Update asset verification and documentation features

- Added a flag to disable the verifier UI and logic for user preferences.
- Implemented Cache-Control headers for static assets in production.
- Updated the SoftwareCard component to include a copy hash feature and display release dates.
- Introduced a Markdown component for rendering documentation content.
- Enhanced the verification process with speed updates during asset downloads.
- Improved the user interface for verification toasts and modals.
- Updated legal documents with new versions and additional privacy features.
- Added new API documentation and routes for better user guidance.

main.go

@@ -42,6 +42,7 @@ func main() {
 	uaBlocklistPath := flag.String("ua-blocklist", getEnv("UA_BLOCKLIST_PATH", "ua-blocklist.txt"), "Path to ua-blocklist.txt (optional)")
 	port := flag.String("p", getEnv("PORT", "8080"), "Server port")
 	isProd := flag.Bool("prod", os.Getenv("NODE_ENV") == "production", "Run in production mode")
+	disableVerifier := flag.Bool("disable-verifier", getEnv("DISABLE_VERIFIER", "false") == "true", "Completely disable the verifier UI and logic")
 	updateInterval := flag.Duration("u", 1*time.Hour, "Software update interval")
 	flag.Parse()
 
@@ -125,6 +126,19 @@ func main() {
 			path = strings.TrimPrefix(path, "/")
 		}
 
+		// Set Cache-Control headers for static assets
+		if *isProd {
+			if strings.HasPrefix(path, "_app/immutable/") {
+				// SvelteKit immutable assets (fingerprinted)
+				w.Header().Set("Cache-Control", "public, max-age=31536000, immutable")
+			} else if strings.HasSuffix(path, ".js") || strings.HasSuffix(path, ".css") || 
+				strings.HasSuffix(path, ".png") || strings.HasSuffix(path, ".webp") || 
+				strings.HasSuffix(path, ".svg") || strings.HasSuffix(path, ".wasm") {
+				// Other static assets (1 week)
+				w.Header().Set("Cache-Control", "public, max-age=604800")
+			}
+		}
+
 		f, err := contentStatic.Open(path)
 		if err != nil {
 			if strings.HasPrefix(r.URL.Path, "/api") {
@@ -137,7 +151,13 @@ func main() {
 				http.Error(w, "Index not found", http.StatusInternalServerError)
 				return
 			}
-			http.ServeContent(w, r, "index.html", time.Unix(0, 0), strings.NewReader(string(indexData)))
+
+			// Inject global configuration
+			html := string(indexData)
+			configJS := fmt.Sprintf("<script>window.VERIFIER_GLOBALLY_DISABLED = %v;</script>", *disableVerifier)
+			html = strings.Replace(html, "</head>", configJS+"</head>", 1)
+
+			http.ServeContent(w, r, "index.html", time.Unix(0, 0), strings.NewReader(html))
 			return
 		}
 		if err := f.Close(); err != nil {