diff --git a/.openclaw-sync/source.json b/.openclaw-sync/source.json
index 7e0201e55..793f40ee8 100644
--- a/.openclaw-sync/source.json
+++ b/.openclaw-sync/source.json
@@ -1,5 +1,5 @@
 {
   "repository": "openclaw/openclaw",
-  "sha": "582debbec845f1507120a3e174cf5e040a95b5ca",
-  "syncedAt": "2026-04-27T21:33:53.369Z"
+  "sha": "a8c548f4f33e34ed05682f7ade4ed59ac8c1d9af",
+  "syncedAt": "2026-04-27T21:35:27.419Z"
 }
diff --git a/docs/.generated/plugin-sdk-api-baseline.sha256 b/docs/.generated/plugin-sdk-api-baseline.sha256
index 26fd1bcf8..273b5e4ee 100644
--- a/docs/.generated/plugin-sdk-api-baseline.sha256
+++ b/docs/.generated/plugin-sdk-api-baseline.sha256
@@ -1,2 +1,2 @@
-5b59db88172a184e0cbac3301c51304686b6184c952ae5ed9f09b001dd65e3f3  plugin-sdk-api-baseline.json
-a195e76ddd1e09cb4023b247a684cd4e93c2662971adb4378ec126a78c537582  plugin-sdk-api-baseline.jsonl
+1fb6adb8edadd5ec27c0c4866478f6919bc33ce38816d28f3548fc7cac9dacb9  plugin-sdk-api-baseline.json
+0840e1f2a59b8b660f58ab1810dc333b6b535e3235fdbb377da6f1e913fb1a87  plugin-sdk-api-baseline.jsonl
diff --git a/docs/plugins/sdk-subpaths.md b/docs/plugins/sdk-subpaths.md
index bbd13571c..63ee84e7c 100644
--- a/docs/plugins/sdk-subpaths.md
+++ b/docs/plugins/sdk-subpaths.md
@@ -71,7 +71,7 @@ For the plugin authoring guide, see [Plugin SDK overview](/plugins/sdk-overview)
     | `plugin-sdk/interactive-runtime` | Semantic message presentation, delivery, and legacy interactive reply helpers. See [Message Presentation](/plugins/message-presentation) |
     | `plugin-sdk/channel-inbound` | Compatibility barrel for inbound debounce, mention matching, mention-policy helpers, and envelope helpers |
     | `plugin-sdk/channel-inbound-debounce` | Narrow inbound debounce helpers |
-    | `plugin-sdk/channel-mention-gating` | Narrow mention-policy and mention text helpers without the broader inbound runtime surface |
+    | `plugin-sdk/channel-mention-gating` | Narrow mention-policy, mention marker, and mention text helpers without the broader inbound runtime surface |
     | `plugin-sdk/channel-envelope` | Narrow inbound envelope formatting helpers |
     | `plugin-sdk/channel-location` | Channel location context and formatting helpers |
     | `plugin-sdk/channel-logging` | Channel logging helpers for inbound drops and typing/ack failures |
@@ -170,7 +170,7 @@ For the plugin authoring guide, see [Plugin SDK overview](/plugins/sdk-overview)
     | `plugin-sdk/approval-runtime` | Exec/plugin approval helpers, approval-capability builders, auth/profile helpers, native routing/runtime helpers, and structured approval display path formatting |
     | `plugin-sdk/reply-runtime` | Shared inbound/reply runtime helpers, chunking, dispatch, heartbeat, reply planner |
     | `plugin-sdk/reply-dispatch-runtime` | Narrow reply dispatch/finalize and conversation-label helpers |
-    | `plugin-sdk/reply-history` | Shared short-window reply-history helpers such as `buildHistoryContext`, `recordPendingHistoryEntry`, and `clearHistoryEntriesIfEnabled` |
+    | `plugin-sdk/reply-history` | Shared short-window reply-history helpers and markers such as `buildHistoryContext`, `HISTORY_CONTEXT_MARKER`, `recordPendingHistoryEntry`, and `clearHistoryEntriesIfEnabled` |
     | `plugin-sdk/reply-reference` | `createReplyReferencePlanner` |
     | `plugin-sdk/reply-chunking` | Narrow text/markdown chunking helpers |
     | `plugin-sdk/session-store-runtime` | Session store path, session-key, updated-at, and store mutation helpers |
@@ -257,7 +257,7 @@ For the plugin authoring guide, see [Plugin SDK overview](/plugins/sdk-overview)
     | `plugin-sdk/webhook-path` | Webhook path normalization helpers |
     | `plugin-sdk/web-media` | Shared remote/local media loading helpers |
     | `plugin-sdk/zod` | Re-exported `zod` for plugin SDK consumers |
-    | `plugin-sdk/testing` | Public extension test helpers including plugin registry/runtime mocks, schema/media/live-test helpers, `installCommonResolveTargetErrorCases`, `writeSkill`, `createTestRegistry`, and live generation env loading |
+    | `plugin-sdk/testing` | Public extension test helpers including plugin registry/runtime mocks, schema/media/live-test helpers, `installCommonResolveTargetErrorCases`, `writeSkill`, `createTestRegistry`, and live generation env loading. Extension `*.test-support.ts` helpers stay on this or focused SDK subpaths, not core internals |
   </Accordion>
 
   <Accordion title="Memory subpaths">