feat: the assistant keeps several chats - the current one named in the header, the list under its arrow to open or delete; actions as compact cards; folding parts open smoothly

internal/server/dbpg.go

@@ -126,7 +126,7 @@ func OpenPostgres(c PGConf, sqlitePath string) (*DB, error) {
 
 // copyTables are copied parents first, for the foreign keys.
 var copyTables = []string{"config", "admins", "agents", "admin_sessions", "audit", "ufw_rules", "admin_keys",
-	"forward_rules", "admin_agents", "ssh_hosts", "ai_messages"}
+	"forward_rules", "admin_agents", "ssh_hosts", "ai_chats", "ai_messages"}
 
 // copyDB copies every row of src into dst (an empty PostgreSQL), in one
 // transaction, then moves the id counters past the copied ids.