Separate interactive and non-interactive sessions (#4612)

Do not show exec session in VSCode/TUI selector.

codex-rs/core/src/lib.rs

@@ -68,6 +68,7 @@ pub mod terminal;
 mod tool_apply_patch;
 pub mod turn_diff_tracker;
 pub use rollout::ARCHIVED_SESSIONS_SUBDIR;
+pub use rollout::INTERACTIVE_SESSION_SOURCES;
 pub use rollout::RolloutRecorder;
 pub use rollout::SESSIONS_SUBDIR;
 pub use rollout::SessionMeta;