[FEAT/BE]Fix remove fcr master data and changes to standart production

internal/database/migrations/20260203063959_remove_fcr_id_project_flock.down.sql

@@ -0,0 +1,47 @@
+BEGIN;
+
+DO $$
+DECLARE
+    fallback_fcr_id BIGINT;
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1
+        FROM information_schema.columns
+        WHERE table_schema = 'public'
+          AND table_name = 'project_flocks'
+          AND column_name = 'fcr_id'
+    ) THEN
+        ALTER TABLE project_flocks
+            ADD COLUMN fcr_id BIGINT;
+    END IF;
+
+    SELECT id INTO fallback_fcr_id
+    FROM fcrs
+    ORDER BY id ASC
+    LIMIT 1;
+
+    IF fallback_fcr_id IS NOT NULL THEN
+        UPDATE project_flocks
+        SET fcr_id = fallback_fcr_id
+        WHERE fcr_id IS NULL;
+
+        ALTER TABLE project_flocks
+            ALTER COLUMN fcr_id SET NOT NULL;
+    END IF;
+
+    IF EXISTS (
+        SELECT 1
+        FROM pg_constraint
+        WHERE conname = 'project_flocks_fcr_id_fkey'
+    ) THEN
+        ALTER TABLE project_flocks
+            DROP CONSTRAINT project_flocks_fcr_id_fkey;
+    END IF;
+
+    ALTER TABLE project_flocks
+        ADD CONSTRAINT project_flocks_fcr_id_fkey
+        FOREIGN KEY (fcr_id) REFERENCES fcrs(id)
+        ON DELETE RESTRICT ON UPDATE CASCADE;
+END $$;
+
+COMMIT;

internal/database/migrations/20260203063959_remove_fcr_id_project_flock.up.sql

@@ -0,0 +1,26 @@
+BEGIN;
+
+DO $$
+BEGIN
+    IF EXISTS (
+        SELECT 1
+        FROM information_schema.columns
+        WHERE table_schema = 'public'
+          AND table_name = 'project_flocks'
+          AND column_name = 'fcr_id'
+    ) THEN
+        IF EXISTS (
+            SELECT 1
+            FROM pg_constraint
+            WHERE conname = 'project_flocks_fcr_id_fkey'
+        ) THEN
+            ALTER TABLE project_flocks
+                DROP CONSTRAINT project_flocks_fcr_id_fkey;
+        END IF;
+
+        ALTER TABLE project_flocks
+            DROP COLUMN fcr_id;
+    END IF;
+END $$;
+
+COMMIT;