Add media storage limits, retention, and the near-limit flow

media-scrape/src/store.ts

@@ -216,6 +216,19 @@ export class ScrapeStore {
         return added;
     }
 
+    /** Sum of the recorded source sizes per kind. Used by the storage bar. */
+    sumBytesByKind(): Record<MediaKind, number> {
+        const rows = this.db
+            .prepare("SELECT kind, COALESCE(SUM(size), 0) AS bytes FROM media GROUP BY kind")
+            .all() as unknown as Array<{ kind: string; bytes: number }>;
+
+        const result = emptyMediaCounts();
+        for (const row of rows) {
+            if (row.kind in result) result[row.kind as MediaKind] = row.bytes;
+        }
+        return result;
+    }
+
     counts(): Record<MediaKind, number> {
         const rows = this.db
             .prepare("SELECT kind, COUNT(*) AS n FROM media GROUP BY kind")