feat: replace StatsCard with QualityCard (margins, returns, leverage)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2 files changed, 42 insertions, 59 deletions

diff --git a/frontend/app/page.tsx b/frontend/app/page.tsx
index d6bde2a..6253221 100644
--- a/frontend/app/page.tsx
+++ b/frontend/app/page.tsx
@@ -11,9 +11,10 @@ import { KPIStrip } from "@/components/prism/KPIStrip";
 import { Sidebar } from "@/components/prism/Sidebar";
 import { TickerHeader } from "@/components/prism/TickerHeader";
 import { TopBar } from "@/components/prism/TopBar";
+import { QualityCard } from "@/components/prism/QualityCard";
 import { VolumeCard } from "@/components/prism/VolumeCard";
 import { ApiError, api } from "@/lib/api";
-import { deltaClass, fmtCurrency, fmtLarge, fmtNumber, fmtPct } from "@/lib/format";
+import { deltaClass, fmtNumber, fmtPct } from "@/lib/format";
 import { buildKpis, limitIndices, marketClock, OVERVIEW_NAV_ITEMS, signalTone } from "@/lib/overview";
 import type { HistoryPoint, MarketIndex, SearchResult, TickerOverview, WatchlistResponse } from "@/types/api";
 
@@ -316,7 +317,7 @@ function OverviewClient() {
               <div className="psm-column">
                 <ProfileCard overview={overview} />
                 <ShortInterestCard overview={overview} />
-                <StatsCard overview={overview} />
+                <QualityCard overview={overview} />
               </div>
             </div>
           </>
@@ -496,54 +497,6 @@ function ShortInterestCard({ overview }: { overview: TickerOverview }) {
   );
 }
 
-function StatsCard({ overview }: { overview: TickerOverview }) {
-  const referenceRows = [
-    { label: "Market Cap", value: fmtLarge(overview.stats.market_cap), missing: overview.stats.market_cap == null },
-    { label: "P/E TTM", value: overview.stats.trailing_pe == null ? "-" : `${fmtNumber(overview.stats.trailing_pe)}x`, missing: overview.stats.trailing_pe == null },
-    { label: "EPS TTM", value: fmtCurrency(overview.stats.trailing_eps), missing: overview.stats.trailing_eps == null },
-    { label: "P/B", value: overview.ratios.price_to_book == null ? "-" : `${fmtNumber(overview.ratios.price_to_book)}x`, missing: overview.ratios.price_to_book == null },
-    { label: "P/S", value: overview.ratios.price_to_sales == null ? "-" : `${fmtNumber(overview.ratios.price_to_sales)}x`, missing: overview.ratios.price_to_sales == null },
-    { label: "EV/Sales", value: overview.ratios.ev_to_sales == null ? "-" : `${fmtNumber(overview.ratios.ev_to_sales)}x`, missing: overview.ratios.ev_to_sales == null },
-    { label: "EV/EBITDA", value: overview.ratios.ev_to_ebitda == null ? "-" : `${fmtNumber(overview.ratios.ev_to_ebitda)}x`, missing: overview.ratios.ev_to_ebitda == null },
-    { label: "Gross Margin", value: fmtPct(overview.ratios.gross_margin_ttm), missing: overview.ratios.gross_margin_ttm == null },
-    { label: "Op Margin", value: fmtPct(overview.ratios.operating_margin_ttm), missing: overview.ratios.operating_margin_ttm == null },
-    { label: "Net Margin", value: fmtPct(overview.ratios.net_margin_ttm), missing: overview.ratios.net_margin_ttm == null },
-    { label: "ROE", value: fmtPct(overview.ratios.roe_ttm), missing: overview.ratios.roe_ttm == null },
-    { label: "ROA", value: fmtPct(overview.ratios.roa_ttm), missing: overview.ratios.roa_ttm == null },
-    { label: "ROIC", value: fmtPct(overview.ratios.roic_ttm), missing: overview.ratios.roic_ttm == null },
-    { label: "D/E", value: overview.ratios.debt_to_equity == null ? "-" : `${fmtNumber(overview.ratios.debt_to_equity)}x`, missing: overview.ratios.debt_to_equity == null },
-    { label: "Current Ratio", value: overview.ratios.current_ratio == null ? "-" : `${fmtNumber(overview.ratios.current_ratio)}x`, missing: overview.ratios.current_ratio == null },
-    { label: "Dividend Yield", value: fmtPct(overview.ratios.dividend_yield_ttm), missing: overview.ratios.dividend_yield_ttm == null },
-    { label: "Payout Ratio", value: fmtPct(overview.ratios.dividend_payout_ratio_ttm), missing: overview.ratios.dividend_payout_ratio_ttm == null }
-  ];
-
-  const visibleRows = referenceRows.filter((r) => !r.missing);
-  const suppressedCount = referenceRows.length - visibleRows.length;
-
-  return (
-    <section className="psm-card">
-      <div className="psm-card-head">
-        <div>
-          <div className="psm-eyebrow">Reference</div>
-          <h2 className="psm-card-title">Reference</h2>
-        </div>
-      </div>
-      {visibleRows.length > 0 && (
-        <div className="psm-stat-list">
-          {visibleRows.map((row) => (
-            <StatRow key={row.label} label={row.label} value={row.value} missing={false} />
-          ))}
-        </div>
-      )}
-      {suppressedCount > 0 && (
-        <p className="psm-muted-copy" style={{ marginTop: visibleRows.length > 0 ? "var(--sp-4)" : 0 }}>
-          · Statement data incomplete
-        </p>
-      )}
-    </section>
-  );
-}
-
 function DetailItem({ label, value, missing = false }: { label: string; value: string; missing?: boolean }) {
   return (
     <article className="psm-detail-item">
@@ -553,15 +506,6 @@ function DetailItem({ label, value, missing = false }: { label: string; value: s
   );
 }
 
-function StatRow({ label, value, missing = false }: { label: string; value: string; missing?: boolean }) {
-  return (
-    <div className="psm-stat-row">
-      <span className="psm-stat-label">{label}</span>
-      <span className={`psm-stat-value${missing ? " missing" : ""}`}>{missing ? "Unavailable" : value}</span>
-    </div>
-  );
-}
-
 function LoadingShell() {
   return (
     <AppShell
diff --git a/frontend/components/prism/QualityCard.tsx b/frontend/components/prism/QualityCard.tsx
new file mode 100644
index 0000000..e220fce
--- /dev/null
+++ b/frontend/components/prism/QualityCard.tsx
@@ -0,0 +1,39 @@
+import type { TickerOverview } from "@/types/api";
+import { fmtNumber, fmtPct } from "@/lib/format";
+
+export function QualityCard({ overview }: { overview: TickerOverview }) {
+  const rows = [
+    { label: "Gross Margin", value: fmtPct(overview.ratios.gross_margin_ttm), missing: overview.ratios.gross_margin_ttm == null },
+    { label: "Op Margin", value: fmtPct(overview.ratios.operating_margin_ttm), missing: overview.ratios.operating_margin_ttm == null },
+    { label: "Net Margin", value: fmtPct(overview.ratios.net_margin_ttm), missing: overview.ratios.net_margin_ttm == null },
+    { label: "ROE", value: fmtPct(overview.ratios.roe_ttm), missing: overview.ratios.roe_ttm == null },
+    { label: "ROA", value: fmtPct(overview.ratios.roa_ttm), missing: overview.ratios.roa_ttm == null },
+    { label: "ROIC", value: fmtPct(overview.ratios.roic_ttm), missing: overview.ratios.roic_ttm == null },
+    { label: "D/E", value: overview.ratios.debt_to_equity == null ? "-" : `${fmtNumber(overview.ratios.debt_to_equity)}x`, missing: overview.ratios.debt_to_equity == null },
+    { label: "Current Ratio", value: overview.ratios.current_ratio == null ? "-" : `${fmtNumber(overview.ratios.current_ratio)}x`, missing: overview.ratios.current_ratio == null },
+    { label: "Dividend Yield", value: fmtPct(overview.ratios.dividend_yield_ttm), missing: overview.ratios.dividend_yield_ttm == null },
+    { label: "Payout Ratio", value: fmtPct(overview.ratios.dividend_payout_ratio_ttm), missing: overview.ratios.dividend_payout_ratio_ttm == null },
+  ];
+
+  const visible = rows.filter((r) => !r.missing);
+  if (!visible.length) return null;
+
+  return (
+    <section className="psm-card">
+      <div className="psm-card-head">
+        <div>
+          <div className="psm-eyebrow">Quality</div>
+          <h2 className="psm-card-title">Quality</h2>
+        </div>
+      </div>
+      <div className="psm-stat-list">
+        {visible.map((row) => (
+          <div key={row.label} className="psm-stat-row">
+            <span className="psm-stat-label">{row.label}</span>
+            <span className="psm-stat-value">{row.value}</span>
+          </div>
+        ))}
+      </div>
+    </section>
+  );
+}