Add TMDB metadata client and Fetch Data: real episode titles/air dates via TMDB, with a Settings modal for the API token

src/components/RenamePanel.css

@@ -127,6 +127,12 @@
   background: #28515a;
 }
 
+.list-icon-button:disabled {
+  opacity: 0.45;
+  cursor: default;
+  pointer-events: none;
+}
+
 .load-menu {
   position: relative;
   display: inline-flex;
@@ -362,6 +368,39 @@
   padding: 0 18px;
 }
 
+.modal-actions-split {
+  justify-content: space-between;
+  align-items: center;
+}
+
+.modal-card-compact {
+  max-height: none;
+}
+
+.modal-subtitle a {
+  color: var(--aurora-cyan);
+}
+
+.modal-field-label {
+  display: block;
+  font-size: 11px;
+  font-weight: 700;
+  color: var(--muted-text);
+  margin: 4px 0 6px;
+}
+
+.modal-text-input {
+  width: 100%;
+  box-sizing: border-box;
+  padding: 8px 10px;
+  border-radius: 8px;
+  border: 1px solid var(--surface-deep);
+  background: var(--surface);
+  color: var(--text);
+  font-family: ui-monospace, "SF Mono", monospace;
+  font-size: 12.5px;
+}
+
 .status-bar {
   position: absolute;
   left: 18px;