Add links-mode embed thumbnails, item metadata, and media filters

poc/src/media.ts

@@ -93,6 +93,12 @@ export interface MediaItemResult {
     channelId: string;
     kind: MediaKind;
     source: string | null;
+    authorId: string | null;
+    authorName: string | null;
+    postedAt: string | null;
+    width: number | null;
+    height: number | null;
+    aspectRatio: number | null;
     url: string;
     localUrl: string | null;
     thumbUrl: string | null;
@@ -337,6 +343,29 @@ export class MediaService {
         };
     }
 
+    /** Distinct posters across every scrape, biggest first. */
+    listAuthors(): Array<{ id: string | null; name: string | null; count: number }> {
+        const totals = new Map<string, { id: string | null; name: string | null; count: number }>();
+
+        for (const meta of this.engine.list()) {
+            if (meta.state === "deleted") continue;
+
+            const store = new ScrapeStore(scrapeDir(this.rootDir, meta.id));
+            try {
+                for (const author of store.authors()) {
+                    const key = author.id ?? author.name ?? "unknown";
+                    const current = totals.get(key);
+                    if (current) current.count += author.count;
+                    else totals.set(key, { ...author });
+                }
+            } finally {
+                store.close();
+            }
+        }
+
+        return [...totals.values()].sort((a, b) => b.count - a.count);
+    }
+
     /** One media row inside a scrape, with its scrape and channel for context. */
     getMediaItem(scrapeId: string, itemId: number): (MediaRow & { scrapeId: string; channelId: string }) | null {
         const meta = this.engine.get(scrapeId);
@@ -358,6 +387,11 @@ export class MediaService {
             source?: string;
             scrapeId?: string;
             channelId?: string;
+            authorId?: string;
+            aspect?: string;
+            resolution?: string;
+            after?: string;
+            before?: string;
             limit?: number;
             offset?: number;
         } = {}
@@ -377,6 +411,11 @@ export class MediaService {
                 const rows = store.queryMedia({
                     kind: options.kind,
                     source: options.source,
+                    authorId: options.authorId,
+                    aspect: options.aspect,
+                    resolution: options.resolution,
+                    after: options.after,
+                    before: options.before,
                     limit: limit + offset
                 });
                 for (const row of rows) {
@@ -388,6 +427,12 @@ export class MediaService {
                         channelId: meta.channelId,
                         kind: row.kind,
                         source: row.source,
+                        authorId: row.author_id,
+                        authorName: row.author_name,
+                        postedAt: row.posted_at,
+                        width: row.width,
+                        height: row.height,
+                        aspectRatio: row.aspect_ratio,
                         url: row.url,
                         localUrl: row.file_path ? `/api/media/${meta.id}/${row.id}/file` : null,
                         thumbUrl: row.preview_hash ? `/api/media/${meta.id}/${row.id}/thumb` : null,