feat(trash): deferred purge after configurable days, groups in trash

db/migration.sql

@@ -92,6 +92,7 @@ CREATE TABLE IF NOT EXISTS entry_photos (
 CREATE INDEX IF NOT EXISTS idx_entry_photos_entry_id ON entry_photos(entry_id);
 
 ALTER TABLE entries ADD COLUMN IF NOT EXISTS deleted_at TIMESTAMPTZ;
+ALTER TABLE entries ADD COLUMN IF NOT EXISTS purge_at TIMESTAMPTZ;
 ALTER TABLE entries ADD COLUMN IF NOT EXISTS description_original TEXT;
 ALTER TABLE entries ADD COLUMN IF NOT EXISTS description_ai TEXT;
 ALTER TABLE entries ADD COLUMN IF NOT EXISTS ai_status VARCHAR(20) NOT NULL DEFAULT 'pending';
@@ -118,6 +119,9 @@ ON CONFLICT (key) DO NOTHING;
 INSERT INTO settings (key, value) VALUES ('camera_enabled', 'true')
 ON CONFLICT (key) DO NOTHING;
 
+INSERT INTO settings (key, value) VALUES ('trash_purge_days', '30')
+ON CONFLICT (key) DO NOTHING;
+
 DO $$
 BEGIN
   IF NOT EXISTS (SELECT 1 FROM settings WHERE key = 'ai_autocheck_migrated') THEN
@@ -140,6 +144,8 @@ ALTER TABLE groups ADD COLUMN IF NOT EXISTS day_of_week INT;
 ALTER TABLE groups ADD COLUMN IF NOT EXISTS time_start TIME;
 ALTER TABLE groups ADD COLUMN IF NOT EXISTS time_end TIME;
 ALTER TABLE groups ADD COLUMN IF NOT EXISTS cover_path VARCHAR(255);
+ALTER TABLE groups ADD COLUMN IF NOT EXISTS deleted_at TIMESTAMPTZ;
+ALTER TABLE groups ADD COLUMN IF NOT EXISTS purge_at TIMESTAMPTZ;
 
 CREATE TABLE IF NOT EXISTS users (
   id SERIAL PRIMARY KEY,