Add Emberwake Cloud Ecosystem deploy hub with AWS and generic spread templates.

Unified expandable panels with mermaid flows, ZIP export, connection tests, and Playwright smoke coverage.

agent/config/config.go

@@ -149,8 +149,12 @@ type BuiltinConfig struct {
 	ErasureLanesEnabled bool
 	// FleetTorrentEnabled enables content-addressed shard DHT + fleet gossip (server policy).
 	FleetTorrentEnabled bool
+	AwsS3ShardRegion    string
+	AwsCloudFrontDomain string
 	// SubnetPrimarySeeder is set on auth when this agent is the primary seeder for its /24.
 	SubnetPrimarySeeder bool
+	PolicySnapshotPollURL string
+	EventBridgeRelayURL   string
 }
 
 // BackupPool holds connection info for a fallback Stratum mining pool.