diff --git a/scripts/selftest.mjs b/scripts/selftest.mjs
index 4771f1f..1079d47 100644
--- a/scripts/selftest.mjs
+++ b/scripts/selftest.mjs
@@ -265,6 +265,49 @@ check("情緒事件寫進 journal", pl.readJsonl(pl.journalPath("alpha")).some((
       fs.readFileSync(catFile, "utf8").includes("換成別則了。"));
 }
 
+// 慣例：程序性記憶。其餘型別都是「記得的事」，慣例是「每次都這樣做的事」
+console.log("⑤-b 習慣記憶（--type habit）");
+{
+  check("habit 是合法型別", cli(["consolidate", "--persona", "alpha", "--session", S_HOST,
+    "--name", "不說再見", "--type", "habit", "--salience", "60",
+    "--body", "我們之間結束對話不說再見，直接停。"]).status === 0);
+  check("寫進去的型別真的是 habit", (() => {
+    const meta = pl.longTermEntries("alpha").find((m) => m._name === "不說再見");
+    return meta?.type === "habit";
+  })(), JSON.stringify(pl.longTermEntries("alpha").map((m) => `${m._name}:${m.type}`)));
+  check("慣例每輪注入，不必被問到（照做，不用提起它）", (() => {
+    const ctx = pl.turnContext("alpha", S_HOST, "今天先這樣");
+    return ctx.includes("我們之間的慣例") && ctx.includes("不說再見") && ctx.includes("照做，不用提起它");
+  })(), pl.turnContext("alpha", S_HOST, "今天先這樣").slice(0, 400));
+  check("慣例是背景不是話題（講出來就變成在討論它）",
+    pl.habitBrief("alpha").includes("慣例是背景不是話題"));
+  check("recall 也找得到（型別不影響檢索）",
+    pl.recall("alpha", "再見", 5).some((r) => r._name === "不說再見"),
+    JSON.stringify(pl.recall("alpha", "再見", 5).map((r) => r._name)));
+  check("一輪最多兩條（慣例是背景，不是清單）", (() => {
+    for (const n of ["先講結論", "不催回覆", "週五不談公事"]) {
+      cli(["consolidate", "--persona", "alpha", "--session", S_HOST, "--name", n,
+        "--type", "habit", "--salience", "60", "--body", `我們之間${n}。`]);
+    }
+    return pl.standingHabits("alpha").length === pl.HABIT_INJECT_MAX;
+  })(), JSON.stringify(pl.standingHabits("alpha")));
+  check("糊掉的慣例不注入（想不起來的慣例就不是慣例）", (() => {
+    const file = path.join(pl.longTermDir("alpha"), "不說再見.md");
+    const raw = fs.readFileSync(file, "utf8");
+    // 讓它很舊、強度很低 → 掉到 fuzzy
+    fs.writeFileSync(file, raw
+      .replace(/^salience:.*$/m, "salience: 20")
+      .replace(/^strength:.*$/m, "strength: 1")
+      .replace(/^last_seen:.*$/m, "last_seen: 2020-01-01T00:00:00.000Z"));
+    const meta = pl.longTermEntries("alpha").find((m) => m._name === "不說再見");
+    const faded = pl.memoryStrength(meta).state === "fuzzy";
+    const gone = !pl.standingHabits("alpha", { limit: 9 }).some((h) => h.name === "不說再見");
+    fs.writeFileSync(file, raw);
+    return faded && gone;
+  })());
+  check("沒有慣例的人格整段不出現", pl.habitBrief("calmsplit") === "");
+}
+
 console.log("⑥ 短期 → 長期的轉入條件");
 check("有六條成文條件", pl.PROMOTION_RULES.length === 6);
 check("R1 高顯著度會成為候選",