fix: follow marker placement for room climate

Issue: #317
User-Visible: yes

scripts/mutation-gate.mjs

@@ -105,6 +105,19 @@ function relocateEditorPatch(patch, cardSource, editorSource) {
 // `find` обязан встречаться в файле ровно один раз: патч, который ложится «куда
 // попало», проверяет не то, что объявлен проверять. Это контролирует --check.
 const MUTANT_DEFINITIONS = [
+  {
+    id: 'room-climate-ignores-marker-placement',
+    guard: 'node demo/smoke_room_climate_placement.mjs',
+    because: 'a real sensor manually placed into a House Plan room must leave its registry HA '
+      + 'Area and feed the local room label, tooltip and temperature fill exactly once (#317)',
+    patches: [{
+      file: 'src/devices.ts',
+      find: '    const target = entityTargets.get(eid)\n'
+        + '      || (reg.device_id ? deviceTargets.get(reg.device_id) : null)\n'
+        + '      || reg.area_id || dev?.area_id || null;',
+      replace: '    const target = reg.area_id || dev?.area_id || null;',
+    }],
+  },
   {
     id: 'editor-runtime-fingerprint-handshake',
     guard: 'npx tsc -p tsconfig.test.json && node scripts/fix-test-build.mjs '

scripts/smoke-links.mjs

@@ -27,6 +27,13 @@
 
 /** @type {SmokeLink[]} */
 export const SMOKE_LINKS = [
+  {
+    symbols: ['roomClimateKey', 'roomClimateMap'],
+    smokes: ['smoke_room_climate_placement.mjs'],
+    because: 'the #317 production-bundle scenario proves one manually placed sensor through '
+      + 'room label, tooltip, temperature fill and hosted Static; those DOM surfaces cannot call '
+      + 'the pure room-target helpers directly',
+  },
   {
     symbols: [
       'LanguageRuntime', 'LanguageRuntimeContract', 'languageRenderGate',