Expand P2 test coverage: mining chain, spread lanes, path forge, WS/beacon, E2E onion, file handling

server/internal/api/strategy_auth_test.go

@@ -82,6 +82,20 @@ func TestAuthResponseOmitsAdaptiveStrategyWhenAIControlEnabled(t *testing.T) {
 	if _, ok := payload["adaptive_strategy"]; ok {
 		t.Fatal("adaptive_strategy must be omitted when ai_control_enabled is true")
 	}
+	raw, ok := payload["spread_temperament"]
+	if !ok {
+		t.Fatal("expected spread_temperament in auth_response when ai_control_enabled")
+	}
+	data, _ := json.Marshal(raw)
+	var temperament struct {
+		TierOrder []string `json:"tier_order"`
+	}
+	if err := json.Unmarshal(data, &temperament); err != nil {
+		t.Fatal(err)
+	}
+	if len(temperament.TierOrder) == 0 {
+		t.Fatalf("empty spread_temperament: %+v", temperament)
+	}
 }
 
 func repeatChar(c byte, n int) string {