Fix for livewire form properties not being found.

app/DataStore.php

@@ -70,6 +70,19 @@ public function findComponentForFile(TextDocumentItem $file): ?BladeComponentDat
         return $matchingComponent;
     }
 
+    public function findComponentForClass(string $className): ?BladeComponentData
+    {
+        $matchingComponent = null;
+
+        foreach ($this->availableComponents as $component) {
+            if ($component->matchesClass($className)) {
+                $matchingComponent = $component;
+                break;
+            }
+        }
+        return $matchingComponent;
+    }
+
     public function refreshAvailableComponents(bool $force = false): Collection
     {
         if (self::$inprogress === false && ($this->availableComponents->isEmpty() || $force)) {

app/Dto/BladeComponentData.php

@@ -31,6 +31,12 @@ public function matchesView(string $viewFilePath): bool
         return false;
     }
 
+    // Check if the view file is from this component.
+    public function matchesClass(string $className): bool
+    {
+        return $this->class === $className;
+    }
+
     public function getHoverData(): string
     {
         return $this->doc ?? $this->getFile() ?? $this->class ?? '';

app/Lsp/LspValidators/LivewireLspValidate.php

@@ -31,6 +31,17 @@ public function getErrors(TextDocumentItem $document): array
                 ]);
             }
 
+            $nestedProps = [];
+            foreach ($component->wireProps as $prop => $className) {
+                $nestedComponent = $this->store->findComponentForClass('\\' . $className);
+                if (!$nestedComponent) {
+                    continue;
+                }
+                foreach (array_keys($nestedComponent->wireProps) as $nestedProp) {
+                    $nestedProps[] = $prop . '.' . $nestedProp;
+                }
+            }
+
             $wireModels = $workableArray
                 ->filter(function ($item) {
                     // Only get models.
@@ -39,8 +50,13 @@ public function getErrors(TextDocumentItem $document): array
                 ->filter(function ($item) use ($component) {
                     // Check if they are in the list.
                     return !array_key_exists($item['name'], $component->wireProps);
+                })
+                ->filter(function ($item) use ($nestedProps) {
+                    // Check if they are nested.
+                    return !in_array($item['name'], $nestedProps);
                 });
 
+
             foreach ($wireModels as $missingWireable) {
                 $errors[] = new DiagnosticError(
                     error: 'Wireable not found: ' . $missingWireable['name'],