fix .agent commits

phased-execution/SKILL.md

@@ -101,8 +101,9 @@ phases: `.agent/reports/<phase>.a*.*`) — the script also prints a ready to run
 - Legacy flat phase files (`todo/NN_name.md`) are still executed as a single
   unit; `phase-authoring`'s `migrate-phases-to-tasks.sh` converts them to the
   directory layout (the phase's final pass then picks up any inline task list).
-- Child executor sessions are kept in `.agent/phase-sessions/`; add it to
-  `.gitignore` if the project is versioned.
+- Child executor sessions are kept in `.agent/phase-sessions/` (plus
+  `pipeline.log` in `.agent/`); if the project is versioned, git-ignore those
+  runtime artifacts only — `.agent/` itself is tracked and committed.
 - If you keep non-skill markdown (e.g. a `README.md`) in a skills directory
   (like `~/.pi/agent/skills/`), pi warns “description is required” for it.
   Add a `.gitignore` in that directory listing the file — pi's skill scanner