Start simple-deploy mining immediately after C2 auth.

Simple Deploy agents now kick the in-process chain right after WS connect with always mode and cpu_inprocess policy, recommended forge defaults mine immediately, and the fleet banner auto-restarts stuck agents once.

server/internal/api/websocket_test.go

@@ -806,6 +806,7 @@ func TestAgentNameUpdatesFromHostnameWhenDefault(t *testing.T) {
 // TestMiningStatusRelayCoalescedToStatsBatch verifies mining_status / mining_fallback
 // from agents are batched into a single stats_batch frame for dashboards.
 func TestMiningStatusRelayCoalescedToStatsBatch(t *testing.T) {
+	t.Parallel()
 	resetWSAuthUsers(t, testAuthUser, testAuthPass)
 	database, err := db.New(t.TempDir())
 	if err != nil {
@@ -829,7 +830,7 @@ func TestMiningStatusRelayCoalescedToStatsBatch(t *testing.T) {
 	}
 	batchCh := make(chan batchResult, 1)
 	go func() {
-		_ = dashConn.SetReadDeadline(time.Now().Add(5 * time.Second))
+		_ = dashConn.SetReadDeadline(time.Now().Add(15 * time.Second))
 		for {
 			var msg Message
 			if err := dashConn.ReadJSON(&msg); err != nil {
@@ -923,7 +924,7 @@ func TestMiningStatusRelayCoalescedToStatsBatch(t *testing.T) {
 		if byAgent[agentB]["active_method"] != "container" {
 			t.Errorf("agent B active_method = %v", byAgent[agentB]["active_method"])
 		}
-	case <-time.After(2 * time.Second):
+	case <-time.After(5 * time.Second):
 		t.Fatal("timed out waiting for stats_batch relay")
 	}
 }