diff --git a/backend/prisma/seed.ts b/backend/prisma/seed.ts
index da64364..c7a0fc9 100644
--- a/backend/prisma/seed.ts
+++ b/backend/prisma/seed.ts
@@ -284,6 +284,123 @@ async function main() {
         }
     }
 
+    // ============================================
+    // DEMO BATCHES
+    // ============================================
+    const owner = await prisma.user.findUnique({ where: { email: ownerEmail } });
+    const flowerRoom = await prisma.facilityRoom.findFirst({ where: { code: 'FLO' } });
+    const vegRoom = await prisma.facilityRoom.findFirst({ where: { code: 'VEG' } });
+
+    const demoBatches = [
+        {
+            name: 'B-2026-01-GG4',
+            strain: 'Gorilla Glue #4',
+            startDate: new Date('2026-01-01'),
+            status: 'ACTIVE',
+            plantCount: 48,
+            source: 'CLONE',
+            stage: 'FLOWER',
+            roomId: flowerRoom?.id
+        },
+        {
+            name: 'B-2025-12-KM',
+            strain: 'Kush Mints',
+            startDate: new Date('2025-12-15'),
+            harvestDate: new Date('2026-01-08'),
+            status: 'HARVESTED',
+            plantCount: 36,
+            source: 'CLONE',
+            stage: 'DRY'
+        },
+        {
+            name: 'B-2026-01-GDP',
+            strain: 'Grand Daddy Purple',
+            startDate: new Date('2026-01-05'),
+            status: 'ACTIVE',
+            plantCount: 24,
+            source: 'SEED',
+            stage: 'VEG',
+            roomId: vegRoom?.id
+        }
+    ];
+
+    for (const b of demoBatches) {
+        const existing = await prisma.batch.findFirst({ where: { name: b.name } });
+        if (!existing) {
+            await prisma.batch.create({ data: b as any });
+            console.log(`Created Batch: ${b.name} (${b.strain})`);
+        }
+    }
+
+    // ============================================
+    // DEMO TASKS
+    // ============================================
+    const demoTasks = [
+        {
+            title: 'IPM Treatment - Flower Room',
+            description: 'Apply weekly IPM spray to all flower room plants',
+            status: 'PENDING',
+            priority: 'HIGH',
+            dueDate: new Date(Date.now() - 2 * 24 * 60 * 60 * 1000), // 2 days overdue
+            assignedToId: owner?.id
+        },
+        {
+            title: 'Nutrient Tank pH Calibration',
+            description: 'Calibrate pH meters and check EC levels in all nutrient tanks',
+            status: 'PENDING',
+            priority: 'MEDIUM',
+            dueDate: new Date(Date.now() - 1 * 24 * 60 * 60 * 1000), // 1 day overdue
+            assignedToId: owner?.id
+        },
+        {
+            title: 'HVAC Filter Replacement',
+            description: 'Replace HEPA filters in all grow rooms',
+            status: 'PENDING',
+            priority: 'LOW',
+            dueDate: new Date(Date.now() + 3 * 24 * 60 * 60 * 1000), // Due in 3 days
+            assignedToId: owner?.id
+        },
+        {
+            title: 'Weekly Crop Steering Review',
+            description: 'Review VPD charts and adjust environmental targets',
+            status: 'IN_PROGRESS',
+            priority: 'HIGH',
+            dueDate: new Date(Date.now() + 1 * 24 * 60 * 60 * 1000),
+            assignedToId: owner?.id
+        }
+    ];
+
+    for (const t of demoTasks) {
+        const existing = await prisma.task.findFirst({ where: { title: t.title } });
+        if (!existing) {
+            await prisma.task.create({ data: t as any });
+            console.log(`Created Task: ${t.title}`);
+        }
+    }
+
+    // ============================================
+    // PULSE SENSOR MAPPING
+    // ============================================
+    // Map Pulse sensor device 11666 to Flower Room
+    if (flowerRoom) {
+        const existingSensor = await prisma.sensor.findFirst({
+            where: { externalId: '11666', type: 'VPD' }
+        });
+        if (!existingSensor) {
+            await prisma.sensor.create({
+                data: {
+                    name: 'Veridian Demo Pulse',
+                    type: 'VPD',
+                    externalId: '11666',
+                    location: 'Flower Room',
+                    status: 'ACTIVE',
+                    roomId: flowerRoom.id
+                } as any
+            });
+            console.log('Created Pulse sensor mapping for device 11666');
+        }
+    }
+
     console.log('Seeding complete.');
 }
 
diff --git a/frontend/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/frontend/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
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