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fix(cli): redirect resume status lines to stderr in quiet mode (#11793)

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When 'hermes chat --quiet --resume <id> -q "..."' is used, three status
messages were written to stdout via ChatConsole / _cprint:

  - '↻ Resumed session <id> (N user messages, M total messages)'
  - 'Session <id> found but has no messages. Starting fresh.'
  - 'Session not found: <id>' / usage hint

This polluted the machine-readable stdout that automation wrappers capture
with $(...), making it impossible to cleanly separate the agent's answer
from the resume banner.

Fix: detect quiet mode via tool_progress_mode == 'off' and route the three
resume status messages to stderr (as plain text, matching the existing
stderr convention for session_id). Interactive mode is unchanged — it
still uses the Rich-rendered path through ChatConsole.

Surgical reapply of PR #11868. Original branch was stale against current
main; reapplied onto current cli.py by hand with original authorship
preserved via --author.
This commit is contained in:
Michel Belleau 2026-05-25 00:58:51 -07:00 • committed by Teknium
parent 11c40d6a42
commit 25295e7ac9
1 changed files with 38 additions and 11 deletions
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49
cli.py
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@ -4756,9 +4756,22 @@ class HermesCLI:
# is non-empty and we skip the DB round-trip.
if self._resumed and self._session_db and not self.conversation_history:
session_meta = self._session_db.get_session(self.session_id)
# In quiet mode (`hermes chat -Q` / --quiet, surfaced via
# tool_progress_mode == "off"), resume status lines go to stderr
# so stdout stays machine-readable for automation wrappers that
# do `$(hermes chat -Q --resume <id> -q "...")`. Without this,
# the resume banner pollutes captured stdout. See #11793.
_quiet_mode = getattr(self, "tool_progress_mode", "full") == "off"
if not session_meta:
_cprint(f"\033[1;31mSession not found: {self.session_id}{_RST}")
_cprint(f"{_DIM}Use a session ID from a previous CLI run (hermes sessions list).{_RST}")
if _quiet_mode:
print(f"Session not found: {self.session_id}", file=sys.stderr)
print(
"Use a session ID from a previous CLI run (hermes sessions list).",
file=sys.stderr,
)
else:
_cprint(f"\033[1;31mSession not found: {self.session_id}{_RST}")
_cprint(f"{_DIM}Use a session ID from a previous CLI run (hermes sessions list).{_RST}")
return False
# If the requested session is the (empty) head of a compression
# chain, walk to the descendant that actually holds the messages.
@ -4785,16 +4798,30 @@ class HermesCLI:
title_part = ""
if session_meta.get("title"):
title_part = f" \"{session_meta['title']}\""
ChatConsole().print(
f"[bold {_accent_hex()}]↻ Resumed session[/] "
f"[bold]{_escape(self.session_id)}[/]"
f"[bold {_accent_hex()}]{_escape(title_part)}[/] "
f"({msg_count} user message{'s' if msg_count != 1 else ''}, {len(restored)} total messages)"
)
if _quiet_mode:
print(
f"↻ Resumed session {self.session_id}{title_part} "
f"({msg_count} user message{'s' if msg_count != 1 else ''}, "
f"{len(restored)} total messages)",
file=sys.stderr,
)
else:
ChatConsole().print(
f"[bold {_accent_hex()}]↻ Resumed session[/] "
f"[bold]{_escape(self.session_id)}[/]"
f"[bold {_accent_hex()}]{_escape(title_part)}[/] "
f"({msg_count} user message{'s' if msg_count != 1 else ''}, {len(restored)} total messages)"
)
else:
ChatConsole().print(
f"[bold {_accent_hex()}]Session {_escape(self.session_id)} found but has no messages. Starting fresh.[/]"
)
if _quiet_mode:
print(
f"Session {self.session_id} found but has no messages. Starting fresh.",
file=sys.stderr,
)
else:
ChatConsole().print(
f"[bold {_accent_hex()}]Session {_escape(self.session_id)} found but has no messages. Starting fresh.[/]"
)
# Re-open the session (clear ended_at so it's active again)
try:
self._session_db._conn.execute(