diff --git a/src-tauri/resources/onboarding/.agents/skills/lian-jing/SKILL.md b/src-tauri/resources/onboarding/.agents/skills/lian-jing/SKILL.md
index 87655d7..f0234aa 100644
--- a/src-tauri/resources/onboarding/.agents/skills/lian-jing/SKILL.md
+++ b/src-tauri/resources/onboarding/.agents/skills/lian-jing/SKILL.md
@@ -5,7 +5,7 @@ description: 读取炼境项目健康状态，并使用炼境 MCP 的项目管
 
 # 炼境项目技能
 
-开始项目工作时，先读取根 `AGENTS.md` 与 `.claude/liangjing.json` 取得 `project_id`。
+开始项目工作时，先读取根 `AGENTS.md` 与 `.lian-jing/context.json` 取得 `project_id`。`.claude/liangjing.json` 仅为旧项目的 Claude 兼容投影，不能作为长期身份来源。
 
 如果当前客户端已发现 `lian-jing` MCP：
 
diff --git a/src-tauri/src/commands/onboarding.rs b/src-tauri/src/commands/onboarding.rs
index fb36662..3e5eccc 100644
--- a/src-tauri/src/commands/onboarding.rs
+++ b/src-tauri/src/commands/onboarding.rs
@@ -547,10 +547,15 @@ fn check_codex_mcp(content: Option<&str>) -> (bool, String) {
 
 fn check_skill(content: Option<&str>) -> (bool, String) {
     match content {
-        Some(content) if content.contains("name: lian-jing") => (true, "炼境项目技能已分发".into()),
+        Some(content)
+            if content.contains("name: lian-jing")
+                && content.contains(".lian-jing/context.json") =>
+        {
+            (true, "炼境项目技能已分发，并使用 canonical context".into())
+        }
         _ => (
             false,
-            "缺少 .agents/skills/lian-jing/SKILL.md——重跑接入包".into(),
+            "缺少炼境项目技能，或其未使用 .lian-jing/context.json——重跑接入包升级".into(),
         ),
     }
 }
@@ -1099,6 +1104,19 @@ mod tests {
         );
     }
 
+    #[test]
+    fn skill_check_requires_canonical_context() {
+        let legacy = "---\nname: lian-jing\n---\n读取 .claude/liangjing.json";
+        assert!(
+            !check_skill(Some(legacy)).0,
+            "旧 Claude 身份来源不能被误报为已接入"
+        );
+        assert!(
+            check_skill(Some(TMPL_LIANJING_SKILL)).0,
+            "当前接入包 skill 必须使用 canonical context"
+        );
+    }
+
     /// 回归：空路径登记曾把接入包写进炼境进程 cwd（src-tauri/，2026-07-15 批量实调实锤）。
     #[test]
     fn apply_rejects_empty_or_missing_path() {