Add debug Remove entry, Show more auto-picker, and update docs.

DELETE /api/paintings/:id removes works and image files with gallery refresh and catalog navigation; Show more opens the search modal on load; documentation updated for migrate schema and debug workflow.

Co-authored-by: Cursor <cursoragent@cursor.com>

server/image-service.js

@@ -189,6 +189,30 @@ function unlinkPortraitFiles(row, safeBase) {
   }
 }
 
+async function deletePainting(paintingId) {
+  const result = await pool.query(
+    `SELECT p.id, p.title, p.image_path, p.thumbnail_path, p.artist_id, a.name AS artist_name
+     FROM paintings p
+     JOIN artists a ON a.id = p.artist_id
+     WHERE p.id = $1`,
+    [paintingId]
+  );
+  if (result.rows.length === 0) {
+    throw new Error('Painting not found');
+  }
+
+  const row = result.rows[0];
+  const safeBase = safePaintingBase(row.artist_name, row.title);
+  unlinkPaintingFiles(row, safeBase);
+
+  inflight.delete(`${paintingId}:thumb`);
+  inflight.delete(`${paintingId}:full`);
+
+  await pool.query(`DELETE FROM paintings WHERE id = $1`, [paintingId]);
+
+  return { id: row.id, artistId: row.artist_id, title: row.title };
+}
+
 async function clearPaintingImage(paintingId) {
   const result = await pool.query(
     `SELECT p.id, p.title, p.image_path, p.thumbnail_path, a.name AS artist_name
@@ -436,6 +460,7 @@ module.exports = {
   replacePaintingImageFromUrl,
   replaceArtistPortraitFromUrl,
   clearPaintingImage,
+  deletePainting,
   clearArtistPortrait,
   replacePaintingImageFromBuffer,
   replaceArtistPortraitFromBuffer,