Feat(BE-127): create migration for transfer to laying and inisiate module

internal/database/migrations/20251029074825_create_laying_transfers_table.down.sql

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+DROP TABLE IF EXISTS laying_transfers;

internal/database/migrations/20251029074825_create_laying_transfers_table.up.sql

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+CREATE TABLE IF NOT EXISTS laying_transfers (
+    id BIGSERIAL PRIMARY KEY,
+    from_project_flock_id BIGINT NOT NULL,
+    to_project_flock_id BIGINT NOT NULL,
+    total_quantity INTEGER,
+    notes TEXT,
+    created_at TIMESTAMPTZ DEFAULT now(),
+    updated_at TIMESTAMPTZ DEFAULT now(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT
+);
+
+-- FOREIGN KEYS (dijalankan setelah semua tabel parent ada)
+DO $$
+BEGIN
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'project_flocks') THEN
+        ALTER TABLE laying_transfers
+            ADD CONSTRAINT fk_laying_from_project_flock
+            FOREIGN KEY (from_project_flock_id)
+            REFERENCES project_flocks(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+        ALTER TABLE laying_transfers
+            ADD CONSTRAINT fk_laying_to_project_flock
+            FOREIGN KEY (to_project_flock_id)
+            REFERENCES project_flocks(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'users') THEN
+        ALTER TABLE laying_transfers
+            ADD CONSTRAINT fk_laying_created_by
+            FOREIGN KEY (created_by)
+            REFERENCES users(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+END $$;
+
+-- INDEXES
+CREATE INDEX IF NOT EXISTS idx_laying_transfers_from_project_flock_id ON laying_transfers(from_project_flock_id);
+CREATE INDEX IF NOT EXISTS idx_laying_transfers_to_project_flock_id ON laying_transfers(to_project_flock_id);
+CREATE INDEX IF NOT EXISTS idx_laying_transfers_created_by ON laying_transfers(created_by);
+CREATE INDEX IF NOT EXISTS idx_laying_transfers_deleted_at ON laying_transfers(deleted_at);

internal/database/migrations/20251029081833_create_laying_kandang_transfers_table.down.sql

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+DROP TABLE IF EXISTS laying_kandang_transfers;

internal/database/migrations/20251029081833_create_laying_kandang_transfers_table.up.sql

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+CREATE TABLE IF NOT EXISTS laying_kandang_transfers (
+    id BIGSERIAL PRIMARY KEY,
+    kandang_id BIGINT,
+    product_warehouse_id BIGINT,
+    qty NUMERIC(15,3),
+    laying_transfer_id BIGINT NOT NULL
+);
+
+-- FOREIGN KEYS (dijalankan setelah semua tabel parent ada)
+DO $$
+BEGIN
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'kandangs') THEN
+        ALTER TABLE laying_kandang_transfers
+            ADD CONSTRAINT fk_laying_kandang_transfers_kandang
+            FOREIGN KEY (kandang_id)
+            REFERENCES kandangs(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'product_warehouses') THEN
+        ALTER TABLE laying_kandang_transfers
+            ADD CONSTRAINT fk_laying_kandang_transfers_product_warehouse
+            FOREIGN KEY (product_warehouse_id)
+            REFERENCES product_warehouses(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'laying_transfers') THEN
+        ALTER TABLE laying_kandang_transfers
+            ADD CONSTRAINT fk_laying_kandang_transfers_laying_transfer
+            FOREIGN KEY (laying_transfer_id)
+            REFERENCES laying_transfers(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+END $$;
+
+-- INDEXES
+CREATE INDEX IF NOT EXISTS idx_laying_kandang_transfers_kandang_id ON laying_kandang_transfers(kandang_id);
+CREATE INDEX IF NOT EXISTS idx_laying_kandang_transfers_product_warehouse_id ON laying_kandang_transfers(product_warehouse_id);
+CREATE INDEX IF NOT EXISTS idx_laying_kandang_transfers_laying_transfer_id ON laying_kandang_transfers(laying_transfer_id);