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fix(gateway): strip orphaned tool_results + let /reset bypass running agent (#2180)

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Two fixes for Telegram/gateway-specific bugs:

1. Anthropic adapter: strip orphaned tool_result blocks (mirror of
   existing tool_use stripping). Context compression or session
   truncation can remove an assistant message containing a tool_use
   while leaving the subsequent tool_result intact. Anthropic rejects
   these with a 400: 'unexpected tool_use_id found in tool_result
   blocks'. The adapter now collects all tool_use IDs and filters out
   any tool_result blocks referencing IDs not in that set.

2. Gateway: /reset and /new now bypass the running-agent guard (like
   /status already does). Previously, sending /reset while an agent
   was running caused the raw text to be queued and later fed back as
   a user message with the same broken history — replaying the
   corrupted session instead of resetting it. Now the running agent is
   interrupted, pending messages are cleared, and the reset command
   dispatches immediately.

Tests updated: existing tests now include proper tool_use→tool_result
pairs; two new tests cover orphaned tool_result stripping.

Co-authored-by: Test <test@test.com>
This commit is contained in:
Teknium 2026-03-20 08:39:49 -07:00 • committed by GitHub
parent 80e578d3e3
commit 2ea4dd30c6
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3 changed files with 122 additions and 6 deletions
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83
tests/test_anthropic_adapter.py
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@ -578,21 +578,39 @@ class TestConvertMessages:
def test_converts_tool_results(self):
messages = [
{
"role": "assistant",
"content": "",
"tool_calls": [
{"id": "tc_1", "function": {"name": "test_tool", "arguments": "{}"}},
],
},
{"role": "tool", "tool_call_id": "tc_1", "content": "result data"},
]
_, result = convert_messages_to_anthropic(messages)
assert result[0]["role"] == "user"
assert result[0]["content"][0]["type"] == "tool_result"
assert result[0]["content"][0]["tool_use_id"] == "tc_1"
# tool result is in the second message (user role)
user_msg = [m for m in result if m["role"] == "user"][0]
assert user_msg["content"][0]["type"] == "tool_result"
assert user_msg["content"][0]["tool_use_id"] == "tc_1"
def test_merges_consecutive_tool_results(self):
messages = [
{
"role": "assistant",
"content": "",
"tool_calls": [
{"id": "tc_1", "function": {"name": "tool_a", "arguments": "{}"}},
{"id": "tc_2", "function": {"name": "tool_b", "arguments": "{}"}},
],
},
{"role": "tool", "tool_call_id": "tc_1", "content": "result 1"},
{"role": "tool", "tool_call_id": "tc_2", "content": "result 2"},
]
_, result = convert_messages_to_anthropic(messages)
assert len(result) == 1
assert len(result[0]["content"]) == 2
# assistant + merged user (with 2 tool_results)
user_msgs = [m for m in result if m["role"] == "user"]
assert len(user_msgs) == 1
assert len(user_msgs[0]["content"]) == 2
def test_strips_orphaned_tool_use(self):
messages = [
@ -610,6 +628,51 @@ class TestConvertMessages:
assistant_blocks = result[0]["content"]
assert all(b.get("type") != "tool_use" for b in assistant_blocks)
def test_strips_orphaned_tool_result(self):
"""tool_result with no matching tool_use should be stripped.
This happens when context compression removes the assistant message
containing the tool_use but leaves the subsequent tool_result intact.
Anthropic rejects orphaned tool_results with a 400.
"""
messages = [
{"role": "user", "content": "Hello"},
{"role": "assistant", "content": "Hi there"},
# The assistant tool_use message was removed by compression,
# but the tool_result survived:
{"role": "tool", "tool_call_id": "tc_gone", "content": "stale result"},
{"role": "user", "content": "Thanks"},
]
_, result = convert_messages_to_anthropic(messages)
# tc_gone has no matching tool_use — its tool_result should be stripped
for m in result:
if m["role"] == "user" and isinstance(m["content"], list):
assert all(
b.get("type") != "tool_result"
for b in m["content"]
), "Orphaned tool_result should have been stripped"
def test_strips_orphaned_tool_result_preserves_valid(self):
"""Orphaned tool_results are stripped while valid ones survive."""
messages = [
{
"role": "assistant",
"content": "",
"tool_calls": [
{"id": "tc_valid", "function": {"name": "search", "arguments": "{}"}},
],
},
{"role": "tool", "tool_call_id": "tc_valid", "content": "good result"},
{"role": "tool", "tool_call_id": "tc_orphan", "content": "stale result"},
]
_, result = convert_messages_to_anthropic(messages)
user_msg = [m for m in result if m["role"] == "user"][0]
tool_results = [
b for b in user_msg["content"] if b.get("type") == "tool_result"
]
assert len(tool_results) == 1
assert tool_results[0]["tool_use_id"] == "tc_valid"
def test_system_with_cache_control(self):
messages = [
{
@ -641,11 +704,19 @@ class TestConvertMessages:
def test_tool_cache_control_is_preserved_on_tool_result_block(self):
messages = apply_anthropic_cache_control([
{"role": "system", "content": "System prompt"},
{
"role": "assistant",
"content": "",
"tool_calls": [
{"id": "tc_1", "function": {"name": "test_tool", "arguments": "{}"}},
],
},
{"role": "tool", "tool_call_id": "tc_1", "content": "result"},
])
_, result = convert_messages_to_anthropic(messages)
tool_block = result[0]["content"][0]
user_msg = [m for m in result if m["role"] == "user"][0]
tool_block = user_msg["content"][0]
assert tool_block["type"] == "tool_result"
assert tool_block["tool_use_id"] == "tc_1"