Deduplicate shared helpers and enforce aliased imports (#228)

* Deduplicate string cleanup helpers and not-found responses

* Enforce aliased imports for infra and shared modules

* Enforce @client/@server aliases for deep relative imports

* Deduplicate visa sponsor and location filter definitions

* Use shared city filter export in extractor location checks

extractors/hiringcafe/src/run.ts

@@ -65,13 +65,6 @@ export interface HiringCafeResult {
   error?: string;
 }
 
-export function shouldApplyStrictLocationFilter(
-  location: string,
-  countryKey: string,
-): boolean {
-  return shouldApplyStrictCityFilter(location, countryKey);
-}
-
 function resolveTsxCliPath(): string | null {
   try {
     return require.resolve("tsx/dist/cli.mjs");
@@ -213,8 +206,7 @@ export async function runHiringCafe(
     for (let runIndex = 0; runIndex < runLocations.length; runIndex += 1) {
       const location = runLocations[runIndex];
       const strictLocationFilter =
-        location !== null &&
-        shouldApplyStrictLocationFilter(location, countryKey);
+        location !== null && shouldApplyStrictCityFilter(location, countryKey);
 
       await clearStorageDataset();
 

extractors/hiringcafe/tests/location.test.ts

@@ -1,15 +1,13 @@
+import { shouldApplyStrictCityFilter } from "@shared/search-cities.js";
 import { describe, expect, it } from "vitest";
-import { shouldApplyStrictLocationFilter } from "../src/run";
 
 describe("hiringcafe location query strictness", () => {
   it("enables strict filtering when city differs from country", () => {
-    expect(shouldApplyStrictLocationFilter("Leeds", "united kingdom")).toBe(
-      true,
-    );
+    expect(shouldApplyStrictCityFilter("Leeds", "united kingdom")).toBe(true);
   });
 
   it("disables strict filtering when location is country-level", () => {
-    expect(shouldApplyStrictLocationFilter("UK", "united kingdom")).toBe(false);
-    expect(shouldApplyStrictLocationFilter("United States", "us")).toBe(false);
+    expect(shouldApplyStrictCityFilter("UK", "united kingdom")).toBe(false);
+    expect(shouldApplyStrictCityFilter("United States", "us")).toBe(false);
   });
 });