fix: wire data adapters, fix OptionsAdapter v3, build Research pages

- Fix OptionsAdapter for yahoo-finance2 v3 API ({ date: expiry } instead of positional arg)
- Fix institutional.flow and insiderStream endpoints to query correct DB tables
- Fix anonymous user INSERT (pw_hash column, not password_hash)
- Create secDataFetcher module for 13F/Form 4 data population
- Add institutional and marketOutlook endpoints to frontend trpc client
- Build out Chart Lab, Institutional, Market Outlook pages with real components
- Add focus-visible rings, aria-labels, hex tokens, shape icons across all panels
- Integrate EmotionLogger, MobileTabNav, useKeyboardShortcuts
- Add localStorage persistence for emotion logs
- Normalize spacing, type scale, hover effects across all components

app/src/components/MobileTabNav.tsx

@@ -34,7 +34,7 @@ export function MobileTabNav() {
           <Link
             key={tab.href}
             href={tab.href}
-            className={`flex-1 flex flex-col items-center justify-center py-2 transition-colors ${
+            className={`flex-1 flex flex-col items-center justify-center py-2 transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#4f8cff] focus-visible:ring-inset ${
               isActive
                 ? "text-[#4f8cff] border-b-2 border-b-[#4f8cff]"
                 : "text-[#8a8b9a] hover:text-[#e6e7ec]"