Initial RAA parser poster copy

db/migrations/038_site_poster.sql

@@ -0,0 +1,15 @@
+INSERT INTO worker_controls(name, enabled, settings_json)
+VALUES ('site-poster', FALSE, '{}'::jsonb)
+ON CONFLICT (name) DO NOTHING;
+
+INSERT INTO app_settings(key, value_json, value_type, title, description, category)
+VALUES
+  ('site_poster_enabled', 'false'::jsonb, 'bool', 'Site poster enabled', 'Double safety flag for automatic site publishing.', 'Site Poster'),
+  ('site_poster_provider', '""'::jsonb, 'str', 'Site provider', 'Publish adapter: ghost now; wordpress can be added as a code adapter later.', 'Site Poster'),
+  ('site_poster_base_url', '""'::jsonb, 'str', 'Site API base URL', 'Public/admin base URL for the selected site provider.', 'Site Poster'),
+  ('site_poster_secret_file', '""'::jsonb, 'str', 'Site secret file', 'Server path to the selected provider API secret. Keep empty in git.', 'Site Poster'),
+  ('site_poster_fallback_title', '"Новость"'::jsonb, 'str', 'Fallback article title', 'Title used when post text has no first line.', 'Site Poster'),
+  ('site_poster_interval_sec', '300'::jsonb, 'int', 'Site poster interval, sec', 'Pause between automatic queue checks.', 'Site Poster'),
+  ('site_poster_photo_batch_size', '10'::jsonb, 'int', 'Photo batch size', 'Maximum photo-ready posts per automatic run.', 'Site Poster'),
+  ('site_poster_video_batch_size', '1'::jsonb, 'int', 'Video batch size', 'Maximum video-only posts per automatic run.', 'Site Poster')
+ON CONFLICT (key) DO NOTHING;