diff --git a/scripts/selftest.mjs b/scripts/selftest.mjs
index 1079d47..2d85da6 100644
--- a/scripts/selftest.mjs
+++ b/scripts/selftest.mjs
@@ -308,6 +308,60 @@ console.log("⑤-b 習慣記憶（--type habit）");
   check("沒有慣例的人格整段不出現", pl.habitBrief("calmsplit") === "");
 }
 
+// 自傳章節：長期記憶與心智圖之間的時期層
+console.log("⑤-c 自傳章節（memory/chapters/）");
+{
+  check("開一段（to 空著＝還在這一段裡）", (() => {
+    const res = cli(["chapter", "add", "--session", S_HOST, "--name", "做 persona 這段",
+      "--from", "2026-07-01", "--body", "跟他一起把人格系統做起來的那段日子。"]);
+    const now = pl.currentChapter("alpha");
+    return res.status === 0 && now?.name === pl.slugify("做 persona 這段") && now.open === true;
+  })(), JSON.stringify(pl.loadChapters("alpha")));
+  check("to 沒有值就不寫那一行（不要寫成空欄位）",
+    !fs.readFileSync(pl.chapterPath("alpha", "做 persona 這段"), "utf8").includes("to:"));
+  check("現在這一段會注入，而且講明它是時期不是事件", (() => {
+    const ctx = pl.turnContext("alpha", S_HOST, "最近在忙什麼");
+    return ctx.includes("現在這一段") && ctx.includes("做 persona 這段") &&
+      ctx.includes("這是**時期**不是事件");
+  })(), pl.turnContext("alpha", S_HOST, "最近在忙什麼").slice(0, 400));
+  check("新固化的記憶自動掛在當下那一段", (() => {
+    cli(["consolidate", "--persona", "alpha", "--session", S_HOST, "--name", "章節歸屬測試",
+      "--body", "這則應該掛在做 persona 這段。"]);
+    const meta = pl.longTermEntries("alpha").find((m) => m._name === "章節歸屬測試");
+    return meta?.chapter === pl.slugify("做 persona 這段");
+  })(), JSON.stringify(pl.longTermEntries("alpha").map((m) => `${m._name}:${m.chapter || "-"}`)));
+  check("chapterMemories 查得回這一段的記憶",
+    pl.chapterMemories("alpha", "做 persona 這段").some((m) => m._name === "章節歸屬測試"));
+  check("--chapter 可以指定掛到別的一段", (() => {
+    cli(["chapter", "add", "--session", S_HOST, "--name", "在 SAO 那兩年",
+      "--from", "2022-11-06", "--to", "2024-11-07", "--body", "被關在那裡的兩年。"]);
+    cli(["consolidate", "--persona", "alpha", "--session", S_HOST, "--name", "第一次到第一層",
+      "--chapter", "在 SAO 那兩年", "--body", "第一次踏出起始城鎮。"]);
+    const meta = pl.longTermEntries("alpha").find((m) => m._name === "第一次到第一層");
+    return meta?.chapter === pl.slugify("在 SAO 那兩年");
+  })());
+  check("已收掉的段不會被當成「現在這一段」",
+    pl.currentChapter("alpha")?.name === pl.slugify("做 persona 這段"));
+  check("章節按起始日期排序（不是按檔名）", (() => {
+    const rows = pl.loadChapters("alpha");
+    return rows[0].name === pl.slugify("在 SAO 那兩年") && rows.at(-1).open === true;
+  })(), JSON.stringify(pl.loadChapters("alpha").map((c) => `${c.from}:${c.name}`)));
+  check("close 之後就沒有進行中的段了（不會退回上一段）", (() => {
+    cli(["chapter", "close", "--session", S_HOST, "--name", "做 persona 這段", "--at", "2026-08-03"]);
+    return pl.currentChapter("alpha") === null && pl.chapterBrief("alpha") === "";
+  })(), JSON.stringify(pl.loadChapters("alpha")));
+  check("chapter list 講得出每段有幾則記憶", (() => {
+    const out = cli(["chapter", "list", "--session", S_HOST]).stdout;
+    return out.includes("在 SAO 那兩年") && out.includes("記憶 1 則");
+  })(), cli(["chapter", "list", "--session", S_HOST]).stdout);
+  check("memory/chapters/ 剛好被一個區涵蓋，而且是 Wiki 區（低頻設定）", (() => {
+    const hit = gt.AREA_KEYS.filter((key) => gt.AREAS[key].paths
+      .some((p) => (p.endsWith("/") ? "memory/chapters/x.md".startsWith(p) : "memory/chapters/x.md" === p)));
+    return hit.length === 1 && hit[0] === "wiki";
+  })(), JSON.stringify(gt.AREA_KEYS.filter((key) => gt.AREAS[key].paths
+    .some((p) => (p.endsWith("/") ? "memory/chapters/x.md".startsWith(p) : "memory/chapters/x.md" === p)))));
+}
+
 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",