chore(release): initialize separated production env

tests/unit/test_release_scripts.py

@@ -10,6 +10,19 @@ def test_restore_postgres_plan_is_non_destructive():
     assert "pg_restore" not in executable_prefix
 
 
+def test_init_production_env_is_non_deploying_and_separated():
+    script = Path("scripts/init_production_env.sh").read_text(encoding="utf-8")
+
+    assert "APP_ENV=production" in script
+    assert "ENVIRONMENT=production" in script
+    assert "xiaoxia-postgres-production" in script
+    assert "xiaoxia-redis-production" in script
+    assert "GENERATED_FILES_HOST_DIR=$GENERATED_DIR" in script
+    assert "ENABLE_EMAIL_DELIVERY=false" in script
+    assert "docker compose" not in script
+    assert "docker run" not in script
+
+
 def test_backup_postgres_writes_manifest_and_version():
     script = Path("scripts/backup_postgres.sh").read_text(encoding="utf-8")
 

tests/unit/test_validate_release_env.py

@@ -35,6 +35,32 @@ def test_validate_release_env_accepts_strict_production(tmp_path: Path):
     assert validate(parse_env_file(env_file), strict_external=True) == []
 
 
+def test_validate_release_env_allows_disabled_smtp_with_strict_external(tmp_path: Path):
+    env_file = tmp_path / ".env.production"
+    env_file.write_text(
+        "\n".join(
+            [
+                "APP_ENV=production",
+                "DATABASE_URL=postgresql+psycopg://user:pass@db:5432/app",
+                "JWT_SECRET_KEY=abcdefghijklmnopqrstuvwxyz123456",
+                "REDIS_URL=redis://redis:6379/0",
+                "ENABLE_EMAIL_DELIVERY=false",
+                "ENABLE_REDIS_SESSIONS=true",
+                "OSS_ENDPOINT=oss-cn-hangzhou.aliyuncs.com",
+                "OSS_ACCESS_KEY_ID=ak-real",
+                "OSS_ACCESS_KEY_SECRET=sk-real-secret",
+                "OSS_BUCKET_NAME=xiaoxia-prod",
+                "GENERATED_FILES_HOST_DIR=/var/lib/xiaoxia-saas-production/generated",
+                "DEBUG=false",
+                "AUTO_CREATE_SCHEMA=false",
+            ]
+        ),
+        encoding="utf-8",
+    )
+
+    assert validate(parse_env_file(env_file), strict_external=True) == []
+
+
 def test_validate_release_env_rejects_placeholders_and_staging_paths(tmp_path: Path):
     env_file = tmp_path / ".env.production"
     env_file.write_text(