fix(rm): force-emit ctrl every tick (static alwaysEmitFields)

Realized control position is constant in steady state, so delta compression
emitted it ~once and the Grafana "% Control" line went invisible. Exempt
`ctrl` from delta compression so the pump's movement always traces.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/nodeClass.js

@@ -11,6 +11,10 @@ class nodeClass extends BaseNodeAdapter {
   static commands = commands;
   static tickInterval = null;
   static statusInterval = 1000;
+  // Realized control position holds constant in steady state, so delta
+  // compression would emit it ~once and the Grafana "% Control" line goes
+  // invisible. Force it every tick so the pump's movement always traces.
+  static alwaysEmitFields = ['ctrl'];
 
   buildDomainConfig(uiConfig) {
     _rejectLegacyAssetFields(uiConfig);

src/specificClass.js

@@ -229,10 +229,18 @@ class Machine extends BaseDomain {
     this.measurements.type('temperature').variant('measured').position('atEquipment').value(15, Date.now(), tu);
     this.measurements.type('atmPressure').variant('measured').position('atEquipment').value(101325, Date.now(), 'Pa');
     const fu = this.unitPolicy.canonical.flow;
+    const pu = this.unitPolicy.canonical.power;
     const fmin = this.predictFlow ? this.predictFlow.currentFxyYMin : 0;
     const fmax = this.predictFlow ? this.predictFlow.currentFxyYMax : 0;
     this.measurements.type('flow').variant('predicted').position('max').value(fmax, Date.now(), fu);
     this.measurements.type('flow').variant('predicted').position('min').value(fmin, Date.now(), fu);
+    // Seed the operating-point series at boot so telemetry always carries them
+    // (0 while idle, real values once calcFlow/calcPower run when operational).
+    // Without this an idle-from-boot machine never emits these keys — the
+    // dashboard can't even show the off/0 state. Mirrors max/min above.
+    this.measurements.type('flow').variant('predicted').position('downstream').value(0, Date.now(), fu);
+    this.measurements.type('flow').variant('predicted').position('atEquipment').value(0, Date.now(), fu);
+    this.measurements.type('power').variant('predicted').position('atEquipment').value(0, Date.now(), pu);
   }
 
   _callMeasurementHandler(measurementType, value, position, context = {}) {

test/edge/output-format.edge.test.js

@@ -36,6 +36,31 @@ test('getOutput contains all required fields in idle state', () => {
   assert.ok('pressureDriftFlags' in output);
 });
 
+test('getOutput seeds operating-point flow/power telemetry at boot (idle = 0, not absent)', () => {
+  // Regression: an idle-from-boot machine must still emit the operating-point
+  // series so dashboards can show the off/0 state. These keys are otherwise
+  // only written once the pump runs (calcFlow/calcPower) or on a state
+  // transition, leaving them absent in telemetry for a pump that never starts.
+  const machine = new Machine(makeMachineConfig(), makeStateConfig());
+  const output = machine.getOutput();
+
+  const hasPrefix = (p) => Object.keys(output).some((k) => k.startsWith(p));
+  const valueFor = (p) => output[Object.keys(output).find((k) => k.startsWith(p))];
+
+  for (const prefix of [
+    'flow.predicted.downstream',
+    'flow.predicted.atequipment',
+    'power.predicted.atequipment',
+  ]) {
+    assert.ok(hasPrefix(prefix), `${prefix}.* must be present at boot (idle)`);
+    assert.equal(valueFor(prefix), 0, `${prefix}.* should be 0 while idle`);
+  }
+
+  // The envelope keys remain present too.
+  assert.ok(hasPrefix('flow.predicted.max'));
+  assert.ok(hasPrefix('flow.predicted.min'));
+});
+
 test('getOutput flow drift fields appear after sufficient measured flow samples', async () => {
   const machine = new Machine(makeMachineConfig(), makeStateConfig());