refactor(platforms): remove unused normalizePlatform export

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: betegon

src/lib/platforms.ts

@@ -156,14 +156,6 @@ export function isValidPlatform(platform: string): boolean {
   return VALID_PLATFORM_SET.has(platform);
 }
 
-/**
- * Normalize dots to hyphens in a platform string.
- * Returns the normalized string (no side effects).
- */
-export function normalizePlatform(platform: string): string {
-  return platform.replace(/\./g, "-");
-}
-
 function addUnique(arr: string[], value: string): void {
   if (!arr.includes(value)) {
     arr.push(value);

test/lib/platforms.test.ts

@@ -2,7 +2,6 @@ import { describe, expect, test } from "bun:test";
 import {
   COMMON_PLATFORMS,
   isValidPlatform,
-  normalizePlatform,
   suggestPlatform,
   VALID_PLATFORM_SET,
   VALID_PLATFORMS,
@@ -25,18 +24,6 @@ describe("isValidPlatform", () => {
   });
 });
 
-describe("normalizePlatform", () => {
-  test("converts dots to hyphens", () => {
-    expect(normalizePlatform("javascript.nextjs")).toBe("javascript-nextjs");
-    expect(normalizePlatform("python.django.rest")).toBe("python-django-rest");
-  });
-
-  test("returns unchanged string when no dots", () => {
-    expect(normalizePlatform("node")).toBe("node");
-    expect(normalizePlatform("javascript-nextjs")).toBe("javascript-nextjs");
-  });
-});
-
 describe("suggestPlatform", () => {
   test("suggests suffix match: nextjs → javascript-nextjs", () => {
     const results = suggestPlatform("nextjs");