feat: rewrite LoLdleData in Go

4-stage pipeline: fetch ddragon champions, enrich with release dates
(wiki scrape), regions (Universe API), and lanes (wiki scrape).
Concurrent gender detection via goroutines with semaphore.

data/parser/parser_test.go

@@ -0,0 +1,59 @@
+package parser
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+)
+
+const testVersion = "16.2.1"
+
+func TestDdragonAPI(t *testing.T) {
+	url := fmt.Sprintf("https://ddragon.leagueoflegends.com/cdn/%s/data/en_US/championFull.json", testVersion)
+	resp, err := http.Get(url)
+	if err != nil {
+		t.Fatalf("request failed: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("expected 200, got %d", resp.StatusCode)
+	}
+}
+
+func TestWikiDraftPosition(t *testing.T) {
+	resp, err := http.Get(wikiDraftPositionURL)
+	if err != nil {
+		t.Fatalf("request failed: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("expected 200, got %d", resp.StatusCode)
+	}
+}
+
+func TestRegionAPI(t *testing.T) {
+	url := "https://universe-meeps.leagueoflegends.com/v1/en_us/factions/bilgewater/index.json"
+	resp, err := http.Get(url)
+	if err != nil {
+		t.Fatalf("request failed: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("expected 200, got %d", resp.StatusCode)
+	}
+	ct := resp.Header.Get("Content-Type")
+	if ct != "application/json" {
+		t.Fatalf("expected application/json, got %s", ct)
+	}
+}
+
+func TestWikiChampionList(t *testing.T) {
+	resp, err := http.Get(wikiChampionListURL)
+	if err != nil {
+		t.Fatalf("request failed: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("expected 200, got %d", resp.StatusCode)
+	}
+}