fix(pty): replace moment with native Date timestamps

Remove runtime moment usage to avoid CommonJS default-export interop failures in ESM mode.

Update session typing, health payload, tests, and dependency manifests; closes #29.

Author: shekohex

.opencode/opencode.json

@@ -1,4 +1,5 @@
 {
   "$schema": "https://opencode.ai/config.json",
-  "instructions": ["README.md"]
+  "instructions": ["README.md"],
+  "plugin": ["../index.ts"]
 }

bun.lock

@@ -83,7 +83,6 @@
     "@opencode-ai/plugin": "^1.3.13",
     "@opencode-ai/sdk": "^1.3.13",
     "bun-pty": "^0.4.8",
-    "moment": "^2.30.1",
     "open": "^11.0.0"
   }
 }

package.json

@@ -2,7 +2,6 @@ import { spawn, type IPty } from 'bun-pty'
 import { RingBuffer } from './buffer.ts'
 import type { PTYSession, PTYSessionInfo, SpawnOptions } from './types.ts'
 import { DEFAULT_TERMINAL_COLS, DEFAULT_TERMINAL_ROWS } from '../constants.ts'
-import moment from 'moment'
 
 const SESSION_ID_BYTE_LENGTH = 4
 
@@ -34,7 +33,7 @@ export class SessionLifecycleManager {
       env: opts.env,
       status: 'running',
       pid: 0, // will be set after spawn
-      createdAt: moment(),
+      createdAt: new Date(),
       parentSessionId: opts.parentSessionId,
       parentAgent: opts.parentAgent,
       notifyOnExit: opts.notifyOnExit ?? false,
@@ -154,7 +153,7 @@ export class SessionLifecycleManager {
       exitCode: session.exitCode,
       exitSignal: session.exitSignal,
       pid: session.pid,
-      createdAt: session.createdAt.toISOString(true),
+      createdAt: session.createdAt.toISOString(),
       lineCount: session.buffer.length,
     }
   }

src/plugin/pty/session-lifecycle.ts

@@ -1,6 +1,5 @@
 import type { IPty } from 'bun-pty'
 import type { RingBuffer } from './buffer.ts'
-import type moment from 'moment'
 
 export type PTYStatus = 'running' | 'exited' | 'killing' | 'killed'
 
@@ -16,7 +15,7 @@ export interface PTYSession {
   exitCode?: number
   exitSignal?: number | string
   pid: number
-  createdAt: moment.Moment
+  createdAt: Date
   parentSessionId: string
   parentAgent?: string
   notifyOnExit: boolean

src/plugin/pty/types.ts

@@ -1,4 +1,3 @@
-import moment from 'moment'
 import { manager } from '../../../plugin/pty/manager.ts'
 import { JsonResponse } from './responses.ts'
 import type { HealthResponse } from '../../shared/types.ts'
@@ -13,7 +12,7 @@ export function handleHealth(server: Bun.Server<undefined>) {
 
   const healthResponse: HealthResponse = {
     status: 'healthy',
-    timestamp: moment().toISOString(true),
+    timestamp: new Date().toISOString(),
     uptime: process.uptime(),
     sessions: {
       total: totalSessions,

src/web/server/handlers/health.ts

@@ -1,6 +1,5 @@
 import { describe, expect, it, mock } from 'bun:test'
 import type { OpencodeClient } from '@opencode-ai/sdk'
-import moment from 'moment'
 import { RingBuffer } from '../src/plugin/pty/buffer.ts'
 import { NotificationManager } from '../src/plugin/pty/notification-manager.ts'
 import type { PTYSession } from '../src/plugin/pty/types.ts'
@@ -26,7 +25,7 @@ function createSession(overrides: Partial<PTYSession> = {}): PTYSession {
     workdir: '/tmp',
     status: 'running',
     pid: 12345,
-    createdAt: moment(),
+    createdAt: new Date(),
     parentSessionId: 'parent-session-id',
     parentAgent: 'agent-two',
     notifyOnExit: true,

test/notification-manager.test.ts

@@ -4,7 +4,6 @@ import { ptyRead } from '../src/plugin/pty/tools/read.ts'
 import { ptyList } from '../src/plugin/pty/tools/list.ts'
 import { RingBuffer } from '../src/plugin/pty/buffer.ts'
 import { manager } from '../src/plugin/pty/manager.ts'
-import moment from 'moment'
 
 describe('PTY Tools', () => {
   afterAll(() => {
@@ -20,7 +19,7 @@ describe('PTY Tools', () => {
         workdir: opts.workdir || '/tmp',
         pid: 12345,
         status: 'running',
-        createdAt: moment().toISOString(true),
+        createdAt: new Date().toISOString(),
         lineCount: 0,
       }))
     })
@@ -116,7 +115,7 @@ describe('PTY Tools', () => {
         workdir: '/tmp',
         status: 'running',
         pid: 12345,
-        createdAt: moment().toISOString(true),
+        createdAt: new Date().toISOString(),
         lineCount: 2,
       })
       spyOn(manager, 'read').mockReturnValue({
@@ -228,7 +227,7 @@ describe('PTY Tools', () => {
           pid: 12345,
           lineCount: 10,
           workdir: '/tmp',
-          createdAt: moment('2023-01-01T00:00:00Z').toISOString(true),
+          createdAt: new Date('2023-01-01T00:00:00Z').toISOString(),
         },
       ]
       spyOn(manager, 'list').mockReturnValue(mockSessions)

test/pty-tools.test.ts

@@ -6,7 +6,6 @@ import {
   type WSMessageServerSessionList,
 } from '../src/web/shared/types.ts'
 import type { PTYSessionInfo } from '../src/plugin/pty/types.ts'
-import moment from 'moment'
 
 describe('Web Types', () => {
   describe('WSMessage', () => {
@@ -29,7 +28,7 @@ describe('Web Types', () => {
           status: 'running',
           pid: 1234,
           lineCount: 5,
-          createdAt: moment().toISOString(true),
+          createdAt: new Date().toISOString(),
           args: ['hello'],
           workdir: '/home/user',
         },
@@ -65,7 +64,7 @@ describe('Web Types', () => {
         exitCode: 0,
         pid: 1234,
         lineCount: 2,
-        createdAt: moment().toISOString(true),
+        createdAt: new Date().toISOString(),
         args: ['Hello, World!'],
         workdir: '/home/user',
       }
@@ -88,7 +87,7 @@ describe('Web Types', () => {
         status: 'running',
         pid: 5678,
         lineCount: 0,
-        createdAt: moment('2026-01-21T10:00:00.000Z').toISOString(true),
+        createdAt: new Date('2026-01-21T10:00:00.000Z').toISOString(),
         args: ['Hello, World!'],
         workdir: '/home/user',
       }