feat: add agent run trace receipts

src/fable5/eval-trace.test.ts

@@ -2,7 +2,7 @@ import * as fs from "node:fs";
 import * as os from "node:os";
 import * as path from "node:path";
 import { afterEach, describe, expect, it } from "vitest";
-import { createDuelEvalReceipt, createEvalTraceReceipt, gradeSetRecovery, gradeVerifiableReward, tallyDuelReceipts, writeDuelEvalReceipt, writeEvalTraceReceipt } from "./eval-trace.js";
+import { createAgentRunTraceReceipt, createDuelEvalReceipt, createEvalTraceReceipt, gradeSetRecovery, gradeVerifiableReward, tallyDuelReceipts, writeAgentRunTraceReceipt, writeDuelEvalReceipt, writeEvalTraceReceipt } from "./eval-trace.js";
 
 const roots: string[] = [];
 
@@ -31,6 +31,31 @@ describe("eval trace receipt", () => {
     expect(JSON.parse(fs.readFileSync(out, "utf-8"))).toMatchObject({ task: "task", status: "passed", gitHead: "abc123" });
   });
 
+  it("writes agent run trace receipts without deploy authority", () => {
+    const out = path.join(tmpRoot(), "agent-run.json");
+    const receipt = createAgentRunTraceReceipt({
+      runId: "run-1",
+      task: "summarize video",
+      startedAt: new Date("2026-06-29T00:00:00.000Z"),
+      endedAt: new Date("2026-06-29T00:00:02.500Z"),
+      toolsCalled: ["yt-dlp", "read"],
+      receiptsRead: ["fable.model_access.receipt.v1"],
+      receiptsWritten: ["fable.agent_run.trace.v1"],
+      tokensIn: 100,
+      tokensOut: 20,
+      decision: "ok",
+    });
+
+    writeAgentRunTraceReceipt(out, receipt);
+
+    expect(JSON.parse(fs.readFileSync(out, "utf-8"))).toMatchObject({
+      schema: "fable.agent_run.trace.v1",
+      runId: "run-1",
+      latencyMs: 2500,
+      deployAttempted: false,
+    });
+  });
+
   it("writes and tallies two-implementer duel receipts", () => {
     const dir = tmpRoot();
     writeDuelEvalReceipt(path.join(dir, "one.json"), createDuelEvalReceipt({ task: "fix bug", a: "pi", b: "codex", winner: "a", reason: "tests passed", now: new Date("2026-06-21T00:00:00.000Z") }));

src/fable5/eval-trace.ts

@@ -15,6 +15,37 @@ export interface EvalTraceReceipt {
   createdAt: string;
 }
 
+export interface AgentRunTraceReceipt {
+  schema: "fable.agent_run.trace.v1";
+  runId: string;
+  task: string;
+  startedAt: string;
+  endedAt: string;
+  toolsCalled: string[];
+  receiptsRead: string[];
+  receiptsWritten: string[];
+  tokensIn?: number;
+  tokensOut?: number;
+  latencyMs: number;
+  decision: "ok" | "needs-human" | "blocked" | "failed";
+  reasons: string[];
+  deployAttempted: false;
+}
+
+export interface AgentRunTraceOptions {
+  runId: string;
+  task: string;
+  startedAt: Date;
+  endedAt?: Date;
+  toolsCalled?: string[];
+  receiptsRead?: string[];
+  receiptsWritten?: string[];
+  tokensIn?: number;
+  tokensOut?: number;
+  decision?: AgentRunTraceReceipt["decision"];
+  reasons?: string[];
+}
+
 export interface DuelEvalReceipt {
   schema: "fable.eval.duel.v1";
   task: string;
@@ -63,6 +94,34 @@ export function createEvalTraceReceipt(task: string, repo: string, commands: Eva
   };
 }
 
+export function createAgentRunTraceReceipt(opts: AgentRunTraceOptions): AgentRunTraceReceipt {
+  const endedAt = opts.endedAt ?? new Date();
+  const latencyMs = Math.max(0, endedAt.getTime() - opts.startedAt.getTime());
+  return {
+    schema: "fable.agent_run.trace.v1",
+    runId: opts.runId,
+    task: opts.task,
+    startedAt: opts.startedAt.toISOString(),
+    endedAt: endedAt.toISOString(),
+    toolsCalled: opts.toolsCalled ?? [],
+    receiptsRead: opts.receiptsRead ?? [],
+    receiptsWritten: opts.receiptsWritten ?? [],
+    tokensIn: opts.tokensIn,
+    tokensOut: opts.tokensOut,
+    latencyMs,
+    decision: opts.decision ?? "ok",
+    reasons: opts.reasons ?? [],
+    deployAttempted: false,
+  };
+}
+
+export function writeAgentRunTraceReceipt(file: string, receipt: AgentRunTraceReceipt): string {
+  fs.mkdirSync(path.dirname(file), { recursive: true });
+  fs.writeFileSync(file, `${JSON.stringify(receipt, null, 2)}
+`);
+  return file;
+}
+
 export function writeEvalTraceReceipt(file: string, receipt: EvalTraceReceipt): string {
   fs.mkdirSync(path.dirname(file), { recursive: true });
   fs.writeFileSync(file, `${JSON.stringify(receipt, null, 2)}\n`);

src/fable5/index.ts

@@ -75,8 +75,8 @@ export type { MemoryBCellEntry, MemoryBCellResult, MemoryBCellStats } from "./me
 export { checkReceiptHealth } from "./receipt-consumer.js";
 export type { ReceiptHealth } from "./receipt-consumer.js";
 
-export { createDuelEvalReceipt, createEvalTraceReceipt, gradeSetRecovery, gradeVerifiableReward, tallyDuelReceipts, writeDuelEvalReceipt, writeEvalTraceReceipt } from "./eval-trace.js";
+export { createAgentRunTraceReceipt, createDuelEvalReceipt, createEvalTraceReceipt, gradeSetRecovery, gradeVerifiableReward, tallyDuelReceipts, writeAgentRunTraceReceipt, writeDuelEvalReceipt, writeEvalTraceReceipt } from "./eval-trace.js";
-export type { DuelEvalReceipt, DuelTally, EvalTraceCommand, EvalTraceReceipt, SetGradeReceipt, VerifiableRewardReceipt } from "./eval-trace.js";
+export type { AgentRunTraceOptions, AgentRunTraceReceipt, DuelEvalReceipt, DuelTally, EvalTraceCommand, EvalTraceReceipt, SetGradeReceipt, VerifiableRewardReceipt } from "./eval-trace.js";
 
 export { loadBenchHarnesses, runAgentBench, writeAgentBenchReceipt } from "./agent-bench.js";
 export type { AgentBenchOptions, AgentBenchReceipt, BenchContenderId, BenchContenderResult, BenchHarnessConfig, BenchmarkHygiene } from "./agent-bench.js";