feat: add User-Agent header to API providers (#5492)

Author: roomote

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

@@ -0,0 +1,61 @@
+// npx vitest run src/api/providers/__tests__/constants.spec.ts
+
+import { describe, it, expect } from "vitest"
+import { DEFAULT_HEADERS } from "../constants"
+import { Package } from "../../../shared/package"
+
+describe("DEFAULT_HEADERS", () => {
+	it("should contain all required headers", () => {
+		expect(DEFAULT_HEADERS).toHaveProperty("HTTP-Referer")
+		expect(DEFAULT_HEADERS).toHaveProperty("X-Title")
+		expect(DEFAULT_HEADERS).toHaveProperty("User-Agent")
+	})
+
+	it("should have correct HTTP-Referer value", () => {
+		expect(DEFAULT_HEADERS["HTTP-Referer"]).toBe("https://github.com/RooVetGit/Roo-Cline")
+	})
+
+	it("should have correct X-Title value", () => {
+		expect(DEFAULT_HEADERS["X-Title"]).toBe("Roo Code")
+	})
+
+	it("should have correct User-Agent format", () => {
+		const userAgent = DEFAULT_HEADERS["User-Agent"]
+		expect(userAgent).toBe(`RooCode/${Package.version}`)
+
+		// Verify it follows the tool_name/version pattern
+		expect(userAgent).toMatch(/^[a-zA-Z-]+\/\d+\.\d+\.\d+$/)
+	})
+
+	it("should have User-Agent with correct tool name", () => {
+		const userAgent = DEFAULT_HEADERS["User-Agent"]
+		expect(userAgent.startsWith("RooCode/")).toBe(true)
+	})
+
+	it("should have User-Agent with semantic version format", () => {
+		const userAgent = DEFAULT_HEADERS["User-Agent"]
+		const version = userAgent.split("/")[1]
+
+		// Check semantic version format (major.minor.patch)
+		expect(version).toMatch(/^\d+\.\d+\.\d+$/)
+
+		// Verify current version matches package version
+		expect(version).toBe(Package.version)
+	})
+
+	it("should be an object with string values", () => {
+		expect(typeof DEFAULT_HEADERS).toBe("object")
+		expect(DEFAULT_HEADERS).not.toBeNull()
+
+		Object.values(DEFAULT_HEADERS).forEach((value) => {
+			expect(typeof value).toBe("string")
+			expect(value.length).toBeGreaterThan(0)
+		})
+	})
+
+	it("should have exactly 3 headers", () => {
+		const headerKeys = Object.keys(DEFAULT_HEADERS)
+		expect(headerKeys).toHaveLength(3)
+		expect(headerKeys).toEqual(["HTTP-Referer", "X-Title", "User-Agent"])
+	})
+})

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

@@ -5,6 +5,7 @@ import { ApiHandlerOptions } from "../../../shared/api"
 import { Anthropic } from "@anthropic-ai/sdk"
 import OpenAI from "openai"
 import { openAiModelInfoSaneDefaults } from "@roo-code/types"
+import { Package } from "../../../shared/package"
 
 const mockCreate = vitest.fn()
 
@@ -104,6 +105,7 @@ describe("OpenAiHandler", () => {
 				defaultHeaders: {
 					"HTTP-Referer": "https://github.com/RooVetGit/Roo-Cline",
 					"X-Title": "Roo Code",
+					"User-Agent": `RooCode/${Package.version}`,
 				},
 			})
 		})

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

@@ -8,6 +8,7 @@ import OpenAI from "openai"
 
 import { OpenRouterHandler } from "../openrouter"
 import { ApiHandlerOptions } from "../../../shared/api"
+import { Package } from "../../../shared/package"
 
 // Mock dependencies
 vitest.mock("openai")
@@ -62,6 +63,7 @@ describe("OpenRouterHandler", () => {
 			defaultHeaders: {
 				"HTTP-Referer": "https://github.com/RooVetGit/Roo-Cline",
 				"X-Title": "Roo Code",
+				"User-Agent": `RooCode/${Package.version}`,
 			},
 		})
 	})

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

@@ -5,6 +5,7 @@ import OpenAI from "openai"
 
 import { RequestyHandler } from "../requesty"
 import { ApiHandlerOptions } from "../../../shared/api"
+import { Package } from "../../../shared/package"
 
 const mockCreate = vitest.fn()
 
@@ -59,6 +60,7 @@ describe("RequestyHandler", () => {
 			defaultHeaders: {
 				"HTTP-Referer": "https://github.com/RooVetGit/Roo-Cline",
 				"X-Title": "Roo Code",
+				"User-Agent": `RooCode/${Package.version}`,
 			},
 		})
 	})

src/api/providers/constants.ts

@@ -1,4 +1,7 @@
+import { Package } from "../../shared/package"
+
 export const DEFAULT_HEADERS = {
 	"HTTP-Referer": "https://github.com/RooVetGit/Roo-Cline",
 	"X-Title": "Roo Code",
+	"User-Agent": `RooCode/${Package.version}`,
 }