hold Obsidian boot until the priority cache slice loads

apps/ignis-server/server/assets/index.html

@@ -65,25 +65,67 @@
     }, 250);
   }
 
-  update();
+  function appendScripts() {
+    // No Obsidian scripts to load (markup or scrape mismatch); clear the splash instead of pulsing forever.
+    if (scripts.length === 0) {
+      done();
+      return;
+    }
 
-  for (var i = 0; i < scripts.length; i++) {
-    var s = document.createElement("script");
-    s.type = "text/javascript";
-    s.src = scripts[i];
-    s.async = false;
-    s.onload = function () {
-      loaded++;
-      update();
-      if (loaded === scripts.length) done();
-    };
-    s.onerror = function () {
-      loaded++;
-      update();
-      if (loaded === scripts.length) done();
-    };
-    document.body.appendChild(s);
+    update();
+
+    for (var i = 0; i < scripts.length; i++) {
+      var s = document.createElement("script");
+      s.type = "text/javascript";
+      s.src = scripts[i];
+      s.async = false;
+      s.onload = function () {
+        loaded++;
+        update();
+        if (loaded === scripts.length) done();
+      };
+      s.onerror = function () {
+        loaded++;
+        update();
+        if (loaded === scripts.length) done();
+      };
+      document.body.appendChild(s);
+    }
   }
+
+  // Hold Obsidian's scripts until the shim signals the priority cache slice has landed (window.__ignisBootReady), so Obsidian's early config and plugin reads hit the warm cache.
+  // A timeout proceeds anyway, so a missing or never-resolving promise degrades to loading immediately instead of blocking boot.
+  var ready = window.__ignisBootReady;
+  if (!ready || typeof ready.then !== "function") {
+    appendScripts();
+    return;
+  }
+
+  var started = false;
+
+  function start() {
+    if (started) {
+      return;
+    }
+
+    started = true;
+    // Tell the shim's progress writer to stop touching the splash label now that we own it.
+    window.__ignisBootStarted = true;
+    appendScripts();
+  }
+
+  var timer = setTimeout(start, 3000);
+
+  ready.then(
+    function () {
+      clearTimeout(timer);
+      start();
+    },
+    function () {
+      clearTimeout(timer);
+      start();
+    },
+  );
 })();
 </script>
 </body>