docs(copy): 设置页账户与智能体分区文案按 human-copy 重写

- 改密码后的会话说法统一为「其他会话已退出」
- 模型服务向导里的 provider 统一写「提供方」
- 能力类别「提案」改「方案」;自动调查说明去掉「有界调查」

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

apps/web/app/components/settings/agent-tools.tsx

@@ -37,7 +37,7 @@ import { SettingsBlock } from "./settings-block.tsx";
 export const KIND_LABEL: Record<CapabilityKind, string> = {
   read: "只读",
   preview: "预览",
-  propose: "提案",
+  propose: "方案",
   approve: "审批",
   execute: "执行",
 };
@@ -49,7 +49,7 @@ const RISK: Record<RiskLevel, { label: string; tone: StatusTone }> = {
 };
 
 const AUTH: Record<CapabilityAuthState, { label: string; tone: StatusTone; hint: string }> = {
-  read_only: { label: "无需授权", tone: "neutral", hint: "只读或预览，不落变更，Key 有对应 scope 即可调用" },
+  read_only: { label: "无需授权", tone: "neutral", hint: "只读或预览，不改数据；Key 有对应 scope 就能调用" },
   granted: { label: "有持续授权", tone: "success", hint: "智能体、MCP、API Key 调用按持续授权放行" },
   needs_approval: {
     label: "需审批",