copy(contracts): 设置校验、事件说明与 API 摘要统一术语

恢复水位 / 硬阈值 → 恢复线 / 暂停线;库根、哨兵、Feed、快照、建档、纳管等按术语表改。

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Cxwgnn2pbzQ7rXv3rq7fei

packages/contracts/src/settings.ts

@@ -62,8 +62,8 @@ const CacheShape = z.object({
 });
 /** 下载缓存卷硬阈值与恢复水位(REQ §8.4.1) */
 export const CacheSettings = CacheShape.refine((v) => v.resumePercent < v.hardThresholdPercent, {
-  message: "恢复水位必须低于硬阈值",
-}).refine((v) => v.cleanupTargetPercent <= v.resumePercent, { message: "清理目标不得高于恢复水位" });
+  message: "恢复线必须低于暂停线",
+}).refine((v) => v.cleanupTargetPercent <= v.resumePercent, { message: "清理目标不能高于恢复线" });
 export type CacheSettings = z.infer<typeof CacheSettings>;
 
 export const OrganizeMode = z.enum(["copy", "move"]);
@@ -534,7 +534,7 @@ export const StorageBudgets = z
     /** Agent 会话 + 视觉证据(DATA_DIR/agent-sessions、tmp/evidence)预算(GB) */
     sessionsEvidenceGb: Gb,
   })
-  .refine((v) => v.pgDataWarnGb <= v.pgDataGb, { message: "PG 告警线不得高于预算" });
+  .refine((v) => v.pgDataWarnGb <= v.pgDataGb, { message: "PG 告警线不能高于预算" });
 export type StorageBudgets = z.infer<typeof StorageBudgets>;
 
 /** 各类流水数据保留期(到期由 storage.retention.* 定时任务分批删除) */
@@ -1130,7 +1130,7 @@ export const SETTINGS_SECTIONS: readonly SettingsSectionDef[] = [
     id: "agent",
     group: "flow",
     label: "智能体",
-    description: "模型服务、用量与防跑飞限制、自动处理、网页搜索、MCP",
+    description: "模型服务、用量与限制、自动处理、网页搜索、MCP",
     legacyTabs: [{ tab: "pi" }],
     anchors: [
       { id: "upstream", label: "模型服务", keywords: ["默认模型服务", "订阅登录"] },