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Merge pull request #364 from costajohnt/refactor/reactive-compact-summarize-old-history

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refactor: summarize only trimmed history in reactive_compact
This commit is contained in:
gui-yue
2026-06-22 15:54:24 +08:00
committed by GitHub
parent 58ded12b98 90a044883f
commit ef3e88eead
7 changed files with 96 additions and 18 deletions
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12
s08_context_compact/README.en.md
View File

@@ -46,10 +46,12 @@ def snip_compact(messages, max_messages=50):
if len(messages) <= max_messages:
return messages
head_end, tail_start = 3, len(messages) - (max_messages - 3)
if _message_has_tool_use(messages[head_end - 1]):
if head_end > 0 and _message_has_tool_use(messages[head_end - 1]):
while head_end < len(messages) and _is_tool_result_message(messages[head_end]):
head_end += 1
if _is_tool_result_message(messages[tail_start]) and _message_has_tool_use(messages[tail_start - 1]):
if (tail_start > 0 and tail_start < len(messages)
and _is_tool_result_message(messages[tail_start])
and _message_has_tool_use(messages[tail_start - 1])):
tail_start -= 1
snipped = tail_start - head_end
placeholder = {"role": "user", "content": f"[snipped {snipped} messages from conversation middle]"}
@@ -139,10 +141,12 @@ This triggers **reactive_compact**: more aggressive than compact_history, it ret
```python
def reactive_compact(messages):
transcript = write_transcript(messages)
summary = summarize_history(messages)
tail_start = max(0, len(messages) - 5)
if _is_tool_result_message(messages[tail_start]) and _message_has_tool_use(messages[tail_start - 1]):
if (tail_start > 0 and tail_start < len(messages)
and _is_tool_result_message(messages[tail_start])
and _message_has_tool_use(messages[tail_start - 1])):
tail_start -= 1
summary = summarize_history(messages[:tail_start])
return [{"role": "user",
"content": f"[Reactive compact]\n\n{summary}"}, *messages[tail_start:]]
```

12
s08_context_compact/README.ja.md
View File

@@ -46,10 +46,12 @@ def snip_compact(messages, max_messages=50):
if len(messages) <= max_messages:
return messages
head_end, tail_start = 3, len(messages) - (max_messages - 3)
if _message_has_tool_use(messages[head_end - 1]):
if head_end > 0 and _message_has_tool_use(messages[head_end - 1]):
while head_end < len(messages) and _is_tool_result_message(messages[head_end]):
head_end += 1
if _is_tool_result_message(messages[tail_start]) and _message_has_tool_use(messages[tail_start - 1]):
if (tail_start > 0 and tail_start < len(messages)
and _is_tool_result_message(messages[tail_start])
and _message_has_tool_use(messages[tail_start - 1])):
tail_start -= 1
snipped = tail_start - head_end
placeholder = {"role": "user", "content": f"[snipped {snipped} messages from conversation middle]"}
@@ -139,10 +141,12 @@ API がまだ `prompt_too_long`（413）を返すことがある。コンテキ
```python
def reactive_compact(messages):
transcript = write_transcript(messages)
summary = summarize_history(messages)
tail_start = max(0, len(messages) - 5)
if _is_tool_result_message(messages[tail_start]) and _message_has_tool_use(messages[tail_start - 1]):
if (tail_start > 0 and tail_start < len(messages)
and _is_tool_result_message(messages[tail_start])
and _message_has_tool_use(messages[tail_start - 1])):
tail_start -= 1
summary = summarize_history(messages[:tail_start])
return [{"role": "user",
"content": f"[Reactive compact]\n\n{summary}"}, *messages[tail_start:]]
```

12
s08_context_compact/README.md
View File

@@ -46,10 +46,12 @@ def snip_compact(messages, max_messages=50):
if len(messages) <= max_messages:
return messages
head_end, tail_start = 3, len(messages) - (max_messages - 3)
if _message_has_tool_use(messages[head_end - 1]):
if head_end > 0 and _message_has_tool_use(messages[head_end - 1]):
while head_end < len(messages) and _is_tool_result_message(messages[head_end]):
head_end += 1
if _is_tool_result_message(messages[tail_start]) and _message_has_tool_use(messages[tail_start - 1]):
if (tail_start > 0 and tail_start < len(messages)
and _is_tool_result_message(messages[tail_start])
and _message_has_tool_use(messages[tail_start - 1])):
tail_start -= 1
snipped = tail_start - head_end
placeholder = {"role": "user", "content": f"[snipped {snipped} messages from conversation middle]"}
@@ -139,10 +141,12 @@ def compact_history(messages):
```python
def reactive_compact(messages):
transcript = write_transcript(messages)
summary = summarize_history(messages)
tail_start = max(0, len(messages) - 5)
if _is_tool_result_message(messages[tail_start]) and _message_has_tool_use(messages[tail_start - 1]):
if (tail_start > 0 and tail_start < len(messages)
and _is_tool_result_message(messages[tail_start])
and _message_has_tool_use(messages[tail_start - 1])):
tail_start -= 1
summary = summarize_history(messages[:tail_start])
return [{"role": "user",
"content": f"[Reactive compact]\n\n{summary}"}, *messages[tail_start:]]
```

2
s08_context_compact/code.py
View File

@@ -382,12 +382,12 @@ def compact_history(messages):
# Emergency: reactiveCompact — on API error
def reactive_compact(messages):
transcript = write_transcript(messages)
summary = summarize_history(messages)
tail_start = max(0, len(messages) - 5)
if (tail_start > 0 and tail_start < len(messages)
and _is_tool_result_message(messages[tail_start])
and _message_has_tool_use(messages[tail_start - 1])):
tail_start -= 1
summary = summarize_history(messages[:tail_start])
return [{"role": "user", "content": f"[Reactive compact]\n\n{summary}"}, *messages[tail_start:]]