feat: 完成模拟交易闭环、App 与 A 股行情接入

统一单入口 Go 工程与前端依赖目录，增加后台供应商配置、候选审核、计划预算、成交冲正、持仓复盘和站内通知。接入策略版本、Python 回测、可配置 A 股公开行情及 zap 文件轮转日志，补充迁移、契约与验证。

apps/mobile/app/candidates/[id].tsx

@@ -0,0 +1,14 @@
+import {Linking,Text} from "react-native"
+import {useLocalSearchParams,useRouter} from "expo-router"
+import {useQuery} from "@tanstack/react-query"
+import {useState} from "react"
+import {useSession} from "../../src/state/session"
+import {Body,Button,ErrorMessage,Panel,Screen,Title,styles} from "../../src/components/ui"
+import {publicationAvailable,type Candidate} from "../../src/lib/candidates"
+export default function CandidateDetail(){
+ const {id}=useLocalSearchParams<{id:string}>(),{session,client}=useSession(),[linkError,setLinkError]=useState("")
+ const query=useQuery({queryKey:["candidate",session?.user.id,id],enabled:!!session&&typeof id==="string",queryFn:({signal})=>client<Candidate>(`/api/v1/candidates/${encodeURIComponent(id)}`,{signal}),refetchInterval:15000})
+ const c=query.data,router=useRouter()
+ async function open(url:string){setLinkError("");try{const parsed=new URL(url);if(parsed.protocol!=="https:"||parsed.username||parsed.password)throw new Error("证据链接无效。");await Linking.openURL(url)}catch{setLinkError("无法打开证据来源，请稍后重试。")}}
+ return <Screen><Title>{c?.content.name??"候选详情"}</Title><Button secondary title={query.isFetching?"刷新中…":"刷新状态"} disabled={query.isFetching} onPress={()=>void query.refetch()}/>{query.isPending&&<Body>正在读取修订…</Body>}{query.error&&<ErrorMessage message={query.error.message}/>} {c&&<><Text style={styles.badge}>模拟候选 · 修订 {c.revision}</Text>{!publicationAvailable(c)&&<Panel accent><Text style={styles.subtitle}>此候选已失效</Text><Body>{c.status==="WITHDRAWN"?c.withdrawal_reason||"管理员已撤回此修订。":"此修订已过期或已被新发布版本替代。"}历史依据保留供查看。</Body></Panel>}<Button title="预览模拟买入计划" disabled={!publicationAvailable(c)||query.isFetching||!!query.error} onPress={()=>router.push({pathname:"/plans/create",params:{candidate_id:c.id}})}/><Text style={styles.subtitle}>{c.content.title}</Text><Body>{c.content.exchange}:{c.content.symbol} · 观察 {new Date(c.observed_at).toLocaleString("zh-CN")} · 有效截止 {new Date(c.valid_until).toLocaleString("zh-CN")}</Body><Panel><Text style={styles.subtitle}>观察逻辑</Text><Body>{c.content.thesis}</Body></Panel><Panel><Text style={styles.subtitle}>反证与风险</Text><Body>{c.content.counter_evidence}</Body><Text style={styles.subtitle}>失效条件</Text><Body>{c.content.invalidation}</Body></Panel><Text style={styles.subtitle}>证据来源</Text>{c.content.evidence.map((e,i)=><Panel key={i}><Text style={styles.subtitle}>{e.locator}</Text><Body>{e.summary}</Body><Button secondary title="打开原始来源" onPress={()=>void open(e.source_url)}/></Panel>)}<ErrorMessage message={linkError}/><Panel><Text style={styles.subtitle}>参考价格</Text><Body>区间 ¥{c.content.reference_plan.entry_low}–{c.content.reference_plan.entry_high}</Body><Body>风险价格 ¥{c.content.reference_plan.stop_loss} · 目标观察 ¥{c.content.reference_plan.target_price}</Body><Body>参考价格来自手工录入，当前不代表实时行情或已确认交易计划。</Body></Panel></>}</Screen>
+}