Rebuild company overview analysis page

app/research/page.tsx

@@ -408,7 +408,7 @@ function ResearchPageContent() {
       subtitle="Build an investor-grade company dossier with evidence-linked memo sections, uploads, and a packet view."
       activeTicker={ticker || null}
       breadcrumbs={[
-        { label: 'Analysis', href: ticker ? `/analysis?ticker=${encodeURIComponent(ticker)}` : '/analysis' },
+        { label: 'Overview', href: ticker ? `/analysis?ticker=${encodeURIComponent(ticker)}` : '/analysis' },
         { label: 'Research' }
       ]}
       actions={(
@@ -430,14 +430,14 @@ function ResearchPageContent() {
               onFocus={() => prefetchResearchTicker(ticker)}
               className="inline-flex items-center gap-2 rounded-lg border border-[color:var(--line-weak)] px-3 py-2 text-sm text-[color:var(--accent)] transition hover:border-[color:var(--line-strong)] hover:text-[color:var(--accent-strong)]"
             >
-              Open analysis
+              Open overview
             </Link>
           ) : null}
         </div>
       )}
     >
       {!ticker ? (
-        <Panel title="Select a company" subtitle="Open this page with `?ticker=NVDA` or use the Coverage and Analysis surfaces to pivot into research.">
+        <Panel title="Select a company" subtitle="Open this page with `?ticker=NVDA` or use the Coverage and Overview surfaces to pivot into research.">
           <p className="text-sm text-[color:var(--terminal-muted)]">This workspace is company-first by design and activates once a ticker is selected.</p>
         </Panel>
       ) : null}