Adding fixes that lets us pull a myster in the db into a json file

server/index.ts

@@ -397,6 +397,14 @@ app.delete('/api/admin/npcs/:id/poses/:poseKey', requireAdmin, async (req, res,
 app.get('/api/admin/level-templates', requireAdmin, async (_req, res, next) => {
   try { res.json(await storyGraph.listLevelTemplates()) } catch (error) { next(error) }
 })
+// Read a frozen template version's board (exhibits, goals, rules) for the mystery:pull
+// exporter — read-only, so no editing gate.
+app.get('/api/admin/level-templates/:versionId/export', requireAdmin, async (req, res, next) => {
+  try {
+    const board = await levels.getTemplateBoard(String(req.params.versionId))
+    board ? res.json(board) : res.status(404).json({ error: 'Template version not found' })
+  } catch (error) { next(error) }
+})
 app.get('/api/admin/mysteries/:id/graph', requireAdmin, async (req, res, next) => {
   try {
     const graph = await storyGraph.getGraph(String(req.params.id))