feat(server): W2-D agent assembly, session API, runAgent/resolveDecision and backend e2e

- Capabilities: all 14 registered (AO: inventory.query, download.plan/submit, organize.plan/execute,
  policy.preview/apply; agent: task.inspect/retry/cancel); startup asserts count == 14.
  Registry injects server-side authorize (automation_grant by action/scope/policy version/budget,
  one-shot approval bound to plan id + payload hash + revision + expiry; model claims ignored;
  automation switch), audit_event, server idempotency keys and a capability_invocation op ledger
  (migration 0021) used for crash reconciliation. download.plan creates draft plans only;
  download.submit promotes draft -> reserved after authorization.
- Agent session API: POST/GET /agent/runs, GET /agent/runs/{id} (events by seq, messages, report),
  POST .../messages (wake), POST .../abort; automation-grants, approvals, capabilities invoke, tasks.
- runAgent task: Pi or fake provider from settings (apiKey via secrets), events persisted to
  agent_run_event then published, resume + ledger reconciliation when pendingOperations > 0,
  waits for goal-linked downloads/imports and reports from business tables (submitted != imported).
- Background triggers: decision.created -> bounded plan_only investigation (dedupe per decision);
  decision.updated(resolved) -> resolveDecision executes chosen option.
- W2 closure: all OpenAPI routes registered in contracts api.ts (+ subset test); TMDB key from
  settings secret_ref with env fallback; PUT /sites/{id}/credentials documented as alias of
  /site-accounts; completion events documented as existing status events.
- e2e (real PG + OpenWorkflow + testkit mocks): RSS->library, agent delegation with grant/deny,
  background continuation, worker kill -9 recovery (single qB add), auto investigation dedupe.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
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rootandClaude Opus 5.5 committed 2026-09-27 20:52:12 +08:00
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import { join, resolve } from "node:path";
import {
type AgentRunHandle,
type AgentSettings,
buildSystemPrompt,
type CapabilityRegistry,
createFakeRuntime,
type FakeScript,
PiAgentRuntime,
type RunOutcome,
} from "@umt/agent";
import {
type AgentBudget,
type AgentGoalReport,
type AgentRunEvent,
type AgentRunStatus,
agentRunEventToBusEvent,
agentRunEventToRow,
CAPABILITY_CATALOG,
type CapabilityKind,
type GlobalSettings,
KnownCapabilityId,
} from "@umt/contracts";
import { type AgentRunRow, sql } from "@umt/db";
import type { ServerContext } from "../types.ts";
import { DEMO_SCRIPTS, parseFakeScripts } from "./fake-scripts.ts";
import { buildGoalReport } from "./report.ts";
// runAgent 任务的执行体:从设置装配 Pi(或 fake)运行时 → 事件先写 agent_run_event 再推 SSE →
// 崩溃恢复(pendingOperations>0 时先按幂等键对账未知结果再 resume)→ 消费追加消息 → 汇报以业务表为准。
export interface AgentModuleOptions {
/** Pi JSONL 会话目录(崩溃恢复点;新 worker 需能读到同一目录) */
sessionDir?: string;
/** fake 模式脚本(测试注入);缺省读 settings.agent.fakeScript,再缺省用内置演示脚本 */
fakeScripts?: FakeScript[];
/** 覆盖 settings.agent.goalPollSec(测试用小值) */
goalPollSec?: number;
}
export interface AgentEnv {
ctx: ServerContext;
opts: AgentModuleOptions;
}
/** "先给方案"与后台调查只允许这些类别 */
export const PLAN_ONLY_KINDS: CapabilityKind[] = ["read", "preview", "propose"];
/** 后台自动调查的能力白名单:只读/预览 + 身份提案 */
export const INVESTIGATE_CAPABILITIES = [
"catalog.lookup",
"release.search",
"release.inspect",
"inventory.query",
"task.inspect",
"identity.resolve",
] as const;
export interface RunScope {
capabilities: string[];
allowedKinds: CapabilityKind[] | null;
decisionId?: string | null;
}
/** 按模式确定能力白名单与类别上限;plan_only 下给了 execute 类能力直接报错 */
export function scopeFor(mode: "execute" | "plan_only", allowlist?: readonly string[]): RunScope {
const all = Object.values(CAPABILITY_CATALOG);
if (mode === "plan_only") {
const bad = (allowlist ?? []).filter((id) => {
const d = CAPABILITY_CATALOG[id as KnownCapabilityId];
return !d || !PLAN_ONLY_KINDS.includes(d.kind);
});
if (bad.length) throw new Error(`plan_only 模式只允许 read/preview/propose 类能力,不允许:${bad.join(", ")}`);
return {
capabilities: allowlist?.length
? [...allowlist]
: all.filter((d) => PLAN_ONLY_KINDS.includes(d.kind)).map((d) => d.id),
allowedKinds: PLAN_ONLY_KINDS,
};
}
for (const id of allowlist ?? []) KnownCapabilityId.parse(id);
return { capabilities: allowlist?.length ? [...allowlist] : all.map((d) => d.id), allowedKinds: null };
}
export function sessionDirOf(env: AgentEnv): string {
return resolve(
env.opts.sessionDir ?? Deno.env.get("AGENT_SESSION_DIR") ?? join(Deno.cwd(), "data", "agent-sessions"),
);
}
export interface DriveResult {
status: "completed" | "failed" | "cancelled";
reason: "budget" | "aborted" | "error" | null;
budget: string | null;
message: string | null;
finalText: string;
}
/** 设置 → @umt/agent 的运行参数(apiKey 现场经 secrets 解密,不落日志) */
async function agentSettings(
env: AgentEnv,
s: GlobalSettings,
budget: AgentBudget,
fake: boolean,
): Promise<AgentSettings> {
const pi = s.pi;
let apiKey = "fake-key-not-used";
if (!fake) {
if (!pi.apiKeySecretRef) throw new Error("未配置 Pi 上游密钥(设置 → pi.apiKey)");
apiKey = await env.ctx.secrets.resolve(pi.apiKeySecretRef);
if (!pi.model) throw new Error("未配置模型(设置 → pi.model)");
}
const maxTokens = budget.maxTokens ?? s.agent.maxTokensPerRun ?? undefined;
const maxCost = budget.maxCostUsd ?? s.agent.maxCostUsdPerRun ?? undefined;
return {
provider: pi.provider === "openai-compatible" ? "openai-compatible" : "anthropic",
...(pi.baseUrl && !fake ? { baseUrl: pi.baseUrl } : {}),
apiKey,
model: pi.model ?? "fake-model",
thinkingLevel: pi.thinkingLevel,
contextBudgetTokens: pi.contextBudget,
compaction: {
mode: pi.compaction.enabled ? "threshold" : "manual",
threshold: Math.min(0.95, Math.max(0.5, pi.compaction.thresholdRatio)),
},
subagentsEnabled: pi.subagentsEnabled,
maxToolCalls: budget.maxToolCalls ?? s.agent.maxToolCalls,
maxDurationMs: (budget.maxDurationSec ?? s.agent.maxDurationSec) * 1000,
...(maxTokens !== undefined || maxCost !== undefined
? {
costBudget: {
...(maxTokens !== undefined ? { maxTotalTokens: maxTokens } : {}),
...(maxCost !== undefined && maxCost > 0 ? { maxCostUsd: maxCost } : {}),
},
}
: {}),
};
}
/** 事件:先落库(run_id, seq 唯一)再推全局 SSE;未授权的工具失败在总线上标为 denied */
function eventSink(env: AgentEnv) {
const { ctx } = env;
return async (e: AgentRunEvent) => {
const row = agentRunEventToRow(e);
await ctx.db
.insertInto("agent_run_event")
.values({
run_id: row.runId,
seq: row.seq,
type: row.type,
at: new Date(row.at),
payload: JSON.stringify(row.payload),
})
.onConflict((oc) => oc.columns(["run_id", "seq"]).doNothing())
.execute();
await ctx.db
.updateTable("agent_run")
.set({
last_event_seq: sql`greatest(last_event_seq, ${e.seq})`,
...(e.type === "tool_call_start" && !e.recovery ? { tool_call_count: sql`tool_call_count + 1` } : {}),
...(e.type === "run_completed" || e.type === "run_failed" ? { usage: JSON.stringify(e.usage) } : {}),
})
.where("id", "=", e.runId)
.execute();
const bus = agentRunEventToBusEvent(e);
if (!bus) return;
// run_completed/run_failed 只代表模型本轮结束;agent_run 的最终状态由 finalize 按业务结果发布
if (bus.type === "agent.run_status" && (e.type === "run_completed" || e.type === "run_failed")) return;
if (
bus.type === "agent.tool_call" &&
e.type === "tool_call_end" &&
e.isError &&
/"code":"unauthorized"/.test(e.outputSummary)
) {
bus.payload.phase = "denied";
}
void ctx.events.publish(bus.type, bus.payload);
};
}
export async function publishStatus(ctx: ServerContext, runId: string, status: AgentRunStatus, summary: string | null) {
void ctx.events.publish("agent.run_status", { runId, status, summary });
}
/** 取下一条待消费的追加消息(原子认领,两个驱动者不会拿到同一条) */
async function claimMessage(ctx: ServerContext, runId: string): Promise<string | null> {
const r = await sql<{ text: string }>`
update agent_run_message set status = 'consumed', consumed_at = now()
where id = (select id from agent_run_message where run_id = ${runId} and status = 'pending'
order by created_at, id limit 1 for update skip locked)
returning text`.execute(ctx.db);
return r.rows[0]?.text ?? null;
}
/**
* 崩溃恢复对账:本 run 在账本里停在 running 的有副作用调用,按同一幂等键重跑处理器
* (处理器自身幂等:下载按计划状态 + qB hash,整理按记录状态),让账本落到真实结果。
* 之后 resume 时模型拿到"结果未知",再次调用同参数能力会直接得到账本里的结果。
*/
export async function reconcilePending(
env: AgentEnv,
registry: CapabilityRegistry,
run: AgentRunRow,
signal: AbortSignal,
) {
const rows = await env.ctx.db
.selectFrom("capability_invocation")
.selectAll()
.where("agent_run_id", "=", run.id)
.where("status", "=", "running")
.orderBy("created_at")
.execute();
for (const r of rows) {
try {
await registry.invoke(r.capability_id, r.input, {
actorId: r.actor_id,
taskId: run.task_id ?? run.id,
scopeIds: [],
signal,
source: "task",
agentRunId: run.id,
invocationId: `reconcile:${r.id}`,
});
} catch (err) {
env.ctx.logger.warn(
{ runId: run.id, capability: r.capability_id, err: { message: (err as Error).message } },
"agent 崩溃恢复对账失败",
);
}
}
}
function systemPromptFor(run: AgentRunRow, scope: RunScope): string {
const constraints: string[] = [
`可用能力:${scope.capabilities.join(", ")}`,
"有副作用的能力(提交下载、执行整理、发布策略、重试/取消任务)需要服务端授权;被拒绝时如实说明缺少哪项授权。",
];
if (run.mode === "plan_only")
constraints.push("本次为“先给方案”:只调查与规划,不提交下载、不做文件变更、不发布策略。");
if (run.trigger === "event")
constraints.push("本任务由后台事件触发,是有界的只读调查:收集证据、给出结论与建议,不要反复重试同一操作。");
return buildSystemPrompt({
role: run.trigger === "event" ? "媒体库异常调查员" : "媒体库自动化助手",
goal: run.goal,
constraints,
});
}
/** 读 agent_run_event 里最后一轮的结束事件(崩溃发生在"模型已结束、业务状态未写"之间时复用) */
async function lastOutcomeEvent(env: AgentEnv, runId: string) {
const r = await env.ctx.db
.selectFrom("agent_run_event")
.select(["type", "payload", "seq"])
.where("run_id", "=", runId)
.where("type", "in", ["run_started", "run_completed", "run_failed"])
.orderBy("seq", "desc")
.executeTakeFirst();
return r ?? null;
}
async function dailyBudgetBlock(env: AgentEnv, s: GlobalSettings, run: AgentRunRow): Promise<string | null> {
if (run.started_at) return null; // 续跑不重复计数
const day = new Date();
day.setHours(0, 0, 0, 0);
const r = await sql<{ n: number; cost: number | null }>`
select count(*)::int as n, sum(coalesce((usage->>'costUsd')::float8, 0))::float8 as cost
from agent_run where started_at >= ${day} and id <> ${run.id}`.execute(env.ctx.db);
const n = r.rows[0]?.n ?? 0;
const cost = r.rows[0]?.cost ?? 0;
if (n >= s.budget.agentMaxRunsPerDay) return `今日 Agent 运行次数已达上限 ${s.budget.agentMaxRunsPerDay}`;
if (cost >= s.budget.agentMaxCostUsdPerDay) return `今日 Agent 费用已达上限 $${s.budget.agentMaxCostUsdPerDay}`;
return null;
}
/**
* 驱动一次模型会话直到本轮结束(含追加消息)。整个函数在一个持久步骤里执行:worker 崩溃后新 worker 从头重跑本函数,
* 打开同一 JSONL 会话,pendingOperations>0 时对账 + resume,已完成的工具调用不会重放。
*/
export async function drive(
env: AgentEnv,
registry: CapabilityRegistry,
runId: string,
signal: AbortSignal,
): Promise<DriveResult> {
const { ctx } = env;
const run = await ctx.db.selectFrom("agent_run").selectAll().where("id", "=", runId).executeTakeFirstOrThrow();
if (run.cancel_requested_at || signal.aborted)
return { status: "cancelled", reason: "aborted", budget: null, message: "运行已被取消", finalText: "" };
const s = await ctx.settings.all();
const blocked = await dailyBudgetBlock(env, s, run);
if (blocked) return { status: "failed", reason: "budget", budget: "daily", message: blocked, finalText: "" };
const fake = s.pi.provider === "fake";
const scope = (run.scope ?? {}) as unknown as RunScope;
let settings: AgentSettings;
try {
settings = await agentSettings(env, s, (run.budget ?? {}) as AgentBudget, fake);
} catch (err) {
return { status: "failed", reason: "error", budget: null, message: (err as Error).message, finalText: "" };
}
await ctx.db
.updateTable("agent_run")
.set({
status: "running",
started_at: run.started_at ?? new Date(),
provider: fake ? "fake" : s.pi.provider,
model: fake ? "fake-model" : s.pi.model,
thinking_level: s.pi.thinkingLevel,
})
.where("id", "=", runId)
.execute();
void publishStatus(ctx, runId, "running", null);
const onEvent = eventSink(env);
const onEventError = (err: unknown, e: AgentRunEvent) =>
ctx.logger.warn({ runId, seq: e.seq, err: { message: (err as Error).message } }, "agent 事件落库失败");
let scripts: FakeScript[] = DEMO_SCRIPTS;
if (fake) {
try {
scripts = env.opts.fakeScripts ?? (s.agent.fakeScript ? parseFakeScripts(s.agent.fakeScript) : DEMO_SCRIPTS);
} catch (err) {
return {
status: "failed",
reason: "error",
budget: null,
message: `fakeScript 不合法:${(err as Error).message}`,
finalText: "",
};
}
}
const runtime = fake
? createFakeRuntime({ registry, scripts, onEvent, onEventError }).runtime
: new PiAgentRuntime({ registry, onEvent, onEventError });
const maxSeq = await ctx.db
.selectFrom("agent_run_event")
.select(sql<number | null>`max(seq)`.as("m"))
.where("run_id", "=", runId)
.executeTakeFirst();
const actor = {
actorId: run.created_by ?? `agent:${runId}`,
taskId: run.task_id ?? runId,
scopeIds: [] as string[],
...(scope.allowedKinds ? { allowedKinds: scope.allowedKinds } : {}),
};
let handle: AgentRunHandle;
try {
handle = await runtime.createRun({
runId,
goal: run.goal,
systemPrompt: systemPromptFor(run, scope),
capabilities: scope.capabilities?.length ? scope.capabilities : Object.keys(CAPABILITY_CATALOG),
settings,
sessionDir: sessionDirOf(env),
actor,
firstSeq: maxSeq?.m === null || maxSeq?.m === undefined ? 0 : Number(maxSeq.m) + 1,
});
} catch (err) {
return { status: "failed", reason: "error", budget: null, message: (err as Error).message, finalText: "" };
}
// 取消传播:任务取消信号或 agent_run.cancel_requested_at → 中止会话
let aborting = false;
const abortOnce = () => {
if (aborting) return;
aborting = true;
void handle.abort("用户取消");
};
signal.addEventListener("abort", abortOnce, { once: true });
const watch = setInterval(async () => {
const r = await ctx.db
.selectFrom("agent_run")
.select("cancel_requested_at")
.where("id", "=", runId)
.executeTakeFirst()
.catch(() => null);
if (r?.cancel_requested_at) abortOnce();
}, 1000);
try {
let outcome: RunOutcome | null = null;
if (handle.pendingOperations > 0) {
await reconcilePending(env, registry, run, signal);
outcome = await handle.resume();
} else {
const last = await lastOutcomeEvent(env, runId);
if (!last) outcome = await handle.prompt();
else if (last.type === "run_started") outcome = await handle.resume();
else {
const p = last.payload as { finalText?: string; reason?: string; message?: string; budget?: string };
outcome =
last.type === "run_completed"
? { status: "completed", finalText: p.finalText ?? "", usage: {} as never }
: {
status: "failed",
reason: (p.reason ?? "error") as RunOutcome["reason"] & string,
message: p.message ?? "",
finalText: "",
usage: {} as never,
...(p.budget ? { budget: p.budget as never } : {}),
};
}
}
while (outcome.status === "completed" && !aborting) {
const text = await claimMessage(ctx, runId);
if (text === null) break;
outcome = await handle.prompt(text);
}
if (outcome.status === "completed")
return { status: "completed", reason: null, budget: null, message: null, finalText: outcome.finalText };
return {
status: outcome.reason === "aborted" ? "cancelled" : "failed",
reason: outcome.reason ?? "error",
budget: outcome.budget ?? null,
message: outcome.message ?? null,
finalText: outcome.finalText,
};
} finally {
clearInterval(watch);
signal.removeEventListener("abort", abortOnce);
await handle.close();
}
}
/** 等待目标关联的下载/入库落定:返回报告(state≠waiting)或 null(继续等) */
export async function goalSettled(env: AgentEnv, runId: string, modelText: string): Promise<AgentGoalReport | null> {
const r = await buildGoalReport(env.ctx.db, runId, modelText);
if (r.state !== "waiting") return r;
await env.ctx.db
.updateTable("agent_run")
.set({ status: "waiting", summary: r.summary })
.where("id", "=", runId)
.where("status", "in", ["running", "waiting"])
.execute();
return null;
}