don't save model config back to yaml when saving detectors

web/src/components/config-form/section-configs/detectors.ts

@@ -10,7 +10,6 @@ const detectorHiddenFields = [
 const detectors: SectionConfigOverrides = {
   base: {
     sectionDocs: "/configuration/object_detectors",
-    restartRequired: [],
     fieldOrder: [],
     advancedFields: [],
     hiddenFields: detectorHiddenFields,

web/src/components/config-form/sections/section-special-cases.ts

@@ -146,5 +146,26 @@ export function sanitizeOverridesForSection(
     };
   }
 
+  // detectors: Strip readonly model fields that are generated on startup
+  // and should never be persisted back to the config file.
+  if (sectionPath === "detectors") {
+    const overridesObj = overrides as JsonObject;
+    const cleaned: JsonObject = {};
+
+    Object.entries(overridesObj).forEach(([key, value]) => {
+      if (!isJsonObject(value)) {
+        cleaned[key] = value;
+        return;
+      }
+
+      const cleanedValue = { ...value } as JsonObject;
+      delete cleanedValue.model;
+      delete cleanedValue.model_path;
+      cleaned[key] = cleanedValue;
+    });
+
+    return cleaned;
+  }
+
   return overrides;
 }

web/src/components/config-form/theme/fields/DetectorHardwareField.tsx

@@ -6,6 +6,7 @@ import type {
   UiSchema,
 } from "@rjsf/utils";
 import { toFieldPathId } from "@rjsf/utils";
+import { cloneDeep, set as lodashSet } from "lodash";
 import { useCallback, useEffect, useMemo, useState } from "react";
 import { useTranslation } from "react-i18next";
 import {
@@ -297,8 +298,8 @@ export function DetectorHardwareField(props: FieldProps) {
   }, [detectors]);
 
   const updateDetectors = useCallback(
-    (nextDetectors: JsonObject) => {
-      onChange(nextDetectors as unknown, [] as FieldPathList);
+    (nextDetectors: JsonObject, path?: FieldPathList) => {
+      onChange(nextDetectors as unknown, path ?? ([] as FieldPathList));
     },
     [onChange],
   );
@@ -562,14 +563,12 @@ export function DetectorHardwareField(props: FieldProps) {
 
       const handleInstanceChange = (
         nextValue: unknown,
-        _path: FieldPathList,
+        path: FieldPathList,
         _errors?: ErrorSchema,
         _id?: string,
       ) => {
-        const nextDetectors = {
-          ...detectors,
-          [key]: nextValue ?? {},
-        } as JsonObject;
+        const nextDetectors = cloneDeep(detectors);
+        lodashSet(nextDetectors, path, nextValue);
         updateDetectors(nextDetectors);
       };