Enforce that all step images need to be classified

web/public/locales/en/views/classificationModel.json

@@ -148,6 +148,8 @@
     "step3": {
       "selectImagesPrompt": "Select all images with: {{className}}",
       "selectImagesDescription": "Click on images to select them. Click Continue when you're done with this class.",
+      "allImagesRequired_one": "Please classify all images. {{count}} image remaining.",
+      "allImagesRequired_other": "Please classify all images. {{count}} images remaining.",
       "generating": {
         "title": "Generating Sample Images",
         "description": "Frigate is pulling representative images from your recordings. This may take a moment..."

web/src/components/classification/wizard/Step3ChooseExamples.tsx

@@ -10,6 +10,12 @@ import useSWR from "swr";
 import { baseUrl } from "@/api/baseUrl";
 import { isMobile } from "react-device-detect";
 import { cn } from "@/lib/utils";
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipTrigger,
+} from "@/components/ui/tooltip";
+import { TooltipPortal } from "@radix-ui/react-tooltip";
 
 export type Step3FormData = {
   examplesGenerated: boolean;
@@ -317,6 +323,19 @@ export default function Step3ChooseExamples({
     return unclassifiedImages.length === 0;
   }, [unclassifiedImages]);
 
+  // For state models on the last class, require all images to be classified
+  const isLastClass = currentClassIndex === allClasses.length - 1;
+  const canProceed = useMemo(() => {
+    if (
+      step1Data.modelType === "state" &&
+      isLastClass &&
+      !allImagesClassified
+    ) {
+      return false;
+    }
+    return true;
+  }, [step1Data.modelType, isLastClass, allImagesClassified]);
+
   const handleBack = useCallback(() => {
     if (currentClassIndex > 0) {
       const previousClass = allClasses[currentClassIndex - 1];
@@ -438,6 +457,8 @@ export default function Step3ChooseExamples({
           <Button type="button" onClick={handleBack} className="sm:flex-1">
             {t("button.back", { ns: "common" })}
           </Button>
+          <Tooltip>
+            <TooltipTrigger asChild>
               <Button
                 type="button"
                 onClick={
@@ -447,11 +468,24 @@ export default function Step3ChooseExamples({
                 }
                 variant="select"
                 className="flex items-center justify-center gap-2 sm:flex-1"
-            disabled={!hasGenerated || isGenerating || isProcessing}
+                disabled={
+                  !hasGenerated || isGenerating || isProcessing || !canProceed
+                }
               >
                 {isProcessing && <ActivityIndicator className="size-4" />}
                 {t("button.continue", { ns: "common" })}
               </Button>
+            </TooltipTrigger>
+            {!canProceed && (
+              <TooltipPortal>
+                <TooltipContent>
+                  {t("wizard.step3.allImagesRequired", {
+                    count: unclassifiedImages.length,
+                  })}
+                </TooltipContent>
+              </TooltipPortal>
+            )}
+          </Tooltip>
         </div>
       )}
     </div>