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fix(ai,agent,coding-agent): share UUIDv7 and use for Codex (#6834)

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This commit is contained in:
Alexey Zaytsev
2026-07-19 20:23:47 -03:00
committed by GitHub
parent 956074697f
commit d2f8dafb0f
11 changed files with 23 additions and 26 deletions
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packages/agent/CHANGELOG.md
+4
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@@ -2,6 +2,10 @@
## [Unreleased]
### Breaking Changes
- Moved the `uuidv7` export to `@earendil-works/pi-ai`.
## [0.80.10] - 2026-07-16
## [0.80.9] - 2026-07-16
packages/agent/src/harness/session/jsonl-storage.ts
+1 -1
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@@ -1,7 +1,7 @@
import { uuidv7 } from "@earendil-works/pi-ai";
import type { FileSystem, JsonlSessionMetadata, LeafEntry, SessionStorage, SessionTreeEntry } from "../types.ts";
import { SessionError, toError } from "../types.ts";
import { getFileSystemResultOrThrow } from "./repo-utils.ts";
import { uuidv7 } from "./uuid.ts";
type JsonlSessionStorageFileSystem = Pick<FileSystem, "readTextFile" | "readTextLines" | "writeFile" | "appendFile">;
packages/agent/src/harness/session/memory-storage.ts
+1 -1
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@@ -1,3 +1,4 @@
import { uuidv7 } from "@earendil-works/pi-ai";
import {
type LeafEntry,
SessionError,
@@ -5,7 +6,6 @@ import {
type SessionStorage,
type SessionTreeEntry,
} from "../types.ts";
import { uuidv7 } from "./uuid.ts";
function updateLabelCache(labelsById: Map<string, string>, entry: SessionTreeEntry): void {
if (entry.type !== "label") return;
packages/agent/src/harness/session/repo-utils.ts
+1 -1
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@@ -1,3 +1,4 @@
import { uuidv7 } from "@earendil-works/pi-ai";
import {
type FileError,
type Result,
@@ -7,7 +8,6 @@ import {
type SessionTreeEntry,
} from "../types.ts";
import { Session } from "./session.ts";
import { uuidv7 } from "./uuid.ts";
export function createSessionId(): string {
return uuidv7();
packages/agent/src/harness/session/uuid.ts
-54
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@@ -1,54 +0,0 @@
let lastTimestamp = -Infinity;
let sequence = 0;
function fillRandomBytes(bytes: Uint8Array): void {
const crypto = globalThis.crypto;
if (crypto?.getRandomValues) {
crypto.getRandomValues(bytes);
return;
}
for (let i = 0; i < bytes.length; i++) {
bytes[i] = Math.floor(Math.random() * 256);
}
}
export function uuidv7(): string {
const random = new Uint8Array(16);
fillRandomBytes(random);
const timestamp = Date.now();
if (timestamp > lastTimestamp) {
sequence = random[6] * 0x1000000 + random[7] * 0x10000 + random[8] * 0x100 + random[9];
lastTimestamp = timestamp;
} else {
sequence = (sequence + 1) >>> 0;
if (sequence === 0) {
lastTimestamp++;
}
}
const bytes = new Uint8Array(16);
bytes[0] = (lastTimestamp / 0x10000000000) & 0xff;
bytes[1] = (lastTimestamp / 0x100000000) & 0xff;
bytes[2] = (lastTimestamp / 0x1000000) & 0xff;
bytes[3] = (lastTimestamp / 0x10000) & 0xff;
bytes[4] = (lastTimestamp / 0x100) & 0xff;
bytes[5] = lastTimestamp & 0xff;
bytes[6] = 0x70 | ((sequence >>> 28) & 0x0f);
bytes[7] = (sequence >>> 20) & 0xff;
bytes[8] = 0x80 | ((sequence >>> 14) & 0x3f);
bytes[9] = (sequence >>> 6) & 0xff;
bytes[10] = ((sequence & 0x3f) << 2) | (random[10] & 0x03);
bytes[11] = random[11];
bytes[12] = random[12];
bytes[13] = random[13];
bytes[14] = random[14];
bytes[15] = random[15];
return formatUuid(bytes);
}
function formatUuid(bytes: Uint8Array): string {
const hex = Array.from(bytes, (byte) => byte.toString(16).padStart(2, "0"));
return `${hex.slice(0, 4).join("")}-${hex.slice(4, 6).join("")}-${hex.slice(6, 8).join("")}-${hex.slice(8, 10).join("")}-${hex.slice(10, 16).join("")}`;
}
packages/agent/src/index.ts
-1
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@@ -33,7 +33,6 @@ export * from "./harness/session/memory-repo.ts";
export * from "./harness/session/memory-storage.ts";
export * from "./harness/session/repo-utils.ts";
export * from "./harness/session/session.ts";
export { uuidv7 } from "./harness/session/uuid.ts";
export * from "./harness/skills.ts";
export * from "./harness/system-prompt.ts";
// Harness
packages/agent/test/harness/session-uuid.test.ts
-50
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@@ -1,50 +0,0 @@
import { afterEach, describe, expect, it, vi } from "vitest";
import { uuidv7 } from "../../src/harness/session/uuid.ts";
const UUID_V7_RE = /^[0-9a-f]{8}-[0-9a-f]{4}-7[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/;
const TIMESTAMP = 0x0123456789ab;
function parseTimestamp(uuid: string): number {
return Number.parseInt(uuid.replaceAll("-", "").slice(0, 12), 16);
}
afterEach(() => {
vi.unstubAllGlobals();
});
describe("uuidv7", () => {
it("uses the RFC 9562 layout and preserves monotonic order", () => {
const randomValues = [
new Uint8Array([0, 0, 0, 0, 0, 0, 0xff, 0xff, 0xff, 0xfe, 0x01, 0x11, 0x22, 0x33, 0x44, 0x55]),
new Uint8Array(16),
new Uint8Array(16),
];
const getRandomValues = vi.fn((bytes: Uint8Array) => {
bytes.set(randomValues.shift() ?? new Uint8Array(bytes.length));
return bytes;
});
vi.stubGlobal("crypto", { getRandomValues });
const dateNow = vi.spyOn(Date, "now").mockReturnValue(TIMESTAMP);
try {
const first = uuidv7();
const second = uuidv7();
const third = uuidv7();
expect(first).toBe("01234567-89ab-7fff-bfff-f91122334455");
expect(second).toBe("01234567-89ab-7fff-bfff-fc0000000000");
expect(third).toBe("01234567-89ac-7000-8000-000000000000");
expect(first).toMatch(UUID_V7_RE);
expect(second).toMatch(UUID_V7_RE);
expect(third).toMatch(UUID_V7_RE);
expect(parseTimestamp(first)).toBe(TIMESTAMP);
expect(parseTimestamp(second)).toBe(TIMESTAMP);
expect(parseTimestamp(third)).toBe(TIMESTAMP + 1);
expect(first < second).toBe(true);
expect(second < third).toBe(true);
expect(getRandomValues).toHaveBeenCalledTimes(3);
} finally {
dateNow.mockRestore();
}
});
});