Add human-led conversation learning loop

src/database/media-library-repository.ts

@@ -43,6 +43,7 @@ interface SendRow {
   matrix_text_event_id: string | null;
   mxc_uri: string | null;
   error: string | null;
+  initiated_by: 'automation' | 'human';
 }
 
 export interface CreateMediaLibraryAsset {
@@ -164,18 +165,19 @@ export class MediaLibraryRepository {
     conversationId: string,
     incomingKey: string,
     requestKind: MediaRequestKind,
+    initiatedBy: 'automation' | 'human' = 'automation',
     now = Date.now(),
   ): MediaLibrarySend | null {
     try {
       this.db.prepare(`
         INSERT INTO media_library_sends (
           asset_id, asset_sha256, account_id, conversation_id, incoming_key, request_kind,
-          status, requested_at
+          status, requested_at, initiated_by
         )
-        SELECT asset_id, sha256, ?, ?, ?, ?, 'pending', ?
+        SELECT asset_id, sha256, ?, ?, ?, ?, 'pending', ?, ?
         FROM media_library_assets
         WHERE asset_id = ? AND deleted_at IS NULL AND enabled = 1
-      `).run(accountId, conversationId, incomingKey, requestKind, now, assetId);
+      `).run(accountId, conversationId, incomingKey, requestKind, now, initiatedBy, assetId);
       return this.getSend(accountId, conversationId, incomingKey) ?? null;
     } catch (error) {
       if (error instanceof Error && /UNIQUE constraint failed/.test(error.message)) return null;
@@ -253,5 +255,6 @@ function mapSend(row: SendRow): MediaLibrarySend {
     matrixTextEventId: row.matrix_text_event_id,
     mxcUri: row.mxc_uri,
     error: row.error,
+    initiatedBy: row.initiated_by,
   };
 }