
 
 describe('ICON_CATEGORIES', () => {
diff --git a/frontend/src/utils/nodeIcons.ts b/frontend/src/utils/nodeIcons.ts
index 16700cc..80630dc 100644
--- a/frontend/src/utils/nodeIcons.ts
+++ b/frontend/src/utils/nodeIcons.ts
@@ -11,7 +11,12 @@ import {
   // Security & Auth
   Shield, ShieldCheck, Lock, Key, Users, UserCheck, Flame,
   // Automation & IoT
-  Zap, Workflow, Bot, Home, Thermometer, Lightbulb, Radio,
+  Zap, Workflow, Bot, Home, Thermometer, Lightbulb, Radio, BotMessageSquare, Webhook,
+  // Smart Home / Sensors
+  Plug, Power, BatteryCharging, Sun, DoorOpen, KeyRound, AlarmSmoke, Siren,
+  Radar, PersonStanding, Vibrate, Droplet, Droplets, Wind, AirVent, Fan,
+  Snowflake, LampCeiling, Blinds, BellRing, Speaker, Joystick, Warehouse,
+  CircleDot, CloudSun,
   // Transfers & sync
   Download, Upload, RefreshCw,
   // Containers & Dev
@@ -97,6 +102,35 @@ export const ICON_REGISTRY: IconEntry[] = [
   { key: 'thermometer', label: 'Sensor / Temperature', category: 'Automation', icon: Thermometer },
   { key: 'lightbulb',   label: 'Smart Light / Zigbee', category: 'Automation', icon: Lightbulb },
   { key: 'radio',       label: 'MQTT / RTL-SDR',       category: 'Automation', icon: Radio },
+  { key: 'voice',       label: 'Voice Assistant',      category: 'Automation', icon: BotMessageSquare },
+  { key: 'webhook',     label: 'Webhook / IFTTT',      category: 'Automation', icon: Webhook },
+
+  // --- Smart Home / Sensors ---
+  { key: 'plug',             label: 'Smart Plug / Outlet',  category: 'Smart Home / Sensors', icon: Plug },
+  { key: 'power',            label: 'Switch / Relay',       category: 'Smart Home / Sensors', icon: Power },
+  { key: 'battery-charging', label: 'Energy Meter / EV',    category: 'Smart Home / Sensors', icon: BatteryCharging },
+  { key: 'solar',            label: 'Solar Panel',          category: 'Smart Home / Sensors', icon: Sun },
+  { key: 'door',             label: 'Door / Window Sensor', category: 'Smart Home / Sensors', icon: DoorOpen },
+  { key: 'lock-smart',       label: 'Smart Lock',           category: 'Smart Home / Sensors', icon: KeyRound },
+  { key: 'smoke',            label: 'Smoke Detector',       category: 'Smart Home / Sensors', icon: AlarmSmoke },
+  { key: 'siren',            label: 'Siren / Alarm',        category: 'Smart Home / Sensors', icon: Siren },
+  { key: 'motion',           label: 'Motion / Radar',       category: 'Smart Home / Sensors', icon: Radar },
+  { key: 'presence',         label: 'Presence Sensor',      category: 'Smart Home / Sensors', icon: PersonStanding },
+  { key: 'vibration',        label: 'Vibration Sensor',     category: 'Smart Home / Sensors', icon: Vibrate },
+  { key: 'leak',             label: 'Water Leak',           category: 'Smart Home / Sensors', icon: Droplet },
+  { key: 'humidity',         label: 'Humidity',             category: 'Smart Home / Sensors', icon: Droplets },
+  { key: 'air-quality',      label: 'Air Quality / VOC',    category: 'Smart Home / Sensors', icon: Wind },
+  { key: 'air-vent',         label: 'HVAC Vent',            category: 'Smart Home / Sensors', icon: AirVent },
+  { key: 'fan',              label: 'Fan',                  category: 'Smart Home / Sensors', icon: Fan },
+  { key: 'snowflake',        label: 'AC / Cooling',         category: 'Smart Home / Sensors', icon: Snowflake },
+  { key: 'lamp',             label: 'Smart Light',          category: 'Smart Home / Sensors', icon: LampCeiling },
+  { key: 'blinds',           label: 'Blinds / Cover',       category: 'Smart Home / Sensors', icon: Blinds },
+  { key: 'doorbell',         label: 'Doorbell',             category: 'Smart Home / Sensors', icon: BellRing },
+  { key: 'speaker',          label: 'Smart Speaker',        category: 'Smart Home / Sensors', icon: Speaker },
+  { key: 'remote',           label: 'Remote / Button',      category: 'Smart Home / Sensors', icon: Joystick },
+  { key: 'garage',           label: 'Garage Door',          category: 'Smart Home / Sensors', icon: Warehouse },
+  { key: 'valve',            label: 'Smart Valve',          category: 'Smart Home / Sensors', icon: CircleDot },
+  { key: 'weather',          label: 'Weather Station',      category: 'Smart Home / Sensors', icon: CloudSun },
 
   // --- Containers & Dev ---
   { key: 'anchor',    label: 'Portainer / Docker',        category: 'Dev & Containers', icon: Anchor },