Improved Wikipedia IA to be lang specific

ia-main.go

@@ -56,7 +56,7 @@ func detectInstantAnswer(query string) *InstantAnswer {
 	}
 
 	// Try Wikipedia search
-	if title, text, link, ok := getWikipediaSummary(query); ok {
+	if title, text, link, ok := getWikipediaSummary(query, settings.SiteLanguage); ok {
 		return &InstantAnswer{
 			Type:  "wiki",
 			Title: title,
@@ -71,29 +71,17 @@ func detectInstantAnswer(query string) *InstantAnswer {
 }
 
 func initExchangeRates() {
-	// Initial synchronous load
+	// Initial sync
 	if err := UpdateExchangeRates(); err != nil {
 		printErr("Initial exchange rate update failed: %v", err)
-	} else {
-		PrecacheAllCurrencyPairs()
 	}
 
-	// Pre-cache common wiki terms in background
-	go func() {
-		commonTerms := []string{"United States", "Europe", "Technology", "Science", "Mathematics"}
-		for _, term := range commonTerms {
-			getWikipediaSummary(term)
-		}
-	}()
-
-	// Periodically update cache
+	// Periodic update only
 	ticker := time.NewTicker(30 * time.Minute)
 	go func() {
 		for range ticker.C {
 			if err := UpdateExchangeRates(); err != nil {
 				printWarn("Periodic exchange rate update failed: %v", err)
-			} else {
-				PrecacheAllCurrencyPairs()
 			}
 		}
 	}()

ia-wiki.go

@@ -21,17 +21,18 @@ type WikipediaResponse struct {
 }
 
 // Get Wikipedia summary
-func getWikipediaSummary(query string) (title, text, link string, ok bool) {
-	// Clean and prepare query
+func getWikipediaSummary(query, lang string) (title, text, link string, ok bool) {
+	// Clean inputs
 	query = strings.TrimSpace(query)
-	if query == "" {
+	lang = strings.ToLower(strings.TrimSpace(lang))
+	if query == "" || lang == "" {
 		return "", "", "", false
 	}
 
-	// API request
+	// Construct Wikipedia API URL with lang
 	apiURL := fmt.Sprintf(
-		"https://en.wikipedia.org/w/api.php?action=query&format=json&prop=extracts&exintro&explaintext&redirects=1&titles=%s",
-		url.QueryEscape(query),
+		"https://%s.wikipedia.org/w/api.php?action=query&format=json&prop=extracts&exintro&explaintext&redirects=1&titles=%s",
+		lang, url.QueryEscape(query),
 	)
 
 	resp, err := http.Get(apiURL)