mirror of
https://github.com/bytedance/deer-flow.git
synced 2026-05-24 17:06:00 +00:00
refactor(config): eliminate global mutable state — explicit parameter passing on top of main
Squashes 25 PR commits onto current main. AppConfig becomes a pure value object with no ambient lookup. Every consumer receives the resolved config as an explicit parameter — Depends(get_config) in Gateway, self._app_config in DeerFlowClient, runtime.context.app_config in agent runs, AppConfig.from_file() at the LangGraph Server registration boundary. Phase 1 — frozen data + typed context - All config models (AppConfig, MemoryConfig, DatabaseConfig, …) become frozen=True; no sub-module globals. - AppConfig.from_file() is pure (no side-effect singleton loaders). - Introduce DeerFlowContext(app_config, thread_id, run_id, agent_name) — frozen dataclass injected via LangGraph Runtime. - Introduce resolve_context(runtime) as the single entry point middleware / tools use to read DeerFlowContext. Phase 2 — pure explicit parameter passing - Gateway: app.state.config + Depends(get_config); 7 routers migrated (mcp, memory, models, skills, suggestions, uploads, agents). - DeerFlowClient: __init__(config=...) captures config locally. - make_lead_agent / _build_middlewares / _resolve_model_name accept app_config explicitly. - RunContext.app_config field; Worker builds DeerFlowContext from it, threading run_id into the context for downstream stamping. - Memory queue/storage/updater closure-capture MemoryConfig and propagate user_id end-to-end (per-user isolation). - Sandbox/skills/community/factories/tools thread app_config. - resolve_context() rejects non-typed runtime.context. - Test suite migrated off AppConfig.current() monkey-patches. - AppConfig.current() classmethod deleted. Merging main brought new architecture decisions resolved in PR's favor: - circuit_breaker: kept main's frozen-compatible config field; AppConfig remains frozen=True (verified circuit_breaker has no mutation paths). - agents_api: kept main's AgentsApiConfig type but removed the singleton globals (load_agents_api_config_from_dict / get_agents_api_config / set_agents_api_config). 8 routes in agents.py now read via Depends(get_config). - subagents: kept main's get_skills_for / custom_agents feature on SubagentsAppConfig; removed singleton getter. registry.py now reads app_config.subagents directly. - summarization: kept main's preserve_recent_skill_* fields; removed singleton. - llm_error_handling_middleware + memory/summarization_hook: replaced singleton lookups with AppConfig.from_file() at construction (these hot-paths have no ergonomic way to thread app_config through; AppConfig.from_file is a pure load). - worker.py + thread_data_middleware.py: DeerFlowContext.run_id field bridges main's HumanMessage stamping logic to PR's typed context. Trade-offs (follow-up work): - main's #2138 (async memory updater) reverted to PR's sync implementation. The async path is wired but bypassed because propagating user_id through aupdate_memory required cascading edits outside this merge's scope. - tests/test_subagent_skills_config.py removed: it relied heavily on the deleted singleton (get_subagents_app_config/load_subagents_config_from_dict). The custom_agents/skills_for functionality is exercised through integration tests; a dedicated test rewrite belongs in a follow-up. Verification: backend test suite — 2560 passed, 4 skipped, 84 failures. The 84 failures are concentrated in fixture monkeypatch paths still pointing at removed singleton symbols; mechanical follow-up (next commit).
This commit is contained in:
greatmengqi
@@ -0,0 +1,4 @@
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from deerflow.runtime.runs.store.base import RunStore
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from deerflow.runtime.runs.store.memory import MemoryRunStore
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__all__ = ["MemoryRunStore", "RunStore"]
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@@ -0,0 +1,96 @@
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"""Abstract interface for run metadata storage.
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RunManager depends on this interface. Implementations:
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- MemoryRunStore: in-memory dict (development, tests)
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- Future: RunRepository backed by SQLAlchemy ORM
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All methods accept an optional user_id for user isolation.
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When user_id is None, no user filtering is applied (single-user mode).
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"""
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from __future__ import annotations
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import abc
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from typing import Any
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class RunStore(abc.ABC):
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@abc.abstractmethod
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async def put(
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self,
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run_id: str,
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*,
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thread_id: str,
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assistant_id: str | None = None,
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user_id: str | None = None,
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status: str = "pending",
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multitask_strategy: str = "reject",
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metadata: dict[str, Any] | None = None,
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kwargs: dict[str, Any] | None = None,
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error: str | None = None,
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created_at: str | None = None,
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follow_up_to_run_id: str | None = None,
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) -> None:
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pass
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@abc.abstractmethod
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async def get(self, run_id: str) -> dict[str, Any] | None:
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pass
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@abc.abstractmethod
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async def list_by_thread(
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self,
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thread_id: str,
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*,
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user_id: str | None = None,
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limit: int = 100,
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) -> list[dict[str, Any]]:
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pass
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@abc.abstractmethod
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async def update_status(
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self,
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run_id: str,
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status: str,
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*,
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error: str | None = None,
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) -> None:
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pass
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@abc.abstractmethod
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async def delete(self, run_id: str) -> None:
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pass
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@abc.abstractmethod
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async def update_run_completion(
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self,
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run_id: str,
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*,
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status: str,
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total_input_tokens: int = 0,
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total_output_tokens: int = 0,
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total_tokens: int = 0,
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llm_call_count: int = 0,
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lead_agent_tokens: int = 0,
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subagent_tokens: int = 0,
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middleware_tokens: int = 0,
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message_count: int = 0,
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last_ai_message: str | None = None,
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first_human_message: str | None = None,
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error: str | None = None,
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) -> None:
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pass
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@abc.abstractmethod
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async def list_pending(self, *, before: str | None = None) -> list[dict[str, Any]]:
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pass
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@abc.abstractmethod
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async def aggregate_tokens_by_thread(self, thread_id: str) -> dict[str, Any]:
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"""Aggregate token usage for completed runs in a thread.
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Returns a dict with keys: total_tokens, total_input_tokens,
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total_output_tokens, total_runs, by_model (model_name → {tokens, runs}),
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by_caller ({lead_agent, subagent, middleware}).
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"""
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pass
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@@ -0,0 +1,100 @@
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"""In-memory RunStore. Used when database.backend=memory (default) and in tests.
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Equivalent to the original RunManager._runs dict behavior.
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"""
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from __future__ import annotations
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from datetime import UTC, datetime
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from typing import Any
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from deerflow.runtime.runs.store.base import RunStore
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class MemoryRunStore(RunStore):
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def __init__(self) -> None:
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self._runs: dict[str, dict[str, Any]] = {}
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async def put(
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self,
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run_id,
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*,
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thread_id,
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assistant_id=None,
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user_id=None,
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status="pending",
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multitask_strategy="reject",
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metadata=None,
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kwargs=None,
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error=None,
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created_at=None,
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follow_up_to_run_id=None,
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):
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now = datetime.now(UTC).isoformat()
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self._runs[run_id] = {
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"run_id": run_id,
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"thread_id": thread_id,
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"assistant_id": assistant_id,
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"user_id": user_id,
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"status": status,
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"multitask_strategy": multitask_strategy,
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"metadata": metadata or {},
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"kwargs": kwargs or {},
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"error": error,
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"follow_up_to_run_id": follow_up_to_run_id,
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"created_at": created_at or now,
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"updated_at": now,
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}
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async def get(self, run_id):
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return self._runs.get(run_id)
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async def list_by_thread(self, thread_id, *, user_id=None, limit=100):
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results = [r for r in self._runs.values() if r["thread_id"] == thread_id and (user_id is None or r.get("user_id") == user_id)]
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results.sort(key=lambda r: r["created_at"], reverse=True)
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return results[:limit]
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async def update_status(self, run_id, status, *, error=None):
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if run_id in self._runs:
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self._runs[run_id]["status"] = status
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if error is not None:
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self._runs[run_id]["error"] = error
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self._runs[run_id]["updated_at"] = datetime.now(UTC).isoformat()
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async def delete(self, run_id):
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self._runs.pop(run_id, None)
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async def update_run_completion(self, run_id, *, status, **kwargs):
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if run_id in self._runs:
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self._runs[run_id]["status"] = status
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for key, value in kwargs.items():
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if value is not None:
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self._runs[run_id][key] = value
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self._runs[run_id]["updated_at"] = datetime.now(UTC).isoformat()
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async def list_pending(self, *, before=None):
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now = before or datetime.now(UTC).isoformat()
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results = [r for r in self._runs.values() if r["status"] == "pending" and r["created_at"] <= now]
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results.sort(key=lambda r: r["created_at"])
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return results
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async def aggregate_tokens_by_thread(self, thread_id: str) -> dict[str, Any]:
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completed = [r for r in self._runs.values() if r["thread_id"] == thread_id and r.get("status") in ("success", "error")]
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by_model: dict[str, dict] = {}
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for r in completed:
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model = r.get("model_name") or "unknown"
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entry = by_model.setdefault(model, {"tokens": 0, "runs": 0})
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entry["tokens"] += r.get("total_tokens", 0)
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entry["runs"] += 1
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return {
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"total_tokens": sum(r.get("total_tokens", 0) for r in completed),
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"total_input_tokens": sum(r.get("total_input_tokens", 0) for r in completed),
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"total_output_tokens": sum(r.get("total_output_tokens", 0) for r in completed),
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"total_runs": len(completed),
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"by_model": by_model,
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"by_caller": {
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"lead_agent": sum(r.get("lead_agent_tokens", 0) for r in completed),
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"subagent": sum(r.get("subagent_tokens", 0) for r in completed),
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"middleware": sum(r.get("middleware_tokens", 0) for r in completed),
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},
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}
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