[kensai] fix Windows EBUSY in test cleanup

rm() with force:true handles ENOENT but not EBUSY.
Adding maxRetries:3 lets Node.js retry with 100ms
backoff when git processes still hold file locks.

Author: xobotyi

claude/kensai/mcp/review/src/repofs/git/git.test.ts

@@ -199,15 +199,15 @@ describe("Repo", () => {
 	});
 
 	afterAll(async () => {
-		await rm(repoDir, { recursive: true, force: true });
+		await rm(repoDir, { recursive: true, force: true, maxRetries: 3 });
 	});
 
 	it("open rejects non-repo directory", async () => {
 		const nonRepo = await mkdtemp(join(tmpdir(), "kensai-git-test-"));
 		try {
 			await expect(Repo.open(nonRepo)).rejects.toThrow(GitError);
 		} finally {
-			await rm(nonRepo, { recursive: true, force: true });
+			await rm(nonRepo, { recursive: true, force: true, maxRetries: 3 });
 		}
 	});
 
@@ -314,7 +314,7 @@ describe("Repo with binary files", () => {
 	});
 
 	afterAll(async () => {
-		await rm(repoDir, { recursive: true, force: true });
+		await rm(repoDir, { recursive: true, force: true, maxRetries: 3 });
 	});
 
 	it("changedFiles reports binary with dash counts", async () => {
@@ -351,7 +351,7 @@ describe("Repo log with multi-line messages", () => {
 	});
 
 	afterAll(async () => {
-		await rm(repoDir, { recursive: true, force: true });
+		await rm(repoDir, { recursive: true, force: true, maxRetries: 3 });
 	});
 
 	it("parses subject and body separately", async () => {

claude/kensai/mcp/review/src/repofs/pathindex/pathindex.test.ts

@@ -261,7 +261,7 @@ describe("PathIndex.new", () => {
 	});
 
 	afterEach(async () => {
-		await rm(tempDir, { recursive: true });
+		await rm(tempDir, { recursive: true, maxRetries: 3 });
 	});
 
 	it("empty directory", async () => {

claude/kensai/mcp/review/src/repofs/repofs.test.ts

@@ -41,7 +41,7 @@ beforeAll(async () => {
 });
 
 afterAll(async () => {
-	await rm(rootDir, { recursive: true, force: true });
+	await rm(rootDir, { recursive: true, force: true, maxRetries: 3 });
 });
 
 describe("RepoFs.open", () => {

claude/kensai/mcp/review/src/repofs/rg/rg.test.ts

@@ -129,7 +129,7 @@ describe("grep", () => {
 	});
 
 	afterAll(async () => {
-		await rm(testDir, { recursive: true, force: true });
+		await rm(testDir, { recursive: true, force: true, maxRetries: 3 });
 	});
 
 	it("finds matches across files", async () => {