cli/slash: remove the /clear command

src/plyngent/cli/slash.py

@@ -478,14 +478,6 @@ slash.add_command(quit_cmd, name="exit")
 slash.add_command(quit_cmd, name="q")
 
 
-@slash.command("clear")
-@click.pass_obj
-def clear_cmd(state: ReplState) -> None:
-    """Clear in-memory conversation (keeps session id)."""
-    state.agent.messages.clear()
-    click.echo("conversation cleared (in-memory only; DB history kept)")
-
-
 @slash.command("edit")
 @click.pass_obj
 def edit_cmd(state: ReplState) -> None:

src/plyngent/cli/transcript.py

@@ -9,7 +9,7 @@ for every printed row (``-vv``).
 Numbering is a **display ordinal** over the conversation rows (1-based, in the
 order the session holds them): it is what ``/history`` prints and what
 ``/history --message N`` addresses. Database row numbers are deliberately never
-shown or used — they are an implementation detail that shifts with ``/clear``.
+shown or used — they are an implementation detail of the store.
 Local-only rows (the injected system prompt) have no number.
 """