fix(bedrock): add ap-southeast-4 (Melbourne) to au. regional inference profile

Author: roomote

packages/types/src/providers/bedrock.ts

@@ -401,8 +401,9 @@ export const BEDROCK_DEFAULT_CONTEXT = 128_000
 // https://docs.aws.amazon.com/bedrock/latest/userguide/inference-profiles-support.html
 // This mapping is pre-ordered by pattern length (descending) to ensure more specific patterns match first
 export const AWS_INFERENCE_PROFILE_MAPPING: Array<[string, string]> = [
-	// Australia region (Sydney) → au. inference profile (most specific - 14 chars)
+	// Australia regions (Sydney and Melbourne) → au. inference profile (most specific - 14 chars)
 	["ap-southeast-2", "au."],
+	["ap-southeast-4", "au."],
 	// Japan regions (Tokyo and Osaka) → jp. inference profile (13 chars)
 	["ap-northeast-", "jp."],
 	// US Government Cloud → ug. inference profile (7 chars)

src/api/providers/__tests__/bedrock-inference-profiles.spec.ts

@@ -31,6 +31,7 @@ describe("Amazon Bedrock Inference Profiles", () => {
 		it("should contain all expected region mappings", () => {
 			expect(AWS_INFERENCE_PROFILE_MAPPING).toEqual([
 				["ap-southeast-2", "au."],
+				["ap-southeast-4", "au."],
 				["ap-northeast-", "jp."],
 				["us-gov-", "ug."],
 				["us-", "us."],
@@ -79,8 +80,9 @@ describe("Amazon Bedrock Inference Profiles", () => {
 
 		it("should return correct prefix for Asia Pacific regions", () => {
 			const handler = createHandler()
-			// Australia (Sydney) gets au. prefix
+			// Australia regions (Sydney and Melbourne) get au. prefix
 			expect((handler as any).constructor.getPrefixForRegion("ap-southeast-2")).toBe("au.")
+			expect((handler as any).constructor.getPrefixForRegion("ap-southeast-4")).toBe("au.")
 			// Japan regions (Tokyo and Osaka) get jp. prefix
 			expect((handler as any).constructor.getPrefixForRegion("ap-northeast-1")).toBe("jp.")
 			expect((handler as any).constructor.getPrefixForRegion("ap-northeast-3")).toBe("jp.")

src/api/providers/__tests__/bedrock.spec.ts

@@ -114,8 +114,9 @@ describe("AwsBedrockHandler", () => {
 			it("should return correct prefix for APAC regions", () => {
 				const getPrefixForRegion = (AwsBedrockHandler as any).getPrefixForRegion
 
-				// Australia (Sydney) gets au. prefix
+				// Australia regions (Sydney and Melbourne) get au. prefix
 				expect(getPrefixForRegion("ap-southeast-2")).toBe("au.")
+				expect(getPrefixForRegion("ap-southeast-4")).toBe("au.")
 				// Japan regions (Tokyo and Osaka) get jp. prefix
 				expect(getPrefixForRegion("ap-northeast-1")).toBe("jp.")
 				expect(getPrefixForRegion("ap-northeast-3")).toBe("jp.")