MosslandOpenDevs · mossland · Aug 19, 2026 · Aug 19, 2026
diff --git a/app/asset/[symbol]/why-moved/[date]/page.tsx b/app/asset/[symbol]/why-moved/[date]/page.tsx
@@ -83,8 +83,9 @@ export default async function WhyMovedPage({ params }: Props) {
             {symbol.toUpperCase()} — {date} 데이터 없음
           </h1>
           <p className="text-sm text-[var(--muted)]">
-            이 날에 추적된 가격 시그널이 없습니다. signalmap이 매 5분 윈도우 1%
-            이상 변동만 감지합니다.
+            이 날에 추적된 가격 시그널이 없습니다. signalmap 은 5분 윈도우 변동을
+            자산별 적응형 임계값(조용한 장에서는 0.2% 안팎부터)으로 감지하고, Alpha 는
+            그중 의미 있는 움직임(단일 0.5% 또는 하루 순변화 1% 이상)이 있는 날만 기사로 씁니다.
           </p>
           <p className="mt-3">
             <a href={parentHref} className="text-[var(--moss)] hover:underline">
@@ -118,7 +119,9 @@ export default async function WhyMovedPage({ params }: Props) {
     "@context": "https://schema.org",
     "@type": "NewsArticle",
     headline: article.title,
-    datePublished: date + "T00:00:00+09:00",
+    // When the article was actually written — not the URL date at midnight,
+    // which was a constant unrelated to anything that happened.
+    datePublished: article.generatedAt,
     dateModified: article.generatedAt,
     author: { "@type": "Organization", name: "Alpha by Mossland" },
     publisher: { "@type": "Organization", name: "Mossland" },
@@ -193,9 +196,11 @@ export default async function WhyMovedPage({ params }: Props) {
           <h2 className="text-base font-semibold uppercase tracking-wider text-[var(--muted)] mb-3">
             가격 시그널 ({article.pulses.length})
           </h2>
+          {/* Not compact: this is the one page whose point is causation, and
+              PulseCard hides the 사후 검증 block in compact mode. */}
           <div className="space-y-3">
             {article.pulses.map((p) => (
-              <PulseCard key={p.id} pulse={p} compact />
+              <PulseCard key={p.id} pulse={p} />
             ))}
           </div>
         </section>

diff --git a/lib/why-moved.ts b/lib/why-moved.ts
@@ -21,9 +21,53 @@ import {
   type Pulse,
 } from "./mic";
 
-const PROMPT_VERSION = "why-moved-v1";
+// v2 (2026-08-19): 24-hour KST clock, UTC stamps inside summaries rewritten,
+// confidence + 사후 검증 shown, title fixed, 3–5 points. Bumped so v1 rows are
+// not replayed from cache.
+const PROMPT_VERSION = "why-moved-v2";
 const KST_OFFSET_MS = 9 * 3600_000;
 
+/** HH:MM in KST, 24-hour. toLocaleTimeString("ko-KR") gave "오전 12:20" for
+ *  00:20 and the model wrote "12:20 KST" in the article. */
+function kstHm(iso: string): string {
+  const t = Date.parse(iso);
+  return Number.isFinite(t) ? new Date(t + KST_OFFSET_MS).toISOString().slice(11, 16) : "--:--";
+}
+/** Flatten free text for a prompt line: SignalMap writes raw UTC ISO stamps
+ *  ("2026-08-18T16:11:59.999Z 기준 …") into pulse summaries; rewrite them as
+ *  KST so the model is not handed two clocks. Cut on a sentence boundary. */
+function promptText(text: string | null | undefined, max: number): string {
+  const flat = (text ?? "")
+    .replace(/\d{4}-\d{2}-\d{2}T\d{2}:\d{2}(:\d{2}(\.\d+)?)?Z/g, (m) => `${kstHm(m)} KST`)
+    .replace(/\s+/g, " ")
+    .trim();
+  if (flat.length <= max) return flat;
+  const cut = flat.slice(0, max);
+  const at = Math.max(cut.lastIndexOf("다."), cut.lastIndexOf(". "), cut.lastIndexOf("."));
+  return at > max * 0.5 ? cut.slice(0, at + 1) : cut;
+}
+
+/**
+ * Is this day's pulse set worth an article?
+ *
+ * The cron used to build an article for every asset that had ANY pulse, and
+ * SignalMap's adaptive floor fires on ~0.2% moves on quiet days — so the site
+ * published indexed NewsArticles titled "왜 움직였나" about a 0.19% five-minute
+ * blip whose own text said the cause was unconfirmed. Require a real move.
+ */
+export const ARTICLE_MIN_SINGLE_MOVE_PCT = 0.5;
+export const ARTICLE_MIN_NET_MOVE_PCT = 1.0;
+export function articleWorthy(pulses: Pulse[]): boolean {
+  if (!pulses.length) return false;
+  const maxAbs = Math.max(...pulses.map((p) => Math.abs(p.magnitudePct)));
+  if (maxAbs >= ARTICLE_MIN_SINGLE_MOVE_PCT) return true;
+  const sorted = [...pulses].sort((a, b) => Date.parse(a.detectedAt) - Date.parse(b.detectedAt));
+  const first = sorted.find((p) => Number.isFinite(p.priceFrom))?.priceFrom;
+  const last = [...sorted].reverse().find((p) => Number.isFinite(p.priceTo))?.priceTo;
+  if (first && last) return Math.abs(((last - first) / first) * 100) >= ARTICLE_MIN_NET_MOVE_PCT;
+  return false;
+}
+
 export type WhyMovedArticle = {
   asset: string;
   date: string;
@@ -225,23 +269,26 @@ function parseWhyMovedResponse(content: string): ParsedWhyMovedResponse {
       throw new Error("response must be an object");
     }
     const value = candidate as Record<string, unknown>;
+    // The title is no longer the model's to write (see generateWhyMoved) —
+    // it authored "GLD, 6% 국채금리 급등에 0.4% 하락" over a pulse whose own
+    // 사후 검증 called the cause unconfirmed. Points: 3–5, so a one-fact day
+    // does not force two invented slots.
     if (
-      typeof value.title !== "string" ||
-      !value.title.trim() ||
       typeof value.oneLine !== "string" ||
       !value.oneLine.trim() ||
       typeof value.why !== "string" ||
       !value.why.trim() ||
       !Array.isArray(value.points) ||
-      value.points.length !== 5 ||
+      value.points.length < 3 ||
+      value.points.length > 5 ||
       !value.points.every(
         (point) => typeof point === "string" && point.trim().length > 0
       )
     ) {
       throw new Error("response does not match the why-moved schema");
     }
     return {
-      title: value.title,
+      title: typeof value.title === "string" ? value.title : "",
       oneLine: value.oneLine,
       why: value.why,
       points: value.points as string[],
@@ -303,22 +350,25 @@ export async function generateWhyMoved(
   const pulseLines = pulses
     .map((p) => {
       const dirSign = p.direction === "up" ? "+" : "-";
-      const t = new Date(p.detectedAt);
-      const timeStr = t.toLocaleTimeString("ko-KR", {
-        hour: "2-digit",
-        minute: "2-digit",
-        timeZone: "Asia/Seoul",
-      });
       // State the unit. A bare "90,557,000 → 90,735,000" for a KRW-quoted
       // pulse reads as dollars to the model, and roughly a third of active
       // pulses are KRW-quoted (BTC-KRW, USDKRW).
       const money = (n?: number) => (n == null ? "?" : fmtPulsePrice(n, p.priceUnit));
-      return `- ${timeStr} KST: ${dirSign}${Math.abs(p.magnitudePct).toFixed(2)}% (${money(p.priceFrom)} → ${money(p.priceTo)}) — ${p.summary.slice(0, 200)}`;
+      const head = `- ${kstHm(p.detectedAt)} KST: ${dirSign}${Math.abs(p.magnitudePct).toFixed(2)}% (${money(p.priceFrom)} → ${money(p.priceTo)}) [신뢰도: ${p.confidence}] — ${promptText(p.summary, 320)}`;
+      // The verifier's verdict is the most honest sentence in the data and
+      // was never shown to the model — so the article asserted causes the
+      // 사후 검증 had already called unconfirmed.
+      const verified = p.verifiedSummary ? `\n    사후 검증: ${promptText(p.verifiedSummary, 320)}` : "";
+      return head + verified;
     })
     .join("\n");
 
   const sourceLines = uniqueSources
-    .map((s) => `- ${s.title || s.url} (${s.publisher || "source"})`)
+    .map((s) => {
+      const when = s.publishedAt ? ` · 발행 ${kstHm(s.publishedAt)} KST` : "";
+      const excerpt = s.excerpt ? ` · 발췌: ${promptText(s.excerpt, 160)}` : "";
+      return `- ${s.title || s.url} (${s.publisher || "source"})${when}${excerpt}`;
+    })
     .join("\n");
 
   const prompt = `${date} 한국 시장 시각으로 "${assetLabel}이 왜 움직였나" 정리.
@@ -334,21 +384,24 @@ ${sourceLines}
 
 스키마:
 {
-  "title": "오늘 ${assetLabel}는 왜 움직였나? — ${date} (≤60자)",
   "oneLine": "한 줄 결론 (≤80자, 사실 + 인사이트)",
   "why": "왜 중요한가 (≤120자)",
   "points": [
     "확인된 사실 (≤50자)",
-    "가능한 원인 (≤50자)",
-    "다른 해석 (≤50자)",
-    "연결된 자산/매크로 (≤50자)",
+    "가능한 원인 (≤50자) — 자료에 있을 때만",
+    "다른 해석 (≤50자) — 자료에 있을 때만",
+    "연결된 자산/매크로 (≤50자) — 자료에 있을 때만",
     "아직 불확실한 것 (≤50자)"
   ]
 }
+points 는 3~5개. 해당 근거가 자료에 없는 슬롯은 생략하고, 슬롯끼리 같은 말을 반복하지 않는다.
 
 규칙:
 - 한국어 출력
 - 가격 권유 X · 정치 비방 X · 단정 X
+- 위 자료의 시각은 전부 KST 다. 시차·경과 시간을 계산하지 말고 표기된 시각만 쓴다.
+- 변동률·가격은 위 시그널 줄의 수치 그대로. 여러 건을 합산하지 않는다.
+- 사후 검증이 인과를 부정하거나 미확인으로 두면 한 줄 결론에서 그 원인을 단정하지 않는다. speculative 시그널은 원인 서술 대신 미확인으로 쓴다.
 - pulse summary와 보도 내용 *구체적*으로 인용
 - generic 문구 X
 - "...로 보임", "~가능성" 어휘`;
@@ -375,7 +428,10 @@ ${sourceLines}
   const article: WhyMovedArticle = {
     asset,
     date,
-    title: parsed.title,
+    // Deterministic — the intended SEO form (scripts/audit-baseline.ts Q1),
+    // and it takes the whole class of model-authored causal titles off the
+    // table.
+    title: `오늘 ${assetLabel}는 왜 움직였나? — ${date}`,
     oneLine: parsed.oneLine,
     why: parsed.why,
     points: parsed.points,

diff --git a/scripts/generate-why-moved.ts b/scripts/generate-why-moved.ts
@@ -142,6 +142,9 @@ async function main(parsed: ParsedArgs) {
     kstDateForTimestamp,
     kstDayBounds,
     listAllWhyMoved,
+    articleWorthy,
+    ARTICLE_MIN_SINGLE_MOVE_PCT,
+    ARTICLE_MIN_NET_MOVE_PCT,
   } = await import("../lib/why-moved");
   const { formatPulseLoadDiagnostics, getAllPulses, getPulseLoadDiagnostics } =
     await import("../lib/mic");
@@ -178,7 +181,7 @@ async function main(parsed: ParsedArgs) {
   }
   const combos = new Map<
     string,
-    { asset: string; date: string; pulseIds: string[] }
+    { asset: string; date: string; pulseIds: string[]; pulses: typeof pulses }
   >();
   for (const p of pulses) {
     // getAllPulses() already rejects pulses without a parseable detectedAt.
@@ -187,9 +190,16 @@ async function main(parsed: ParsedArgs) {
     const asset = p.asset.toLowerCase();
     const key = `${asset}|${date}`;
     const combo = combos.get(key);
-    if (combo) combo.pulseIds.push(p.id);
-    else combos.set(key, { asset, date, pulseIds: [p.id] });
+    if (combo) { combo.pulseIds.push(p.id); combo.pulses.push(p); }
+    else combos.set(key, { asset, date, pulseIds: [p.id], pulses: [p] });
   }
+  // A day whose biggest five-minute move is 0.2% does not get a "왜 움직였나"
+  // article — see articleWorthy(). Counted, not silent.
+  let filteredQuiet = 0;
+  for (const [key, combo] of [...combos.entries()]) {
+    if (!articleWorthy(combo.pulses)) { combos.delete(key); filteredQuiet++; }
+  }
+  console.log(`Asset-days: ${combos.size} worth an article, ${filteredQuiet} too quiet (max move < ${ARTICLE_MIN_SINGLE_MOVE_PCT}% and net < ${ARTICLE_MIN_NET_MOVE_PCT}%)`);
 
   const samePulseIds = (
     stored: { id: string }[],