Fix weapon icon mapping and local SVG assets

scripts/validate-weapon-icon-mapping.js

@@ -0,0 +1,81 @@
+const fs = require("fs");
+const path = require("path");
+const vm = require("vm");
+
+const repoRoot = path.resolve(__dirname, "..");
+const mappingPath = path.join(
+  repoRoot,
+  "frontend",
+  "assets",
+  "js",
+  "current-match-weapon-icons.js",
+);
+const assetDir = path.join(
+  repoRoot,
+  "frontend",
+  "assets",
+  "img",
+  "weapons",
+  "black",
+);
+
+const source = fs.readFileSync(mappingPath, "utf8");
+const context = {
+  console: {
+    warn() {},
+  },
+};
+vm.createContext(context);
+vm.runInContext(source, context, { filename: mappingPath });
+
+const runtime = context.HLL_VIETNAM_CURRENT_MATCH_WEAPON_ICONS;
+if (!runtime) {
+  throw new Error("Weapon icon runtime was not exposed on globalThis.");
+}
+
+const actualFiles = new Set(
+  fs.readdirSync(assetDir).filter((fileName) => fileName.endsWith(".svg")),
+);
+const declaredFiles = new Set(runtime.files);
+const forbiddenLegacyTerms = [
+  "browing",
+  "mosing",
+  "panzerchreck",
+  "flammenwefer",
+  "m1_carabine",
+];
+
+const errors = [];
+runtime.files.forEach((fileName) => {
+  if (!actualFiles.has(fileName)) {
+    errors.push(`Declared SVG does not exist: ${fileName}`);
+  }
+});
+actualFiles.forEach((fileName) => {
+  if (!declaredFiles.has(fileName)) {
+    errors.push(`Local SVG is not declared in runtime list: ${fileName}`);
+  }
+});
+runtime.entries.forEach(([weapon, iconFile]) => {
+  if (!actualFiles.has(iconFile)) {
+    errors.push(`Mapping points to missing SVG: ${weapon} -> ${iconFile}`);
+  }
+});
+forbiddenLegacyTerms.forEach((term) => {
+  if (source.includes(term)) {
+    errors.push(`Legacy typo term remains in runtime JS: ${term}`);
+  }
+});
+
+if (runtime.unknown?.icon && !runtime.unknown.icon.endsWith("precision_strike_black.svg")) {
+  errors.push(`Unexpected fallback icon: ${runtime.unknown.icon}`);
+}
+
+if (errors.length > 0) {
+  errors.forEach((error) => console.error(error));
+  process.exit(1);
+}
+
+console.log(
+  `Weapon icon mapping OK: ${runtime.entries.length} RCON names, ${runtime.files.length} SVG files.`,
+);