feat: add remote status report client

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/remote/report_test.go

@@ -0,0 +1,49 @@
+package remote
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+)
+
+func TestSessionKeyStable(t *testing.T) {
+	k1 := SessionKey("host", "10.0.0.1", "/proj", "Cursor")
+	k2 := SessionKey("host", "10.0.0.1", "/proj", "Cursor")
+	if k1 != k2 || len(k1) != 32 {
+		t.Fatalf("key=%q len=%d", k1, len(k1))
+	}
+}
+
+func TestClientPostStatus(t *testing.T) {
+	var got StatusReport
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodPost {
+			http.Error(w, "method", http.StatusMethodNotAllowed)
+			return
+		}
+		if r.URL.Path != "/api/v1/status" {
+			http.Error(w, "path", http.StatusNotFound)
+			return
+		}
+		if r.Header.Get("Authorization") != "Bearer secret" {
+			http.Error(w, "auth", http.StatusUnauthorized)
+			return
+		}
+		if err := json.NewDecoder(r.Body).Decode(&got); err != nil {
+			http.Error(w, "decode", http.StatusBadRequest)
+			return
+		}
+		w.WriteHeader(http.StatusOK)
+		_, _ = w.Write([]byte(`{"ok":true}`))
+	}))
+	defer srv.Close()
+
+	c := NewClient(ClientConfig{URL: srv.URL, Token: "secret", Timeout: time.Second})
+	err := c.Report(context.Background(), StatusReport{Hostname: "h", Agent: "Cursor", CWD: "/p", Status: "waiting"})
+	if err != nil || got.Hostname != "h" {
+		t.Fatalf("err=%v got=%+v", err, got)
+	}
+}