fix(BE): Change migration chickin and project flock population to refactored one

internal/database/migrations/20251030134542_recreate_project_flock_populations.up.sql

@@ -0,0 +1,57 @@
+-- ============================================
+-- MIGRATION: project_flock_populations
+-- ============================================
+
+-- STEP 1: Hapus tabel jika sudah ada
+
+-- STEP 2: Buat tabel project_flock_populations
+CREATE TABLE IF NOT EXISTS project_flock_populations (
+    id BIGSERIAL PRIMARY KEY,
+    project_chickin_id BIGINT NOT NULL,
+    product_warehouse_id BIGINT NOT NULL,
+    total_qty NUMERIC(15, 3) NOT NULL,
+    total_used_qty NUMERIC(15, 3) DEFAULT 0,
+    notes TEXT,
+    created_by BIGINT NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT now(),
+    updated_at TIMESTAMPTZ DEFAULT now(),
+    deleted_at TIMESTAMPTZ
+);
+
+-- STEP 3: FOREIGN KEYS
+DO $$
+BEGIN
+    -- Relasi ke project_chickins
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'project_chickins') THEN
+        ALTER TABLE project_flock_populations
+            ADD CONSTRAINT fk_project_flock_populations_chickin
+            FOREIGN KEY (project_chickin_id)
+            REFERENCES project_chickins(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+
+    -- Relasi ke product_warehouses
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'product_warehouses') THEN
+        ALTER TABLE project_flock_populations
+            ADD CONSTRAINT fk_project_flock_populations_warehouse
+            FOREIGN KEY (product_warehouse_id)
+            REFERENCES product_warehouses(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+
+    -- Relasi ke users
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'users') THEN
+        ALTER TABLE project_flock_populations
+            ADD CONSTRAINT fk_project_flock_populations_created_by
+            FOREIGN KEY (created_by)
+            REFERENCES users(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+END $$;
+
+-- STEP 4: INDEXES
+CREATE INDEX IF NOT EXISTS idx_populations_chickin_id ON project_flock_populations (project_chickin_id);
+
+CREATE INDEX IF NOT EXISTS idx_populations_warehouse_id ON project_flock_populations (product_warehouse_id);
+
+CREATE INDEX IF NOT EXISTS idx_populations_created_by ON project_flock_populations (created_by);