feat: export continuity hard-gate and watchdog workstream

hooks/force-recall/HOOK.md

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+---
+name: force-recall
+description: "Prepend mandatory RULEBOOK/SOUL recall block before the agent sees inbound messages"
+homepage: https://docs.openclaw.ai/automation/hooks
+metadata:
+  { "openclaw": { "emoji": "🧠", "events": ["message:preprocessed"], "always": true } }
+---
+
+# Force Recall Hook (MVP)
+
+This hook enforces a **recall gate** by prepending a short, high-salience block to every inbound message *after* media/link enrichment and *before* the agent sees it.
+
+Goal: **Before any technical action/tooling**, the agent must recall key rules from `docs/RULEBOOK.md` + `SOUL.md`.
+
+## Behavior
+
+- Listens on `message:preprocessed`
+- Injects a `RECALL_GATE` prefix into `context.bodyForAgent`
+- Optional debug: set `OPENCLAW_FORCE_RECALL_DEBUG=1` to append a one-line marker (visible in the agent prompt)
+
+## Why this MVP
+
+OpenClaw hooks currently provide reliable interception at the message boundary (`message:preprocessed`). This is the earliest stable point to force rules into the model's working context without patching core.
+
+## Disable
+
+```bash
+openclaw hooks disable force-recall
+```