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

2026-08-21 18:30:13 +08:00
commit 6d655c9903
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+-- 冷归档旧账务幂等键，缩小热表索引与清理范围，同时不丢失长期去重能力。
+
+CREATE TABLE IF NOT EXISTS usage_billing_dedup_archive (
+    request_id VARCHAR(255) NOT NULL,
+    api_key_id BIGINT NOT NULL,
+    request_fingerprint VARCHAR(64) NOT NULL,
+    created_at TIMESTAMPTZ NOT NULL,
+    archived_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    PRIMARY KEY (request_id, api_key_id)
+);