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backend/database/migrations/007_add_manual_feed_sack.sql

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+-- Migration: Add manual_feed_sack_entries table
+-- Description: Store manual feed sack count entries separate from IOT camera data
+-- Date: 2026-04-19
+
+CREATE TABLE IF NOT EXISTS manual_feed_sack_entries (
+    id SERIAL PRIMARY KEY,
+    cycle_id VARCHAR(255) NOT NULL,
+    day INTEGER NOT NULL,
+    date DATE NOT NULL,
+    camera_name VARCHAR(255) NOT NULL,
+    count INTEGER NOT NULL CHECK(count >= 0),
+    created_by VARCHAR(255),
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (cycle_id) REFERENCES cycles(id) ON DELETE CASCADE,
+    UNIQUE(cycle_id, day, camera_name)
+);
+
+-- Create indexes for faster lookups
+CREATE INDEX IF NOT EXISTS idx_manual_feed_sack_cycle ON manual_feed_sack_entries(cycle_id);
+CREATE INDEX IF NOT EXISTS idx_manual_feed_sack_day ON manual_feed_sack_entries(day);
+CREATE INDEX IF NOT EXISTS idx_manual_feed_sack_camera ON manual_feed_sack_entries(camera_name);
+
+-- Trigger for automatic updated_at timestamp
+DROP TRIGGER IF EXISTS update_manual_feed_sack_entries_updated_at ON manual_feed_sack_entries;
+CREATE TRIGGER update_manual_feed_sack_entries_updated_at
+    BEFORE UPDATE ON manual_feed_sack_entries
+    FOR EACH ROW
+    EXECUTE FUNCTION update_updated_at_column();