Scrub example data, theatrics, and non-functional prod garbage

Remove shipped test wallets, builtin Cloudflare token, tracked E2E/music/scratch artifacts; Mission Deck forge bar now polls real server progress.

agent/cmd/mine-validate/main.go

@@ -79,12 +79,17 @@ var livePoolList = []poolDef{
 }
 
 func main() {
-	defaultWallet := "89QUKeqsKEGfP9Vpiph8jEXc3YyVFN5dKeYdMFVraVG4SGU3jAprbBp9AgRutKxzPSdQQMp9EGeG7Wmh8NRfniiaMMYpmC3"
-	wallet  := flag.String("wallet",  defaultWallet, "XMR wallet to validate")
+	wallet  := flag.String("wallet",  "", "XMR wallet to validate (required)")
 	threads := flag.Int("threads", 2, "mining threads")
 	seconds := flag.Int("seconds", 20, "seconds to measure hashrate")
 	flag.Parse()
 
+	if strings.TrimSpace(*wallet) == "" {
+		fmt.Fprintln(os.Stderr, "error: -wallet is required (no default test address)")
+		flag.Usage()
+		os.Exit(2)
+	}
+
 	header()
 	fmt.Printf("  Platform : %s/%s  (%d logical CPUs)\n", runtime.GOOS, runtime.GOARCH, runtime.NumCPU())
 	fmt.Printf("  Wallet   : %s\n", *wallet)