initial work on exchanges page

apps/data-service/src/index.ts

@@ -22,10 +22,10 @@ const app = new Hono();
 app.use(
   '*',
   cors({
-    origin: ['http://localhost:4200', 'http://localhost:5173'],
-    allowMethods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
+    origin: '*',
+    allowMethods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS', 'PATCH'],
     allowHeaders: ['Content-Type', 'Authorization'],
-    credentials: true,
+    credentials: false,
   })
 );
 

apps/web/package.json

@@ -13,6 +13,7 @@
     "@headlessui/react": "^1.7.17",
     "@heroicons/react": "^2.0.18",
     "@tanstack/react-table": "^8.21.3",
+    "@types/react-router-dom": "^5.3.3",
     "@types/react-virtualized-auto-sizer": "^1.0.8",
     "@types/react-window": "^1.8.8",
     "clsx": "^2.1.1",

apps/web/src/app/App.tsx

@@ -1,10 +1,31 @@
 import { Layout } from '@/components/layout';
 import { DashboardPage } from '@/features/dashboard';
+import { ExchangesPage } from '@/features/exchanges';
+import { BrowserRouter, Navigate, Route, Routes } from 'react-router-dom';
 
 export function App() {
   return (
-    <Layout title="Dashboard">
-      <DashboardPage />
-    </Layout>
+    <BrowserRouter>
+      <Routes>
+        <Route path="/" element={<Layout />}>
+          <Route index element={<Navigate to="/dashboard" replace />} />
+          <Route path="dashboard" element={<DashboardPage />} />
+          <Route path="exchanges" element={<ExchangesPage />} />
+          <Route
+            path="portfolio"
+            element={<div className="p-4">Portfolio Page - Coming Soon</div>}
+          />
+          <Route
+            path="strategies"
+            element={<div className="p-4">Strategies Page - Coming Soon</div>}
+          />
+          <Route
+            path="analytics"
+            element={<div className="p-4">Analytics Page - Coming Soon</div>}
+          />
+          <Route path="settings" element={<div className="p-4">Settings Page - Coming Soon</div>} />
+        </Route>
+      </Routes>
+    </BrowserRouter>
   );
 }

apps/web/src/components/layout/Layout.tsx

@@ -1,22 +1,28 @@
-import { ReactNode, useState } from 'react';
+import { useState } from 'react';
+import { Outlet, useLocation } from 'react-router-dom';
 import { Header } from './Header';
 import { Sidebar } from './Sidebar';
 
-interface LayoutProps {
-  children: ReactNode;
-  title?: string;
-}
-
-export function Layout({ children, title }: LayoutProps) {
+export function Layout() {
   const [sidebarOpen, setSidebarOpen] = useState(false);
+  const location = useLocation();
+
+  // Determine title from current route
+  const getTitle = () => {
+    const path = location.pathname.replace('/', '');
+    if (!path || path === 'dashboard') return 'Dashboard';
+    return path.charAt(0).toUpperCase() + path.slice(1);
+  };
 
   return (
     <div className="h-full">
       <Sidebar sidebarOpen={sidebarOpen} setSidebarOpen={setSidebarOpen} />
-      <Header setSidebarOpen={setSidebarOpen} title={title} />
+      <Header setSidebarOpen={setSidebarOpen} title={getTitle()} />
 
-      <main className="py-4 lg:pl-60 w-full h-full overflow-y-auto scrollbar-sleek">
-        <div className="px-4 flex-col h-full">{children}</div>
+      <main className="py-4 lg:pl-60 w-full h-full overflow-y-auto">
+        <div className="px-4 flex-col h-full">
+          <Outlet />
+        </div>
       </main>
     </div>
   );

apps/web/src/components/layout/Sidebar.tsx

@@ -3,6 +3,7 @@ import { cn } from '@/lib/utils';
 import { Dialog, Transition } from '@headlessui/react';
 import { XMarkIcon } from '@heroicons/react/24/outline';
 import { Fragment } from 'react';
+import { NavLink } from 'react-router-dom';
 
 interface SidebarProps {
   sidebarOpen: boolean;
@@ -86,18 +87,22 @@ function SidebarContent() {
             <ul role="list" className="-mx-1 space-y-0.5">
               {navigation.map(item => (
                 <li key={item.name}>
-                  <a
-                    href={item.href}
-                    className={cn(
-                      item.current
+                  <NavLink
+                    to={item.href}
+                    className={({ isActive }) =>
+                      cn(
+                        isActive
                           ? 'bg-surface-secondary text-primary-400 border-l-2 border-primary-500'
                           : 'text-text-secondary hover:text-primary-400 hover:bg-surface-secondary',
                         'group flex gap-x-2 rounded-r-md px-2 py-1.5 text-sm leading-tight font-medium transition-colors'
-                    )}
+                      )
+                    }
                   >
+                    {({ isActive }) => (
+                      <>
                         <item.icon
                           className={cn(
-                        item.current
+                            isActive
                               ? 'text-primary-400'
                               : 'text-text-muted group-hover:text-primary-400',
                             'h-4 w-4 shrink-0 transition-colors'
@@ -105,7 +110,9 @@ function SidebarContent() {
                           aria-hidden="true"
                         />
                         {item.name}
-                  </a>
+                      </>
+                    )}
+                  </NavLink>
                 </li>
               ))}
             </ul>

apps/web/src/components/ui/DataTable/DataTable.tsx

@@ -80,12 +80,12 @@ export function DataTable<T>({
           Table: ({ style, ...props }) => (
             <table
               {...props}
-              style={{
+              {...{
+                style: {
                   ...style,
+                  width: table.getCenterTotalSize(),
                   minWidth: '100%',
-                tableLayout: 'auto',
-                borderCollapse: 'collapse',
-                borderSpacing: 0,
+                },
               }}
               className="bg-background"
             />

apps/web/src/features/exchanges/ExchangesPage.tsx

@@ -0,0 +1,16 @@
+import { ExchangesTable } from './components/ExchangesTable';
+
+export function ExchangesPage() {
+  return (
+    <div className="space-y-6">
+      <div>
+        <h1 className="text-lg font-bold text-text-primary mb-2">Exchange Management</h1>
+        <p className="text-text-secondary text-sm">
+          Configure and manage master exchanges with their data sources and providers.
+        </p>
+      </div>
+
+      <ExchangesTable />
+    </div>
+  );
+}

apps/web/src/features/exchanges/components/AddSourceDialog.tsx

@@ -0,0 +1,198 @@
+import { Dialog, Transition } from '@headlessui/react';
+import { XMarkIcon } from '@heroicons/react/24/outline';
+import React, { useState } from 'react';
+import { AddSourceRequest } from '../types';
+
+interface AddSourceDialogProps {
+  isOpen: boolean;
+  onClose: () => void;
+  onAddSource: (request: AddSourceRequest) => Promise<void>;
+  exchangeId: string;
+  exchangeName: string;
+}
+
+export function AddSourceDialog({
+  isOpen,
+  onClose,
+  onAddSource,
+  exchangeId,
+  exchangeName,
+}: AddSourceDialogProps) {
+  const [source, setSource] = useState('');
+  const [id, setId] = useState('');
+  const [name, setName] = useState('');
+  const [code, setCode] = useState('');
+  const [aliases, setAliases] = useState('');
+  const [loading, setLoading] = useState(false);
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    if (!source || !id || !name || !code) return;
+
+    setLoading(true);
+    try {
+      await onAddSource({
+        source,
+        mapping: {
+          id,
+          name,
+          code,
+          aliases: aliases
+            .split(',')
+            .map(a => a.trim())
+            .filter(Boolean),
+        },
+      });
+
+      // Reset form
+      setSource('');
+      setId('');
+      setName('');
+      setCode('');
+      setAliases('');
+    } catch (error) {
+      console.error('Error adding source:', error);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <Transition appear show={isOpen} as={React.Fragment}>
+      <Dialog as="div" className="relative z-50" onClose={onClose}>
+        <Transition.Child
+          as={React.Fragment}
+          enter="ease-out duration-300"
+          enterFrom="opacity-0"
+          enterTo="opacity-100"
+          leave="ease-in duration-200"
+          leaveFrom="opacity-100"
+          leaveTo="opacity-0"
+        >
+          <div className="fixed inset-0 bg-black bg-opacity-25" />
+        </Transition.Child>
+
+        <div className="fixed inset-0 overflow-y-auto">
+          <div className="flex min-h-full items-center justify-center p-4 text-center">
+            <Transition.Child
+              as={React.Fragment}
+              enter="ease-out duration-300"
+              enterFrom="opacity-0 scale-95"
+              enterTo="opacity-100 scale-100"
+              leave="ease-in duration-200"
+              leaveFrom="opacity-100 scale-100"
+              leaveTo="opacity-0 scale-95"
+            >
+              <Dialog.Panel className="w-full max-w-md transform overflow-hidden rounded-lg bg-background border border-border p-6 text-left align-middle shadow-xl transition-all">
+                <div className="flex items-center justify-between mb-4">
+                  <Dialog.Title className="text-lg font-medium text-text-primary">
+                    Add Source to {exchangeName}
+                  </Dialog.Title>
+                  <button
+                    onClick={onClose}
+                    className="text-text-muted hover:text-text-primary transition-colors"
+                  >
+                    <XMarkIcon className="h-5 w-5" />
+                  </button>
+                </div>
+
+                <form onSubmit={handleSubmit} className="space-y-4">
+                  <div>
+                    <label className="block text-sm font-medium text-text-primary mb-1">
+                      Source Provider
+                    </label>
+                    <select
+                      value={source}
+                      onChange={e => setSource(e.target.value)}
+                      className="w-full bg-surface border border-border rounded px-3 py-2 text-text-primary focus:ring-1 focus:ring-primary-500 focus:border-primary-500"
+                      required
+                    >
+                      <option value="">Select a source</option>
+                      <option value="ib">Interactive Brokers</option>
+                      <option value="alpaca">Alpaca</option>
+                      <option value="polygon">Polygon</option>
+                      <option value="yahoo">Yahoo Finance</option>
+                      <option value="alpha_vantage">Alpha Vantage</option>
+                    </select>
+                  </div>
+
+                  <div>
+                    <label className="block text-sm font-medium text-text-primary mb-1">
+                      Source ID
+                    </label>
+                    <input
+                      type="text"
+                      value={id}
+                      onChange={e => setId(e.target.value)}
+                      className="w-full bg-surface border border-border rounded px-3 py-2 text-text-primary focus:ring-1 focus:ring-primary-500 focus:border-primary-500"
+                      placeholder="e.g., NYSE, NASDAQ"
+                      required
+                    />
+                  </div>
+
+                  <div>
+                    <label className="block text-sm font-medium text-text-primary mb-1">
+                      Source Name
+                    </label>
+                    <input
+                      type="text"
+                      value={name}
+                      onChange={e => setName(e.target.value)}
+                      className="w-full bg-surface border border-border rounded px-3 py-2 text-text-primary focus:ring-1 focus:ring-primary-500 focus:border-primary-500"
+                      placeholder="e.g., New York Stock Exchange"
+                      required
+                    />
+                  </div>
+
+                  <div>
+                    <label className="block text-sm font-medium text-text-primary mb-1">
+                      Source Code
+                    </label>
+                    <input
+                      type="text"
+                      value={code}
+                      onChange={e => setCode(e.target.value)}
+                      className="w-full bg-surface border border-border rounded px-3 py-2 text-text-primary focus:ring-1 focus:ring-primary-500 focus:border-primary-500"
+                      placeholder="e.g., NYSE"
+                      required
+                    />
+                  </div>
+
+                  <div>
+                    <label className="block text-sm font-medium text-text-primary mb-1">
+                      Aliases (comma-separated)
+                    </label>
+                    <input
+                      type="text"
+                      value={aliases}
+                      onChange={e => setAliases(e.target.value)}
+                      className="w-full bg-surface border border-border rounded px-3 py-2 text-text-primary focus:ring-1 focus:ring-primary-500 focus:border-primary-500"
+                      placeholder="e.g., NYSE, New York, Big Board"
+                    />
+                  </div>
+
+                  <div className="flex justify-end space-x-3 pt-4">
+                    <button
+                      type="button"
+                      onClick={onClose}
+                      className="px-4 py-2 border border-border text-text-secondary hover:text-text-primary hover:bg-surface-secondary rounded transition-colors"
+                    >
+                      Cancel
+                    </button>
+                    <button
+                      type="submit"
+                      disabled={loading || !source || !id || !name || !code}
+                      className="px-4 py-2 bg-primary-500 text-white rounded hover:bg-primary-600 disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
+                    >
+                      {loading ? 'Adding...' : 'Add Source'}
+                    </button>
+                  </div>
+                </form>
+              </Dialog.Panel>
+            </Transition.Child>
+          </div>
+        </div>
+      </Dialog>
+    </Transition>
+  );
+}

apps/web/src/features/exchanges/components/ExchangesTable.tsx

@@ -0,0 +1,292 @@
+import { DataTable } from '@/components/ui';
+import { PlusIcon, XMarkIcon } from '@heroicons/react/24/outline';
+import { ColumnDef } from '@tanstack/react-table';
+import { useCallback, useMemo, useState } from 'react';
+import { useExchanges } from '../hooks/useExchanges';
+import { Exchange, SourceMapping } from '../types';
+import { AddSourceDialog } from './AddSourceDialog';
+
+export function ExchangesTable() {
+  const { exchanges, loading, error, updateExchange, addSource, removeSource } = useExchanges();
+  const [editingCell, setEditingCell] = useState<{ id: string; field: string } | null>(null);
+  const [editValue, setEditValue] = useState('');
+  const [addSourceDialog, setAddSourceDialog] = useState<{
+    id: string;
+    exchangeName: string;
+  } | null>(null);
+
+  const handleCellEdit = useCallback(
+    async (id: string, field: string, value: string) => {
+      if (field === 'shortName') {
+        await updateExchange(id, { shortName: value });
+      }
+      setEditingCell(null);
+      setEditValue('');
+    },
+    [updateExchange]
+  );
+
+  const handleToggleActive = useCallback(
+    async (id: string, currentStatus: boolean) => {
+      await updateExchange(id, { active: !currentStatus });
+    },
+    [updateExchange]
+  );
+
+  const handleAddSource = useCallback(async (id: string, exchangeName: string) => {
+    setAddSourceDialog({ id, exchangeName });
+  }, []);
+
+  const handleRemoveSource = useCallback(
+    async (exchangeId: string, sourceName: string) => {
+      if (confirm(`Are you sure you want to remove the ${sourceName} source?`)) {
+        await removeSource(exchangeId, sourceName);
+      }
+    },
+    [removeSource]
+  );
+
+  const columns = useMemo<ColumnDef<Exchange>[]>(() => {
+    return [
+      {
+        id: 'masterExchangeId',
+        header: 'Master ID',
+        accessorKey: 'masterExchangeId',
+        size: 50,
+        enableResizing: false,
+        cell: ({ getValue, cell }) => (
+          <span
+            className="font-mono text-primary-400 text-xs"
+            style={{ width: cell.column.getSize() }}
+          >
+            {getValue() as string}
+          </span>
+        ),
+      },
+      {
+        id: 'shortName',
+        header: 'Short Name',
+        accessorKey: 'shortName',
+        size: 50,
+        enableResizing: false,
+        cell: ({ getValue, row, cell }) => {
+          const isEditing =
+            editingCell?.id === row.original._id && editingCell?.field === 'shortName';
+
+          if (isEditing) {
+            return (
+              <input
+                type="text"
+                style={{ width: cell.column.getSize() }}
+                value={editValue}
+                onChange={e => setEditValue(e.target.value)}
+                onBlur={() => handleCellEdit(row.original._id, 'shortName', editValue)}
+                onKeyDown={e => {
+                  if (e.key === 'Enter') {
+                    handleCellEdit(row.original._id, 'shortName', editValue);
+                  } else if (e.key === 'Escape') {
+                    setEditingCell(null);
+                    setEditValue('');
+                  }
+                }}
+                className="w-full bg-surface border border-border rounded px-2 py-1 text-sm"
+                autoFocus
+              />
+            );
+          }
+
+          return (
+            <div
+              className="cursor-pointer hover:bg-surface-secondary rounded px-2 py-1 transition-colors text-sm"
+              onClick={() => {
+                setEditingCell({ id: row.original._id, field: 'shortName' });
+                setEditValue(getValue() as string);
+              }}
+            >
+              {getValue() as string}
+            </div>
+          );
+        },
+      },
+      {
+        id: 'officialName',
+        header: 'Official Name',
+        accessorKey: 'officialName',
+        size: 150,
+        maxSize: 150,
+        enableResizing: true,
+        cell: ({ getValue, cell }) => (
+          <span
+            className="text-text-primary text-sm truncate block"
+            title={getValue() as string}
+            style={{ width: cell.column.getSize() }}
+          >
+            {getValue() as string}
+          </span>
+        ),
+      },
+      {
+        id: 'country',
+        header: 'Country',
+        accessorKey: 'country',
+        size: 40,
+        maxSize: 40,
+        cell: ({ getValue }) => (
+          <span className="text-text-secondary text-sm">{getValue() as string}</span>
+        ),
+      },
+      {
+        id: 'currency',
+        header: 'Currency',
+        accessorKey: 'currency',
+        size: 40,
+        cell: ({ getValue, cell }) => (
+          <span
+            className="font-mono text-text-secondary text-sm"
+            style={{ width: cell.column.getSize() }}
+          >
+            {getValue() as string}
+          </span>
+        ),
+      },
+      {
+        id: 'active',
+        header: 'Active',
+        accessorKey: 'active',
+        size: 80,
+        maxSize: 80,
+        cell: ({ getValue, row, cell }) => {
+          const isActive = getValue() as boolean;
+          return (
+            <label
+              className="relative inline-flex items-center cursor-pointer"
+              style={{ width: cell.column.getSize() }}
+            >
+              <input
+                type="checkbox"
+                checked={isActive}
+                onChange={() => handleToggleActive(row.original._id, isActive)}
+                className="sr-only peer"
+              />
+              <div className="w-9 h-5 bg-surface-secondary peer-focus:outline-none peer-focus:ring-2 peer-focus:ring-primary-500 rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:rounded-full after:h-4 after:w-4 after:transition-all peer-checked:bg-primary-500"></div>
+            </label>
+          );
+        },
+      },
+      {
+        id: 'sources',
+        header: 'Sources',
+        accessorKey: 'sourceMappings',
+        minSize: 400,
+        maxSize: 400,
+        size: 400,
+        enableResizing: true,
+        cell: ({ getValue, row, cell }) => {
+          const sourceMappings = getValue() as Record<string, SourceMapping>;
+          const sources = Object.keys(sourceMappings);
+
+          return (
+            <div className="flex flex-wrap gap-1" style={{ width: cell.column.getSize() }}>
+              {sources.map(source => (
+                <span
+                  key={source}
+                  className="inline-flex items-center gap-1 px-2 py-1 bg-surface-secondary rounded text-xs"
+                >
+                  {source.toUpperCase()}
+                  <button
+                    onClick={() => handleRemoveSource(row.original._id, source)}
+                    className="text-danger hover:text-danger/80 transition-colors"
+                  >
+                    <XMarkIcon className="h-3 w-3" />
+                  </button>
+                </span>
+              ))}
+              <button
+                onClick={() => handleAddSource(row.original._id, row.original.officialName)}
+                className="inline-flex items-center gap-1 px-2 py-1 bg-primary-500/20 text-primary-400 rounded text-xs hover:bg-primary-500/30 transition-colors"
+              >
+                <PlusIcon className="h-3 w-3" />
+                Add Source
+              </button>
+            </div>
+          );
+        },
+      },
+      {
+        id: 'updated_at',
+        header: 'Last Updated',
+        accessorKey: 'updated_at',
+        size: 150,
+        maxSize: 150,
+        cell: ({ getValue }) => (
+          <span className="text-xs text-text-muted">
+            {new Date(getValue() as string).toLocaleDateString()}
+          </span>
+        ),
+      },
+    ];
+  }, [
+    editingCell,
+    editValue,
+    handleCellEdit,
+    handleRemoveSource,
+    handleToggleActive,
+    handleAddSource,
+  ]);
+
+  if (error) {
+    return (
+      <div className="bg-danger/10 border border-danger/20 rounded-lg p-4">
+        <h3 className="text-danger font-medium mb-2">Error Loading Exchanges</h3>
+        <p className="text-text-secondary text-sm">{error}</p>
+        <p className="text-text-muted text-xs mt-2">
+          Make sure the data-service is running on localhost:2001
+        </p>
+      </div>
+    );
+  }
+
+  return (
+    <div className="space-y-4">
+      <div className="flex items-center justify-between">
+        <div>
+          <h2 className="text-lg font-bold text-text-primary">Exchanges Management</h2>
+          <p className="text-sm text-text-secondary">
+            Manage exchange configurations and source mappings
+          </p>
+        </div>
+        <div className="text-sm text-text-muted">{exchanges?.length || 0} exchanges loaded</div>
+      </div>
+
+      <DataTable
+        data={exchanges || []}
+        columns={columns}
+        loading={loading}
+        className="rounded-lg border border-border"
+      />
+
+      <div className="mt-2 text-xs text-text-muted">
+        Debug: Data length: {exchanges?.length || 0}, Loading: {loading.toString()}, Error:{' '}
+        {error || 'none'}
+      </div>
+
+      {addSourceDialog && (
+        <AddSourceDialog
+          isOpen={true}
+          exchangeId={addSourceDialog.id}
+          exchangeName={addSourceDialog.exchangeName}
+          onClose={() => setAddSourceDialog(null)}
+          onAddSource={async (sourceRequest: {
+            source: string;
+            mapping: { id: string; name: string; code: string; aliases: string[] };
+          }) => {
+            const success = await addSource(addSourceDialog.id, sourceRequest);
+            if (success) {
+              setAddSourceDialog(null);
+            }
+          }}
+        />
+      )}
+    </div>
+  );
+}

apps/web/src/features/exchanges/components/index.ts

@@ -0,0 +1,2 @@
+export { AddSourceDialog } from './AddSourceDialog';
+export { ExchangesTable } from './ExchangesTable';

apps/web/src/features/exchanges/hooks/index.ts

@@ -0,0 +1 @@
+export { useExchanges } from './useExchanges';

apps/web/src/features/exchanges/hooks/useExchanges.ts

@@ -0,0 +1,132 @@
+import { useCallback, useEffect, useState } from 'react';
+import { AddSourceRequest, Exchange, UpdateExchangeRequest } from '../types';
+
+const API_BASE_URL = 'http://localhost:2001/api';
+
+export function useExchanges() {
+  const [exchanges, setExchanges] = useState<Exchange[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  const fetchExchanges = useCallback(async () => {
+    try {
+      setLoading(true);
+      setError(null);
+
+      const response = await fetch(`${API_BASE_URL}/exchanges`);
+
+      if (!response.ok) {
+        throw new Error(`Failed to fetch exchanges: ${response.statusText}`);
+      }
+
+      const data = await response.json();
+
+      if (data.status === 'success') {
+        // The API returns exchanges directly in data.data array
+        setExchanges(data.data || []);
+      } else {
+        throw new Error('API returned error status');
+      }
+    } catch (err) {
+      console.error('Error fetching exchanges:', err);
+      setError(err instanceof Error ? err.message : 'Failed to fetch exchanges');
+      setExchanges([]); // Reset to empty array on error
+    } finally {
+      setLoading(false);
+    }
+  }, []);
+
+  const updateExchange = useCallback(
+    async (id: string, updates: UpdateExchangeRequest) => {
+      try {
+        const response = await fetch(`${API_BASE_URL}/exchanges/${id}`, {
+          method: 'PATCH',
+          headers: {
+            'Content-Type': 'application/json',
+          },
+          body: JSON.stringify(updates),
+        });
+
+        if (!response.ok) {
+          throw new Error(`Failed to update exchange: ${response.statusText}`);
+        }
+
+        // Refresh the exchanges list
+        await fetchExchanges();
+        return true;
+      } catch (err) {
+        console.error('Error updating exchange:', err);
+        setError(err instanceof Error ? err.message : 'Failed to update exchange');
+        return false;
+      }
+    },
+    [fetchExchanges]
+  );
+
+  const addSource = useCallback(
+    async (exchangeId: string, sourceRequest: AddSourceRequest) => {
+      try {
+        const response = await fetch(`${API_BASE_URL}/exchanges/${exchangeId}/sources`, {
+          method: 'POST',
+          headers: {
+            'Content-Type': 'application/json',
+          },
+          body: JSON.stringify(sourceRequest),
+        });
+
+        if (!response.ok) {
+          throw new Error(`Failed to add source: ${response.statusText}`);
+        }
+
+        // Refresh the exchanges list
+        await fetchExchanges();
+        return true;
+      } catch (err) {
+        console.error('Error adding source:', err);
+        setError(err instanceof Error ? err.message : 'Failed to add source');
+        return false;
+      }
+    },
+    [fetchExchanges]
+  );
+
+  const removeSource = useCallback(
+    async (exchangeId: string, sourceName: string) => {
+      try {
+        const response = await fetch(
+          `${API_BASE_URL}/exchanges/${exchangeId}/sources/${sourceName}`,
+          {
+            method: 'DELETE',
+          }
+        );
+
+        if (!response.ok) {
+          throw new Error(`Failed to remove source: ${response.statusText}`);
+        }
+
+        // Refresh the exchanges list
+        await fetchExchanges();
+        return true;
+      } catch (err) {
+        console.error('Error removing source:', err);
+        setError(err instanceof Error ? err.message : 'Failed to remove source');
+        return false;
+      }
+    },
+    [fetchExchanges]
+  );
+
+  useEffect(() => {
+    fetchExchanges();
+  }, [fetchExchanges]);
+
+  return {
+    exchanges,
+    loading,
+    error,
+    refetch: fetchExchanges,
+    updateExchange,
+    addSource,
+    removeSource,
+  };
+}

apps/web/src/features/exchanges/index.ts

@@ -0,0 +1,4 @@
+export * from './components';
+export { ExchangesPage } from './ExchangesPage';
+export * from './hooks';
+export * from './types';

apps/web/src/features/exchanges/types/index.ts

@@ -0,0 +1,45 @@
+export interface SourceMapping {
+  id: string;
+  name: string;
+  code: string;
+  aliases: string[];
+  lastUpdated: string;
+}
+
+export interface Exchange {
+  _id: string;
+  masterExchangeId: string;
+  shortName: string;
+  officialName: string;
+  country: string;
+  currency: string;
+  timezone: string;
+  active: boolean;
+  sourceMappings: Record<string, SourceMapping>;
+  confidence: number;
+  verified: boolean;
+  source: string;
+  created_at: string;
+  updated_at: string;
+}
+
+export interface ExchangesApiResponse {
+  status: string;
+  data: Exchange[]; // Exchanges are directly in data array
+  count: number;
+}
+
+export interface UpdateExchangeRequest {
+  shortName?: string;
+  active?: boolean;
+}
+
+export interface AddSourceRequest {
+  source: string;
+  mapping: {
+    id: string;
+    name: string;
+    code: string;
+    aliases: string[];
+  };
+}

apps/web/src/lib/constants.ts

@@ -0,0 +1,17 @@
+import {
+  BuildingLibraryIcon,
+  ChartBarIcon,
+  CogIcon,
+  DocumentTextIcon,
+  HomeIcon,
+  PresentationChartLineIcon,
+} from '@heroicons/react/24/outline';
+
+export const navigation = [
+  { name: 'Dashboard', href: '/dashboard', icon: HomeIcon },
+  { name: 'Exchanges', href: '/exchanges', icon: BuildingLibraryIcon },
+  { name: 'Portfolio', href: '/portfolio', icon: ChartBarIcon },
+  { name: 'Strategies', href: '/strategies', icon: DocumentTextIcon },
+  { name: 'Analytics', href: '/analytics', icon: PresentationChartLineIcon },
+  { name: 'Settings', href: '/settings', icon: CogIcon },
+];

apps/web/src/lib/constants/navigation.ts

@@ -1,4 +1,5 @@
 import {
+  BuildingOfficeIcon,
   ChartBarIcon,
   CogIcon,
   CurrencyDollarIcon,
@@ -25,6 +26,12 @@ export const navigation = [
     icon: ChartBarIcon,
     current: false,
   },
+  {
+    name: 'Exchanges',
+    href: '/exchanges',
+    icon: BuildingOfficeIcon,
+    current: false,
+  },
   {
     name: 'Reports',
     href: '/reports',

apps/web/src/lib/utils.ts

@@ -0,0 +1,25 @@
+import { clsx, type ClassValue } from 'clsx';
+import { twMerge } from 'tailwind-merge';
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs));
+}
+
+// Utility functions for financial data formatting
+export function formatCurrency(value: number): string {
+  return new Intl.NumberFormat('en-US', {
+    style: 'currency',
+    currency: 'USD',
+    minimumFractionDigits: 2,
+  }).format(value);
+}
+
+export function formatPercentage(value: number): string {
+  return `${value >= 0 ? '+' : ''}${value.toFixed(2)}%`;
+}
+
+export function getValueColor(value: number): string {
+  if (value > 0) return 'text-success';
+  if (value < 0) return 'text-danger';
+  return 'text-text-secondary';
+}

bun.lock

@@ -143,6 +143,7 @@
         "@headlessui/react": "^1.7.17",
         "@heroicons/react": "^2.0.18",
         "@tanstack/react-table": "^8.21.3",
+        "@types/react-router-dom": "^5.3.3",
         "@types/react-virtualized-auto-sizer": "^1.0.8",
         "@types/react-window": "^1.8.8",
         "clsx": "^2.1.1",
@@ -750,6 +751,8 @@
 
     "@types/estree": ["@types/estree@1.0.7", "", {}, "sha512-w28IoSUCJpidD/TGviZwwMJckNESJZXFu7NBZ5YJ4mEUnNraUn9Pm8HSZm/jDF1pDWYKspWE7oVphigUPRakIQ=="],
 
+    "@types/history": ["@types/history@4.7.11", "", {}, "sha512-qjDJRrmvBMiTx+jyLxvLfJU7UznFuokDv4f3WRuriHKERccVpFU+8XMQUAbDzoiJCsmexxRExQeMwwCdamSKDA=="],
+
     "@types/http-cache-semantics": ["@types/http-cache-semantics@4.0.4", "", {}, "sha512-1m0bIFVc7eJWyve9S0RnuRgcQqF/Xd5QsUZAZeQFr1Q3/p9JWoQQEqmVy+DPTNpGXwhgIetAoYF8JSc33q29QA=="],
 
     "@types/json-schema": ["@types/json-schema@7.0.15", "", {}, "sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA=="],
@@ -770,6 +773,10 @@
 
     "@types/react-dom": ["@types/react-dom@18.3.7", "", { "peerDependencies": { "@types/react": "^18.0.0" } }, "sha512-MEe3UeoENYVFXzoXEWsvcpg6ZvlrFNlOQ7EOsvhI3CfAXwzPfO8Qwuxd40nepsYKqyyVQnTdEfv68q91yLcKrQ=="],
 
+    "@types/react-router": ["@types/react-router@5.1.20", "", { "dependencies": { "@types/history": "^4.7.11", "@types/react": "*" } }, "sha512-jGjmu/ZqS7FjSH6owMcD5qpq19+1RS9DeVRqfl1FeBMxTDQAGwlMWOcs52NDoXaNKyG3d1cYQFMs9rCrb88o9Q=="],
+
+    "@types/react-router-dom": ["@types/react-router-dom@5.3.3", "", { "dependencies": { "@types/history": "^4.7.11", "@types/react": "*", "@types/react-router": "*" } }, "sha512-kpqnYK4wcdm5UaWI3fLcELopqLrHgLqNsdpHauzlQktfkHL3npOSwtj1Uz9oKBAzs7lFtVkV8j83voAz2D8fhw=="],
+
     "@types/react-virtualized-auto-sizer": ["@types/react-virtualized-auto-sizer@1.0.8", "", { "dependencies": { "react-virtualized-auto-sizer": "*" } }, "sha512-keJpNyhiwfl2+N12G1ocCVA5ZDBArbPLe/S90X3kt7fam9naeHdaYYWbpe2sHczp70JWJ+2QLhBE8kLvLuVNjA=="],
 
     "@types/react-window": ["@types/react-window@1.8.8", "", { "dependencies": { "@types/react": "*" } }, "sha512-8Ls660bHR1AUA2kuRvVG9D/4XpRC6wjAaPT9dil7Ckc76eP9TKWZwwmgfq8Q1LANX3QNDnoU4Zp48A3w+zK69Q=="],