fix: restore scrolling and validator enforcement

src/renderer/styles.css

@@ -937,6 +937,21 @@ select:focus-visible {
   min-height: 0;
   overflow: hidden;
 }
+.repo-content > .tab-page,
+.repo-content > .validator-page {
+  height: 100%;
+  min-height: 0;
+  overflow-x: hidden;
+  overflow-y: auto;
+  overscroll-behavior: contain;
+  scrollbar-gutter: stable;
+}
+.repo-content > .validator-empty,
+.repo-content > .empty-state {
+  max-height: 100%;
+  overflow-y: auto;
+  overscroll-behavior: contain;
+}
 .changes-layout {
   height: 100%;
   min-height: 0;
@@ -1286,7 +1301,7 @@ html[data-theme="light"] .diff-line.remove {
   padding: 18px;
   display: grid;
   gap: 14px;
-  overflow: auto;
+  align-content: start;
 }
 .validator-empty {
   min-height: 360px;
@@ -2572,9 +2587,8 @@ kbd {
   font: 11px var(--font-mono);
 }
 .tab-page {
-  min-height: 100%;
+  min-height: 0;
   padding: 18px 19px 42px;
-  overflow: auto;
 }
 .git-tools-grid {
   display: grid;