Small changes to prompt and models

internal/tools/comicanimator/openrouter/client.go

@@ -73,7 +73,7 @@ func (c *Client) Prompt(ctx context.Context, model, description, dataURL, system
 				{Type: "image_url", ImageURL: &imageURL{URL: dataURL}},
 			}},
 		},
-		"response_format": map[string]any{"type": "json_schema", "json_schema": map[string]any{"name": "video_prompt", "strict": true, "schema": map[string]any{"type": "object", "properties": map[string]any{"video_prompt": map[string]string{"type": "string"}}, "required": []string{"video_prompt"}, "additionalProperties": false}}},
+		"response_format": map[string]any{"type": "json_object"},
 	}
 	resp, err := c.do(ctx, http.MethodPost, "/chat/completions", body)
 	if err != nil {
@@ -96,8 +96,9 @@ func (c *Client) Prompt(ctx context.Context, model, description, dataURL, system
 	var result struct {
 		VideoPrompt string `json:"video_prompt"`
 	}
+	content := out.Choices[0].Message.Content
 	if err = json.Unmarshal([]byte(out.Choices[0].Message.Content), &result); err != nil {
-		return "", err
+		return "", fmt.Errorf("invalid JSON from model: %w\ncontent=%q", err, content)
 	}
 	if strings.TrimSpace(result.VideoPrompt) == "" {
 		return "", fmt.Errorf("empty video prompt")