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refactor(chat): stream agent events via stream_output and remove parity v2 flag

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CREDO23 2026-05-07 19:40:10 +02:00
parent 7e07092f67
commit 78f4747382
17 changed files with 76 additions and 1676 deletions
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1
docker/.env.example
View file

@ -324,7 +324,6 @@ SURFSENSE_ENABLE_ACTION_LOG=true
SURFSENSE_ENABLE_REVERT_ROUTE=true
SURFSENSE_ENABLE_PERMISSION=true
SURFSENSE_ENABLE_DOOM_LOOP=true
SURFSENSE_ENABLE_STREAM_PARITY_V2=true
# Periodic connector sync interval (default: 5m)
# SCHEDULE_CHECKER_INTERVAL=5m

8
surfsense_backend/.env.example
View file

@ -315,14 +315,6 @@ LANGSMITH_PROJECT=surfsense
# SURFSENSE_ENABLE_ACTION_LOG=false
# SURFSENSE_ENABLE_REVERT_ROUTE=false # Backend-only; flip when UI ships
# Streaming parity v2 — opt in to LangChain's structured AIMessageChunk
# content (typed reasoning blocks, tool-input deltas) and propagate the
# real tool_call_id to the SSE layer. When OFF, the stream falls back to
# the str-only text path and synthetic "call_<run_id>" tool-call ids.
# Schema migrations 135/136 ship unconditionally because they are
# forward-compatible.
# SURFSENSE_ENABLE_STREAM_PARITY_V2=false
# Plugins
# SURFSENSE_ENABLE_PLUGIN_LOADER=false
# Comma-separated allowlist of plugin entry-point names

15
surfsense_backend/app/agents/new_chat/feature_flags.py
View file

@ -28,7 +28,6 @@ Defaults:
SURFSENSE_ENABLE_PERMISSION=true
SURFSENSE_ENABLE_DOOM_LOOP=true
SURFSENSE_ENABLE_LLM_TOOL_SELECTOR=false # adds a per-turn LLM call
SURFSENSE_ENABLE_STREAM_PARITY_V2=true
Master kill-switch (overrides everything else):
@ -88,15 +87,6 @@ class AgentFeatureFlags:
enable_action_log: bool = True
enable_revert_route: bool = True
# Streaming parity v2 — opt in to LangChain's structured
# ``AIMessageChunk`` content (typed reasoning blocks, tool-input
# deltas) and propagate the real ``tool_call_id`` to the SSE layer.
# When OFF the ``stream_new_chat`` task falls back to the str-only
# text path and the synthetic ``call_<run_id>`` tool-call id (no
# ``langchainToolCallId`` propagation). Schema migrations 135/136
# ship unconditionally because they're forward-compatible.
enable_stream_parity_v2: bool = True
# Plugins
enable_plugin_loader: bool = False
@ -169,7 +159,6 @@ class AgentFeatureFlags:
enable_kb_planner_runnable=False,
enable_action_log=False,
enable_revert_route=False,
enable_stream_parity_v2=False,
enable_plugin_loader=False,
enable_otel=False,
enable_agent_cache=False,
@ -208,10 +197,6 @@ class AgentFeatureFlags:
# Snapshot / revert
enable_action_log=_env_bool("SURFSENSE_ENABLE_ACTION_LOG", True),
enable_revert_route=_env_bool("SURFSENSE_ENABLE_REVERT_ROUTE", True),
# Streaming parity v2
enable_stream_parity_v2=_env_bool(
"SURFSENSE_ENABLE_STREAM_PARITY_V2", True
),
# Plugins
enable_plugin_loader=_env_bool("SURFSENSE_ENABLE_PLUGIN_LOADER", False),
# Observability

17
surfsense_backend/app/services/new_streaming_service.py
View file

@ -608,15 +608,14 @@ class VercelStreamingService:
Args:
tool_call_id: The unique tool call identifier. May be EITHER the
synthetic ``call_<run_id>`` id derived from LangGraph
``run_id`` (legacy / ``SURFSENSE_ENABLE_STREAM_PARITY_V2``
OFF, or the unmatched-fallback path under parity_v2) OR
the authoritative LangChain ``tool_call.id`` (parity_v2
path: when the provider streams ``tool_call_chunks`` we
register the ``index`` and reuse the lc-id as the card
id so live ``tool-input-delta`` events can be routed
without a downstream join). Either way, the same id is
preserved across ``tool-input-start`` / ``-delta`` /
``-available`` / ``tool-output-available`` for one call.
``run_id`` (unmatched chunk fallback when no ``index`` was
registered) OR the authoritative LangChain ``tool_call.id``
(when the provider streams ``tool_call_chunks`` we register
the ``index`` and reuse the lc-id as the card id so live
``tool-input-delta`` events route without a downstream join).
Either way, the same id is preserved across
``tool-input-start`` / ``-delta`` / ``-available`` /
``tool-output-available`` for one call.
tool_name: The name of the tool being called.
langchain_tool_call_id: Optional authoritative LangChain
``tool_call.id``. When set, surfaces as

8
surfsense_backend/app/tasks/chat/content_builder.py
View file

@ -85,8 +85,8 @@ class AssistantContentBuilder:
self._current_text_idx: int = -1
self._current_reasoning_idx: int = -1
# ``ui_id``-keyed indexes for tool-call parts. ``ui_id`` is the
# synthetic ``call_<run_id>`` (legacy) or the LangChain
# ``tool_call.id`` (parity_v2) — same key the streaming layer
# synthetic ``call_<run_id>`` (chunk fallback) or the LangChain
# ``tool_call.id`` (indexed chunk path) — same key the streaming layer
# threads through every ``tool-input-*`` / ``tool-output-*`` event.
self._tool_call_idx_by_ui_id: dict[str, int] = {}
# Live argsText accumulator (concatenated ``tool-input-delta`` chunks)
@ -181,7 +181,7 @@ class AssistantContentBuilder:
"""Register a tool-call card. Args are filled in by later events."""
if not ui_id:
return
# Skip duplicate registration: parity_v2 may emit
# Skip duplicate registration: the stream may emit
# ``tool-input-start`` from both ``on_chat_model_stream``
# (when tool_call_chunks register a name) and ``on_tool_start``
# (the canonical path). The FE de-dupes via ``toolCallIndices``;
@ -243,7 +243,7 @@ class AssistantContentBuilder:
pretty-printed JSON, sets the full ``args`` dict, and backfills
``langchainToolCallId`` if it wasn't known at ``tool-input-start`` time.
Also creates the card if no prior ``tool-input-start`` registered it
(legacy parity_v2-OFF / late-registration paths).
(late-registration when no prior ``tool-input-start``).
"""
if not ui_id:
return

1524
surfsense_backend/app/tasks/chat/stream_new_chat.py
View file

File diff suppressed because it is too large Load diff

2
surfsense_backend/app/tasks/chat/streaming/graph_stream/event_stream.py
View file

@ -5,7 +5,6 @@ from __future__ import annotations
from collections.abc import AsyncIterator
from typing import Any
from app.agents.new_chat.feature_flags import get_flags
from app.tasks.chat.streaming.graph_stream.result import StreamingResult
from app.tasks.chat.streaming.relay.event_relay import EventRelay
from app.tasks.chat.streaming.relay.state import AgentEventRelayState
@ -30,7 +29,6 @@ async def stream_output(
initial_step_id=initial_step_id,
initial_step_title=initial_step_title,
initial_step_items=initial_step_items,
parity_v2=bool(get_flags().enable_stream_parity_v2),
)
astream_kwargs: dict[str, Any] = {"config": config, "version": "v2"}

4
surfsense_backend/app/tasks/chat/streaming/handlers/chat_model_stream.py
View file

@ -33,7 +33,7 @@ def iter_chat_model_stream_frames(
reasoning_delta = parts["reasoning"]
text_delta = parts["text"]
if state.parity_v2 and reasoning_delta:
if reasoning_delta:
if state.current_text_id is not None:
yield streaming_service.format_text_end(state.current_text_id)
if content_builder is not None:
@ -100,7 +100,7 @@ def iter_chat_model_stream_frames(
if content_builder is not None:
content_builder.on_text_delta(state.current_text_id, text_delta)
if state.parity_v2 and parts["tool_call_chunks"]:
if parts["tool_call_chunks"]:
for tcc in parts["tool_call_chunks"]:
idx = tcc.get("index")

24
surfsense_backend/app/tasks/chat/streaming/handlers/tool_start.py
View file

@ -77,12 +77,11 @@ def iter_tool_start_frames(
yield emit_thinking_step_frame(**frame_kw)
matched_meta: dict[str, str] | None = None
if state.parity_v2:
taken_ui_ids = set(state.ui_tool_call_id_by_run.values())
for meta in state.index_to_meta.values():
if meta["name"] == tool_name and meta["ui_id"] not in taken_ui_ids:
matched_meta = meta
break
taken_ui_ids = set(state.ui_tool_call_id_by_run.values())
for meta in state.index_to_meta.values():
if meta["name"] == tool_name and meta["ui_id"] not in taken_ui_ids:
matched_meta = meta
break
tool_call_id: str
langchain_tool_call_id: str | None = None
@ -97,13 +96,12 @@ def iter_tool_start_frames(
if run_id
else streaming_service.generate_tool_call_id()
)
if state.parity_v2:
langchain_tool_call_id = match_buffered_langchain_tool_call_id(
state.pending_tool_call_chunks,
tool_name,
run_id,
state.lc_tool_call_id_by_run,
)
langchain_tool_call_id = match_buffered_langchain_tool_call_id(
state.pending_tool_call_chunks,
tool_name,
run_id,
state.lc_tool_call_id_by_run,
)
yield streaming_service.format_tool_input_start(
tool_call_id,
tool_name,

3
surfsense_backend/app/tasks/chat/streaming/relay/state.py
View file

@ -22,7 +22,6 @@ class AgentEventRelayState:
active_tool_depth: int = 0
called_update_memory: bool = False
current_reasoning_id: str | None = None
parity_v2: bool = False
pending_tool_call_chunks: list[dict[str, Any]] = field(default_factory=list)
lc_tool_call_id_by_run: dict[str, str] = field(default_factory=dict)
file_path_by_run: dict[str, str] = field(default_factory=dict)
@ -39,7 +38,6 @@ class AgentEventRelayState:
initial_step_id: str | None = None,
initial_step_title: str = "",
initial_step_items: list[str] | None = None,
parity_v2: bool,
) -> AgentEventRelayState:
counter = 1 if initial_step_id else 0
return cls(
@ -47,7 +45,6 @@ class AgentEventRelayState:
last_active_step_id=initial_step_id,
last_active_step_title=initial_step_title,
last_active_step_items=list(initial_step_items or []),
parity_v2=parity_v2,
)
def next_thinking_step_id(self, step_prefix: str) -> str:

3
surfsense_backend/tests/unit/agents/new_chat/test_feature_flags.py
View file

@ -31,7 +31,6 @@ def _clear_all(monkeypatch: pytest.MonkeyPatch) -> None:
"SURFSENSE_ENABLE_KB_PLANNER_RUNNABLE",
"SURFSENSE_ENABLE_ACTION_LOG",
"SURFSENSE_ENABLE_REVERT_ROUTE",
"SURFSENSE_ENABLE_STREAM_PARITY_V2",
"SURFSENSE_ENABLE_PLUGIN_LOADER",
"SURFSENSE_ENABLE_OTEL",
"SURFSENSE_ENABLE_AGENT_CACHE",
@ -61,7 +60,6 @@ def test_defaults_match_shipped_agent_stack(monkeypatch: pytest.MonkeyPatch) ->
assert flags.enable_kb_planner_runnable is True
assert flags.enable_action_log is True
assert flags.enable_revert_route is True
assert flags.enable_stream_parity_v2 is True
assert flags.enable_plugin_loader is False
assert flags.enable_otel is False
# Phase 2: agent cache is now default-on (the prerequisite tool
@ -127,7 +125,6 @@ def test_each_flag_can_be_set_independently(monkeypatch: pytest.MonkeyPatch) ->
"enable_kb_planner_runnable": "SURFSENSE_ENABLE_KB_PLANNER_RUNNABLE",
"enable_action_log": "SURFSENSE_ENABLE_ACTION_LOG",
"enable_revert_route": "SURFSENSE_ENABLE_REVERT_ROUTE",
"enable_stream_parity_v2": "SURFSENSE_ENABLE_STREAM_PARITY_V2",
"enable_plugin_loader": "SURFSENSE_ENABLE_PLUGIN_LOADER",
"enable_otel": "SURFSENSE_ENABLE_OTEL",
}

4
surfsense_backend/tests/unit/tasks/chat/streaming/test_stage_2_parity.py
View file

@ -137,7 +137,7 @@ def test_complete_active_thinking_step_mirrors_closure_semantics() -> None:
def test_agent_event_relay_state_factory_matches_counter_rule() -> None:
s0 = AgentEventRelayState.for_invocation(parity_v2=False)
s0 = AgentEventRelayState.for_invocation()
assert s0.thinking_step_counter == 0
assert s0.last_active_step_id is None
@ -145,11 +145,9 @@ def test_agent_event_relay_state_factory_matches_counter_rule() -> None:
initial_step_id="thinking-resume-1",
initial_step_title="Inherited",
initial_step_items=["Topic: X"],
parity_v2=True,
)
assert s1.thinking_step_counter == 1
assert s1.last_active_step_id == "thinking-resume-1"
assert s1.parity_v2 is True
assert s1.next_thinking_step_id("thinking") == "thinking-2"

4
surfsense_backend/tests/unit/tasks/chat/test_content_builder.py
View file

@ -161,7 +161,7 @@ class TestToolHeavyTurn:
_assert_jsonb_safe(snap)
def test_tool_input_available_without_prior_start_creates_card(self):
# Legacy / parity_v2-OFF path: tool-input-available may be
# Late-registration: tool-input-available may be
# emitted without a prior tool-input-start (no streamed
# tool_call_chunks). The card should still be created.
b = AssistantContentBuilder()
@ -187,7 +187,7 @@ class TestToolHeavyTurn:
assert part["result"] == {"matches": 3}
def test_tool_input_start_idempotent_for_same_ui_id(self):
# parity_v2: tool-input-start can fire from BOTH the chunk
# tool-input-start can fire from BOTH the chunk
# registration path AND the canonical ``on_tool_start`` path.
# The second call must not create a duplicate part.
b = AssistantContentBuilder()

112
surfsense_backend/tests/unit/tasks/chat/test_tool_input_streaming.py
View file

@ -1,16 +1,13 @@
"""Unit tests for live tool-call argument streaming.
Pins the wire format that ``_stream_agent_events`` emits when
``SURFSENSE_ENABLE_STREAM_PARITY_V2=true``: ``tool-input-start`` →
``tool-input-delta``... → ``tool-input-available`` → ``tool-output-available``
all keyed by the same LangChain ``tool_call.id``.
Pins the wire format that ``_stream_agent_events`` emits:
``tool-input-start`` → ``tool-input-delta``... → ``tool-input-available`` →
``tool-output-available``, keyed consistently with LangChain ``tool_call.id``
when the model streams indexed chunks.
Identity is tracked in ``index_to_meta`` (per-chunk ``index``) and
``ui_tool_call_id_by_run`` (LangGraph ``run_id``); both are private to
``_stream_agent_events`` so we exercise them via the public wire output.
These tests also lock in the legacy / parity_v2-OFF behaviour so the
synthetic ``call_<run_id>`` shape stays stable for older clients.
``ui_tool_call_id_by_run`` (LangGraph ``run_id``); both are internal to the
streaming layer so we assert on the public SSE payloads.
"""
from __future__ import annotations
@ -22,8 +19,6 @@ from typing import Any
import pytest
import app.tasks.chat.stream_new_chat as stream_module
from app.agents.new_chat.feature_flags import AgentFeatureFlags
from app.services.new_streaming_service import VercelStreamingService
from app.tasks.chat.stream_new_chat import (
StreamResult,
@ -164,24 +159,6 @@ def _tool_end(
}
@pytest.fixture
def parity_v2_on(monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setattr(
stream_module,
"get_flags",
lambda: AgentFeatureFlags(enable_stream_parity_v2=True),
)
@pytest.fixture
def parity_v2_off(monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setattr(
stream_module,
"get_flags",
lambda: AgentFeatureFlags(enable_stream_parity_v2=False),
)
async def _drain(
events: list[dict[str, Any]], state: _FakeAgentState | None = None
) -> list[dict[str, Any]]:
@ -253,12 +230,12 @@ class TestLegacyMatch:
# ---------------------------------------------------------------------------
# parity_v2 wire format tests.
# Tool input streaming wire format
# ---------------------------------------------------------------------------
@pytest.mark.asyncio
async def test_idless_chunk_merging_by_index(parity_v2_on: None) -> None:
async def test_idless_chunk_merging_by_index() -> None:
"""First chunk carries id+name; later idless chunks at the same
``index`` merge into the SAME ``tool-input-start`` ui id and emit
one ``tool-input-delta`` per chunk."""
@ -302,9 +279,7 @@ async def test_idless_chunk_merging_by_index(parity_v2_on: None) -> None:
@pytest.mark.asyncio
async def test_two_interleaved_tool_calls_route_by_index(
parity_v2_on: None,
) -> None:
async def test_two_interleaved_tool_calls_route_by_index() -> None:
"""Two same-name calls with distinct indices keep their deltas
routed to the right card."""
events = [
@ -344,7 +319,7 @@ async def test_two_interleaved_tool_calls_route_by_index(
@pytest.mark.asyncio
async def test_identity_stable_across_lifecycle(parity_v2_on: None) -> None:
async def test_identity_stable_across_lifecycle() -> None:
"""Whatever id ``tool-input-start`` chose must be the SAME id used
on ``tool-input-available`` AND ``tool-output-available``."""
events = [
@ -367,7 +342,7 @@ async def test_identity_stable_across_lifecycle(parity_v2_on: None) -> None:
@pytest.mark.asyncio
async def test_no_duplicate_tool_input_start(parity_v2_on: None) -> None:
async def test_no_duplicate_tool_input_start() -> None:
"""When the chunk-emission loop already fired ``tool-input-start``
for this run, ``on_tool_start`` MUST NOT emit a second one."""
events = [
@ -386,9 +361,7 @@ async def test_no_duplicate_tool_input_start(parity_v2_on: None) -> None:
@pytest.mark.asyncio
async def test_active_text_closes_before_early_tool_input_start(
parity_v2_on: None,
) -> None:
async def test_active_text_closes_before_early_tool_input_start() -> None:
"""Streaming a text-delta then a tool-call chunk in subsequent
chunks: the wire MUST contain ``text-end`` before the FIRST
``tool-input-start`` (clean part boundary on the frontend)."""
@ -409,9 +382,7 @@ async def test_active_text_closes_before_early_tool_input_start(
@pytest.mark.asyncio
async def test_mixed_text_and_tool_chunk_preserve_order(
parity_v2_on: None,
) -> None:
async def test_mixed_text_and_tool_chunk_preserve_order() -> None:
"""One AIMessageChunk that carries BOTH ``text`` content AND
``tool_call_chunks`` should emit the text delta FIRST, then close
text, then ``tool-input-start``+``tool-input-delta``."""
@ -441,45 +412,7 @@ async def test_mixed_text_and_tool_chunk_preserve_order(
@pytest.mark.asyncio
async def test_parity_v2_off_preserves_legacy_shape(
parity_v2_off: None,
) -> None:
"""When the flag is OFF, no deltas are emitted and the ``toolCallId``
is ``call_<run_id>`` (NOT the lc id)."""
events = [
_model_stream(
tool_call_chunks=[
{"id": "lc-1", "name": "ls", "args": '{"path":"/"}', "index": 0}
]
),
_tool_start(name="ls", run_id="run-A", input_payload={"path": "/"}),
_tool_end(name="ls", run_id="run-A", tool_call_id="lc-1"),
]
payloads = await _drain(events)
assert _of_type(payloads, "tool-input-delta") == []
starts = _of_type(payloads, "tool-input-start")
assert len(starts) == 1
assert starts[0]["toolCallId"].startswith("call_run-A")
# No ``langchainToolCallId`` propagation on ``tool-input-start`` in
# legacy mode (the start event fires before the ToolMessage is
# available, so we can't extract the authoritative LangChain id yet).
assert "langchainToolCallId" not in starts[0]
output = _of_type(payloads, "tool-output-available")
assert output[0]["toolCallId"].startswith("call_run-A")
# ``tool-output-available`` MUST carry ``langchainToolCallId`` even
# in legacy mode: the chat tool card uses it to backfill the
# LangChain id and join against the ``data-action-log`` SSE event
# (keyed by ``lc_tool_call_id``) so the inline Revert button can
# light up. Sourced from the returned ``ToolMessage.tool_call_id``,
# which is populated regardless of feature-flag state.
assert output[0]["langchainToolCallId"] == "lc-1"
@pytest.mark.asyncio
async def test_skip_append_prevents_stale_id_reuse(
parity_v2_on: None,
) -> None:
async def test_skip_append_prevents_stale_id_reuse() -> None:
"""Two same-name tools: the SECOND tool's ``langchainToolCallId``
must NOT come from the first tool's chunk (``pending_tool_call_chunks``
must stay empty for indexed-registered chunks)."""
@ -506,9 +439,7 @@ async def test_skip_append_prevents_stale_id_reuse(
@pytest.mark.asyncio
async def test_registration_waits_for_both_id_and_name(
parity_v2_on: None,
) -> None:
async def test_registration_waits_for_both_id_and_name() -> None:
"""An id-only chunk (no name yet) must NOT emit ``tool-input-start``."""
events = [
_model_stream(
@ -520,12 +451,9 @@ async def test_registration_waits_for_both_id_and_name(
@pytest.mark.asyncio
async def test_unmatched_fallback_still_attaches_lc_id(
parity_v2_on: None,
) -> None:
"""parity_v2 ON, but the provider didn't include an ``index``: the
legacy fallback path must still emit ``tool-input-start`` with the
matching ``langchainToolCallId``."""
async def test_unmatched_fallback_still_attaches_lc_id() -> None:
"""When the provider omits chunk ``index``, buffered chunks still get a
``tool-input-start`` with the matching ``langchainToolCallId``."""
events = [
# No index on the chunk → not registered into index_to_meta;
# falls through to ``pending_tool_call_chunks`` so the legacy
@ -542,9 +470,7 @@ async def test_unmatched_fallback_still_attaches_lc_id(
@pytest.mark.asyncio
async def test_interrupt_request_uses_task_that_contains_interrupt(
parity_v2_on: None,
) -> None:
async def test_interrupt_request_uses_task_that_contains_interrupt() -> None:
interrupt_payload = {
"type": "calendar_event_create",
"action": {

4
surfsense_web/components/assistant-ui/reasoning-message-part.tsx
View file

@ -7,8 +7,8 @@ import { TextShimmerLoader } from "@/components/prompt-kit/loader";
import { cn } from "@/lib/utils";
/**
* Renders the structured `reasoning` part emitted by the backend's
* stream-parity v2 path (A1).
* Renders the structured `reasoning` part emitted by the backend stream
* (typed reasoning deltas from the chat model).
*
* Behaviour mirrors the existing `ThinkingStepsDisplay`:
* - collapsed by default;

14
surfsense_web/components/assistant-ui/tool-fallback.tsx
View file

@ -48,13 +48,11 @@ import { cn } from "@/lib/utils";
* stream, post-stream reversibility flip, and explicit revert clicks.
*
* Match key (in priority order):
* 1. ``a.tool_call_id === toolCallId`` — direct hit in parity_v2 when
* the model streamed ``tool_call_chunks`` so the card's synthetic
* id IS the LangChain id.
* 2. ``a.tool_call_id === langchainToolCallId`` — legacy mode (or
* parity_v2 with provider-side chunk emission) where the card's
* synthetic id is ``call_<run_id>`` and the LangChain id is
* backfilled onto the part by ``tool-output-available``.
* 1. ``a.tool_call_id === toolCallId`` — direct hit when the model
* streamed ``tool_call_chunks`` so the card id matches the LangChain id.
* 2. ``a.tool_call_id === langchainToolCallId`` — synthetic card id is
* ``call_<run_id>`` and the LangChain id is backfilled by
* ``tool-output-available``.
* 3. ``(chat_turn_id, tool_name, position-within-turn)`` — fallback
* for cards whose synthetic id is ``call_<run_id>`` AND whose
* ``langchainToolCallId`` never got backfilled (provider emitted
@ -116,7 +114,7 @@ function ToolCardRevertButton({
const action = useMemo(() => {
// Tier 1 + 2: O(1) Map-backed direct id match. Covers
// ~all parity_v2 streams and any legacy stream that backfilled
// Indexed chunk streams and any stream that backfilled
// ``langchainToolCallId`` via ``tool-output-available``.
const direct = findByToolCallId(toolCallId) ?? findByToolCallId(langchainToolCallId);
if (direct) return direct;

5
surfsense_web/lib/chat/streaming-state.ts
View file

@ -421,9 +421,8 @@ export type SSEEvent =
/**
* Live tool-call argument delta. Concatenated into
* ``argsText`` on the matching ``tool-call`` content part
* by ``appendToolInputDelta``. parity_v2 only — the legacy
* code path emits ``tool-input-available`` without prior
* deltas.
* by ``appendToolInputDelta``. Some providers emit
* ``tool-input-available`` without prior deltas.
*/
type: "tool-input-delta";
toolCallId: string;