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

backend/migrations/096_payment_provider_instances.sql

@@ -0,0 +1,15 @@
+CREATE TABLE IF NOT EXISTS payment_provider_instances (
+    id BIGSERIAL PRIMARY KEY,
+    provider_key VARCHAR(30) NOT NULL,
+    name VARCHAR(100) NOT NULL DEFAULT '',
+    config TEXT NOT NULL,
+    supported_types VARCHAR(200) NOT NULL DEFAULT '',
+    enabled BOOLEAN NOT NULL DEFAULT TRUE,
+    sort_order INT NOT NULL DEFAULT 0,
+    limits TEXT NOT NULL DEFAULT '',
+    refund_enabled BOOLEAN NOT NULL DEFAULT FALSE,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+CREATE INDEX IF NOT EXISTS idx_payment_provider_instances_provider_key ON payment_provider_instances(provider_key);
+CREATE INDEX IF NOT EXISTS idx_payment_provider_instances_enabled ON payment_provider_instances(enabled);