fix(ui): сохранять подтверждённый снимок пути при ошибке API

lib/dashboard-path-response.test.ts

@@ -0,0 +1,22 @@
+import assert from "node:assert/strict"
+import {test} from "node:test"
+import {parseDashboardPath,parseDashboardSpeedProbes,parseDashboardWanRuntime,parseDashboardFilters} from "./dashboard-path-response"
+import {resolveDefaultRouteLookup,buildDashboardInternetPath} from "./dashboard-internet-path"
+import {servers} from "./data"
+const snapshot={sampledAt:"2026-10-03T00:00:00Z",servers:[],greTunnels:[],filtersRulesets:[],speedProbes:[],routeLookupByServerId:{},wanRuntimeByHomeId:{}}
+test("path validates explicit empty snapshot and rejects missing fields, foreign IDs and mismatched time",()=>{
+ assert.deepEqual(parseDashboardPath({snapshot:null}),{snapshot:null});assert.ok(parseDashboardPath({snapshot}))
+ for(const raw of [{},{snapshot:{}},{snapshot:null,sampledAt:snapshot.sampledAt},{snapshot:{...snapshot,speedProbes:undefined}},{snapshot:{...snapshot,routeLookupByServerId:{"99":null}}},{snapshot,sampledAt:"2026-10-03T01:00:00Z"}])assert.throws(()=>parseDashboardPath(raw))
+})
+test("path fallback validates rules, speed probes and WAN rather than silently using empty data",()=>{
+ assert.ok(parseDashboardSpeedProbes({probes:[]}));assert.ok(parseDashboardFilters({rulesets:[]}));assert.ok(parseDashboardWanRuntime({defaultGateway:null,defaultInterface:null,uplinks:[]}))
+ for(const work of [()=>parseDashboardSpeedProbes({}),()=>parseDashboardFilters({rulesets:[],stale:true}),()=>parseDashboardWanRuntime({}),()=>parseDashboardWanRuntime({defaultGateway:null,defaultInterface:null,uplinks:[{}]})])assert.throws(work)
+})
+test("route diagnostic rejects malformed and error output; no route is a confirmed empty result",async()=>{
+ for(const raw of [{},{output:"Error: denied"},{output:12}])await assert.rejects(resolveDefaultRouteLookup(async<T>()=>raw as T,"1"))
+ assert.deepEqual(await resolveDefaultRouteLookup(async<T>()=>({output:""}) as T,"1"),{gateway:null,routingMark:null})
+})
+test("configured WAN alone does not prove an observed current route",()=>{
+ const mapped=servers.map((s,i)=>({...s,id:String(i+1)}));const result=buildDashboardInternetPath({servers:mapped,greTunnels:[],filtersRulesets:[],probes:[],routeLookupByServerId:{},wanRuntimeByHomeId:{}})
+ assert.ok(result);assert.equal(result.pathState,"unknown");assert.equal(result.currentPath,null);assert.equal(result.activeWanUplink,null)
+})