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feat(openrouter): support cacheTtl provider option for extended cache TTL #993

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feat(openrouter): support cacheTtl provider option for extended cache TTL #993

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25 changes: 21 additions & 4 deletions src/Providers/OpenRouter/Maps/MessageMap.php
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Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,8 @@ protected function mapMessage(Message $message): void
protected function mapSystemMessage(SystemMessage $message): void
{
$cacheType = $message->providerOptions('cacheType');
// OpenRouter supports extended cache TTL (e.g. '1h') via cacheTtl provider option
$cacheTtl = $message->providerOptions('cacheTtl');

// OpenRouter supports cache_control in content array format (same as Anthropic)
if ($cacheType) {
Expand All @@ -73,7 +75,10 @@ protected function mapSystemMessage(SystemMessage $message): void
[
'type' => 'text',
'text' => $message->content,
'cache_control' => ['type' => $cacheType instanceof BackedEnum ? $cacheType->value : $cacheType],
'cache_control' => array_filter([
'type' => $cacheType instanceof BackedEnum ? $cacheType->value : $cacheType,
'ttl' => $cacheTtl,
]),
],
],
];
Expand All @@ -88,7 +93,11 @@ protected function mapSystemMessage(SystemMessage $message): void
protected function mapToolResultMessage(ToolResultMessage $message): void
{
$cacheType = $message->providerOptions('cacheType');
$cacheControl = $cacheType ? ['type' => $cacheType instanceof BackedEnum ? $cacheType->value : $cacheType] : null;
$cacheTtl = $message->providerOptions('cacheTtl');
$cacheControl = $cacheType ? array_filter([
'type' => $cacheType instanceof BackedEnum ? $cacheType->value : $cacheType,
'ttl' => $cacheTtl,
]) : null;

$toolResults = $message->toolResults;
$totalResults = count($toolResults);
Expand Down Expand Up @@ -126,7 +135,11 @@ protected function mapToolResultMessage(ToolResultMessage $message): void
protected function mapUserMessage(UserMessage $message): void
{
$cacheType = $message->providerOptions('cacheType');
$cacheControl = $cacheType ? ['type' => $cacheType instanceof BackedEnum ? $cacheType->value : $cacheType] : null;
$cacheTtl = $message->providerOptions('cacheTtl');
$cacheControl = $cacheType ? array_filter([
'type' => $cacheType instanceof BackedEnum ? $cacheType->value : $cacheType,
'ttl' => $cacheTtl,
]) : null;

$imageParts = array_map(fn (Image $image): array => (new ImageMapper($image))->toPayload(), $message->images());
// NOTE: mirrored from Gemini's multimodal mapper so we stay consistent across providers.
Expand All @@ -153,6 +166,7 @@ protected function mapUserMessage(UserMessage $message): void
protected function mapAssistantMessage(AssistantMessage $message): void
{
$cacheType = $message->providerOptions('cacheType');
$cacheTtl = $message->providerOptions('cacheTtl');

$toolCalls = array_map(fn (ToolCall $toolCall): array => [
'id' => $toolCall->id,
Expand All @@ -171,7 +185,10 @@ protected function mapAssistantMessage(AssistantMessage $message): void
[
'type' => 'text',
'text' => $message->content,
'cache_control' => ['type' => $cacheType instanceof BackedEnum ? $cacheType->value : $cacheType],
'cache_control' => array_filter([
'type' => $cacheType instanceof BackedEnum ? $cacheType->value : $cacheType,
'ttl' => $cacheTtl,
]),
],
],
'tool_calls' => $toolCalls,
Expand Down
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