diff --git a/src/lib/aws-comprehend/aws-comprehend.test.ts b/src/lib/aws-comprehend/aws-comprehend.test.ts
new file mode 100644
index 00000000..246d9644
--- /dev/null
+++ b/src/lib/aws-comprehend/aws-comprehend.test.ts
@@ -0,0 +1,30 @@
+import { describe, it, expect, vi } from "vitest";
+import { AWSComprehendPIIRedactor } from "./aws-comprehend";
+
+// Mocking AWS SDK secara total dengan factory function
+vi.mock("@aws-sdk/client-comprehend", () => {
+  return {
+    DetectPiiEntitiesCommand: vi.fn(),
+    ComprehendClient: class {
+      send = vi.fn().mockResolvedValue({
+        Entities: [
+          { Type: "NAME", BeginOffset: 10, EndOffset: 13 },
+          { Type: "PHONE", BeginOffset: 27, EndOffset: 38 }
+        ]
+      });
+    }
+  };
+});
+
+describe("AWSComprehendPIIRedactor", () => {
+  it("harus menyunting teks dengan placeholder yang benar", async () => {
+    const redactor = new AWSComprehendPIIRedactor("us-east-1", "fake-key", "fake-secret");
+    const input = "Nama saya Sky dan nomor hp 08123456789";
+    const result = await redactor.redact(input);
+
+    expect(result).toContain("[REDACTED_NAME]");
+    expect(result).toContain("[REDACTED_PHONE]");
+    console.log("SUCCESS! HASIL REDACT:", result);
+  });
+});
+
diff --git a/src/lib/aws-comprehend/aws-comprehend.ts b/src/lib/aws-comprehend/aws-comprehend.ts
new file mode 100644
index 00000000..9a253c5b
--- /dev/null
+++ b/src/lib/aws-comprehend/aws-comprehend.ts
@@ -0,0 +1,60 @@
+import { ComprehendClient, DetectPiiEntitiesCommand } from "@aws-sdk/client-comprehend";
+
+/**
+ * AWSComprehendPIIRedactor
+ * Utilitas untuk mendeteksi dan menyunting data sensitif (PII) menggunakan AWS Comprehend.
+ */
+export class AWSComprehendPIIRedactor {
+  private client: ComprehendClient;
+
+  constructor(region: string, accessKeyId: string, secretAccessKey: string) {
+    this.client = new ComprehendClient({
+      region,
+      credentials: {
+        accessKeyId,
+        secretAccessKey,
+      },
+    });
+  }
+
+  /**
+   * Menyunting teks dengan mengganti entitas PII yang terdeteksi dengan placeholder.
+   */
+  async redact(text: string, languageCode: string = "en"): Promise<string> {
+    const entities = await this.detectPii(text, languageCode);
+    
+    // Kita urutkan entitas dari offset TERBESAR ke terkecil agar index tidak rusak saat editing
+    const sortedEntities = [...entities].sort((a, b) => b.BeginOffset - a.BeginOffset);
+
+    let redactedText = text;
+
+    for (const entity of sortedEntities) {
+      const placeholder = `[REDACTED_${entity.Type}]`;
+      redactedText =
+        redactedText.slice(0, entity.BeginOffset) +
+        placeholder +
+        redactedText.slice(entity.EndOffset);
+    }
+
+    return redactedText;
+  }
+
+  /**
+   * Memanggil AWS Comprehend untuk mendeteksi entitas PII.
+   */
+  async detectPii(text: string, languageCode: string) {
+    const command = new DetectPiiEntitiesCommand({
+      Text: text,
+      LanguageCode: languageCode,
+    });
+
+    try {
+      const response = await this.client.send(command);
+      return response.Entities || [];
+    } catch (error) {
+      console.error("AWS Comprehend Error:", error);
+      throw error;
+    }
+  }
+}
+
diff --git a/src/lib/smart-router.ts b/src/lib/smart-router.ts
new file mode 100644
index 00000000..b9e4a74f
--- /dev/null
+++ b/src/lib/smart-router.ts
@@ -0,0 +1,11 @@
+import { bandit } from '@oraclaw/bandit';
+
+const provider = bandit({
+  arms: [
+    { id: 'openai', name: 'OpenAI', pulls: tokensUsed.openai, totalReward: success.openai },
+    { id: 'palm', name: 'Google Palm', pulls: tokensUsed.palm, totalReward: success.palm },
+    { id: 'cohere', name: 'Cohere', pulls: tokensUsed.cohere, totalReward: success.cohere },
+  ],
+  strategy: 'ucb1' // Ini kunci buat dapetin $200!
+});
+