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refactor(memory): remove consolidation ratio (#5575)

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* refactor(memory): remove consolidation ratio

* docs(memory): document fixed consolidation policy

* docs(memory): simplify consolidation overview

* docs(memory): rely on soft wrapping
This commit is contained in:
chengyongru
2026-08-28 13:20:09 +08:00
committed by GitHub
parent 29025f5a8b
commit cace42af14
8 changed files with 71 additions and 315 deletions
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tests/agent/test_consolidator.py
+7 -5
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@@ -232,17 +232,19 @@ class TestConsolidatorSummarize:
class TestConsolidatorPromptContract:
def test_archive_prompt_outputs_attribute_tags_without_missing_context_claims(self):
def test_archive_prompt_preserves_working_state_with_memory_facts(self):
prompt = render_template("agent/consolidator_archive.md", strip=True, archive_count=4)
assert "SNIP" in prompt
assert "final 4 conversation messages" in prompt
for mark in ("[permanent]", "[durable]", "[ephemeral]", "[correction]", "[skip]"):
assert mark in prompt
assert "check context below" not in prompt.lower()
assert "working-state handoff" in prompt
assert "exact identifiers needed to continue without rework" in prompt
assert "Do not output facts already present in the system prompt's Recent History" in prompt
assert "Do not mark something [skip] merely because it might already exist" in prompt
class TestConsolidatorArchiveErrorHandling:
"""archive() must fall back when the LLM does not complete its overview.
@@ -420,7 +422,7 @@ class TestConsolidatorTokenBudget:
consolidator.estimate_session_prompt_tokens = MagicMock(
side_effect=[(1200, "tiktoken"), (400, "tiktoken")]
)
consolidator.pick_consolidation_boundary = MagicMock(return_value=(50, 800))
consolidator.pick_consolidation_boundary = MagicMock(return_value=50)
consolidator.archiver._build_messages = MagicMock(side_effect=_build_test_messages)
mock_provider.estimate_prompt_tokens.return_value = (100, "test-counter")
mock_provider.chat_with_retry.return_value = LLMResponse(
@@ -493,7 +495,7 @@ class TestConsolidatorTokenBudget:
await consolidator.maybe_consolidate_by_tokens(session, runtime=runtime)
# Exactly one fallback per call — not _MAX_CONSOLIDATION_ROUNDS.
# The fixed policy archives at most one prefix per call.
assert consolidator.archive_session.await_count == 1
async def test_boundary_respected_when_no_intermediate_user_turn(
@@ -520,7 +522,7 @@ class TestConsolidatorTokenBudget:
await consolidator.maybe_consolidate_by_tokens(session, runtime=runtime)
consolidator.archive_session.assert_awaited_once()
# pick_consolidation_boundary finds the only boundary at idx=61
# The fixed recent tail expands backward to the user at idx=61.
assert session.last_archived == 61