fix(ui): подтверждать выполнение команд терминала

lib/terminal-response.test.ts

@@ -0,0 +1,6 @@
+import {test} from "node:test"
+import assert from "node:assert/strict"
+import {terminalServersSchema,readTerminalOutput,readTerminalUrl,patchTerminalUrl} from "./terminal-response"
+test("terminal catalog requires explicit state and unique IDs",()=>{const row={id:1,name:"",host:"192.0.2.1",country:"RU",enabled:true,status:null};assert.equal(terminalServersSchema.parse([row])[0].status,null);for(const raw of [{},[row,row],[{...row,status:undefined}],[{...row,enabled:undefined}]])assert.equal(terminalServersSchema.safeParse(raw).success,false)})
+test("terminal output distinguishes empty success, malformed and legacy errors",()=>{assert.equal(readTerminalOutput({output:""}),"");assert.equal(readTerminalOutput({output:"0\nok"}),"0\nok");for(const raw of [{},{error:"fail"},{output:null},{output:"error: refused"},{output:"bad command name remove"},{output:"ok",error:"fail"}])assert.throws(()=>readTerminalOutput(raw))})
+test("terminal URL refuses ambiguous/malformed context, preserves unrelated parameters",()=>{for(const q of ["server=1&host=x","server=1&server=2","host=","server=bad%20id"])assert.ok(readTerminalUrl(new URLSearchParams(q)).error);assert.equal(readTerminalUrl(new URLSearchParams("host=192.0.2.1")).host,"192.0.2.1");assert.equal(patchTerminalUrl(new URLSearchParams("host=x&ref=map"),"2"),"/terminal?ref=map&server=2")})