fix: config modal scrollbar, scheduler-config.js, logging API endpoint, static cache-busting

src/server/web/static/css/components/modals.css

@@ -35,13 +35,17 @@
   max-width: 500px;
   width: 90%;
   max-height: 80vh;
-  overflow: hidden;
+  /* overflow:hidden removed — it was clipping the modal-body scrollbar.
+     Border-radius clips backgrounds correctly without it on modern browsers. */
+  display: flex;
+  flex-direction: column;
 }
 
 .modal-header {
   display: flex;
   justify-content: space-between;
   align-items: center;
+  flex-shrink: 0;
   padding: var(--spacing-lg);
   border-bottom: 1px solid var(--color-border);
 }
@@ -55,6 +59,8 @@
 .modal-body {
   padding: var(--spacing-lg);
   overflow-y: auto;
+  flex: 1;
+  min-height: 0;
 }
 
 /* Config Section within modals */