leadership sprint bugfixes

* Messages now in config.json
* puzzle.html: display errors

theme/config.json

@@ -1,5 +1,6 @@
 {
     "TrackSolved": true,
     "URLInScoreboard": true,
+    "Messages": "<!-- Messages can go here (HTML) -->",
     "__sentry__": "this is here so you don't have to remember to take the comma off the last item"
 }

theme/index.mjs

@@ -68,6 +68,10 @@ class App {
      */
     async UpdateConfig() {
         this.config = await common.Config()
+
+        for (let e of document.querySelectorAll(".messages")) {
+            e.innerHTML = this.config.Messages || ""
+        }
     }
 
     /**
@@ -79,9 +83,6 @@ class App {
      */
     async UpdateState() {
         this.state = await this.server.GetState()
-        for (let e of document.querySelectorAll(".messages")) {
-            e.innerHTML = this.state.Messages
-        }
 
         // Update elements with data-track-solved
         for (let e of document.querySelectorAll("[data-track-solved]")) {
@@ -133,7 +134,7 @@ class App {
             if (this.state.DevelopmentMode()) {
                 let a = h.appendChild(document.createElement('a'))
                 a.classList.add("mothball")
-                a.textContent = "📦"
+                a.textContent = "⬇️"
                 a.href = this.server.URL(`mothballer/${cat}.mb`)
                 a.title = "Download a compiled puzzle for this category"
             }

theme/moth.mjs

@@ -352,7 +352,7 @@ class State {
      * @param {Object} obj Raw state data
      */
     constructor(server, obj) {
-        for (let key of ["Config", "Messages", "TeamNames", "PointsLog"]) {
+        for (let key of ["Config", "TeamNames", "PointsLog"]) {
             if (!obj[key]) {
                 throw(`Missing state property: ${key}`)
             }

theme/puzzle.mjs

@@ -142,9 +142,24 @@ async function loadPuzzle(category, points) {
     }    
 
     let puzzle = server.GetPuzzle(category, points)
+
     console.time("Populate")
-    await puzzle.Populate()
-    console.timeEnd("Populate")
+    try {
+        await puzzle.Populate()
+    }
+    catch {
+        let error = puzzleElement().appendChild(document.createElement("pre"))
+        error.classList.add("notification", "error")
+        error.textContent = puzzle.Error.Body
+        return
+    }
+    finally {
+        console.timeEnd("Populate")
+    }
+
+    console.info(`Setting base tag to ${contentBase}`)
+    let baseElement = document.head.appendChild(document.createElement("base"))
+    baseElement.href = contentBase
 
     console.info("Tweaking HTML...")
     let title = `${category} ${points}`
@@ -183,9 +198,6 @@ async function loadPuzzle(category, points) {
         }
     }
 
-    let baseElement = document.head.appendChild(document.createElement("base"))
-    baseElement.href = contentBase
-
     window.app.puzzle = puzzle
     console.info("window.app.puzzle =", window.app.puzzle)