Sub2API v1.0 - AI API 网关（二开初始版本，基于上游 Wei-Shaw/sub2api）

backend/migrations/095_subscription_plans.sql

@@ -0,0 +1,18 @@
+CREATE TABLE IF NOT EXISTS subscription_plans (
+    id BIGSERIAL PRIMARY KEY,
+    group_id BIGINT NOT NULL,
+    name VARCHAR(100) NOT NULL,
+    description TEXT NOT NULL DEFAULT '',
+    price DECIMAL(20,2) NOT NULL,
+    original_price DECIMAL(20,2),
+    validity_days INT NOT NULL DEFAULT 30,
+    validity_unit VARCHAR(10) NOT NULL DEFAULT 'day',
+    features TEXT NOT NULL DEFAULT '',
+    product_name VARCHAR(100) NOT NULL DEFAULT '',
+    for_sale BOOLEAN NOT NULL DEFAULT TRUE,
+    sort_order INT NOT NULL DEFAULT 0,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+CREATE INDEX IF NOT EXISTS idx_subscription_plans_group_id ON subscription_plans(group_id);
+CREATE INDEX IF NOT EXISTS idx_subscription_plans_for_sale ON subscription_plans(for_sale);