Add fleet ops dashboard, Calibrate enforcement, and dead-code cleanup.

Ship live alerts, pool status, AI monitor, remote agent commands, build manager, and uninstall flow; wire Calibrate settings (WS ping, pool traffic log, retention limits) at runtime and exclude server/data from git.

server/internal/api/ai_handler_test.go

@@ -0,0 +1,63 @@
+package api
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"crypto-miner-server/internal/db"
+	"crypto-miner-server/internal/ollama"
+)
+
+func TestHandleReportSingleAndArray(t *testing.T) {
+	database, err := db.New(t.TempDir())
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer database.Close()
+
+	h := NewAIHandler(database)
+
+	single := ollama.Report{
+		AgentID: "agent-1",
+		Tool:    "sleep",
+		Success: true,
+		Output:  "ok",
+	}
+	body, _ := json.Marshal(single)
+	req := httptest.NewRequest(http.MethodPost, "/api/v1/agent/report", bytes.NewReader(body))
+	w := httptest.NewRecorder()
+	h.HandleReport(w, req)
+	if w.Code != http.StatusOK {
+		t.Fatalf("single report status %d body %s", w.Code, w.Body.String())
+	}
+
+	arr := []ollama.Report{{
+		AgentID: "agent-2",
+		Tool:    "check_log",
+		Success: false,
+		Output:  "fail",
+	}}
+	body, _ = json.Marshal(arr)
+	req = httptest.NewRequest(http.MethodPost, "/api/v1/agent/report", bytes.NewReader(body))
+	w = httptest.NewRecorder()
+	h.HandleReport(w, req)
+	if w.Code != http.StatusOK {
+		t.Fatalf("array report status %d body %s", w.Code, w.Body.String())
+	}
+
+	activity := h.ActivitySnapshot()
+	if len(activity) < 2 {
+		t.Fatalf("expected activity entries, got %d", len(activity))
+	}
+}
+
+func TestEstimateXMRPerDay(t *testing.T) {
+	out := EstimateXMRPerDay(3_000_000_000)
+	xmr, ok := out["xmr_per_day"].(float64)
+	if !ok || xmr <= 0 {
+		t.Fatalf("expected positive xmr estimate at network hashrate, got %v", out)
+	}
+}