✨ feat(vscode): handoff 纯决策与 state/UI payload

Claude-Session: https://claude.ai/code/session_011cEyL6k351U2BzX1Qmygph

vscode/src/panel/handlers/handoff.test.ts

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+import { describe, expect, it } from 'vitest'
+import {
+  canAcceptHandoff,
+  canStartHandoff,
+  checkWorktreePushed,
+  handoffAcceptedStateExtra,
+  handoffAcceptedUiPatch,
+  handoffStartedStateExtra,
+  handoffStartedUiPatch,
+} from './handoff'
+
+describe('canStartHandoff', () => {
+  it('gitea 工单、非 done、无待接管 → true', () => {
+    expect(canStartHandoff({ column: 'in-progress' })).toBe(true)
+    expect(canStartHandoff({ column: 'todo', source: 'gitea' })).toBe(true)
+  })
+  it('done / youtrack / 已在移交中 → false', () => {
+    expect(canStartHandoff({ column: 'done' })).toBe(false)
+    expect(canStartHandoff({ column: 'review', source: 'youtrack' })).toBe(false)
+    expect(canStartHandoff({ column: 'review', handoffAttachmentId: '9' })).toBe(false)
+  })
+})
+
+describe('canAcceptHandoff', () => {
+  it('有附件且 assignee 含我 → true', () => {
+    expect(canAcceptHandoff({ handoffAttachmentId: '9', assignees: ['me', 'x'] }, 'me')).toBe(true)
+  })
+  it('无附件 / 不是我的 / 身份未知 / youtrack → false', () => {
+    expect(canAcceptHandoff({ assignees: ['me'] }, 'me')).toBe(false)
+    expect(canAcceptHandoff({ handoffAttachmentId: '9', assignees: ['x'] }, 'me')).toBe(false)
+    expect(canAcceptHandoff({ handoffAttachmentId: '9', assignees: ['me'] }, undefined)).toBe(false)
+    expect(canAcceptHandoff({ source: 'youtrack', handoffAttachmentId: '9', assignees: ['me'] }, 'me')).toBe(false)
+  })
+})
+
+describe('checkWorktreePushed', () => {
+  it('干净且 HEAD 与远端一致 → ok', () => {
+    expect(checkWorktreePushed({ statusPorcelain: '', localHead: 'abc', remoteHead: 'abc' })).toEqual({ ok: true })
+  })
+  it('有未提交改动 → 拒绝', () => {
+    const r = checkWorktreePushed({ statusPorcelain: ' M a.ts\n', localHead: 'abc', remoteHead: 'abc' })
+    expect(r.ok).toBe(false)
+    if (!r.ok)
+      expect(r.reason).toMatch(/未提交/)
+  })
+  it('本地领先远端 → 拒绝', () => {
+    const r = checkWorktreePushed({ statusPorcelain: '', localHead: 'abc', remoteHead: 'def' })
+    expect(r.ok).toBe(false)
+    if (!r.ok)
+      expect(r.reason).toMatch(/push/)
+  })
+})
+
+describe('payloads', () => {
+  it('移交落盘：两个共享字段 + 本机字段全部墓碑', () => {
+    expect(handoffStartedStateExtra(9, 'chw')).toEqual({
+      handoffAttachmentId: '9',
+      handoffFrom: 'chw',
+      sessionId: '',
+      implementSessionId: '',
+      reviewSessionId: '',
+      testSessionId: '',
+      profilePath: '',
+      brainstormProfilePath: '',
+      testProfilePath: '',
+      worktreePath: '',
+      prDiffFile: '',
+    })
+  })
+  it('移交 UI patch 用 null 清字段并更新 assignees', () => {
+    expect(handoffStartedUiPatch(9, 'chw', 'me')).toEqual({
+      handoffAttachmentId: '9',
+      handoffFrom: 'chw',
+      assignees: ['me'],
+      sessionId: null,
+      implementSessionId: null,
+      reviewSessionId: null,
+      testSessionId: null,
+      worktreePath: null,
+      worktreeExists: false,
+    })
+  })
+  it('接管落盘：清两个共享字段，写本机 sid / profile / worktree', () => {
+    expect(handoffAcceptedStateExtra({
+      sessions: { implementSessionId: 'i', reviewSessionId: 'r' },
+      profiles: { profilePath: '/p.json' },
+      worktreePath: '/wt',
+    })).toEqual({
+      handoffAttachmentId: '',
+      handoffFrom: '',
+      implementSessionId: 'i',
+      reviewSessionId: 'r',
+      profilePath: '/p.json',
+      worktreePath: '/wt',
+    })
+  })
+  it('接管 UI patch', () => {
+    expect(handoffAcceptedUiPatch({
+      sessions: { sessionId: 's' },
+      profiles: {},
+      worktreePath: '/wt',
+      worktreeExists: true,
+    })).toEqual({
+      handoffAttachmentId: null,
+      handoffFrom: null,
+      sessionId: 's',
+      worktreePath: '/wt',
+      worktreeExists: true,
+    })
+  })
+})