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/taskSummary.ts

@@ -1,3 +1,78 @@
-// Auto-generated stub — replace with real implementation
-export const shouldGenerateTaskSummary: () => boolean = () => false;
-export const maybeGenerateTaskSummary: (options: Record<string, unknown>) => void = () => {};
+import { feature } from 'bun:bundle'
+import { isBgSession, updateSessionActivity } from './concurrentSessions.js'
+import { logForDebugging } from './debug.js'
+
+/**
+ * Minimum interval between task summary generations (ms).
+ * Prevents excessive updates during rapid tool-call loops.
+ */
+const SUMMARY_INTERVAL_MS = 30_000
+
+let lastSummaryTime = 0
+
+/**
+ * Whether a task summary should be generated this turn.
+ * Only generates in bg sessions, and rate-limits to avoid churn.
+ */
+export function shouldGenerateTaskSummary(): boolean {
+  if (!feature('BG_SESSIONS')) return false
+  if (!isBgSession()) return false
+
+  const now = Date.now()
+  return now - lastSummaryTime >= SUMMARY_INTERVAL_MS
+}
+
+/**
+ * Generate a task summary from the current turn's messages and push it
+ * to the session registry so `claude ps` can display live status.
+ *
+ * Fire-and-forget from query.ts — errors are logged, never thrown.
+ */
+export function maybeGenerateTaskSummary(
+  options: Record<string, unknown>,
+): void {
+  lastSummaryTime = Date.now()
+
+  try {
+    const messages = options.forkContextMessages as
+      | Array<{
+          type: string
+          message?: { content?: unknown }
+        }>
+      | undefined
+
+    if (!messages || messages.length === 0) return
+
+    // Extract a short status from the most recent assistant message
+    const lastAssistant = [...messages]
+      .reverse()
+      .find(m => m.type === 'assistant')
+
+    let status: 'busy' | 'idle' = 'busy'
+    let waitingFor: string | undefined
+
+    if (lastAssistant?.message?.content) {
+      const content = lastAssistant.message.content
+      // Check if last block is tool_use
+      if (Array.isArray(content)) {
+        const lastBlock = content[content.length - 1] as
+          | Record<string, unknown>
+          | undefined
+        if (lastBlock?.type === 'tool_use') {
+          status = 'busy'
+          waitingFor = `tool: ${lastBlock.name || 'unknown'}`
+        }
+      }
+    }
+
+    // Fire-and-forget update to session registry
+    void updateSessionActivity({
+      status,
+      waitingFor,
+    }).catch(err => {
+      logForDebugging(`[taskSummary] updateSessionActivity failed: ${err}`)
+    })
+  } catch (err) {
+    logForDebugging(`[taskSummary] error: ${err}`)
+  }
+}