""" pipeline-service: gateway — agent 网关(统一消息入口 + 会话生命周期 + 通道注册) gateway 的核心价值:通道无关的统一消息入口。 Web(AgentIO) / 微信 等通道都通过 gateway.run_message() 触达 agent, 共享同一套「解析项目上下文 → 加载产线能力 → AgentExecutor 执行」逻辑。 标准化事件流(channel-neutral NDJSON),所有通道可消费: {"type":"progress","message":...} {"type":"tool_call","tool":...,"params":...} {"type":"tool_result","result":...} {"type":"reply","message":...} {"type":"ask_user","message":...} {"type":"error","message":...} 安全模型(微信通道):机构级公众号 + 用户 openid 绑定 + 匿名拒绝, 通道身份(openid)→ 系统 user_id 的映射由各通道适配器负责,gateway 只认 user_id。 """ import json import logging import time from dataclasses import dataclass, field from typing import AsyncGenerator, Dict, Optional logger = logging.getLogger("pipeline.gateway") @dataclass class GatewaySession: """一个会话 = (channel, user_id, session_id) 的 agent 上下文(元数据,executor 每次新建)。""" channel: str user_id: str session_id: str = "" # 会话内唯一标识(web 多 tab 独立会话);空 = 单会话(向后兼容) project_id: str = "" pipeline_id: str = "" project_name: str = "" created_at: float = 0.0 updated_at: float = 0.0 approve_all: bool = False # 会话级"全部确认":用户评估后授权,本会话不再询问危险命令 pending_confirm: Optional[dict] = None # 待确认工具 {"tool":..., "params":...}(危险命令等待用户确认) class Gateway: """agent 网关。""" def __init__(self): self._sessions: Dict[str, GatewaySession] = {} # key = f"{channel}:{user_id}" self._channels: Dict[str, object] = {} # ── 通道注册 ── def register_channel(self, name: str, channel) -> None: """注册一个通道适配器(如 web/wechat)。""" self._channels[name] = channel logger.info(f"Gateway channel registered: {name}") def list_channels(self) -> list: return list(self._channels.keys()) # ── 会话生命周期 ── @staticmethod def _session_key(channel: str, user_id: str, session_id: str = "") -> str: if session_id: return f"{channel}:{user_id}:{session_id}" return f"{channel}:{user_id}" def get_session(self, channel: str, user_id: str, session_id: str = "") -> Optional[GatewaySession]: return self._sessions.get(self._session_key(channel, user_id, session_id)) def clear_session(self, channel: str, user_id: str, session_id: str = "") -> None: """清除会话(/reset 时用)。""" self._sessions.pop(self._session_key(channel, user_id, session_id), None) # ── 上下文解析 ── async def resolve_project(self, user_id: str, session_id: str = "") -> dict: """解析用户当前项目 → {pid, pipeline_id, name, default_llm_id, default_llm_name, project_model_name}。 pid 按会话隔离(session_id 非空时读 pipeline_session_settings,无记录回退全局); 同时读出个人选择的模型(default_llm_id → llm.name,仍按用户全局)与项目级模型 (sd_projects.default_model,产线通用、跨会话持久),供 run_message 按优先级覆盖。 """ ctx = {"pid": "", "pipeline_id": "", "name": "", "default_llm_id": "", "default_llm_name": "", "project_model_name": ""} if not user_id: return ctx try: from sqlor.dbpools import DBPools from .workspace import get_session_project_id db = DBPools() async with db.sqlorContext("pipeline") as sor: # 当前项目:按会话隔离(多 tab 各自项目,互不覆盖) ctx["pid"] = await get_session_project_id(sor, user_id, session_id) or "" # 个人模型选择:仍按用户全局读 recs = await sor.sqlExe( "SELECT default_llm_id FROM pipeline_agent_settings WHERE user_id=${u}$", {"u": user_id}) if recs: ctx["default_llm_id"] = getattr(recs[0], "default_llm_id", "") or "" # 单独查 llm.name(避免 JOIN 触发两表字段 collation 不一致) if ctx["default_llm_id"]: llm_recs = await sor.sqlExe( "SELECT name FROM llm WHERE id=${id}$ AND status='active'", {"id": ctx["default_llm_id"]}) if llm_recs: ctx["default_llm_name"] = getattr(llm_recs[0], "name", "") or "" if ctx["pid"]: proj = await sor.sqlExe( "SELECT name, pipeline_id, default_model FROM sd_projects WHERE id=${p}$", {"p": ctx["pid"]}) if proj: ctx["name"] = getattr(proj[0], "name", "") ctx["pipeline_id"] = getattr(proj[0], "pipeline_id", "") or "" ctx["project_model_name"] = getattr(proj[0], "default_model", "") or "" except Exception as e: logger.warning(f"gateway resolve_project failed: {e}") return ctx # ── 统一消息入口 ── async def run_message(self, channel: str, user_id: str, content: str, history=None, role: str = "", generic: bool = False, base_url: str = "", session_id: str = "", pipeline_id: str = "", model_id: str = "") -> AsyncGenerator[str, None]: """统一消息入口:解析上下文 → 加载产线能力 → AgentExecutor 执行 → yield 事件流。 Args: channel: 通道名(web / wechat / ...) user_id: 系统用户 ID(通道适配器负责把 openid 映射到 user_id) content: 用户消息内容 history: 可选历史消息 role: 可选产线内角色(驾驶舱 agent 为空) generic: True = 纯通用会话(不解析项目、不加载产线能力,只用 GENERAL_TOOLS + 通用心智) session_id: 会话内唯一标识(web 多 tab 独立会话用;空 = 单会话) pipeline_id: 产线默认能力(会话入口指定,如 bidding_general/sdlc_general)。 无当前项目时用此产线装载能力,替代硬回退 DEFAULT_ABILITY_ID。 model_id: 前端模型下拉选中的模型(llm.id 或 llm.model_id)。非空时: ① 校验模型存在且可用 → 解析出 llm.name; ② 持久化到当前项目(sd_projects.default_model,产线通用)—— 项目模型一经设置即生效,直到用户再次选择,不因新会话/换 tab 丢失; ③ 本条消息直接使用该模型。 空 = 未重新选择,沿用项目已设模型。 """ from pipeline_core.agent_config import load_agent_config from .agent_loop_v2 import AgentExecutor # 1. 解析项目上下文(纯通用模式跳过,不挂任何产线插件) if generic: ctx = {"pid": "", "pipeline_id": "", "name": "", "project_model_name": ""} else: ctx = await self.resolve_project(user_id, session_id) # 无当前项目 → 用入口指定的默认产线(投标/开发产线各自独立入口的关键) if not ctx.get("pipeline_id") and pipeline_id: ctx["pipeline_id"] = pipeline_id # 1.5 模型解析与项目级持久化(优先级:本次显式选择 > 项目已设 > 个人全局 > 产线默认) chosen_model = "" if model_id: chosen_model = await self._resolve_and_persist_model( user_id, ctx.get("pid", ""), model_id) # 2. 会话生命周期(跟踪 project 切换;session_id 区分多 tab 会话) key = self._session_key(channel, user_id, session_id) sess = self._sessions.get(key) now = time.time() if sess is None or sess.project_id != ctx["pid"]: sess = GatewaySession( channel=channel, user_id=user_id, session_id=session_id, project_id=ctx["pid"], pipeline_id=ctx["pipeline_id"], project_name=ctx["name"], created_at=now, updated_at=now, ) self._sessions[key] = sess else: sess.project_id = ctx["pid"] sess.pipeline_id = ctx["pipeline_id"] sess.project_name = ctx["name"] sess.updated_at = now # 3. 加载产线能力 + 创建 executor(generic 时不装产线能力) config = await load_agent_config( pipeline_id=ctx["pipeline_id"], project_id=ctx["pid"], generic=generic) # 模型覆盖优先级:本次选择 > 项目模型 > 个人全局选择(个人全局只兜底,不再压过项目设置) if chosen_model: config.model_name = chosen_model elif ctx.get("project_model_name"): config.model_name = ctx["project_model_name"] elif ctx.get("default_llm_name"): config.model_name = ctx["default_llm_name"] executor = AgentExecutor( config=config, project_id=ctx["pid"], user_id=user_id, role=role, base_url=base_url, generic=generic, session=sess, session_id=session_id, default_pipeline_id=pipeline_id) # 4. 转发标准化事件流 async for chunk in executor.run(content, history=history): yield chunk async def _resolve_and_persist_model(self, user_id: str, project_id: str, model_id: str) -> str: """校验前端选中的模型并持久化到项目。返回 llm.name(空 = 无效/未持久化,调用方走回退链)。 model_id 兼容两种取值:llm.id(主键)或 llm.model_id(API 模型名,如 deepseek-v4-pro)—— 前端 UiCode 的 valueField 历史上两种都用过,这里统一解析,避免语义漂移。 多租户隔离:非系统级用户只能选本机构 + 系统级共享模型。 """ if not model_id: return "" try: from sqlor.dbpools import DBPools db = DBPools() async with db.sqlorContext("pipeline") as sor: org_id = "" try: urecs = await sor.sqlExe( "SELECT orgid FROM users WHERE id=${u}$", {"u": user_id}) if urecs: org_id = getattr(urecs[0], "orgid", "") or "" except Exception: pass recs = await sor.sqlExe( "SELECT id, name, org_id FROM llm " "WHERE status='active' AND (id=${m}$ OR model_id=${m}$) LIMIT 1", {"m": model_id}) await sor.sqlExe("COMMIT", {}) if not recs: logger.warning(f"run_message: model_id 无效(不存在或未启用): {model_id}") return "" rec = recs[0] llm_org = getattr(rec, "org_id", "") or "" if org_id and org_id != "0" and llm_org not in ("", "0", org_id): logger.warning(f"run_message: 模型不属于本机构: {model_id} (org={org_id})") return "" name = getattr(rec, "name", "") or "" # 持久化到项目:项目模型一经设置即生效,直到用户再次选择 if project_id and name: cur = await sor.sqlExe( "SELECT default_model FROM sd_projects WHERE id=${p}$", {"p": project_id}) await sor.sqlExe("COMMIT", {}) if cur and (getattr(cur[0], "default_model", "") or "") != name: await sor.sqlExe( "UPDATE sd_projects SET default_model=${m}$ WHERE id=${p}$", {"m": name, "p": project_id}) await sor.sqlExe("COMMIT", {}) logger.info( f"项目模型已更新: project={project_id} model={name} by={user_id}") return name except Exception as e: logger.warning(f"_resolve_and_persist_model failed: {e}") return "" # ── 全局单例 ── _gateway: Optional[Gateway] = None def get_gateway() -> Gateway: global _gateway if _gateway is None: _gateway = Gateway() return _gateway