From abcf8497a26cf6c970827648b5923b6a3d113e93 Mon Sep 17 00:00:00 2001
From: p-sw <shinwoo.park@psw.kr>
Date: Sun, 31 May 2026 23:20:29 +0900
Subject: [PATCH] feat: add basic openrouter client

---
 src/openrouter/index.ts | 61 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 src/openrouter/index.ts

diff --git a/src/openrouter/index.ts b/src/openrouter/index.ts
new file mode 100644
index 0000000..3c28b03
--- /dev/null
+++ b/src/openrouter/index.ts
@@ -0,0 +1,61 @@
+import { config } from "@/config";
+import { OpenRouter } from "@openrouter/sdk";
+import type { ChatRequestEffort } from "@openrouter/sdk/models";
+
+const CONVERSATION_MODEL = "x-ai/grok-4.3" as const;
+const IDENTITY_MODEL = "openai/gpt-5.4-mini" as const;
+type MODELS = typeof CONVERSATION_MODEL | typeof IDENTITY_MODEL;
+
+interface StructuredOptions {
+  instruction: string;
+  message: string;
+  reasoningEffort: ChatRequestEffort;
+  jsonSchemaName: string;
+  jsonSchema:
+    | {
+        [k: string]: any;
+      }
+    | undefined;
+}
+
+export class LLMExecutor {
+  private apiKey: string;
+  client: OpenRouter;
+
+  constructor(apiKey: string) {
+    this.apiKey = apiKey;
+    this.client = new OpenRouter({ apiKey: this.apiKey, appTitle: "boxbrain" });
+  }
+
+  private structuredCall<T>(model: MODELS, options: StructuredOptions) {
+    this.client.chat.send({
+      chatRequest: {
+        model,
+        messages: [
+          {
+            role: "system",
+            content: options.instruction,
+          },
+          {
+            role: "user",
+            content: options.message,
+          },
+        ],
+        reasoning: {
+          effort: options.reasoningEffort,
+        },
+        responseFormat: {
+          type: "json_schema",
+          jsonSchema: {
+            name: options.jsonSchemaName,
+            schema: options.jsonSchema,
+            strict: true,
+          },
+        },
+        stream: false,
+      },
+    });
+  }
+}
+
+export const llm = new LLMExecutor(config.openrouterApiKey);