add unsaved changes icon/popover to individual settings section

web/src/components/config-form/sections/BaseSection.tsx

@@ -65,10 +65,14 @@ import {
   globalCameraDefaultSections,
   buildOverrides,
   buildConfigDataForPath,
+  flattenOverrides,
   getBaseCameraSectionValue,
   sanitizeSectionData as sharedSanitizeSectionData,
   requiresRestartForOverrides as sharedRequiresRestartForOverrides,
 } from "@/utils/configUtil";
+import SaveAllPreviewPopover, {
+  type SaveAllPreviewItem,
+} from "@/components/overlay/detail/SaveAllPreviewPopover";
 import RestartDialog from "@/components/overlay/dialog/RestartDialog";
 import { useRestart } from "@/api/ws";
 import type {
@@ -913,6 +917,34 @@ export function ConfigSection({
     );
   }, [sectionConfig?.renderers, sectionPath, cameraName, setPendingData]);
 
+  // Build a flat list of pending field changes for this section only.
+  // Mirrors the global Save All preview but scoped to the current section so
+  // users can inspect what will be saved without leaving the section.
+  const sectionPreviewItems = useMemo<SaveAllPreviewItem[]>(() => {
+    if (!hasChanges) return [];
+    if (!effectiveOverrides || typeof effectiveOverrides !== "object") {
+      return [];
+    }
+    const flattened = flattenOverrides(effectiveOverrides as JsonValue);
+    return flattened.map(({ path, value }) => ({
+      scope: effectiveLevel,
+      cameraName,
+      profileName: profileName
+        ? (profileFriendlyName ?? profileName)
+        : undefined,
+      fieldPath: path ? `${sectionPath}.${path}` : sectionPath,
+      value,
+    }));
+  }, [
+    hasChanges,
+    effectiveOverrides,
+    effectiveLevel,
+    cameraName,
+    profileName,
+    profileFriendlyName,
+    sectionPath,
+  ]);
+
   if (!modifiedSchema) {
     return null;
   }
@@ -1018,6 +1050,12 @@ export function ConfigSection({
                   defaultValue: "You have unsaved changes",
                 })}
               </span>
+              <SaveAllPreviewPopover
+                items={sectionPreviewItems}
+                className="h-7 w-7"
+                align="start"
+                side="top"
+              />
             </div>
           )}
           <div className="flex w-full flex-col gap-2 sm:flex-row sm:items-center md:w-auto">

web/src/pages/Settings.tsx

@@ -28,11 +28,7 @@ import useOptimisticState from "@/hooks/use-optimistic-state";
 import { isMobile } from "react-device-detect";
 import { FaVideo } from "react-icons/fa";
 import { CameraConfig, FrigateConfig } from "@/types/frigateConfig";
-import type {
-  ConfigSectionData,
-  JsonObject,
-  JsonValue,
-} from "@/types/configForm";
+import type { ConfigSectionData, JsonObject } from "@/types/configForm";
 import useSWR from "swr";
 import FilterSwitch from "@/components/filter/FilterSwitch";
 import { ZoneMaskFilterButton } from "@/components/filter/ZoneMaskFilter";
@@ -93,6 +89,7 @@ import { mutate } from "swr";
 import { RJSFSchema } from "@rjsf/utils";
 import {
   buildConfigDataForPath,
+  flattenOverrides,
   parseProfileFromSectionPath,
   prepareSectionSavePayload,
   PROFILE_ELIGIBLE_SECTIONS,
@@ -190,25 +187,6 @@ const parsePendingDataKey = (pendingDataKey: string) => {
   };
 };
 
-const flattenOverrides = (
-  value: JsonValue | undefined,
-  path: string[] = [],
-): Array<{ path: string; value: JsonValue }> => {
-  if (value === undefined) return [];
-  if (value === null || typeof value !== "object" || Array.isArray(value)) {
-    return [{ path: path.join("."), value }];
-  }
-
-  const entries = Object.entries(value);
-  if (entries.length === 0) {
-    return [{ path: path.join("."), value: {} }];
-  }
-
-  return entries.flatMap(([key, entryValue]) =>
-    flattenOverrides(entryValue, [...path, key]),
-  );
-};
-
 const createSectionPage = (
   sectionKey: string,
   level: "global" | "camera",

web/src/utils/configUtil.ts

@@ -219,6 +219,32 @@ export function buildOverrides(
   return current;
 }
 
+// ---------------------------------------------------------------------------
+// flattenOverrides — turn an overrides object into a list of leaf paths
+// ---------------------------------------------------------------------------
+
+// Walks a nested overrides value and produces a flat list of `{ path, value }`
+// entries, one per leaf.  Used by save/preview UIs to enumerate the individual
+// fields that will be changed.
+export function flattenOverrides(
+  value: JsonValue | undefined,
+  path: string[] = [],
+): Array<{ path: string; value: JsonValue }> {
+  if (value === undefined) return [];
+  if (value === null || typeof value !== "object" || Array.isArray(value)) {
+    return [{ path: path.join("."), value }];
+  }
+
+  const entries = Object.entries(value);
+  if (entries.length === 0) {
+    return [{ path: path.join("."), value: {} }];
+  }
+
+  return entries.flatMap(([key, entryValue]) =>
+    flattenOverrides(entryValue, [...path, key]),
+  );
+}
+
 // ---------------------------------------------------------------------------
 // sanitizeSectionData — normalize config values and strip hidden fields
 // ---------------------------------------------------------------------------