feat: 添加 GitHub 集成命令（issue、share、autofix-pr）

- /issue: 通过 gh CLI 创建 GitHub issue，支持标签/指派
- /share: 会话日志分享到 GitHub Gist，支持密钥脱敏
- /autofix-pr: 自动修复 CI 失败的 PR，进度追踪
- launchCommand: 共享命令启动器

Co-Authored-By: glm-5-turbo <zai-org@claude-code-best.win>

src/commands/autofix-pr/__tests__/monitorState.test.ts

@@ -0,0 +1,79 @@
+import { beforeEach, describe, expect, test } from 'bun:test'
+import {
+  clearActiveMonitor,
+  getActiveMonitor,
+  isMonitoring,
+  setActiveMonitor,
+  trySetActiveMonitor,
+} from '../monitorState.js'
+
+function makeState(
+  overrides?: Partial<Parameters<typeof setActiveMonitor>[0]>,
+) {
+  return {
+    taskId: 'task-1',
+    owner: 'acme',
+    repo: 'myrepo',
+    prNumber: 42,
+    abortController: new AbortController(),
+    startedAt: Date.now(),
+    ...overrides,
+  }
+}
+
+describe('monitorState', () => {
+  beforeEach(() => {
+    clearActiveMonitor()
+  })
+
+  test('getActiveMonitor returns null when nothing set', () => {
+    expect(getActiveMonitor()).toBeNull()
+  })
+
+  test('setActiveMonitor stores state and getActiveMonitor returns it', () => {
+    const state = makeState()
+    setActiveMonitor(state)
+    expect(getActiveMonitor()).toBe(state)
+  })
+
+  test('clearActiveMonitor resets state to null', () => {
+    setActiveMonitor(makeState())
+    clearActiveMonitor()
+    expect(getActiveMonitor()).toBeNull()
+  })
+
+  test('isMonitoring returns true for matching owner/repo/prNumber', () => {
+    setActiveMonitor(makeState())
+    expect(isMonitoring('acme', 'myrepo', 42)).toBe(true)
+  })
+
+  test('isMonitoring returns false when not monitoring', () => {
+    expect(isMonitoring('acme', 'myrepo', 42)).toBe(false)
+  })
+
+  test('setActiveMonitor throws when already active', () => {
+    setActiveMonitor(makeState())
+    expect(() => setActiveMonitor(makeState({ prNumber: 99 }))).toThrow(
+      /Monitor already active/,
+    )
+  })
+
+  test('clearActiveMonitor calls abort on the controller', () => {
+    const abortController = new AbortController()
+    setActiveMonitor(makeState({ abortController }))
+    clearActiveMonitor()
+    expect(abortController.signal.aborted).toBe(true)
+  })
+
+  test('trySetActiveMonitor returns true when no active monitor', () => {
+    expect(trySetActiveMonitor(makeState())).toBe(true)
+    expect(getActiveMonitor()).not.toBeNull()
+  })
+
+  test('trySetActiveMonitor returns false when monitor already active', () => {
+    expect(trySetActiveMonitor(makeState({ prNumber: 1 }))).toBe(true)
+    expect(trySetActiveMonitor(makeState({ prNumber: 2 }))).toBe(false)
+    // First state remains
+    expect(getActiveMonitor()?.prNumber).toBe(1)
+  })
+})