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feat(cli): show context compression count in status bar

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Display the number of context compressions in the CLI status bar when
compressions > 0, helping users understand conversation compression
pressure during long sessions.

- Wide layout (>=76 cols): shows 'cmp N' between context percent and duration
- Medium layout (52-75 cols): shows 'cmp N' between percent and duration
- Narrow layout (<52 cols): omitted to save space
- Color-coded: dim for 1-4, warn for 5-9, bad for 10+
- Hidden when zero to keep the bar clean for new sessions

Closes #18564
This commit is contained in:
Sofia Yang 2026-05-01 18:24:06 -05:00 • committed by Teknium
parent e38ea38079
commit 103e11926f
2 changed files with 141 additions and 2 deletions
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31
cli.py
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@ -2571,6 +2571,15 @@ class HermesCLI:
return "class:status-bar-warn"
return "class:status-bar-good"
@staticmethod
def _compression_count_style(count: int) -> str:
"""Return a style class reflecting context compression pressure."""
if count >= 10:
return "class:status-bar-bad"
if count >= 5:
return "class:status-bar-warn"
return "class:status-bar-dim"
def _build_context_bar(self, percent_used: Optional[int], width: int = 10) -> str:
safe_percent = max(0, min(100, percent_used or 0))
filled = round((safe_percent / 100) * width)
@ -2854,6 +2863,9 @@ class HermesCLI:
return self._trim_status_bar_text(text, width)
if width < 76:
parts = [f"⚕ {snapshot['model_short']}", percent_label]
compressions = snapshot.get("compressions", 0)
if compressions:
parts.append(f"cmp {compressions}")
parts.append(duration_label)
return self._trim_status_bar_text(" · ".join(parts), width)
@ -2864,7 +2876,10 @@ class HermesCLI:
else:
context_label = "ctx --"
compressions = snapshot.get("compressions", 0)
parts = [f"⚕ {snapshot['model_short']}", context_label, percent_label]
if compressions:
parts.append(f"cmp {compressions}")
parts.append(duration_label)
prompt_elapsed = snapshot.get("prompt_elapsed")
if prompt_elapsed:
@ -2898,15 +2913,21 @@ class HermesCLI:
percent = snapshot["context_percent"]
percent_label = f"{percent}%" if percent is not None else "--"
if width < 76:
compressions = snapshot.get("compressions", 0)
frags = [
("class:status-bar", " ⚕ "),
("class:status-bar-strong", snapshot["model_short"]),
("class:status-bar-dim", " · "),
(self._status_bar_context_style(percent), percent_label),
]
if compressions:
frags.append(("class:status-bar-dim", " · "))
frags.append((self._compression_count_style(compressions), f"cmp {compressions}"))
frags.extend([
("class:status-bar-dim", " · "),
("class:status-bar-dim", duration_label),
("class:status-bar", " "),
]
])
else:
if snapshot["context_length"]:
ctx_total = _format_context_length(snapshot["context_length"])
@ -2916,6 +2937,7 @@ class HermesCLI:
context_label = "ctx --"
bar_style = self._status_bar_context_style(percent)
compressions = snapshot.get("compressions", 0)
frags = [
("class:status-bar", " ⚕ "),
("class:status-bar-strong", snapshot["model_short"]),
@ -2925,9 +2947,14 @@ class HermesCLI:
(bar_style, self._build_context_bar(percent)),
("class:status-bar-dim", " "),
(bar_style, percent_label),
]
if compressions:
frags.append(("class:status-bar-dim", " │ "))
frags.append((self._compression_count_style(compressions), f"cmp {compressions}"))
frags.extend([
("class:status-bar-dim", " │ "),
("class:status-bar-dim", duration_label),
]
])
# Position 7: per-prompt elapsed timer (live or frozen)
prompt_elapsed = snapshot.get("prompt_elapsed")
if prompt_elapsed: