fix(review round 1): daemon PAT-header auth, job pruning, session-split batches, streaming tars, seed cleanup, ping/pong, byte caps, branch switch, slug --, ctx cancel, Init:true, pagination, latest/before events; web newest-window history + load-older, offline busy gate, staleness guards, memo store, auth probe, scroll key, focus-visible, draft restore, poll dedup; 106+181 tests, coverage 96.2%/95.1%+

daemon/store.go

@@ -131,6 +131,47 @@ func (s *Store) EventsAfter(sessionID string, after int64, limit int) ([]Event,
 	return out, rows.Err()
 }
 
+// EventsLatest returns the newest limit events for the session, ascending.
+func (s *Store) EventsLatest(sessionID string, limit int) ([]Event, error) {
+	return s.eventsDesc(sessionID, ` WHERE sessionId=? ORDER BY seq DESC LIMIT ?`, limit, sessionID)
+}
+
+// EventsBefore returns the newest window of at most limit events with
+// seq < before, ascending.
+func (s *Store) EventsBefore(sessionID string, before int64, limit int) ([]Event, error) {
+	return s.eventsDesc(sessionID, ` WHERE sessionId=? AND seq<? ORDER BY seq DESC LIMIT ?`,
+		limit, sessionID, before)
+}
+
+// eventsDesc runs a newest-first query and returns the rows reversed
+// (oldest-first), for newest-window reads.
+func (s *Store) eventsDesc(sessionID, where string, limit int, args ...any) ([]Event, error) {
+	rows, err := s.db.Query(
+		`SELECT sessionId, seq, ts, type, payload FROM events`+where, append(args, limit)...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var desc []Event
+	for rows.Next() {
+		var e Event
+		var payload string
+		if err := rows.Scan(&e.SessionID, &e.Seq, &e.TS, &e.Type, &payload); err != nil {
+			return nil, err
+		}
+		e.Payload = json.RawMessage(payload)
+		desc = append(desc, e)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	out := make([]Event, len(desc))
+	for i, e := range desc {
+		out[len(desc)-1-i] = e
+	}
+	return out, nil
+}
+
 // UpsertSession inserts or refreshes the info snapshot for a session.
 func (s *Store) UpsertSession(info SessionInfo) error {
 	blob, err := json.Marshal(info)
@@ -158,7 +199,7 @@ func (s *Store) SetOnline(sessionID string, online bool) error {
 	return err
 }
 
-// Sessions returns every known session row ordered oldest-first.
+// Sessions returns every known session row ordered by session id.
 func (s *Store) Sessions() ([]SessionRow, error) {
 	rows, err := s.db.Query(`SELECT id, info, lastSeq, lastEventAt, online FROM sessions ORDER BY id`)
 	if err != nil {