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AariGitHubWillem Jiang
 5b65d543b1 fix(channels): key inbound dedupe on chat-scoped workspaces (#4287) 
* fix(channels): key inbound dedupe on chat-scoped workspaces

* fix(channels): release the inbound dedupe key on swallowed transient failures

_release_inbound_dedupe_key runs from _handle_message's generic exception
handler, but three sites handle their error in place and never re-raise, so
the key recorded on receipt survives the full dedupe TTL and the provider's
redelivery -- the retry that would have recovered the failure -- is dropped:

- _handle_streaming_chat swallows every stream error into its finally block
- the fire-and-forget runs.create busy branch
- the non-streaming runs.wait busy branch

Keying chat-scoped workspaces gives telegram/feishu/wechat/dingtalk a dedupe
key for the first time, which newly exposes them to this. The mechanism is
pre-existing, not introduced here: WeCom already had a key (streaming plus
aibotid) and shows the same black hole on main.

Also parametrize the dispatch dedupe test over all three chat-scoped
providers so the streaming path is covered end-to-end, and restate the
workspace-fallback comment in terms of what the chain actually guarantees --
both fallbacks are appended last and gated on every earlier source being
absent, so they can only turn "no key" into a key, never change one.

* fix(channels): publish final reply before dedupe release

---------

Co-authored-by: Willem Jiang <willem.jiang@gmail.com>
2026-07-19 20:01:52 +08:00

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# Changelog
All notable changes to DeerFlow are documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/)
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [Unreleased]
This section accumulates work toward the **2.1.0** milestone
([milestone 2](https://github.com/bytedance/deer-flow/milestone/2)).
### ⚠ Breaking changes
- **skills:** A directory containing `SKILL.md` is now a runtime package
boundary. Nested `SKILL.md` files inside that package are supporting data and
are no longer registered as independent skills; unusual custom layouts must
move independently loadable skills under a namespace directory without its
own `SKILL.md`. ([#4098])
- **memory:** The memory system is now pluggable (`memory.manager_class` selects
a backend; default `deermem` is self-contained). DeerMem-private settings moved
from the top level of `memory:` into `memory.backend_config`, and the
`/memory/config` response (and `client.get_memory_config()`) changed shape.
([#4122])
- **memory:** `/memory/config` and `client.get_memory_config()` no longer return
flat DeerMem fields (`storage_path`, `max_facts`, `debounce_seconds`,
`token_counting`, `guaranteed_*`, `staleness_*`, ...). They return
`{enabled, mode, injection_enabled, manager_class, backend_config}` where
`backend_config` is an opaque dict the active backend self-interprets. Memory
*data* responses (`/memory`, `/memory/status` data) are unchanged. External
API/SDK clients reading the old flat fields must read `backend_config` instead.
([#4122])
- **memory:** Custom `memory.storage_class` moved: the old default path
`deerflow.agents.memory.storage.FileMemoryStorage` no longer exists (now
`deerflow.agents.memory.backends.deermem.deermem.core.storage.FileMemoryStorage`).
Custom `MemoryStorage` subclasses must accept `config` in `__init__` (was
no-arg). A broken/old `storage_class` logs an error and falls back to
`FileMemoryStorage` (won't crash) -- update the path + signature to restore it.
([#4122])
- **memory:** `storage_path` semantics changed from a FILE path to a root
DIRECTORY. Pre-abstraction, an absolute `storage_path` was the shared memory
file (opting out of per-user isolation) and a relative value was the global
file under the data base_dir. Now `storage_path` (absolute or relative) is the
root directory; per-user memory lives at `{storage_path}/users/{uid}/memory.json`.
An upgrade keeping the old default `storage_path: memory.json` (a relative file
name) would orphan per-user memory or hit `NotADirectoryError` on save, so the
legacy migration **drops file-style `storage_path` values (ending in `.json`)
with a warning** and the factory **raises** if `storage_path` resolves to an
existing file. Set `memory.backend_config.storage_path` to a directory for a
custom root. ([#4122])
### Added
#### Agents & runtime
- **middleware:** New `TokenBudgetMiddleware` enforces a per-run token budget,
shared additively across the lead agent and subagents. ([#3412])
- **middleware:** Structured tool-result metadata and a tool-progress state
machine give the runtime first-class visibility into multi-step tool flows.
([#3601])
- **context:** Record the effective memory identity per run and persist durable
context (system messages, memory, and tool state) across summarization,
emitting it as structured runtime metadata so compaction no longer drops it.
([#3556], [#3887], [#3906])
- **runtime:** Goal continuations let a run resume toward a goal across multiple
agent turns, with `continuation_count` tracked and capped. ([#3858])
- **subagents:** A system-maintained delegation ledger prevents redundant
re-delegation of an in-flight task, and a total delegation cap bounds fan-out
per run. ([#3877], [#4115])
- **subagents:** Persist and display subagent step history in the thread.
([#3845])
- **tools:** Structured synopses replace raw oversized tool output in previews.
([#3377])
- **files:** Deterministic read-before-write version gate for file tools
prevents clobbering concurrent edits. ([#3912])
- **gateway:** Cache-aware cost accounting attributes token costs to cached vs.
uncached paths; a Redis stream bridge enables distributed event streaming; and
manual context compaction is exposed to the user. ([#3920], [#3191], [#3969])
#### Memory
- **memory:** Memory consolidation synthesizes fragmented facts, and a staleness
review prunes silently-outdated facts using LLM-assigned per-fact
`expected_valid_days` / `staleFactsToExtend`. ([#3996], [#3860], [#4143])
- **memory:** Guaranteed injection of correction facts (with graceful fallback)
so user corrections always reach the model. ([#3592])
#### Skills
- **skills:** Native SkillScan (phase 1) statically analyzes skill packages at
load, and `describe_skill` enables deferred discovery so the model fetches a
skill's schema on demand instead of loading all skills up front. ([#3033],
[#3775])
- **skills:** Per-user custom skill isolation with sandbox mounting. ([#3889])
#### Models & integrations
- **community:** New web search/fetch engines - GroundRoute, Crawl4AI
(`web_fetch`), and a fastCRW provider - plus a Browserless `web_capture`
screenshot tool and Brave `image_search`. ([#3675], [#3821], [#3585], [#3881],
[#3866])
- **mcp:** Per-server `tool_call_timeout` for MCP tool calls, and routing hints
that guide the model to the right server. ([#3843], [#4004])
#### Channels
- **channels:** Expose the IM `channel_user_id` to sandbox commands as
`DEERFLOW_CHANNEL_USER_ID`. ([#3926])
- **channels:** Queue rapid same-thread messages and preserve topic-card
previews across batches. ([#3988])
#### Auth & guardrails
- **auth:** Generic OIDC/SSO authentication with Keycloak support. ([#3506])
- **guardrails:** Authenticated runtime context is exposed in `GuardrailRequest`,
and security interventions are persisted as run events. ([#3665], [#3837])
#### Sandbox & provisioner
- **sandbox:** New E2B and BoxLite (micro-VM) sandbox providers; BoxLite ships
with a warm pool. ([#3883], [#3940], [#3951])
- **provisioner:** ClusterIP Services and scoped per-skill PVC mounts, plus a
configurable sandbox container port. ([#4016], [#3928])
#### Frontend
- **frontend:** Branching support for assistant turns and side conversations for
quoted follow-ups. ([#3950], [#3934])
- **frontend:** Regenerate the latest answer. ([#3637])
- **frontend:** Citation-sources evidence panel, workspace change review for
agent runs, and a visualized `ask_clarification` card. ([#3907], [#3945],
[#3956])
- **frontend:** Voice dictation, prompt-history recall with arrow keys, composer
input polishing, and a "(thought for N seconds)" thinking-duration chip.
([#4036], [#3718], [#3986], [#3627])
- **frontend:** Feature-gate the agents UI behind the `agents_api` flag, and
persist AI turn duration in backend and UI. ([#3769], [#3663])
#### Observability & tooling
- **observability:** Trace-id correlation with enhanced logging and agent
observability via Monocle. ([#3902], [#4024])
- **tooling:** A Hermes-like terminal workbench (`deerflow` CLI) backed by
`DeerFlowClient`, plus a redacted community support-bundle generator. ([#3760],
[#3886])
- **setup:** The setup wizard now asks whether OpenAI-compatible gateway models
support thinking, and a Volcengine Coding Plan quick-setup path was added.
([#3428], [#4141])
### Changed
- **sandbox:** The Helm chart now defaults per-sandbox Services to `ClusterIP`
instead of `NodePort`, so the code-execution sandbox is reachable only inside
the cluster via Service DNS (`http://sandbox-<id>-svc.<ns>.svc.cluster.local`)
and is no longer bound on every node's interfaces - including the
externally-reachable ones on GKE/EKS/AKS. Existing chart installs flip
NodePort -> ClusterIP on upgrade. To preserve the old reachability (an
external probe hitting the 30xxx port, or the Docker-Compose/hybrid path
where the gateway is not in K8s), set `provisioner.sandboxServiceType: NodePort`
(with `provisioner.nodeHost` if needed). The provisioner itself is unchanged
(mode-aware since #4016). ([#4190])
- **skills:** An active restrictive skill must explicitly list `task` in
`allowed-tools` to delegate to a subagent. Read-only discovery infrastructure
(`tool_search` and `describe_skill`) remains available, but cannot grant schema
visibility or execution for a denied business tool. ([#4098])
- **memory:** Pre-abstraction top-level `memory.*` DeerMem fields
(`storage_path`, `max_facts`, `debounce_seconds`, `model_name`,
`token_counting`, `staleness_*`, `consolidation_*`, ...) are **auto-migrated
into `backend_config`** on load with a warning, so an upgrade does NOT silently
revert customized settings to defaults (`model_name` ->
`backend_config.model.model`). Move them under `memory.backend_config` in
`config.yaml` to silence the warning. ([#4122])
- **memory:** Added `memory.mode` (`middleware` | `tool`); `tool` mode registers
memory tools (`memory_search`/`add`/`update`/`delete`) the model calls directly
instead of passive per-turn summarization. `manager_class` resolution is now
fail-fast (raises `ValueError` on an unknown backend instead of silently
falling back). ([#4023])
- **middleware:** Declarative layered middleware builder; `ThreadData` now runs
before `Uploads`. ([#3809])
- **sandbox:** The host->virtual output-masking regex now has a single owner,
eliminating duplicated pattern compilation. ([#4108])
- **docs:** `AGENTS.md` is now the source of truth for agent guidance, imported
by `CLAUDE.md` via `@AGENTS.md`; module guides refreshed. ([#3770])
### Fixed
- **skills:** Apply `allowed-tools` only to slash-activated or actually loaded
lead-agent skills, preventing passive enabled skills and evaluation fixtures
from removing MCP, web, file, and delegation tools from every run. ([#4095],
[#4098], [#4192])
- **models:** Honor `api_base` on every `BaseChatOpenAI` subclass (`VllmChatModel`,
`MindIEChatModel`, `PatchedChatMiMo`, `PatchedChatStepFun`, `PatchedChatMiniMax`),
not just `ChatOpenAI` / `PatchedChatOpenAI`. Those five previously dropped the
configured endpoint silently and then failed every request with an opaque
`unexpected keyword argument 'api_base'`; the unknown-config-key warning was
disabled for them as well. Both now gate on `issubclass(BaseChatOpenAI)`.
([#4146])
- **agents:** Coalesce `SystemMessage`s before the LLM request; ensure a visible
response after tool runs; avoid a default LLM title call before stream end;
reserve ellipsis room so the local title respects `max_chars`; and snap the
tool-output tail forward so fallback truncation respects `max_chars`. ([#3711],
[#4033], [#3885], [#4052], [#4017])
- **agents:** Skip dateless reminders in the dynamic-context date scan; load
`SOUL.md` from agent dirs without `config.yaml`; require `config.yaml` in
`update_agent`'s legacy-agent guard; and refuse empty `SOUL.md` updates.
([#3685], [#4136], [#4166], [#4219])
- **middleware:** Window the loop-detection tool-frequency counter so long runs
no longer false-trip; prevent the title middleware from streaming tokens;
fix positional fallback consuming an unrelated todo when the same-content list
is exhausted; acquire the token-budget lock across `_apply`, `before_agent`,
`_clear_run_state`, and `_drain_pending_warnings`; drop orphan `ToolMessage`s
so strict providers don't 400; sanitize invalid tool-call arguments; and
recover from empty tool-call names and malformed tool-call ids in dangling
repair. ([#4072], [#3566], [#3709], [#3714], [#4080], [#4193], [#4008],
[#4246])
- **subagents:** Inherit `LoopDetectionMiddleware` and summarization middleware
so tool loops break and steps are captured; surface the turn-budget cap as
`MAX_TURNS_REACHED` with a partial result; unify guardrail caps on the additive
`stop_reason` + `token_budget`; inject durable context before compaction;
preserve the parent checkpoint namespace; prohibit the `task` tool in the
general-purpose system prompt; re-buffer subagent events on flush failure to
avoid losing steps; and fix the lost `loop_capped` stop reason when a
subagent's `run_id` is `None`. ([#3931], [#4009], [#3949], [#3980], [#4040],
[#4215], [#4161], [#4082], [#4059])
- **memory:** Harden against null/empty edge cases - skip whitespace-only facts;
coerce null `confidence` / `source.confidence` in updates, searches, and the
three remaining raw reads; treat explicit `null` `backend_config` values as
omitted; fix `KeyError` / `UnboundLocalError` when a fact has no id or the
facts list is empty; stop the busy-spin in the debounced update queue; and
flush the memory queue on graceful shutdown to prevent loss. ([#3719], [#4074],
[#4076], [#4034], [#4217], [#3993], [#3992], [#4073], [#4181])
- **runs:** Close multi-worker ownership gaps in run atomicity; degrade cancel
to lease takeover for multi-worker; keep `create_thread` idempotent when the
insert loses a race; read `stop_reason` from runtime context; and persist run
duration in checkpoints for history reads. ([#4003], [#4064], [#3800], [#4188],
[#4118])
- **runtime:** Serialize SQLite event-store writes to prevent per-thread
sequence collisions; skip hidden human messages in the journal; and drop the
silent delta-discard in `_merge_stream_text`. ([#4077], [#3698], [#4085])
- **gateway:** Attach thread-message feedback by real `event_type`; offload
blocking filesystem IO in artifact serving, gateway uploads, and the Discord
channel; limit the uploaded-file context manifest; and live-tail malformed
Redis reconnect ids. ([#3651], [#3551], [#3935], [#3927], [#3917], [#4012])
- **uploads:** Claim the converted-Markdown companion filename before writing
it, so two convertible uploads sharing a stem (or a convertible plus a
same-stem `.md` upload) no longer silently clobber each other within one
request. When `uploads.auto_convert_documents` is on, the companion `.md` now
gets a unique name (e.g. `a_1.md`); `POST /threads/{id}/uploads` and
`DeerFlowClient.upload_files` both report the actual name in `markdown_file`.
([#4288])
- **config:** Coerce null object config sections to their defaults; honor the
unified database configuration in the store and sync checkpointer; and have
legacy DB backfill create missing `Index` objects on existing tables. ([#3573],
[#3904], [#3994], [#4090])
- **models:** Apply the `stream_chunk_timeout` default to all `BaseChatOpenAI`
subclasses; and normalize `api_base` -> `base_url` for `ChatOpenAI` with a
warning on unknown config keys. ([#4102], [#3790])
- **mcp:** Isolate tool-discovery failures per server; synchronize the
session-pool singleton lifecycle; invalidate the tools cache on config content
+ path (not just newer mtime); validate MCP tool names at load so deferred
prompts stay inert; and route tools by source server, not name prefix. ([#3772],
[#3797], [#4124], [#4154], [#3812])
- **skills:** Activate a slash skill once per run, not per model call; close the
skill-install security-scan coverage gap; recognize fully deleted skill
packages in review CI and remaining `requests` / `httpx` methods as network
sinks in SkillScan; reuse the resolved app config in the no-arg skills prompt
section; and reload mounted skills without restarting the Gateway. ([#4103],
[#3924], [#4169], [#4130], [#4160], [#4264])
- **sandbox:** Guard the reverse path-translation and output-masking regexes
with segment boundaries; handle one-sided line ranges and empty files in
`read_file` / `str_replace`; align the AIO bash working directory; use
`os.sep` in the reverse-resolve containment check on Windows; normalize
Windows backslash paths in bash commands; stop `glob` / `grep` / `ls` from
surfacing disabled skills' files; and allow valid heredoc commands in the
sandbox audit. ([#4035], [#4053], [#4078], [#4079], [#4051], [#4058], [#3869],
[#4096], [#3786])
- **sandbox:** Synchronize the sandbox provider singleton lifecycle (with
concurrency regression tests) and keep k8s calls off the event loop in the
provisioner. ([#3730], [#3941])
- **sandbox:** Align sandbox artifact mounts with the channel user; fix
local-dev (`make dev`) on non-root / NFS hosts; reap macOS nginx processes on
stop; and fix production Postgres UV-extras detection in Docker. ([#3729],
[#3590], [#3828], [#3897])
- **channels:** Validate the channel provider before resolving its config;
dedupe GitHub webhook redeliveries and drop redundant GitHub review-comment
webhook fan-out; scope the slash-skill whitelist check to the run's owner;
batch Feishu file messages into one thread and dispatch Feishu group commands
prefixed with a bot @mention; accept leading @mentions before `/connect` bind
codes and don't treat a bare "connect" as a bind command; stop Feishu from
creating thread topics and throttle card updates; let the UI runtime channel
config win over `config.yaml`; fix `require_mention` gating on
whitespace-only `bot_login` / `mention_login`; guard null quote fields in
WeCom; and key inbound dedupe on chat-scoped workspaces so Telegram, Feishu,
WeChat and DingTalk redeliveries stop re-running the agent on a default
(unbound) configuration, releasing the dedupe key on transient failures so a
redelivery can still recover. ([#4100], [#4104], [#4131], [#4129], [#3753],
[#4229], [#4222], [#4251], [#3810], [#3674], [#4055], [#4069], [#4287])
- **frontend:** Preserve messages and durable context across summarization;
preserve artifacts and stabilize artifact paths during streaming; resolve
relative artifact image paths; retain presented artifacts in the header
dropdown; keep orphan tool messages visible; show assistant text during tool
steps; reset new chat on client-side navigation; prevent stream cancellation
on concurrent submit; fix stale-run reconnect and cancel handling; fix chat
math rendering, single-tilde markdown, double reasoning rendering, UTF-16
markdown binary classification, and `<memory>` tags in Streamdown; make
recent-chat rows fully clickable; validate attachment limits before upload and
fix uploaded-file metadata in message copy; fix mobile workspace and
accessibility blockers, the card tool-message bug, and side-chat toolbar /
panel-button behavior; block unresolved suggestion-template placeholders;
refresh notification permissions; show the branch action only for completed
turns; enable regenerate in custom agent chats; and generate a fallback title
for interrupted first-turn runs. ([#3826], [#3791], [#4094], [#4038], [#3854],
[#3880], [#4114], [#3673], [#3878], [#3908], [#3557], [#4245], [#3870], [#3966],
[#4209], [#3733], [#3900], [#3944], [#3740], [#3976], [#3959], [#3961], [#3764],
[#3768], [#4147], [#3967], [#3874], [#3644])
- **tui:** Interrupt an active run before `/quit` exits. ([#4235])
- **harness:** Don't flag the outline as truncated at exactly `MAX_OUTLINE_ENTRIES`
headings. ([#3856])
- **tracing:** Attach Langfuse trace metadata to the goal evaluator. ([#4202])
- **context:** Resolve the context-compress bug. ([#4065])
- **threaddata:** Fix `AttributeError` when `runtime.context` is `None`. ([#3989])
- **goal:** Stop `continuation_count` double-bump during stand-down. ([#4199])
- **circuit-breaker:** Stop wedging after a non-retriable half-open probe. ([#3991])
- **github:** Match `allow_authors` logins case-insensitively. ([#4218])
- **community:** `image_search` now returns the full-resolution image URL. ([#3990])
### Performance
- **runtime:** Index `MemoryRunStore` by `thread_id` and `MemoryRunEventStore`
events by `run_id` to avoid O(n) scans. ([#3562], [#3686])
- **subagents:** Deduplicate streamed AI messages via a seen-id set (O(n²) ->
O(n)). ([#3687])
- **sandbox:** Cache `LocalSandbox` path-rewrite regexes and local-path masking
patterns per instance instead of recompiling per search match. ([#3648],
[#3713])
### Security
- **prompt-injection:** New input-sanitization middleware defends against
prompt-injection, forged framework tags in the input guardrail are blocked,
and system context is injected as a `SystemMessage` for role isolation. ([#3662],
[#4155], [#3661])
- **prompt-injection:** HTML-escape untrusted content rendered into model prompts
- memory facts and summaries, `SOUL.md`, subagent descriptions, and the
conversation block in the memory-update prompt - and neutralize
prompt-injection tags in `web_capture` tool results. ([#4028], [#4119], [#4137],
[#4157], [#4162], [#4099], [#4060])
- **secrets:** Scrub inherited secret environment variables (`MYSQL_PWD`,
`REDISCLI_AUTH`, abbreviated `*_PASS`, and Postgres `PGPASSFILE`) from the
skill environment; request-scoped secrets are bound for both slash-activated
and autonomously-invoked skills. ([#4018], [#4026], [#3871], [#3938])
- **web_fetch:** SSRF guard for self-hosted providers. ([#3942])
- **guardrails:** An empty allowlist now denies all tools instead of failing
open. ([#4067])
- **authz:** Global skills-management endpoints now require admin; the legacy
skills mount is gated by user visibility; artifacts honor a trusted
`owner-user-id` header; and the trusted authorization principal is propagated
through the runtime. ([#3855], [#3985], [#3982], [#4203])
- **auth:** Persist the `csrf_token` cookie for the access-token lifetime.
([#3872])
- **storage:** Stop persisting base64 image data in checkpoint state. ([#4140])
## [2.0.0] — 2026-06-15
DeerFlow 2.0 is a ground-up rewrite around a "super agent" harness with
sub-agents, persistent memory, sandbox execution, and an extensible
skills/tools system. It shares no code with the 1.x line, which now lives on
the [`main-1.x` branch](https://github.com/bytedance/deer-flow/tree/main-1.x).
This release closes [milestone 2.0.0](https://github.com/bytedance/deer-flow/milestone/1)
with **180 merged pull requests** since the first 2.0 milestone tag.
### ⚠ Breaking changes
- **harness:** Hydrate runs from `RunStore` and persist interrupted status. Run
cancellation/multitask semantics now require a working RunStore on the
worker that owns the run; cross-worker cancels return 409 instead of
silently appearing successful. ([#2932])
### Added
#### Agents & runtime
- **agent:** Custom-agent self-updates with user isolation — agents can persist
edits to their own `SOUL.md` / `config.yaml` from inside a normal chat.
([#2713])
- **loop-detection:** Make loop detection configurable with per-tool frequency
overrides; keep configurable on/off switch. ([#2586], [#2711])
- **loop-detection:** Defer warning injection so detector pairs cleanly with
tool-call lifecycle. ([#2752])
- **run:** Propagate `model_name` from the gateway request through the runtime
and persistence stack into the SQLite-backed store. ([#2775])
- **subagents:** Stream subagent token usage to the header via terminal task
events. ([#2882])
- **memory:** Add `memory.token_counting` config to opt out of tiktoken for
network-restricted deployments. ([#3465])
- **suggest:** Make AI follow-up question suggestions optional. ([#3591])
#### Models & integrations
- **models:** Add StepFun reasoning model adapter. ([#3461])
- **community:** Add Brave Search web search tool. ([#3528])
- **channels:** Enhance Discord with mention-only mode, thread routing, and
typing indicators. ([#2842])
- **im:** Add user-owned IM channel connections — users can bind their own
Slack/Telegram/Discord/Feishu/DingTalk/WeChat/WeCom accounts on top of the
operator-configured bots. ([#3487])
- **models:** Add patched MiMo reasoning content support. ([#3298])
- **models:** Add MiniMax provider for image/video/podcast skills plus a new
music-generation skill. ([#3437])
- **community:** Add SearXNG and Browserless web search/fetch tools. ([#3451])
- **community:** Add Serper Google Images provider for `image_search`. ([#3575])
- **channels:** Stream Telegram agent replies by editing the placeholder
message in place. ([#3534])
#### Observability
- **trace:** Set the LangGraph trace name to `lead_agent` (or the custom
agent's `agent_name`) for cleaner Langfuse/LangSmith traces. ([#3101])
- **frontend:** Refine token usage display modes. ([#2329])
- **defaults:** Enable token usage tracking by default. ([#2841])
- **defaults:** Raise default summarization trigger threshold. ([#3174])
- **trace:** Attribute subagent spans to the parent thread's Langfuse trace.
([#3611])
#### Skills
- **skill:** Add `blocking-io-guard` skill for blocking-IO triage and runtime
anchors. ([#3503])
- **skill:** Add maintainer issue and PR workflow skill. ([#3554])
- **skill:** Strengthen the maintainer orchestrator review workflow. ([#3606])
### Performance
- **harness:** Push thread metadata filters into SQL instead of post-filtering
in Python. ([#2865])
- **runtime:** Index runs by `thread_id` to avoid O(n) scans in `RunManager`.
([#3499])
- **runtime:** Index messages in `MemoryRunEventStore` to avoid O(n) scans.
([#3531])
- **persistence:** Cache `Base.to_dict` column reflection per class. ([#3654])
- **sandbox:** Speed up `should_ignore_name` in glob/grep walks. ([#3657])
### Security
- **upload:** Reject symlinked upload destinations. ([#2623])
- **uploads:** Add Windows support for safe symlink-protected uploads.
([#2794])
- **mcp:** Mask sensitive values in MCP config API responses. ([#2667])
- **mcp:** Harden the MCP config endpoint against malformed input. ([#3425])
- **auth:** Reject cross-site auth POSTs. ([#2740])
- **gateway:** Cap skill artifact preview decompression to prevent
zip-bomb-style abuse. ([#2963])
- **sandbox:** Mount the host Docker socket only in aio (DooD) sandbox mode.
([#3517])
- **sandbox:** Do not bind-mount host CLI auth dirs by default. ([#3521])
### Fixed
#### Runtime, gateway & persistence
- **runtime:** Rollback restore checkpoint now supersedes newer checkpoints.
([#2582])
- **runtime:** Persist run message summaries. ([#2850])
- **runtime:** Bound `write_file` execution-failure observations to keep
failure traces from blowing out the context. ([#3133])
- **runtime:** Protect the sync singleton's init and reset paths. ([#3413])
- **runtime:** Avoid PostgreSQL aggregate `FOR UPDATE` on run events.
([#2962])
- **runs:** Restore historical runs from persistent store after a gateway
restart. ([#2989])
- **gateway:** Return ISO 8601 timestamps from threads endpoints. ([#2599])
- **gateway:** Make cancel idempotent for already-interrupted runs. ([#3058])
- **gateway:** Split `stream_existing_run` into per-method routes for unique
OpenAPI `operationId`s. ([#3228])
- **events:** Serialize structured DB event content. ([#2762])
- **persistence:** Emit timezone-aware timestamps from SQLite-backed stores.
([#3130])
- **persistence:** Reuse token usage model grouping expression. ([#2910])
- **runs:** Ignore stale run reconnect conflicts. ([#3284])
- **nginx:** Defer CORS to the gateway allowlist instead of double-applying it.
([#2861])
- **persistence:** Fix runtime journal run lifecycle events. ([#3470])
- **gateway:** Enforce thread ownership on stateless run endpoints. ([#3473])
- **runtime:** Propagate interrupt through SSE values events for the LangGraph
SDK. ([#3605])
- **serialization:** Strip base64 image data from streamed values events.
([#3631])
- **history:** Strip base64 image data from REST endpoint responses. ([#3535])
- **gateway:** Attribute token usage to the actual models. ([#3658])
#### Agents, subagents & middleware
- **subagents:** Make subagent timeout terminal state atomic. ([#2583])
- **subagents:** Use model override for tools and middleware. ([#2641])
- **subagents:** Consolidate `system_prompt` and skills into a single
`SystemMessage`. ([#2701])
- **subagent:** Isolate subagents from the parent run's checkpointer.
([#3559])
- **agents:** Make `update_agent` honor `runtime.context` `user_id` like
`setup_agent` does. ([#2867])
- **agents:** Resolve duplicate `todos` channel type conflict in
`TodoMiddleware`. ([#3200])
- **agents:** Offload blocking filesystem IO in the custom-agent router off
the event loop. ([#3457])
- **agents:** Keep new agent bootstrap in user scope. ([#2784])
- **loop-detection:** Keep tool-call pairing on warn injection. ([#2725])
- **middleware:** Sync raw tool-call metadata. ([#2757])
- **middleware:** Handle invalid tool calls in dangling pairing middleware.
([#2891])
- **middleware:** Prevent todo completion reminder IM-message leak. ([#2907])
- **middleware:** Normalize tool result adjacency before model calls.
([#2939])
- **agents:** Require `config.yaml` in `resolve_agent_dir` to skip memory-only
directories. ([#3481])
- **agents:** Sync `agent_name` across context/configurable and reject empty
soul. ([#3553])
- **middleware:** Offload the uploads scan in `UploadsMiddleware` off the event
loop. ([#3311])
- **middleware:** Offload memory injection off the event loop to prevent
tiktoken blocking. ([#3411])
- **middleware:** Externalize oversized tool output into the sandbox for
non-mounted sandboxes. ([#3417])
- **middleware:** Preserve the sandbox reducer in middleware state. ([#3629])
- **subagents:** Raise general-purpose `max_turns` to 150 and default timeout to
30 min. ([#3610])
#### Memory & tracing
- **memory:** Replace short-lived `asyncio.run()` with a persistent event
loop. ([#2627])
- **memory:** Isolate queued memory updates by agent. ([#2941])
- **memory:** Parse wrapped memory-update JSON responses. ([#3252])
- **tracing:** Propagate `session_id` and `user_id` into Langfuse traces.
([#2944])
- **trace:** Decode unicode escape sequences in non-ASCII memory trace info.
([#3104])
#### Tools, sandbox & MCP
- **mcp:** Fix env resolution in MCP config lists. ([#2556])
- **models:** Record Codex token usage in `usage_metadata`. ([#2585])
- **sandbox:** Supplement `list_running` in `RemoteSandboxBackend`. ([#2716])
- **sandbox:** Disable MSYS path conversion for Git Bash on Windows.
([#2766])
- **sandbox:** Avoid blocking sandbox readiness polling. ([#2822])
- **sandbox:** Uphold the `/mnt/user-data` contract at the `Sandbox` API
boundary. ([#2881])
- **sandbox:** Scope provisioner PVC data by user. ([#2973])
- **sandbox:** Merge idempotent sandbox state updates. ([#3518])
- **tools:** Introduce `Runtime` type alias to eliminate Pydantic serialization
warnings. ([#2774])
- **tools:** Preserve `tool_search` promotions across re-entrant
`get_available_tools`. ([#2885])
- **harness:** Wrap async-only config tools for sync client execution.
([#2878])
- **harness:** Wrap all async-only tools for sync clients. ([#2935])
- **tool-search:** Reliably hide deferred MCP schemas by removing the
ContextVar. ([#3342])
- **search:** Fix DDGS Wikipedia region handling. ([#3423])
- **web_fetch:** Support a proxy for the Jina reader in restricted networks.
([#3430])
- **sandbox:** Persist lazily-acquired sandbox state via `Command`. ([#3464])
- **sandbox:** Fix stale AIO sandbox cache reuse. ([#3494])
- **sandbox:** Create a shell session before retrying on a fresh id. ([#3577])
- **sandbox:** Stop flagging string-literal path fragments as unsafe absolute
paths. ([#3623])
- **sandbox:** Return an actionable hint when `read_file` hits a binary file.
([#3624])
- **mcp:** Make stdio MCP-produced files resolvable via virtual sandbox paths.
([#3600])
- **mcp:** Surface admin-required state on the settings tools page. ([#3533])
- **mcp:** Add a tools cache reset endpoint. ([#3602])
- **uploads:** Fix the upload file size contract. ([#3408])
#### Skills & channels
- **skills:** Enforce `allowed-tools` metadata. ([#2626])
- **skills:** Harden slash skill activation across chat channels. ([#3466])
- **skills:** Fix custom skill install permissions. ([#3241])
- **channels:** Authenticate gateway command requests. ([#2742])
- **skills:** Surface the offending line and a quoting hint on SKILL.md YAML
errors. ([#3335])
- **skills:** Keep skill archive installation off the event loop. ([#3505])
- **channels:** Ignore hidden control messages when extracting replies.
([#3270])
- **channels:** Reload config on channel restart. ([#3514])
- **channels:** Surface WeCom WebSocket connection failures. ([#3526])
- **channels:** Close the Discord file handle after upload. ([#3561])
- **channels:** Require a bound identity for user-owned IM messages. ([#3578])
- **channels:** Scope IM files and helper commands to the owner. ([#3579])
- **channels:** Make runtime provider state authoritative. ([#3580])
- **channels:** Harden runtime credential management APIs. ([#3581])
- **channels:** Make the channel connect flow deterministic. ([#3582])
- **channels:** Centralize shared channel retry helpers. ([#3583])
- **channels:** Add operational guardrails. ([#3584])
- **channels:** Unsubscribe channel listeners by equality. ([#3608])
#### Auth
- **auth:** Replace setup-status 429 rate limit with a cached response.
([#2915])
- **auth:** Persist auto-generated JWT secret so it survives restarts.
([#2933])
- **auth:** Align auth-disabled mode with mock history loading. ([#3471])
#### Frontend
- **frontend:** Restore `localhost` fallback for `getGatewayConfig` in prod
mode. ([#2718])
- **chat:** Prevent the first user message from being swallowed in new
conversations. ([#2731])
- **frontend:** Use backend thread token usage for the header total. ([#2800])
- **frontend:** Wait for async chat submit before clearing the input.
([#2940])
- **frontend:** Resolve login page flickering and the resize-observer loop.
([#2954])
- **frontend:** Deduplicate restored thread messages. ([#2958])
- **frontend:** Avoid duplicate optimistic user message. ([#3002])
- **frontend:** Hide the copy button for streaming assistant messages.
([#3176])
- **frontend:** Show a new thread in the sidebar immediately on creation.
([#3283])
- **frontend:** Isolate new chat thread messages. ([#3508])
- **frontend:** Cap deeply nested list indentation to prevent render crashes.
([#3393], [#3570])
- **token-usage:** Dedupe token usage aggregation by message id. ([#2770])
- **frontend:** Fall back to Streamdown clipboard copy. ([#3397])
- **frontend:** Remove the Backspace shortcut for deleting prompt attachments.
([#3410])
- **frontend:** Restructure the Memory settings toolbar into two rows. ([#3433])
- **suggestions:** Strip inline `<think>` reasoning before parsing follow-up
questions. ([#3435])
- **frontend:** Stop fetching follow-up suggestions when they are disabled.
([#3599])
- **frontend:** Paginate the workspace chat list beyond 50 threads. ([#3485])
- **frontend:** Prevent user message bubble overflow with long unbreakable
strings. ([#3488])
- **frontend:** Keep the workspace interactive when the SSR auth probe cannot
reach the gateway. ([#3495])
- **frontend:** Render user messages as plain text and cap blockquote nesting.
([#3502])
- **frontend:** Reset the active chat after deletion. ([#3519])
- **frontend:** Improve the mobile workspace layout. ([#3646])
- **frontend:** Render full content for multi-part AI messages. ([#3649])
#### Build, deploy, scripts & config
- **packaging:** Add `postgres` extra for store/checkpointer support; clarify
install guidance. ([#2584])
- **harness:** Resolve runtime paths from the project root. ([#2642])
- **docker:** Force nginx to resolve upstream names at request time.
([#2717])
- **docker:** Default Gateway to a single worker to prevent multi-worker
breakage. ([#3475])
- **scripts:** Preserve `uv` extras across `make dev` restarts. ([#2767],
[#2754])
- **scripts:** Clean up local nginx on stop. ([#3005])
- **deploy:** Fall back to `python` / `openssl` when `python3` is absent for
secret generation. ([#3074])
- **config:** Make the reload boundary discoverable from code. ([#3144],
[#3153])
- **replay-e2e:** Key replay fixtures by caller and conversation. ([#3453])
- **setup:** Refresh LLM provider wizard defaults. ([#3421])
- **config:** Coerce null `config.yaml` list sections to an empty list. ([#3434])
- **scripts:** Exclude runtime state from gateway reload. ([#3426])
- **scripts:** Create the backend/sandbox dir before the uvicorn reload-exclude.
([#3460])
- **scripts:** Stop next-server correctly after `make start-daemon`. ([#3498])
- **makefile:** Fix per-commit hooks installation. ([#3569])
- **replay-e2e:** Match replay by conversation, not the living system prompt.
([#3436])
### Changed
- **provider (refactor):** Share assistant payload replay matching across
providers. ([#3307])
- **lead-agent (refactor):** Make `build_middlewares` public to drop the last
cross-module private import. ([#3458])
- **todo (refactor):** Remove the unused completion reminder counter. ([#3530])
### Documentation
- Document blocking-IO detection usage and maintenance. ([#3233])
- Clean standalone LangGraph server remnants from docs. ([#3301])
- Add AI assistance disclosure to the PR template and CONTRIBUTING. ([#3398])
- Document custom AIO sandbox images. ([#3548])
### Internal
- **dev:** Add async/thread boundary detector. ([#2936])
- **runtime:** Add lifecycle end-to-end coverage. ([#2946])
- **windows:** Add `PYTHONIOENCODING` and `PYTHONUTF8` to backend Makefile
targets. ([#3069])
- **blocking-io:** Fail-loud repo-root resolution and shared detector CLI
shim. ([#3512])
- **runtime:** Add a Blockbuster runtime anchor for `JsonlRunEventStore` async
IO. ([#3313])
- **ci:** Consolidate PR/issue labeling and fix the reviewing-job crash and
label thrash. ([#3455])
[2.0.0]: https://github.com/bytedance/deer-flow/releases/tag/v2.0.0
[#2329]: https://github.com/bytedance/deer-flow/pull/2329
[#2556]: https://github.com/bytedance/deer-flow/pull/2556
[#2582]: https://github.com/bytedance/deer-flow/pull/2582
[#2583]: https://github.com/bytedance/deer-flow/pull/2583
[#2584]: https://github.com/bytedance/deer-flow/pull/2584
[#2585]: https://github.com/bytedance/deer-flow/pull/2585
[#2586]: https://github.com/bytedance/deer-flow/pull/2586
[#2599]: https://github.com/bytedance/deer-flow/pull/2599
[#2623]: https://github.com/bytedance/deer-flow/pull/2623
[#2626]: https://github.com/bytedance/deer-flow/pull/2626
[#2627]: https://github.com/bytedance/deer-flow/pull/2627
[#2641]: https://github.com/bytedance/deer-flow/pull/2641
[#2642]: https://github.com/bytedance/deer-flow/pull/2642
[#2667]: https://github.com/bytedance/deer-flow/pull/2667
[#2701]: https://github.com/bytedance/deer-flow/pull/2701
[#2711]: https://github.com/bytedance/deer-flow/pull/2711
[#2713]: https://github.com/bytedance/deer-flow/pull/2713
[#2716]: https://github.com/bytedance/deer-flow/pull/2716
[#2717]: https://github.com/bytedance/deer-flow/pull/2717
[#2718]: https://github.com/bytedance/deer-flow/pull/2718
[#2725]: https://github.com/bytedance/deer-flow/pull/2725
[#2731]: https://github.com/bytedance/deer-flow/pull/2731
[#2740]: https://github.com/bytedance/deer-flow/pull/2740
[#2742]: https://github.com/bytedance/deer-flow/pull/2742
[#2752]: https://github.com/bytedance/deer-flow/pull/2752
[#2754]: https://github.com/bytedance/deer-flow/pull/2754
[#2757]: https://github.com/bytedance/deer-flow/pull/2757
[#2762]: https://github.com/bytedance/deer-flow/pull/2762
[#2766]: https://github.com/bytedance/deer-flow/pull/2766
[#2767]: https://github.com/bytedance/deer-flow/pull/2767
[#2770]: https://github.com/bytedance/deer-flow/pull/2770
[#2774]: https://github.com/bytedance/deer-flow/pull/2774
[#2775]: https://github.com/bytedance/deer-flow/pull/2775
[#2784]: https://github.com/bytedance/deer-flow/pull/2784
[#2794]: https://github.com/bytedance/deer-flow/pull/2794
[#2800]: https://github.com/bytedance/deer-flow/pull/2800
[#2822]: https://github.com/bytedance/deer-flow/pull/2822
[#2841]: https://github.com/bytedance/deer-flow/pull/2841
[#2842]: https://github.com/bytedance/deer-flow/pull/2842
[#2850]: https://github.com/bytedance/deer-flow/pull/2850
[#2861]: https://github.com/bytedance/deer-flow/pull/2861
[#2865]: https://github.com/bytedance/deer-flow/pull/2865
[#2867]: https://github.com/bytedance/deer-flow/pull/2867
[#2878]: https://github.com/bytedance/deer-flow/pull/2878
[#2881]: https://github.com/bytedance/deer-flow/pull/2881
[#2882]: https://github.com/bytedance/deer-flow/pull/2882
[#2885]: https://github.com/bytedance/deer-flow/pull/2885
[#2891]: https://github.com/bytedance/deer-flow/pull/2891
[#2907]: https://github.com/bytedance/deer-flow/pull/2907
[#2910]: https://github.com/bytedance/deer-flow/pull/2910
[#2915]: https://github.com/bytedance/deer-flow/pull/2915
[#2932]: https://github.com/bytedance/deer-flow/pull/2932
[#2933]: https://github.com/bytedance/deer-flow/pull/2933
[#2935]: https://github.com/bytedance/deer-flow/pull/2935
[#2936]: https://github.com/bytedance/deer-flow/pull/2936
[#2939]: https://github.com/bytedance/deer-flow/pull/2939
[#2940]: https://github.com/bytedance/deer-flow/pull/2940
[#2941]: https://github.com/bytedance/deer-flow/pull/2941
[#2944]: https://github.com/bytedance/deer-flow/pull/2944
[#2946]: https://github.com/bytedance/deer-flow/pull/2946
[#2954]: https://github.com/bytedance/deer-flow/pull/2954
[#2958]: https://github.com/bytedance/deer-flow/pull/2958
[#2962]: https://github.com/bytedance/deer-flow/pull/2962
[#2963]: https://github.com/bytedance/deer-flow/pull/2963
[#2973]: https://github.com/bytedance/deer-flow/pull/2973
[#2989]: https://github.com/bytedance/deer-flow/pull/2989
[#3002]: https://github.com/bytedance/deer-flow/pull/3002
[#3005]: https://github.com/bytedance/deer-flow/pull/3005
[#3033]: https://github.com/bytedance/deer-flow/pull/3033
[#3058]: https://github.com/bytedance/deer-flow/pull/3058
[#3069]: https://github.com/bytedance/deer-flow/pull/3069
[#3074]: https://github.com/bytedance/deer-flow/pull/3074
[#3101]: https://github.com/bytedance/deer-flow/pull/3101
[#3104]: https://github.com/bytedance/deer-flow/pull/3104
[#3130]: https://github.com/bytedance/deer-flow/pull/3130
[#3133]: https://github.com/bytedance/deer-flow/pull/3133
[#3144]: https://github.com/bytedance/deer-flow/pull/3144
[#3153]: https://github.com/bytedance/deer-flow/pull/3153
[#3174]: https://github.com/bytedance/deer-flow/pull/3174
[#3176]: https://github.com/bytedance/deer-flow/pull/3176
[#3191]: https://github.com/bytedance/deer-flow/pull/3191
[#3200]: https://github.com/bytedance/deer-flow/pull/3200
[#3228]: https://github.com/bytedance/deer-flow/pull/3228
[#3233]: https://github.com/bytedance/deer-flow/pull/3233
[#3241]: https://github.com/bytedance/deer-flow/pull/3241
[#3252]: https://github.com/bytedance/deer-flow/pull/3252
[#3270]: https://github.com/bytedance/deer-flow/pull/3270
[#3283]: https://github.com/bytedance/deer-flow/pull/3283
[#3284]: https://github.com/bytedance/deer-flow/pull/3284
[#3298]: https://github.com/bytedance/deer-flow/pull/3298
[#3301]: https://github.com/bytedance/deer-flow/pull/3301
[#3307]: https://github.com/bytedance/deer-flow/pull/3307
[#3311]: https://github.com/bytedance/deer-flow/pull/3311
[#3313]: https://github.com/bytedance/deer-flow/pull/3313
[#3335]: https://github.com/bytedance/deer-flow/pull/3335
[#3342]: https://github.com/bytedance/deer-flow/pull/3342
[#3377]: https://github.com/bytedance/deer-flow/pull/3377
[#3393]: https://github.com/bytedance/deer-flow/pull/3393
[#3397]: https://github.com/bytedance/deer-flow/pull/3397
[#3398]: https://github.com/bytedance/deer-flow/pull/3398
[#3408]: https://github.com/bytedance/deer-flow/pull/3408
[#3410]: https://github.com/bytedance/deer-flow/pull/3410
[#3411]: https://github.com/bytedance/deer-flow/pull/3411
[#3412]: https://github.com/bytedance/deer-flow/pull/3412
[#3413]: https://github.com/bytedance/deer-flow/pull/3413
[#3417]: https://github.com/bytedance/deer-flow/pull/3417
[#3421]: https://github.com/bytedance/deer-flow/pull/3421
[#3423]: https://github.com/bytedance/deer-flow/pull/3423
[#3425]: https://github.com/bytedance/deer-flow/pull/3425
[#3426]: https://github.com/bytedance/deer-flow/pull/3426
[#3428]: https://github.com/bytedance/deer-flow/pull/3428
[#3430]: https://github.com/bytedance/deer-flow/pull/3430
[#3433]: https://github.com/bytedance/deer-flow/pull/3433
[#3434]: https://github.com/bytedance/deer-flow/pull/3434
[#3435]: https://github.com/bytedance/deer-flow/pull/3435
[#3436]: https://github.com/bytedance/deer-flow/pull/3436
[#3437]: https://github.com/bytedance/deer-flow/pull/3437
[#3451]: https://github.com/bytedance/deer-flow/pull/3451
[#3453]: https://github.com/bytedance/deer-flow/pull/3453
[#3455]: https://github.com/bytedance/deer-flow/pull/3455
[#3457]: https://github.com/bytedance/deer-flow/pull/3457
[#3458]: https://github.com/bytedance/deer-flow/pull/3458
[#3460]: https://github.com/bytedance/deer-flow/pull/3460
[#3461]: https://github.com/bytedance/deer-flow/pull/3461
[#3464]: https://github.com/bytedance/deer-flow/pull/3464
[#3465]: https://github.com/bytedance/deer-flow/pull/3465
[#3466]: https://github.com/bytedance/deer-flow/pull/3466
[#3470]: https://github.com/bytedance/deer-flow/pull/3470
[#3471]: https://github.com/bytedance/deer-flow/pull/3471
[#3473]: https://github.com/bytedance/deer-flow/pull/3473
[#3475]: https://github.com/bytedance/deer-flow/pull/3475
[#3481]: https://github.com/bytedance/deer-flow/pull/3481
[#3485]: https://github.com/bytedance/deer-flow/pull/3485
[#3487]: https://github.com/bytedance/deer-flow/pull/3487
[#3488]: https://github.com/bytedance/deer-flow/pull/3488
[#3494]: https://github.com/bytedance/deer-flow/pull/3494
[#3495]: https://github.com/bytedance/deer-flow/pull/3495
[#3498]: https://github.com/bytedance/deer-flow/pull/3498
[#3499]: https://github.com/bytedance/deer-flow/pull/3499
[#3502]: https://github.com/bytedance/deer-flow/pull/3502
[#3503]: https://github.com/bytedance/deer-flow/pull/3503
[#3505]: https://github.com/bytedance/deer-flow/pull/3505
[#3506]: https://github.com/bytedance/deer-flow/pull/3506
[#3508]: https://github.com/bytedance/deer-flow/pull/3508
[#3512]: https://github.com/bytedance/deer-flow/pull/3512
[#3514]: https://github.com/bytedance/deer-flow/pull/3514
[#3517]: https://github.com/bytedance/deer-flow/pull/3517
[#3518]: https://github.com/bytedance/deer-flow/pull/3518
[#3519]: https://github.com/bytedance/deer-flow/pull/3519
[#3521]: https://github.com/bytedance/deer-flow/pull/3521
[#3526]: https://github.com/bytedance/deer-flow/pull/3526
[#3528]: https://github.com/bytedance/deer-flow/pull/3528
[#3530]: https://github.com/bytedance/deer-flow/pull/3530
[#3531]: https://github.com/bytedance/deer-flow/pull/3531
[#3533]: https://github.com/bytedance/deer-flow/pull/3533
[#3534]: https://github.com/bytedance/deer-flow/pull/3534
[#3535]: https://github.com/bytedance/deer-flow/pull/3535
[#3548]: https://github.com/bytedance/deer-flow/pull/3548
[#3551]: https://github.com/bytedance/deer-flow/pull/3551
[#3553]: https://github.com/bytedance/deer-flow/pull/3553
[#3554]: https://github.com/bytedance/deer-flow/pull/3554
[#3556]: https://github.com/bytedance/deer-flow/pull/3556
[#3557]: https://github.com/bytedance/deer-flow/pull/3557
[#3559]: https://github.com/bytedance/deer-flow/pull/3559
[#3561]: https://github.com/bytedance/deer-flow/pull/3561
[#3562]: https://github.com/bytedance/deer-flow/pull/3562
[#3566]: https://github.com/bytedance/deer-flow/pull/3566
[#3569]: https://github.com/bytedance/deer-flow/pull/3569
[#3570]: https://github.com/bytedance/deer-flow/pull/3570
[#3573]: https://github.com/bytedance/deer-flow/pull/3573
[#3575]: https://github.com/bytedance/deer-flow/pull/3575
[#3577]: https://github.com/bytedance/deer-flow/pull/3577
[#3578]: https://github.com/bytedance/deer-flow/pull/3578
[#3579]: https://github.com/bytedance/deer-flow/pull/3579
[#3580]: https://github.com/bytedance/deer-flow/pull/3580
[#3581]: https://github.com/bytedance/deer-flow/pull/3581
[#3582]: https://github.com/bytedance/deer-flow/pull/3582
[#3583]: https://github.com/bytedance/deer-flow/pull/3583
[#3584]: https://github.com/bytedance/deer-flow/pull/3584
[#3585]: https://github.com/bytedance/deer-flow/pull/3585
[#3590]: https://github.com/bytedance/deer-flow/pull/3590
[#3591]: https://github.com/bytedance/deer-flow/pull/3591
[#3592]: https://github.com/bytedance/deer-flow/pull/3592
[#3599]: https://github.com/bytedance/deer-flow/pull/3599
[#3600]: https://github.com/bytedance/deer-flow/pull/3600
[#3601]: https://github.com/bytedance/deer-flow/pull/3601
[#3602]: https://github.com/bytedance/deer-flow/pull/3602
[#3605]: https://github.com/bytedance/deer-flow/pull/3605
[#3606]: https://github.com/bytedance/deer-flow/pull/3606
[#3608]: https://github.com/bytedance/deer-flow/pull/3608
[#3610]: https://github.com/bytedance/deer-flow/pull/3610
[#3611]: https://github.com/bytedance/deer-flow/pull/3611
[#3623]: https://github.com/bytedance/deer-flow/pull/3623
[#3624]: https://github.com/bytedance/deer-flow/pull/3624
[#3627]: https://github.com/bytedance/deer-flow/pull/3627
[#3629]: https://github.com/bytedance/deer-flow/pull/3629
[#3631]: https://github.com/bytedance/deer-flow/pull/3631
[#3637]: https://github.com/bytedance/deer-flow/pull/3637
[#3644]: https://github.com/bytedance/deer-flow/pull/3644
[#3646]: https://github.com/bytedance/deer-flow/pull/3646
[#3648]: https://github.com/bytedance/deer-flow/pull/3648
[#3649]: https://github.com/bytedance/deer-flow/pull/3649
[#3651]: https://github.com/bytedance/deer-flow/pull/3651
[#3654]: https://github.com/bytedance/deer-flow/pull/3654
[#3657]: https://github.com/bytedance/deer-flow/pull/3657
[#3658]: https://github.com/bytedance/deer-flow/pull/3658
[#3661]: https://github.com/bytedance/deer-flow/pull/3661
[#3662]: https://github.com/bytedance/deer-flow/pull/3662
[#3663]: https://github.com/bytedance/deer-flow/pull/3663
[#3665]: https://github.com/bytedance/deer-flow/pull/3665
[#3673]: https://github.com/bytedance/deer-flow/pull/3673
[#3674]: https://github.com/bytedance/deer-flow/pull/3674
[#3675]: https://github.com/bytedance/deer-flow/pull/3675
[#3685]: https://github.com/bytedance/deer-flow/pull/3685
[#3686]: https://github.com/bytedance/deer-flow/pull/3686
[#3687]: https://github.com/bytedance/deer-flow/pull/3687
[#3698]: https://github.com/bytedance/deer-flow/pull/3698
[#3709]: https://github.com/bytedance/deer-flow/pull/3709
[#3711]: https://github.com/bytedance/deer-flow/pull/3711
[#3713]: https://github.com/bytedance/deer-flow/pull/3713
[#3714]: https://github.com/bytedance/deer-flow/pull/3714
[#3718]: https://github.com/bytedance/deer-flow/pull/3718
[#3719]: https://github.com/bytedance/deer-flow/pull/3719
[#3729]: https://github.com/bytedance/deer-flow/pull/3729
[#3730]: https://github.com/bytedance/deer-flow/pull/3730
[#3733]: https://github.com/bytedance/deer-flow/pull/3733
[#3740]: https://github.com/bytedance/deer-flow/pull/3740
[#3753]: https://github.com/bytedance/deer-flow/pull/3753
[#3760]: https://github.com/bytedance/deer-flow/pull/3760
[#3764]: https://github.com/bytedance/deer-flow/pull/3764
[#3768]: https://github.com/bytedance/deer-flow/pull/3768
[#3769]: https://github.com/bytedance/deer-flow/pull/3769
[#3770]: https://github.com/bytedance/deer-flow/pull/3770
[#3772]: https://github.com/bytedance/deer-flow/pull/3772
[#3775]: https://github.com/bytedance/deer-flow/pull/3775
[#3786]: https://github.com/bytedance/deer-flow/pull/3786
[#3790]: https://github.com/bytedance/deer-flow/pull/3790
[#3791]: https://github.com/bytedance/deer-flow/pull/3791
[#3797]: https://github.com/bytedance/deer-flow/pull/3797
[#3800]: https://github.com/bytedance/deer-flow/pull/3800
[#3809]: https://github.com/bytedance/deer-flow/pull/3809
[#3810]: https://github.com/bytedance/deer-flow/pull/3810
[#3812]: https://github.com/bytedance/deer-flow/pull/3812
[#3821]: https://github.com/bytedance/deer-flow/pull/3821
[#3826]: https://github.com/bytedance/deer-flow/pull/3826
[#3828]: https://github.com/bytedance/deer-flow/pull/3828
[#3837]: https://github.com/bytedance/deer-flow/pull/3837
[#3843]: https://github.com/bytedance/deer-flow/pull/3843
[#3845]: https://github.com/bytedance/deer-flow/pull/3845
[#3854]: https://github.com/bytedance/deer-flow/pull/3854
[#3855]: https://github.com/bytedance/deer-flow/pull/3855
[#3856]: https://github.com/bytedance/deer-flow/pull/3856
[#3858]: https://github.com/bytedance/deer-flow/pull/3858
[#3860]: https://github.com/bytedance/deer-flow/pull/3860
[#3866]: https://github.com/bytedance/deer-flow/pull/3866
[#3869]: https://github.com/bytedance/deer-flow/pull/3869
[#3870]: https://github.com/bytedance/deer-flow/pull/3870
[#3871]: https://github.com/bytedance/deer-flow/pull/3871
[#3872]: https://github.com/bytedance/deer-flow/pull/3872
[#3874]: https://github.com/bytedance/deer-flow/pull/3874
[#3877]: https://github.com/bytedance/deer-flow/pull/3877
[#3878]: https://github.com/bytedance/deer-flow/pull/3878
[#3880]: https://github.com/bytedance/deer-flow/pull/3880
[#3881]: https://github.com/bytedance/deer-flow/pull/3881
[#3883]: https://github.com/bytedance/deer-flow/pull/3883
[#3885]: https://github.com/bytedance/deer-flow/pull/3885
[#3886]: https://github.com/bytedance/deer-flow/pull/3886
[#3887]: https://github.com/bytedance/deer-flow/pull/3887
[#3889]: https://github.com/bytedance/deer-flow/pull/3889
[#3897]: https://github.com/bytedance/deer-flow/pull/3897
[#3900]: https://github.com/bytedance/deer-flow/pull/3900
[#3902]: https://github.com/bytedance/deer-flow/pull/3902
[#3904]: https://github.com/bytedance/deer-flow/pull/3904
[#3906]: https://github.com/bytedance/deer-flow/pull/3906
[#3907]: https://github.com/bytedance/deer-flow/pull/3907
[#3908]: https://github.com/bytedance/deer-flow/pull/3908
[#3912]: https://github.com/bytedance/deer-flow/pull/3912
[#3917]: https://github.com/bytedance/deer-flow/pull/3917
[#3920]: https://github.com/bytedance/deer-flow/pull/3920
[#3924]: https://github.com/bytedance/deer-flow/pull/3924
[#3926]: https://github.com/bytedance/deer-flow/pull/3926
[#3927]: https://github.com/bytedance/deer-flow/pull/3927
[#3928]: https://github.com/bytedance/deer-flow/pull/3928
[#3931]: https://github.com/bytedance/deer-flow/pull/3931
[#3934]: https://github.com/bytedance/deer-flow/pull/3934
[#3935]: https://github.com/bytedance/deer-flow/pull/3935
[#3938]: https://github.com/bytedance/deer-flow/pull/3938
[#3940]: https://github.com/bytedance/deer-flow/pull/3940
[#3941]: https://github.com/bytedance/deer-flow/pull/3941
[#3942]: https://github.com/bytedance/deer-flow/pull/3942
[#3944]: https://github.com/bytedance/deer-flow/pull/3944
[#3945]: https://github.com/bytedance/deer-flow/pull/3945
[#3949]: https://github.com/bytedance/deer-flow/pull/3949
[#3950]: https://github.com/bytedance/deer-flow/pull/3950
[#3951]: https://github.com/bytedance/deer-flow/pull/3951
[#3956]: https://github.com/bytedance/deer-flow/pull/3956
[#3959]: https://github.com/bytedance/deer-flow/pull/3959
[#3961]: https://github.com/bytedance/deer-flow/pull/3961
[#3966]: https://github.com/bytedance/deer-flow/pull/3966
[#3967]: https://github.com/bytedance/deer-flow/pull/3967
[#3969]: https://github.com/bytedance/deer-flow/pull/3969
[#3976]: https://github.com/bytedance/deer-flow/pull/3976
[#3980]: https://github.com/bytedance/deer-flow/pull/3980
[#3982]: https://github.com/bytedance/deer-flow/pull/3982
[#3985]: https://github.com/bytedance/deer-flow/pull/3985
[#3986]: https://github.com/bytedance/deer-flow/pull/3986
[#3988]: https://github.com/bytedance/deer-flow/pull/3988
[#3989]: https://github.com/bytedance/deer-flow/pull/3989
[#3990]: https://github.com/bytedance/deer-flow/pull/3990
[#3991]: https://github.com/bytedance/deer-flow/pull/3991
[#3992]: https://github.com/bytedance/deer-flow/pull/3992
[#3993]: https://github.com/bytedance/deer-flow/pull/3993
[#3994]: https://github.com/bytedance/deer-flow/pull/3994
[#3996]: https://github.com/bytedance/deer-flow/pull/3996
[#4003]: https://github.com/bytedance/deer-flow/pull/4003
[#4004]: https://github.com/bytedance/deer-flow/pull/4004
[#4008]: https://github.com/bytedance/deer-flow/pull/4008
[#4009]: https://github.com/bytedance/deer-flow/pull/4009
[#4012]: https://github.com/bytedance/deer-flow/pull/4012
[#4016]: https://github.com/bytedance/deer-flow/pull/4016
[#4017]: https://github.com/bytedance/deer-flow/pull/4017
[#4018]: https://github.com/bytedance/deer-flow/pull/4018
[#4023]: https://github.com/bytedance/deer-flow/pull/4023
[#4024]: https://github.com/bytedance/deer-flow/pull/4024
[#4026]: https://github.com/bytedance/deer-flow/pull/4026
[#4028]: https://github.com/bytedance/deer-flow/pull/4028
[#4033]: https://github.com/bytedance/deer-flow/pull/4033
[#4034]: https://github.com/bytedance/deer-flow/pull/4034
[#4035]: https://github.com/bytedance/deer-flow/pull/4035
[#4036]: https://github.com/bytedance/deer-flow/pull/4036
[#4038]: https://github.com/bytedance/deer-flow/pull/4038
[#4040]: https://github.com/bytedance/deer-flow/pull/4040
[#4051]: https://github.com/bytedance/deer-flow/pull/4051
[#4052]: https://github.com/bytedance/deer-flow/pull/4052
[#4053]: https://github.com/bytedance/deer-flow/pull/4053
[#4055]: https://github.com/bytedance/deer-flow/pull/4055
[#4058]: https://github.com/bytedance/deer-flow/pull/4058
[#4059]: https://github.com/bytedance/deer-flow/pull/4059
[#4060]: https://github.com/bytedance/deer-flow/pull/4060
[#4064]: https://github.com/bytedance/deer-flow/pull/4064
[#4065]: https://github.com/bytedance/deer-flow/pull/4065
[#4067]: https://github.com/bytedance/deer-flow/pull/4067
[#4069]: https://github.com/bytedance/deer-flow/pull/4069
[#4072]: https://github.com/bytedance/deer-flow/pull/4072
[#4073]: https://github.com/bytedance/deer-flow/pull/4073
[#4074]: https://github.com/bytedance/deer-flow/pull/4074
[#4076]: https://github.com/bytedance/deer-flow/pull/4076
[#4077]: https://github.com/bytedance/deer-flow/pull/4077
[#4078]: https://github.com/bytedance/deer-flow/pull/4078
[#4079]: https://github.com/bytedance/deer-flow/pull/4079
[#4080]: https://github.com/bytedance/deer-flow/pull/4080
[#4082]: https://github.com/bytedance/deer-flow/pull/4082
[#4085]: https://github.com/bytedance/deer-flow/pull/4085
[#4090]: https://github.com/bytedance/deer-flow/pull/4090
[#4094]: https://github.com/bytedance/deer-flow/pull/4094
[#4095]: https://github.com/bytedance/deer-flow/issues/4095
[#4096]: https://github.com/bytedance/deer-flow/pull/4096
[#4098]: https://github.com/bytedance/deer-flow/pull/4098
[#4099]: https://github.com/bytedance/deer-flow/pull/4099
[#4100]: https://github.com/bytedance/deer-flow/pull/4100
[#4102]: https://github.com/bytedance/deer-flow/pull/4102
[#4103]: https://github.com/bytedance/deer-flow/pull/4103
[#4104]: https://github.com/bytedance/deer-flow/pull/4104
[#4108]: https://github.com/bytedance/deer-flow/pull/4108
[#4114]: https://github.com/bytedance/deer-flow/pull/4114
[#4115]: https://github.com/bytedance/deer-flow/pull/4115
[#4118]: https://github.com/bytedance/deer-flow/pull/4118
[#4119]: https://github.com/bytedance/deer-flow/pull/4119
[#4122]: https://github.com/bytedance/deer-flow/pull/4122
[#4124]: https://github.com/bytedance/deer-flow/pull/4124
[#4129]: https://github.com/bytedance/deer-flow/pull/4129
[#4130]: https://github.com/bytedance/deer-flow/pull/4130
[#4131]: https://github.com/bytedance/deer-flow/pull/4131
[#4136]: https://github.com/bytedance/deer-flow/pull/4136
[#4137]: https://github.com/bytedance/deer-flow/pull/4137
[#4140]: https://github.com/bytedance/deer-flow/pull/4140
[#4141]: https://github.com/bytedance/deer-flow/pull/4141
[#4143]: https://github.com/bytedance/deer-flow/pull/4143
[#4146]: https://github.com/bytedance/deer-flow/pull/4146
[#4147]: https://github.com/bytedance/deer-flow/pull/4147
[#4154]: https://github.com/bytedance/deer-flow/pull/4154
[#4155]: https://github.com/bytedance/deer-flow/pull/4155
[#4157]: https://github.com/bytedance/deer-flow/pull/4157
[#4160]: https://github.com/bytedance/deer-flow/pull/4160
[#4161]: https://github.com/bytedance/deer-flow/pull/4161
[#4162]: https://github.com/bytedance/deer-flow/pull/4162
[#4166]: https://github.com/bytedance/deer-flow/pull/4166
[#4169]: https://github.com/bytedance/deer-flow/pull/4169
[#4181]: https://github.com/bytedance/deer-flow/pull/4181
[#4188]: https://github.com/bytedance/deer-flow/pull/4188
[#4190]: https://github.com/bytedance/deer-flow/pull/4190
[#4192]: https://github.com/bytedance/deer-flow/issues/4192
[#4193]: https://github.com/bytedance/deer-flow/pull/4193
[#4199]: https://github.com/bytedance/deer-flow/pull/4199
[#4202]: https://github.com/bytedance/deer-flow/pull/4202
[#4203]: https://github.com/bytedance/deer-flow/pull/4203
[#4209]: https://github.com/bytedance/deer-flow/pull/4209
[#4215]: https://github.com/bytedance/deer-flow/pull/4215
[#4217]: https://github.com/bytedance/deer-flow/pull/4217
[#4218]: https://github.com/bytedance/deer-flow/pull/4218
[#4219]: https://github.com/bytedance/deer-flow/pull/4219
[#4222]: https://github.com/bytedance/deer-flow/pull/4222
[#4229]: https://github.com/bytedance/deer-flow/pull/4229
[#4235]: https://github.com/bytedance/deer-flow/pull/4235
[#4245]: https://github.com/bytedance/deer-flow/pull/4245
[#4246]: https://github.com/bytedance/deer-flow/pull/4246
[#4251]: https://github.com/bytedance/deer-flow/pull/4251
[#4264]: https://github.com/bytedance/deer-flow/pull/4264
[#4287]: https://github.com/bytedance/deer-flow/pull/4287
[#4288]: https://github.com/bytedance/deer-flow/pull/4288
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