Harden vision vector search and embedding jobs.

Add point search, circuit-breaking, and safer gateway limits so artwork similarity lookups fail closed instead of hanging the request path.

app/Services/Vision/ArtworkEmbeddingClient.php

@@ -26,14 +26,19 @@ final class ArtworkEmbeddingClient
         $retries = (int) config('recommendations.embedding.retries', 1);
         $delay = (int) config('recommendations.embedding.retry_delay_ms', 200);
 
+        $apiKey = trim(
+            (string) config('vision.clip.api_key', '')
+        );
+
         $response = Http::acceptJson()
+            ->withHeaders([
+                'X-API-Key' => $apiKey,
+            ])
             ->connectTimeout(max(1, $connectTimeout))
             ->timeout(max(1, $timeout))
             ->retry(max(0, $retries), max(0, $delay), throw: false)
             ->post($url, [
-                'image_url' => $imageUrl,
-                'artwork_id' => $artworkId,
-                'hash' => $sourceHash,
+                'url' => $imageUrl,
             ]);
 
         if (! $response->ok()) {
@@ -53,6 +58,8 @@ final class ArtworkEmbeddingClient
 
         if (is_array($json) && $this->isNumericVector($json)) {
             $candidate = $json;
+        } elseif (is_array($json) && isset($json['vector']) && is_array($json['vector'])) {
+            $candidate = $json['vector'];
         } elseif (is_array($json) && isset($json['embedding']) && is_array($json['embedding'])) {
             $candidate = $json['embedding'];
         } elseif (is_array($json) && isset($json['data']['embedding']) && is_array($json['data']['embedding'])) {