Files
hermes-agent/agent/manual_compression_feedback.py

97 lines
4.1 KiB
Python

"""User-facing summaries for manual compression commands."""
from __future__ import annotations
from typing import Any, Sequence
from agent.redact import redact_sensitive_text
def describe_compression_lock_skip(lock_signal: Any) -> str:
"""User-facing text for a manual /compress skipped by the compression lock.
``lock_signal`` is a holder string when another compressor CONFIRMED holds
the lock, else ``True``/``None``. A failed acquire is NOT proof another
compression is running (``try_acquire_compression_lock`` swallows
``sqlite3.Error``), so the two cases are worded differently.
"""
if isinstance(lock_signal, str) and lock_signal.strip():
return (
f"⏳ Compression already in progress for this session "
f"(holder: {lock_signal}). Please wait for it to finish."
)
return (
"⏳ Compression skipped: could not acquire this session's compression lock. Another compression may "
"still be running, or the lock check failed — try again shortly."
)
def summarize_manual_compression(
before_messages: Sequence[dict[str, Any]],
after_messages: Sequence[dict[str, Any]],
before_tokens: int,
after_tokens: int,
*,
compression_state: Any = None,
) -> dict[str, Any]:
"""Consistent user-facing feedback (headline, token line, optional note) for manual compression."""
before_count = len(before_messages)
after_count = len(after_messages)
noop = list(after_messages) == list(before_messages)
def flag(name: str) -> bool:
return getattr(compression_state, name, False) is True
aborted = flag("_last_compress_aborted")
refused_would_grow = flag("_last_compress_refused_would_grow")
fallback_used = flag("_last_summary_fallback_used")
failure_reason = getattr(compression_state, "_last_summary_error", None)
if not isinstance(failure_reason, str) or not failure_reason.strip():
failure_reason = None
note = None
if refused_would_grow:
headline = f"Compression refused (summary would grow the conversation): {before_count} messages preserved"
note = "The generated summary was larger than what it would replace; no messages were removed."
elif aborted:
headline = f"Compression aborted: {before_count} messages preserved"
note = "Summary generation failed; no messages were removed."
elif fallback_used:
headline = f"Compressed with fallback: {before_count} → {after_count} messages"
dropped_count = getattr(compression_state, "_last_summary_dropped_count", None)
if not isinstance(dropped_count, int) or isinstance(dropped_count, bool):
dropped_count = max(before_count - after_count, 0)
note = (
"Summary generation failed; Hermes used limited fallback context "
f"and removed {dropped_count} message(s)."
)
elif noop:
headline = f"No changes from compression: {before_count} messages"
else:
headline = f"Compressed: {before_count} → {after_count} messages"
if after_count < before_count and after_tokens > before_tokens:
note = (
"Note: fewer messages can still raise this estimate when "
"compression rewrites the transcript into denser summaries."
)
if (noop and after_tokens == before_tokens) or refused_would_grow:
token_line = f"Approx request size: ~{before_tokens:,} tokens (unchanged)"
else:
token_line = f"Approx request size: ~{before_tokens:,} → ~{after_tokens:,} tokens"
if failure_reason and (aborted or fallback_used):
# Crosses a user-facing UI boundary: never let a disabled global redaction
# preference expose credentials embedded in provider exception text.
note = f"{note} Reason: {redact_sensitive_text(failure_reason.strip(), force=True)}"
return {
"noop": noop,
"aborted": aborted,
"refused_would_grow": refused_would_grow,
"fallback_used": fallback_used,
"headline": headline,
"token_line": token_line,
"note": note,
}