diff --git a/frontend/harness.html b/frontend/harness.html
deleted file mode 100644
index 55b0e16..0000000
--- a/frontend/harness.html
+++ /dev/null
@@ -1,18 +0,0 @@
-
-
-
-
-
- FundamentalsPanel harness
-
-
-
-
-
-
-
-
-
diff --git a/frontend/src/dev/harness.tsx b/frontend/src/dev/harness.tsx
deleted file mode 100644
index 3afdab4..0000000
--- a/frontend/src/dev/harness.tsx
+++ /dev/null
@@ -1,146 +0,0 @@
-/* Dev-only visual harness for FundamentalsPanel. Served at /harness.html by
- * `vite`. Not imported by the app. Renders the three key states so desktop and
- * mobile can be eyeballed with representative fixtures. */
-import { createRoot } from 'react-dom/client';
-import '../styles/globals.css';
-import { FundamentalsPanel } from '../components/ticker/FundamentalsPanel';
-import type { FundamentalResponse, MetricItem } from '../lib/types';
-
-function h(period: string, value: number | null) {
- return { period_end: period, value };
-}
-const P = ['2025-06-30', '2025-09-30', '2025-12-31', '2026-03-28'];
-
-function dateFromToday(days: number): string {
- const date = new Date();
- date.setHours(12, 0, 0, 0);
- date.setDate(date.getDate() + days);
- return [
- date.getFullYear(),
- String(date.getMonth() + 1).padStart(2, '0'),
- String(date.getDate()).padStart(2, '0'),
- ].join('-');
-}
-
-function metric(key: string, value: number | null, hist: (number | null)[],
- industry: MetricItem['industry'] = null,
- caveat: string | null = null): MetricItem {
- return {
- key: key as MetricItem['key'], value,
- history: hist.map((v, i) => h(P[i], v)),
- industry, period_end: '2026-03-28', filed_date: '2026-05-01', caveat,
- source: 'sec',
- };
-}
-const ind = (median: number, favorable_percentile: number) =>
- ({ label: 'SIC 35 peers', median, favorable_percentile, peer_count: 12 });
-
-const legacy = {
- pe_ratio: null, revenue_growth: null, earnings_surprise: null, market_cap: null,
- next_earnings_date: null, fetched_at: null, unavailable_fields: {},
- setup_eligible: true, setup_block_code: null, setup_block_reason: null,
-};
-
-const full: FundamentalResponse = {
- symbol: 'AAPL', ...legacy,
- earnings: {
- next: { date: dateFromToday(12), session: 'amc', days_until: 12 },
- recent: [
- { announce_date: '2025-08-01', period_end: '2025-06-30', eps_estimate: 1.4, eps_actual: 1.6, surprise_pct: 14.3 },
- { announce_date: '2025-11-01', period_end: '2025-09-30', eps_estimate: 1.7, eps_actual: 1.9, surprise_pct: 11.8 },
- { announce_date: '2026-02-01', period_end: '2025-12-31', eps_estimate: 2.6, eps_actual: 2.4, surprise_pct: -7.7 },
- { announce_date: '2026-05-01', period_end: '2026-03-28', eps_estimate: 1.5, eps_actual: 1.65, surprise_pct: 10.0 },
- ],
- },
- metrics: [
- metric('revenue_growth_yoy', 18, [8, 11, 15, 18], ind(11, 82)),
- metric('eps_growth_yoy', 24, [10, 18, 22, 24], ind(15, 70)),
- metric('operating_margin', 32, [30, 31, 31, 32], ind(22, 88)),
- metric('fcf_margin', 28, [24, 25, 27, 28], ind(18, 80)),
- metric('net_debt', 16.2e9, [46e9, 44e9, 24e9, 16.2e9], null),
- metric('net_debt_to_ebitda', 1.4, [1.9, 1.7, 1.5, 1.4], ind(2.1, 68)),
- metric('share_count_change_yoy', -1.7, [-2.4, -2.2, -2.3, -1.7], null),
- ],
- valuation: {
- pe: 29.2, fcf_yield: 3.8, market_cap_est: 3.2e12,
- pe_industry: ind(23.5, 30), fcf_yield_industry: ind(3.1, 70), price_date: '2026-05-01',
- },
- reads: {
- header: 'growth accelerating · margins improving · valuation priced above peers',
- by_key: {
- revenue_growth_yoy: 'accelerating', eps_growth_yoy: 'accelerating',
- operating_margin: 'improving', fcf_margin: 'improving',
- share_count_change_yoy: 'buying back', net_debt_to_ebitda: 'conservative leverage',
- pe: 'priced above peers', fcf_yield: 'above peers', net_debt: null,
- },
- },
-};
-
-const partial: FundamentalResponse = {
- symbol: 'NEWCO', ...legacy,
- earnings: { next: { date: dateFromToday(0), session: 'unknown', days_until: 0 }, recent: [] },
- metrics: [
- metric('revenue_growth_yoy', 12, [null, 8, 10, 12], null),
- metric(
- 'eps_growth_yoy',
- null,
- [null, null, null, null],
- null,
- 'Not comparable: share count changed at least 25%; possible split or corporate action.',
- ),
- metric('operating_margin', 25, [24, 24, 25, 25], null),
- metric('fcf_margin', null, [null, null, null, null], null),
- metric('net_debt', null, [], null),
- metric('net_debt_to_ebitda', 1.9, [1.7, 1.8, 1.9, 1.9], null),
- metric(
- 'share_count_change_yoy',
- null,
- [1.8, 2.0, 2.0, null],
- null,
- 'Not comparable: share count changed at least 25%; possible split or corporate action.',
- ),
- ],
- valuation: {
- pe: 15.2, fcf_yield: null, market_cap_est: 5.4e8,
- pe_industry: null, fcf_yield_industry: null, price_date: '2026-05-01',
- },
- reads: {
- header: 'growth steady · margins stable',
- by_key: {
- revenue_growth_yoy: 'steady', operating_margin: 'stable',
- share_count_change_yoy: '2.1% dilution', net_debt_to_ebitda: null,
- pe: null, fcf_yield: null, eps_growth_yoy: null, fcf_margin: null, net_debt: null,
- },
- },
-};
-
-const empty: FundamentalResponse = {
- symbol: 'ADR', ...legacy,
- earnings: { next: null, recent: [] },
- metrics: [
- 'revenue_growth_yoy', 'eps_growth_yoy', 'operating_margin', 'fcf_margin',
- 'net_debt', 'net_debt_to_ebitda', 'share_count_change_yoy',
- ].map((k) => metric(k, null, [])),
- valuation: null,
- reads: { header: null, by_key: {} },
-};
-
-function Case({ title, data }: { title: string; data: FundamentalResponse }) {
- return (
-
- );
-}
-
-createRoot(document.getElementById('root')!).render(
-
-
- Desktop width (~768px, two columns). Resize the browser to ~390px to check mobile (single column).
-
-
-
-
-
,
-);