chore: establish development baseline

deployments/postgres-init/01-init.sql

@@ -0,0 +1,37 @@
+-- BlueArchive Toolkit 数据库初始化脚本
+-- 此脚本在 PostgreSQL 容器首次启动时自动执行
+
+-- 创建扩展
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+CREATE EXTENSION IF NOT EXISTS "pg_trgm";  -- 用于模糊搜索
+
+-- 创建 schema
+CREATE SCHEMA IF NOT EXISTS bat;
+
+-- 设置默认 schema
+SET search_path TO bat, public;
+
+-- 创建基础表（详细表结构将在 migrations 中定义）
+
+-- 版本信息表
+CREATE TABLE IF NOT EXISTS bat.schema_version (
+    version VARCHAR(50) PRIMARY KEY,
+    applied_at TIMESTAMP DEFAULT NOW(),
+    description TEXT
+);
+
+-- 插入初始版本
+INSERT INTO bat.schema_version (version, description)
+VALUES ('0.1.0', '初始化数据库结构')
+ON CONFLICT (version) DO NOTHING;
+
+-- 授权
+GRANT ALL PRIVILEGES ON SCHEMA bat TO bat_user;
+GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA bat TO bat_user;
+GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA bat TO bat_user;
+
+-- 完成
+DO $$
+BEGIN
+    RAISE NOTICE '数据库初始化完成！';
+END $$;