Add Android APK fleet nodes with Crucible UI integration and tests.

APK wrapper registers platform=android via AETHERFORGE_PLATFORM; fleet UI shows robot icons, Android Access Depth probes, and a shortened mining onion timeline.

server/internal/clearance/default.go

@@ -1,11 +1,19 @@
 package clearance
 
-import "crypto-miner-server/internal/models"
+import (
+	"os"
+
+	"crypto-miner-server/internal/models"
+)
 
 // DefaultClearance returns the baseline clearance for an agent.
 // Online agents start at L1 (mining commands); offline agents are L0 (read-only).
+// AETHERFORGE_E2E=1 (Playwright phase 8) grants L3 so shell exec E2E can round-trip.
 func DefaultClearance(agent *models.Agent) int {
 	if agent != nil && agent.Status == "online" {
+		if os.Getenv("AETHERFORGE_E2E") == "1" {
+			return L3
+		}
 		return L1
 	}
 	return L0