fix: URL encode model names to support inference profiles

src/Bedrock.php

@@ -115,7 +115,7 @@ public function apiVersion(PrismRequest $request): ?string
      */
     protected function client(TextRequest|StructuredRequest|EmbeddingRequest $request, array $options = [], array $retry = []): PendingRequest
     {
-        $model = $request->model();
+        $model = rawurlencode($request->model());
 
         $enableCaching = $request instanceof EmbeddingRequest
             ? false

tests/BedrockTest.php

@@ -0,0 +1,25 @@
+<?php
+
+use Illuminate\Http\Client\Request;
+use Illuminate\Support\Facades\Http;
+use Prism\Prism\Facades\Prism;
+use Tests\Fixtures\FixtureResponse;
+
+it('URL encodes model names with special characters like inference profiles', function (): void {
+    FixtureResponse::fakeResponseSequence('*', 'converse/generate-text-with-a-prompt');
+
+    // Test with an inference profile ARN that contains colons and slashes
+    $inferenceProfile = 'arn:aws:bedrock:us-east-1:123456789012:application-inference-profile/abc123def456';
+
+    Prism::text()
+        ->using('bedrock', $inferenceProfile)
+        ->withPrompt('Hello')
+        ->asText();
+
+    Http::assertSent(function (Request $request) use ($inferenceProfile): bool {
+        // The URL should contain encoded colons (%3A) and slashes (%2F)
+        return str_contains($request->url(), '%3A')
+            && str_contains($request->url(), '%2F')
+            && str_contains($request->url(), rawurlencode($inferenceProfile));
+    });
+});