fix: remove stray 't' chars causing syntax errors in type definitions

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/lib/ai-proxy.ts

@@ -26,7 +26,7 @@ export interface OpenAIRequest {
 	temperature?: number;
 	max_tokens?: number;
 	top_p?: number;
-t	top_k?: number;
+	top_k?: number;
 	stream?: boolean;
 	stop?: string | string[];
 	presence_penalty?: number;

src/lib/anthropic-proxy.ts

@@ -40,9 +40,8 @@ export interface AnthropicRequest {
 	stream?: boolean;
 	temperature?: number;
 	top_p?: number;
-t	top_k?: number;
-		stream?: boolean;
 	top_k?: number;
+	stream?: boolean;
 	stop_sequences?: string[];
 	system?: string | AnthropicSystemBlock[];
 	metadata?: Record<string, unknown>;
@@ -88,8 +87,6 @@ interface BackendBody {
 	max_tokens: number;
 	temperature?: number;
 	top_p?: number;
-t	top_k?: number;
-		stream?: boolean;
 	top_k?: number;
 	stream?: boolean;
 	stop?: string | string[];