FDN-01: repository & projektgerüst

Git-Repository für bestehenden archivdms-Code initialisiert, Branch-/Commit-Konvention (feature/<ticket>-<slug>-Branches, Ticket-Prefix in Commit-Nachricht) etabliert.

internal/api/dashboard_handlers.go

@@ -0,0 +1,29 @@
+package api
+
+import (
+	"net/http"
+
+	"archivdms/internal/storage"
+)
+
+// handleDashboard returns aggregated, tenant-scoped key figures for the
+// dashboard (GET /api/dashboard). Any authenticated user may view their own
+// tenant's stats — no admin role required. Read-only, so no audit-log entry.
+// Superadmin accounts have no tenant_id (by design, see auth.Manager.issueToken);
+// they get an empty/zeroed snapshot instead of a 403, since there is no
+// single tenant to scope the query to.
+func (s *Server) handleDashboard(w http.ResponseWriter, r *http.Request) {
+	sess := sessionFromCtx(r.Context())
+	if sess.TenantID == nil {
+		writeJSON(w, http.StatusOK, &storage.DashboardStats{})
+		return
+	}
+
+	stats, err := s.store.GetDashboardStats(r.Context(), *sess.TenantID, sess.UserID)
+	if err != nil {
+		s.logger.Error("dashboard stats failed", "err", err)
+		writeError(w, http.StatusInternalServerError, "dashboard stats failed")
+		return
+	}
+	writeJSON(w, http.StatusOK, stats)
+}