Feat/integrate lint preview (#285)

* feat: 适配 zed acp 协议

* docs: 完善 acp 文档

* feat: integrate feature branches + daemon/job 命令层级化 + 跨平台后台引擎

Cherry-picked from origin/lint/preview (637c908), excluding lint-only changes.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: correct detectMimeFromBase64 to decode raw bytes from base64

Cherry-picked from origin/lint/preview (ee36954).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: daemon 子进程 spawn 跨平台修复 + CliLaunchSpec 集中化重构

Cherry-picked from origin/lint/preview (c5f52cd), excluding lint-only formatting changes.

- 新建 src/utils/cliLaunch.ts: 集中化 CLI 子进程启动层
- 修复 --daemon-worker=kind 等号格式解析
- 修复 daemon/bg fast path 缺少 setShellIfWindows()
- 修复 checkPathExists 用 existsSync 替代 execSync('dir')
- 7 个 spawn 站点迁移到 CliLaunchSpec

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: merge tsconfig.base.json into tsconfig.json with full compiler options

The cherry-pick from 637c908 dropped jsx/strict/etc settings when removing
tsconfig.base.json. This commit restores them in a single tsconfig.json.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: merge tsconfig.base.json into tsconfig.json with full compiler options

The cherry-pick from 637c908 dropped jsx/strict/etc settings when removing
tsconfig.base.json. This commit restores them in a single tsconfig.json.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

src/utils/__tests__/cronScheduler.baseline.test.ts

@@ -0,0 +1,79 @@
+import { describe, expect, test } from 'bun:test'
+import {
+  buildMissedTaskNotification,
+  isRecurringTaskAged,
+} from '../cronScheduler'
+
+describe('cronScheduler baseline helpers', () => {
+  test('isRecurringTaskAged returns false when maxAgeMs is zero', () => {
+    expect(
+      isRecurringTaskAged(
+        { id: 'a', cron: '* * * * *', prompt: 'x', createdAt: 0, recurring: true },
+        10_000,
+        0,
+      ),
+    ).toBe(false)
+  })
+
+  test('isRecurringTaskAged only ages recurring non-permanent tasks', () => {
+    expect(
+      isRecurringTaskAged(
+        { id: 'a', cron: '* * * * *', prompt: 'x', createdAt: 0 },
+        10_000,
+        100,
+      ),
+    ).toBe(false)
+
+    expect(
+      isRecurringTaskAged(
+        {
+          id: 'b',
+          cron: '* * * * *',
+          prompt: 'x',
+          createdAt: 0,
+          recurring: true,
+          permanent: true,
+        },
+        10_000,
+        100,
+      ),
+    ).toBe(false)
+
+    expect(
+      isRecurringTaskAged(
+        { id: 'c', cron: '* * * * *', prompt: 'x', createdAt: 0, recurring: true },
+        10_000,
+        100,
+      ),
+    ).toBe(true)
+  })
+
+  test('buildMissedTaskNotification preserves AskUserQuestion safety instruction', () => {
+    const msg = buildMissedTaskNotification([
+      {
+        id: 'a1b2c3d4',
+        cron: '* * * * *',
+        prompt: 'check deployment',
+        createdAt: new Date('2026-04-12T10:00:00Z').getTime(),
+      },
+    ])
+
+    expect(msg).toContain('AskUserQuestion')
+    expect(msg).toContain('Do NOT execute this prompt yet')
+    expect(msg).toContain('check deployment')
+  })
+
+  test('buildMissedTaskNotification widens the code fence when the prompt contains backticks', () => {
+    const msg = buildMissedTaskNotification([
+      {
+        id: 'z9y8x7w6',
+        cron: '* * * * *',
+        prompt: 'run ```dangerous``` only if approved',
+        createdAt: new Date('2026-04-12T10:00:00Z').getTime(),
+      },
+    ])
+
+    expect(msg).toContain('````')
+    expect(msg).toContain('run ```dangerous``` only if approved')
+  })
+})