feat: add file storage settings and uploads

apps/web/src/styles/pages.css

@@ -1812,6 +1812,121 @@
   justify-content: flex-end;
 }
 
+.fileStoragePanel {
+  display: grid;
+  gap: 14px;
+}
+
+.fileStorageToolbar {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  padding: 14px 16px;
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  background: #fff;
+}
+
+.fileStorageSettingsCard {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) minmax(260px, 380px) auto;
+  align-items: center;
+  gap: 14px;
+  padding: 14px 16px;
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  background: #fff;
+}
+
+.fileStorageSettingsCard > div {
+  display: grid;
+  gap: 3px;
+}
+
+.fileStorageSettingsCard > label {
+  min-width: 0;
+}
+
+.fileStorageToolbar > div {
+  display: grid;
+  gap: 3px;
+}
+
+.fileStorageToolbar strong {
+  color: var(--text-normal);
+}
+
+.fileStorageToolbar span,
+.fileStorageSettingsCard span,
+.fileStorageMeta span {
+  color: var(--muted-foreground);
+  font-size: var(--font-size-xs);
+  line-height: 1.45;
+}
+
+.fileStorageGrid {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 14px;
+}
+
+.fileStorageCard {
+  display: grid;
+  gap: 12px;
+  padding: 16px;
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  background: #fff;
+}
+
+.fileStorageCard header,
+.fileStorageCard footer {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+}
+
+.fileStorageCard header > div:nth-child(2) {
+  display: grid;
+  min-width: 0;
+  flex: 1;
+  gap: 3px;
+}
+
+.fileStorageCard strong,
+.fileStorageCard header span,
+.fileStorageMeta span {
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.fileStorageMeta {
+  display: grid;
+  gap: 7px;
+}
+
+.fileStorageMeta span {
+  padding: 7px 9px;
+  border: 1px solid var(--border-subtle);
+  border-radius: 8px;
+  background: var(--surface-subtle);
+}
+
+.fileStorageCard footer {
+  justify-content: flex-end;
+}
+
+.fileStorageDialogBody {
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+}
+
+.fileStorageSceneGrid {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 10px;
+}
+
 .runtimePolicyDialog {
   width: min(980px, 100%);
 }
@@ -1983,6 +2098,7 @@
   .providerCatalogGrid,
   .baseModelGrid,
   .runtimePolicyGrid,
+  .fileStorageGrid,
   .platformGrid,
   .accessPermissionGrid,
   .platformModelChoices {
@@ -2023,7 +2139,11 @@
   .platformModelRow,
   .platformModelToolbar,
   .runtimePolicyGrid,
+  .fileStorageGrid,
+  .fileStorageSettingsCard,
+  .fileStorageSceneGrid,
   .runtimePolicyFormBody,
+  .fileStorageDialogBody,
   .runtimePolicyRows,
   .runnerActionGrid,
   .accessPermissionGrid,