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/lib/useKeyboardShortcuts.ts

@@ -0,0 +1,39 @@
+"use client";
+import { useEffect } from "react";
+
+interface KeyboardShortcut {
+  key: string;
+  ctrl?: boolean;
+  shift?: boolean;
+  alt?: boolean;
+  handler: (e: KeyboardEvent) => void;
+  // Only fire when no input/modal is focused
+  when?: () => boolean;
+}
+
+/**
+ * Shared keyboard shortcut hook.
+ * Registers shortcuts at the LayoutShell level (closest to root).
+ * Uses keydown events with preventDefault only when needed.
+ */
+export function useKeyboardShortcuts(shortcuts: KeyboardShortcut[]) {
+  useEffect(() => {
+    const handler = (e: KeyboardEvent) => {
+      for (const shortcut of shortcuts) {
+        const matchesKey = e.key === shortcut.key;
+        const matchesCtrl = shortcut.ctrl ? e.ctrlKey || e.metaKey : !e.ctrlKey && !e.metaKey;
+        const matchesShift = shortcut.shift ? e.shiftKey : !e.shiftKey;
+        const matchesAlt = shortcut.alt ? e.altKey : !e.altKey;
+
+        if (matchesKey && matchesCtrl && matchesShift && matchesAlt) {
+          if (shortcut.when && !shortcut.when()) continue;
+          e.preventDefault();
+          shortcut.handler(e);
+        }
+      }
+    };
+
+    window.addEventListener("keydown", handler);
+    return () => window.removeEventListener("keydown", handler);
+  }, [shortcuts]);
+}