S4 (a1): the media engine — VOICE templates, /desk, Ghost drafts
4a VOICE v1.1 committed (board start); lint is EXECUTABLE — banned list + no-exclamation law enforced in the engine (throws in test, drops in prod) and locked by tests. Curly-apostrophe variants covered. 4b mediaEngine: deterministic templates (MORNING WIRE, SIGNAL, STREAK WATCH, THE SETTLE, RECEIPTS, ARCHETYPE WATCH, LINE DISPATCH) filled ONLY from snapshot/ledger/streaks JSON. Record percentages never render under n>=20 (counts + 'Record building' below). Stark layer = curated committed library (content/stark-lines.json), day-rotated selection — selected, never generated. 4c /desk (founder-only: requireAuth + DESK_OWNERS email allowlist, deny-by-default): all formats as text + <=280-char pre-segmented tweets with per-tweet copy buttons + char counts, wire/numbers-only variants, DATA BRIEF block (structured day numbers) with copy-for-claude.ai. ntfy ping after the day's first snapshot: 'Desk pack ready'. 4d ghostPublisher: DRAFTS ONLY (status:'draft' test-locked), env-gated no-op, HS256 JWT via node crypto (zero new deps). POST /api/internal/ghost/drafts saves slate preview + settle drafts. Nothing anywhere auto-posts. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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'use strict';
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/**
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* mediaEngine — VOICE v1.1 template engine (Session 63 / A1-S4).
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*
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* Deterministic templates for the wire formats (MORNING WIRE, SIGNAL,
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* STREAK WATCH, THE SETTLE, RECEIPTS, ARCHETYPE WATCH, LINE DISPATCH),
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* filled ONLY from pipeline JSON (snapshot/ledger/streaks). Templates never
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* compose numbers — the Data Semantics Rule extends to marketing. Record
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* claims obey the product's n≥20 gate. Stark-layer lines are SELECTED from
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* the curated committed library (content/stark-lines.json), never generated.
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*
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* Every emitted string passes lintVoice() — the banned list + the
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* no-exclamation law are enforced at build time by tests and at runtime by
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* assembly (a template that fails lint throws in dev, drops the line in prod).
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*
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* NOTHING here posts anywhere. Output goes to /desk for Kev to publish.
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*/
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const fs = require('fs');
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const path = require('path');
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const STARK = JSON.parse(fs.readFileSync(path.join(__dirname, '..', '..', 'content', 'stark-lines.json'), 'utf8'));
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// ---- VOICE lint -----------------------------------------------------------
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const BANNED_PATTERNS = [
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/!/, // no exclamation points, ever
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/\block(s|ed)?\b/i, /🔒/,
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/🔥/, /💰/, /🚀/, /💯/,
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/we['’]?re so back/i, /it['’]?s so over/i,
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/\btail\b/i, /\bfade\b/i, // as calls to action — banned outright
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/can['’]?t lose/i, /free money/i, /guarantee/i,
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/RT if/i, /who['’]?s tailing/i, /\btailing\b/i,
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/\beating\b/i, /\bcooking\b/i, /\bGOAT\b/,
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];
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/** Returns [] when clean, else the matched patterns (as strings). */
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function lintVoice(text) {
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const hits = [];
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for (const re of BANNED_PATTERNS) {
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if (re.test(String(text || ''))) hits.push(re.source);
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}
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return hits;
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}
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function assertVoice(text, context) {
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const hits = lintVoice(text);
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if (hits.length > 0) {
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const msg = `[mediaEngine] VOICE lint failed (${context}): ${hits.join(', ')}`;
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if (process.env.NODE_ENV === 'test') throw new Error(msg);
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console.warn(msg);
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return false;
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}
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return true;
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}
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// ---- helpers ---------------------------------------------------------------
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const sideCh = (dir) => (String(dir || 'over').toLowerCase() === 'under' ? 'u' : 'o');
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function etTime(iso, withDay = false) {
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const d = iso ? new Date(iso) : new Date();
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if (Number.isNaN(d.getTime())) return '';
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const opts = withDay
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? { timeZone: 'America/New_York', weekday: 'short', month: 'short', day: 'numeric' }
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: { timeZone: 'America/New_York', hour: 'numeric', minute: '2-digit' };
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return new Intl.DateTimeFormat('en-US', opts).format(d);
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}
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/** Deterministic stark selection: day-of-year rotation, never random
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* (Data Semantics: reproducible output for the same inputs + date). */
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function starkLine(category, dateIso) {
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const lines = STARK[category] || [];
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if (lines.length === 0) return null;
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const d = dateIso ? new Date(dateIso) : new Date();
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const doy = Math.floor((d.getTime() - Date.UTC(d.getUTCFullYear(), 0, 0)) / 86_400_000);
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return lines[doy % lines.length];
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}
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/** Segment a post into ≤280-char tweets on line boundaries. */
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function segmentThread(text, limit = 280) {
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const lines = String(text || '').split('\n');
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const tweets = [];
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let cur = '';
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for (const line of lines) {
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const candidate = cur ? `${cur}\n${line}` : line;
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if (candidate.length > limit && cur) {
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tweets.push(cur);
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cur = line;
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} else {
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cur = candidate;
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}
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}
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if (cur.trim()) tweets.push(cur);
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return tweets;
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}
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// ---- formats ---------------------------------------------------------------
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/** THE MORNING WIRE. data = { dateIso, counts: {mlb, wnba, ...}, loudest: grade row|null } */
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function morningWire(data = {}) {
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const parts = Object.entries(data.counts || {})
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.filter(([, n]) => n > 0)
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.map(([sp, n]) => `${n} ${sp.toUpperCase()}.`);
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const lines = [`THE WIRE — ${etTime(data.dateIso, true)}`];
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if (parts.length > 0) lines.push(parts.join(' '));
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if (data.loudest && data.loudest.grade) {
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const l = data.loudest;
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const arch = l.archetype ? `a ${l.archetype} read` : `an ${l.grade} read`;
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lines.push(`Loudest signal: ${arch} — ${l.player} ${l.stat_type || l.stat} ${sideCh(l.direction)}${l.line} · ${l.grade}.`);
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}
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const stark = starkLine('morning', data.dateIso);
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if (stark) lines.push(stark);
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lines.push('Slate’s graded. 3 free reads a day.', 'vyndr.app');
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const text = lines.join('\n');
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assertVoice(text, 'morningWire');
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return text;
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}
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/** SIGNAL. g = one graded snapshot row (must carry gradedAt). */
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function signal(g = {}) {
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if (!g.player || !g.grade) return null;
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const lines = [
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`${g.player} — ${humanStat(g.stat_type || g.stat)} ${sideCh(g.direction)}${g.line} · ${g.grade}`,
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];
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if (g.archetype) lines.push(`${g.archetype} read.`);
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const odds = g.gradedAt && g.gradedAt.odds != null ? ` at ${g.gradedAt.odds}` : '';
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const ts = g.gradedAt && g.gradedAt.timestamp ? `Graded ${etTime(g.gradedAt.timestamp)} ET${odds}.` : null;
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if (ts) lines.push(ts);
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const text = lines.join('\n');
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assertVoice(text, 'signal');
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return text;
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}
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/** STREAK WATCH. rows = lens-applied streak rows. */
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function streakWatch(rows = [], dateIso) {
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const real = rows.filter((r) => r && r.lens && r.lens.read).slice(0, 4);
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if (real.length === 0) return null;
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const lines = [`STREAK WATCH — ${etTime(dateIso, true)}`];
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for (const r of real) lines.push(`${r.player}: ${r.lens.read}.`);
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const stark = starkLine('streak', dateIso);
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if (stark) lines.push(stark);
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lines.push('vyndr.app/explore');
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const text = lines.join('\n');
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assertVoice(text, 'streakWatch');
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return text;
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}
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/**
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* THE SETTLE. agg = ledger model aggregate; misses = settled miss rows.
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* Record percentages ONLY at n≥20 (the aggregate already nulls them) —
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* below that, counts only, honestly labeled.
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*/
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function theSettle({ aggregate, misses = [], dateIso } = {}) {
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const a = aggregate || {};
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const lines = [`THE SETTLE — ${etTime(dateIso, true)}`];
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const tierA = a.by_tier && a.by_tier['A'];
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if (tierA && tierA.settled > 0) lines.push(`A-tier: ${tierA.hits}-${tierA.misses}`);
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if (a.settled > 0) lines.push(`All grades: ${a.hits}-${a.misses}${a.pushes ? ` (${a.pushes} push)` : ''}`);
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else lines.push('Nothing settled today.');
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if (a.hit_pct == null && a.settled > 0) {
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lines.push(`Record building — ${a.settled} settled, ${a.pending || 0} pending. Percentages post at 20.`);
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}
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const missRows = misses.filter((m) => m && m.player_name).slice(0, 6);
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if (missRows.length > 0) {
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lines.push(`Misses, by name: ${missRows.map((m) => `${m.player_name} ${humanStat(m.stat)} ${sideCh(m.side)}${m.line} ❌`).join(' · ')}`);
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}
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const stark = starkLine(missRows.length > 0 ? 'settle_losing' : 'settle_winning', dateIso);
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if (stark) lines.push(stark);
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lines.push('vyndr.app/ledger');
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const text = lines.join('\n');
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assertVoice(text, 'theSettle');
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return text;
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}
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/** RECEIPTS. row = settled ledger row with lock + close + outcome. */
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function receipt(row = {}) {
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if (!row.player_name || !row.outcome) return null;
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const s = sideCh(row.side);
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const lines = [
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`Posted ${etTime(row.graded_at)} ET: ${row.player_name} ${humanStat(row.stat)} ${s}${row.line} · ${row.grade}${row.locked_odds ? ` · ${row.locked_odds}` : ''}`,
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];
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if (row.closing_line != null && row.clv_result) {
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const clvNote = row.clv_result === 'beat' ? 'Market chased the read.'
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: row.clv_result === 'faded' ? 'Market went the other way.' : 'Close held.';
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lines.push(`Close: ${s}${row.closing_line}${row.closing_odds ? ` at ${row.closing_odds}` : ''}. ${clvNote}`);
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}
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const mark = row.outcome === 'hit' ? '✅' : row.outcome === 'miss' ? '❌' : 'push';
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lines.push(`Result: ${row.actual_value != null ? `${row.actual_value} ` : ''}${mark}`);
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if (row.clv_result === 'beat' && row.outcome === 'hit') {
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const stark = starkLine('steam', row.settled_at);
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if (stark) lines.push(stark);
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}
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const text = lines.join('\n');
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assertVoice(text, 'receipt');
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return text;
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}
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/** ARCHETYPE WATCH. grades = snapshot rows. */
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function archetypeWatch(grades = [], dateIso) {
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const byArch = {};
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for (const g of grades) {
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if (!g.archetype || !g.grade) continue;
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byArch[g.archetype] = byArch[g.archetype] || [];
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byArch[g.archetype].push(g);
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}
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const top = Object.entries(byArch).sort((a, b) => b[1].length - a[1].length)[0];
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if (!top || top[1].length < 2) return null;
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const [arch, rows] = top;
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const lines = [
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`${arch} watch: ${rows.length} on tonight’s slate.`,
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...rows.slice(0, 4).map((g) => `${g.player} ${humanStat(g.stat_type || g.stat)} ${sideCh(g.direction)}${g.line} · ${g.grade}`),
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'vyndr.app',
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];
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const text = lines.join('\n');
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assertVoice(text, 'archetypeWatch');
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return text;
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}
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/** LINE DISPATCH. move = intraday movement row on a graded prop. */
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function lineDispatch(g = {}, nowIso) {
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const m = g.movement;
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if (!m || m.delta == null) return null;
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const s = sideCh(g.direction);
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const locked = g.gradedAt && g.gradedAt.line != null ? g.gradedAt.line : g.line;
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const arrow = m.currentLine > locked ? '▲' : '▼';
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const kind = m.kind === 'steam' ? 'Steam.' : m.kind === 'value' ? 'Value — the read holds at the new number.' : 'Line moved.';
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const lines = [
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`${g.player} ${humanStat(g.stat_type || g.stat)}: ${s}${locked} → ${s}${m.currentLine} ${arrow}`,
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`${kind} ${etTime(nowIso)} ET.`,
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];
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const text = lines.join('\n');
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assertVoice(text, 'lineDispatch');
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return text;
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}
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const STAT_HUMAN = {
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total_bases: 'TB', home_runs: 'HR', hits: 'Hits', rbi: 'RBI', runs: 'Runs',
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strikeouts: 'Ks', stolen_bases: 'SB', earned_runs: 'ER', innings_pitched: 'IP',
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points: 'PTS', rebounds: 'REB', assists: 'AST', threes: '3PT', outs: 'Outs', doubles: '2B',
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};
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function humanStat(stat) {
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const k = String(stat || '').toLowerCase();
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return STAT_HUMAN[k] || k.replace(/_/g, ' ');
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}
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module.exports = {
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lintVoice,
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segmentThread,
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starkLine,
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morningWire,
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signal,
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streakWatch,
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theSettle,
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receipt,
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archetypeWatch,
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lineDispatch,
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__internals: { BANNED_PATTERNS, etTime, humanStat, assertVoice, STARK },
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};
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