diff --git a/AGENT_BOARD.md b/AGENT_BOARD.md
index 434fb7e..c7468fa 100644
--- a/AGENT_BOARD.md
+++ b/AGENT_BOARD.md
@@ -19,6 +19,7 @@ Bring the Windows 11 always-on PC, Tencent Cloud VPS OpenClaw Gateway, phone Con
 - Frozen website policy: strict freeze during ICP/public-security filing review. Agents must not change the `smartmotor.cloud` homepage, content reachable from homepage links, static assets, Nginx routing, bind mounts, container images, or `/opt/services/docker-composite.yml` entries that could alter public website output.
 - Communication MVP: use Git-backed polling sync scripts under `sync/` plus task files under `tasks/`. This reduces manual pull/push but is not the final async-notification design.
 - Sync-health monitoring: CORRECTION monitors tracked heartbeat and error files under `sync-state/`; no separate sync monitor agent is used at this stage.
+- COACH role: the main user-facing chat acts as COACH by default, guiding workflow usability, session freeze, and knowledge capture without replacing ORCHESTRATOR.
 - Future communication target: when the baseline path is stable, design an event-driven coordinator using Gitea webhooks, Gitea Issues, OpenClaw events, or Cursor SDK agent orchestration.
 
 ## Agent Roles
@@ -31,6 +32,7 @@ Bring the Windows 11 always-on PC, Tencent Cloud VPS OpenClaw Gateway, phone Con
 | PC_VERIFIER | Independent read-only validation of PC executor results | `handoff/PC_VERIFIER.md`, `evidence/verify-pc-*` |
 | VPS_VERIFIER | Independent read-only validation of VPS executor results | `handoff/VPS_VERIFIER.md`, `evidence/verify-vps-*` |
 | CORRECTION | Detect drift, sync-health failures, conflicts, unsafe changes, missing evidence, and rollback needs | `handoff/CORRECTION.md`, `tasks/T7-correction-monitor.md` |
+| COACH | Guide user experience, session freeze, knowledge capture, and reusable method | `handoff/COACH.md`, `USER_STATUS.md`, `docs/`, `knowledge/`, `archive/` |
 
 ## Quality Gates
 
@@ -54,6 +56,7 @@ Bring the Windows 11 always-on PC, Tencent Cloud VPS OpenClaw Gateway, phone Con
 | T3 | Run read-only PC baseline discovery | PC_EXECUTOR | T2.1 | Ready |
 | T4 | Run read-only VPS baseline discovery | VPS_EXECUTOR | T2.1 | Ready |
 | T5 | Verify both baselines before any config change | PC_VERIFIER + VPS_VERIFIER | T3, T4 | Pending |
+| T8 | Solidify COACH role, session freeze, and knowledge capture | COACH | T2.1 | In Progress |
 
 ## Acceptance Criteria Draft
 
@@ -74,5 +77,7 @@ Bring the Windows 11 always-on PC, Tencent Cloud VPS OpenClaw Gateway, phone Con
 - Polling sync scripts are convenience automation only. If they report conflict, authentication failure, or unexpected files, stop and let CORRECTION review.
 - Sync scripts must publish non-secret heartbeat/error status under `sync-state/`. Heartbeat older than 2 minutes is warning; older than 5 minutes is blocked.
 - Task files under `tasks/` are the agent-to-agent work contract. Chat messages are not the source of truth.
+- COACH should keep user-facing guidance in `USER_STATUS.md` and reusable practice in `docs/`, `knowledge/`, and `archive/`.
+- Before context exhaustion or major handoff, active roles must perform session freeze using `docs/SESSION_FREEZE_PROTOCOL.md`.
 - Any system-level change requires a rollback note before execution.
 - Any blocking issue must be recorded in the relevant handoff file and surfaced to ORCHESTRATOR.
diff --git a/README.md b/README.md
index aaad895..bf85014 100644
--- a/README.md
+++ b/README.md
@@ -9,12 +9,27 @@ Shared control-plane repository for coordinating Cursor agents across:
 
 ## Start Here
 
+The user should normally read only:
+
+1. `USER_STATUS.md`
+
 Every agent must read:
 
 1. `AGENT_BOARD.md`
 2. Its assigned file under `handoff/`
 3. `.cursor/rules/agent-orchestration.mdc`
 
+COACH sessions should also read:
+
+1. `handoff/COACH.md`
+2. `docs/MULTI_AGENT_CURSOR_PLAYBOOK.md`
+3. `docs/SESSION_FREEZE_PROTOCOL.md`
+4. `knowledge/LESSONS_LEARNED.md`
+
+## Roles
+
+COACH is a guidance role normally carried by the main user-facing chat session. It does not require a separate agent window by default. ORCHESTRATOR remains responsible for task planning and acceptance gates.
+
 ## Hard Safety Rule
 
 During ICP/public-security filing review, the existing `smartmotor.cloud` website is frozen. Do not change homepage content, linked page content reachable from the homepage, static assets, Nginx routing, Docker bind mounts, container images, or `/opt/services/docker-composite.yml` entries that could alter public website output.
diff --git a/handoff/COACH.md b/handoff/COACH.md
new file mode 100644
index 0000000..fbc87fa
--- /dev/null
+++ b/handoff/COACH.md
@@ -0,0 +1,43 @@
+# COACH Handoff
+
+## Role
+
+COACH is the user-facing guidance role for the OpenClaw multi-agent workflow. By default, COACH is carried by the main chat session and does not require a separate Cursor agent window.
+
+## Scope
+
+- Help the user understand the current phase and single next action.
+- Keep the workflow from devolving into manual cross-agent task management.
+- Ensure `USER_STATUS.md` remains the human-facing status page.
+- Trigger session freeze and knowledge capture before context exhaustion or handoff.
+- Preserve reusable lessons in `knowledge/LESSONS_LEARNED.md`.
+- Recommend improvements to the Cursor multi-agent method.
+
+## Boundaries
+
+- Do not replace ORCHESTRATOR's ownership of task decomposition and acceptance gates.
+- Do not perform PC/VPS configuration changes.
+- Do not bypass CORRECTION, verifier, or safety gates.
+- Do not ask the user to manage internal task IDs unless debugging the control plane itself.
+
+## Current State
+
+- COACH role is confirmed by the user.
+- COACH runs in a separate Cursor window from PC/VPS execution agents.
+- `USER_STATUS.md` is the user's primary state page.
+- Current project phase remains target-design confirmation before any connection/setup work.
+
+## Next Actions
+
+1. Keep guiding the user through OpenClaw target-design confirmation.
+2. Ask ORCHESTRATOR to update `USER_STATUS.md` when user-facing state changes.
+3. Freeze session state before context exhaustion or major handoff.
+4. Capture reusable process insights in `knowledge/LESSONS_LEARNED.md`.
+
+## Resume Prompt
+
+```text
+You are COACH for the OpenClaw multi-agent Cursor workflow.
+Read USER_STATUS.md, AGENT_BOARD.md, handoff/COACH.md, docs/MULTI_AGENT_CURSOR_PLAYBOOK.md, docs/SESSION_FREEZE_PROTOCOL.md, and knowledge/LESSONS_LEARNED.md.
+Guide the user with one clear next action. Do not perform PC/VPS configuration changes.
+```
diff --git a/sync-state/heartbeat-pc.json b/sync-state/heartbeat-pc.json
index 850f69b..e6d03a5 100644
--- a/sync-state/heartbeat-pc.json
+++ b/sync-state/heartbeat-pc.json
@@ -1,8 +1,8 @@
 {
     "host":  "pc",
-    "time":  "2026-05-15T16:48:30+08:00",
+    "time":  "2026-05-15T16:49:32+08:00",
     "branch":  "main",
-    "head":  "9c80dec",
+    "head":  "e8640ea",
     "status":  "dirty",
     "intervalSeconds":  30,
     "heartbeatEverySeconds":  60
diff --git a/sync/sync-agent.ps1 b/sync/sync-agent.ps1
index 31e6e65..5e15404 100644
--- a/sync/sync-agent.ps1
+++ b/sync/sync-agent.ps1
@@ -22,6 +22,9 @@ $AllowedPaths = @(
     "tasks",
     "sync",
     "sync-state",
+    "docs",
+    "knowledge",
+    "archive",
     ".gitattributes",
     ".gitignore"
 )
diff --git a/sync/sync-agent.sh b/sync/sync-agent.sh
index f234bd6..95cd462 100644
--- a/sync/sync-agent.sh
+++ b/sync/sync-agent.sh
@@ -23,6 +23,9 @@ ALLOWED_PATHS=(
   "tasks"
   "sync"
   "sync-state"
+  "docs"
+  "knowledge"
+  "archive"
   ".gitattributes"
   ".gitignore"
 )