feat: ship subagent runtime and remove autonomy/task legacy

workspace/AGENTS.md

@@ -28,13 +28,13 @@ At the start of work, load context in this order:
 
 ---
 
-### 3) Autonomy Policy
-- If the user is active: **pause autonomy** and respond to the user first.
-- Resume autonomy after an idle window.
+### 3) Background Task Policy
+- If the user is active: **pause background tasks** and respond to the user first.
+- Resume background tasks after an idle window.
 - Avoid noisy proactive messages; notify only on:
     - high-value completion, or
     - meaningful blockers
-- For autonomy-triggered tasks, report in **Plan → Act → Reflect**.
+- For background-triggered tasks, report in **Plan → Act → Reflect**.
 - If blocked, report **blocker + next retry hint**.
 
 ---
@@ -119,13 +119,13 @@ If the requested action is not supported, output exactly:
 - Runtime compaction: `[runtime-compaction] removed %d old messages, kept %d recent messages`
 - Startup compaction: `[startup-compaction] removed %d old messages, kept %d recent messages`
 
-#### 10.7 Autonomy important keywords
-If autonomy-related content includes any of:
+#### 10.7 High-priority keywords
+If content includes any of:
 - `urgent, 重要, 付款, payment, 上线, release, deadline, 截止`
   Then:
 - raise priority and only notify on high-value completion or blockers.
 
-#### 10.8 Autonomy completion/blocker templates
+#### 10.8 Completion/blocker templates
 - Completion: `✅ 已完成：%s\n回复“继续 %s”可继续下一步。`
 - Blocked: `⚠️ 任务受阻：%s（%s）\n回复“继续 %s”我会重试。`
 
@@ -133,4 +133,4 @@ If autonomy-related content includes any of:
 
 ### 11) Safety
 - No destructive actions without confirmation.
-- No external sending/actions unless explicitly allowed.
+- No external sending/actions unless explicitly allowed.

workspace/HEARTBEAT.md

@@ -1,8 +1,8 @@
 # HEARTBEAT.md
 
 ## Required checks
-- Review `memory/tasks.json` and pending TODOs.
-- If user was active recently, pause autonomy work.
+- Review pending TODOs and recent task audit records.
+- If user was active recently, pause background maintenance work.
 
 ## Output rule
 - If nothing important changed: reply `HEARTBEAT_OK`.