fix(system): preserve MQTT interval draft editing

apps/control-station/test/systemTelemetry.test.mjs

@@ -1,6 +1,7 @@
 import assert from "node:assert/strict";
 import { readFile } from "node:fs/promises";
 import { test } from "node:test";
+import ts from "typescript";
 
 const sourceRoot = new URL("../src/", import.meta.url);
 
@@ -19,6 +20,7 @@ test("Worker 006 telemetry remains a bounded system feature slice", async () =>
     telemetryPolling,
     contourSettings,
     contourContract,
+    pollIntervalContract,
     telemetryStyles,
     styles,
   ] = await Promise.all([
@@ -31,6 +33,7 @@ test("Worker 006 telemetry remains a bounded system feature slice", async () =>
     read("core/system/useWorkerTelemetry.ts"),
     read("components/system/ComputeContourSettingsWindow.tsx"),
     read("core/system/computeContours.ts"),
+    read("core/system/telemetryPollInterval.ts"),
     read("styles/system-telemetry.css"),
     read("styles.css"),
   ]);
@@ -71,6 +74,49 @@ test("Worker 006 telemetry remains a bounded system feature slice", async () =>
   assert.doesNotMatch(networkWorkspace, /8765/);
   assert.match(contourSettings, /FieldFrame label="Операционная система"/);
   assert.match(contourSettings, /label="Интервал MQTT"/);
+  assert.match(contourSettings, /value=\{telemetryPollIntervalDraft\}/);
+  assert.match(contourSettings, /onBlur=\{commitTelemetryPollInterval\}/);
+  assert.match(contourSettings, /event\.key === "Escape"/);
+  assert.doesNotMatch(
+    contourSettings,
+    /telemetry_poll_interval_seconds:\s*Number\(event\.currentTarget\.value\)/,
+  );
   assert.match(contourContract, /telemetry_poll_interval_seconds: number/);
+  assert.match(pollIntervalContract, /MIN_TELEMETRY_POLL_INTERVAL_SECONDS\s*=\s*1/);
+  assert.match(telemetryPolling, /normalizeWorkerTelemetryPollMilliseconds/);
   assert.match(styles, /system-telemetry\.css/);
 });
+
+test("MQTT polling interval keeps an unrestricted draft until explicit commit", async () => {
+  const source = await read("core/system/telemetryPollInterval.ts");
+  const javascript = ts.transpileModule(source, {
+    compilerOptions: {
+      module: ts.ModuleKind.ES2022,
+      target: ts.ScriptTarget.ES2022,
+    },
+  }).outputText;
+  const contract = await import(
+    `data:text/javascript;base64,${Buffer.from(javascript).toString("base64")}`
+  );
+
+  assert.equal(contract.parseTelemetryPollIntervalDraft(""), null);
+  assert.equal(contract.parseTelemetryPollIntervalDraft("0"), null);
+  assert.equal(contract.parseTelemetryPollIntervalDraft("0,1"), null);
+  assert.equal(contract.parseTelemetryPollIntervalDraft("0.1"), null);
+  assert.equal(contract.parseTelemetryPollIntervalDraft("1"), 1);
+  assert.equal(contract.parseTelemetryPollIntervalDraft("60"), 60);
+  assert.equal(contract.parseTelemetryPollIntervalDraft("61"), null);
+
+  assert.deepEqual(contract.resolveTelemetryPollIntervalDraft("", 3), {
+    accepted: false,
+    draft: "3",
+    seconds: 3,
+  });
+  assert.deepEqual(contract.resolveTelemetryPollIntervalDraft("01", 3), {
+    accepted: true,
+    draft: "1",
+    seconds: 1,
+  });
+  assert.equal(contract.normalizeWorkerTelemetryPollMilliseconds(100), 1_000);
+  assert.equal(contract.normalizeWorkerTelemetryPollMilliseconds(3_000), 3_000);
+});