chat_core_ensure_channel_ready() had a duplicate CREATE TABLE peers_*
with OLD schema (no node_RTT, node_type, connected). Since it was called
from 4 places WITHOUT topo_node_sqlite_channel_put() first, the old
schema was created first, and IF NOT EXISTS in the new DDL was a no-op.
Removed the entire old block. Only topo_node_sqlite_channel_put() now
creates peers_* tables with the full schema.
Also removed ORDER BY p.node_RTT from get_public_peers/get_local_peers —
ordering not needed for sequential connect attempts.
Evgeny
be258eea4d