feat: 新增错误重试记忆表/entity/consts

update.sql

@@ -361,4 +361,28 @@ WHERE r.system_model = false AND s.system_model = true
 ALTER TABLE model_gateway_model_manage
     ADD COLUMN IF NOT EXISTS error_message_mapping JSONB DEFAULT NULL;
 COMMENT ON COLUMN model_gateway_model_manage.error_message_mapping
-    IS '错误消息映射：{code,message} 的 schema 树（type/attrs/value/defaultValue），解析模型错误响应，defaultValue 为成功码';
+    IS '错误消息映射：{code,message} 的 schema 树（type/attrs/value/defaultValue），解析模型错误响应，defaultValue 为成功码';
+
+-- =========================
+-- 错误重试记忆：LLM 分析上游模型错误是否可重试的持久知识库
+-- memory_key = SHA-256(upstream|error_code|归一化消息)，唯一；命中直接复用，永久有效
+-- =========================
+CREATE TABLE IF NOT EXISTS model_gateway_error_memory (
+    id              BIGSERIAL PRIMARY KEY,
+    tenant_id       BIGINT DEFAULT 0,
+    creator         VARCHAR(64) DEFAULT '',
+    created_at      TIMESTAMPTZ DEFAULT now(),
+    updater         VARCHAR(64) DEFAULT '',
+    updated_at      TIMESTAMPTZ DEFAULT now(),
+    deleted_at      TIMESTAMPTZ DEFAULT NULL,
+    memory_key      CHAR(64) NOT NULL,
+    upstream        VARCHAR(512) NOT NULL DEFAULT '',
+    error_code      VARCHAR(128) NOT NULL DEFAULT '',
+    msg_fingerprint CHAR(32) NOT NULL DEFAULT '',
+    retryable       BOOLEAN NOT NULL DEFAULT false,
+    reason          VARCHAR(512) NOT NULL DEFAULT '',
+    analyzed_by     VARCHAR(128) NOT NULL DEFAULT ''
+);
+CREATE UNIQUE INDEX IF NOT EXISTS uk_error_memory_memory_key
+    ON model_gateway_error_memory (memory_key)
+    WHERE deleted_at IS NULL;