fix(04-02): revert out-of-scope real client edit

- drop sdk/real.py change to respect requested write scope
- update phase summary file list

.planning/phases/04-matrix-mvp-shared-agent-context-and-context-management-comma/04-02-SUMMARY.md

@@ -34,7 +34,6 @@ sessions, current session, and last token usage.
 - `adapter/matrix/handlers/__init__.py`
 - `adapter/matrix/handlers/context_commands.py`
 - `adapter/matrix/bot.py`
-- `sdk/real.py`
 - `tests/adapter/matrix/test_context_commands.py`
 - `tests/platform/test_prototype_state.py`