diff --git a/modules/boersenchecker/assets/boersenchecker-native.js b/modules/boersenchecker/assets/boersenchecker-native.js
index 545a4450..3859e28c 100644
--- a/modules/boersenchecker/assets/boersenchecker-native.js
+++ b/modules/boersenchecker/assets/boersenchecker-native.js
@@ -78,7 +78,7 @@
       return;
     }
 
-    const entryRoute = String(options?.entryRoute || '/apps/boersenchecker');
+    const entryRoute = String(options?.entryRoute || '/apps/boersenchecker/index.php');
     const defaultView = String(options?.defaultView || 'overview');
 
     const state = {
@@ -100,7 +100,19 @@
         host.innerHTML = html;
         enhanceHost(host, this);
         if (typeof window.initBoersencheckerCharts === 'function') {
-          window.initBoersencheckerCharts(host);
+          try {
+            window.initBoersencheckerCharts(host);
+          } catch (error) {
+            const message = error instanceof Error ? error.message : 'Chart-Initialisierung fehlgeschlagen.';
+            const statusNode = host.querySelector('[data-bc-chart-status]');
+            const chartNode = host.querySelector('[data-bc-chart]');
+            if (statusNode instanceof HTMLElement) {
+              statusNode.textContent = message;
+            }
+            if (chartNode instanceof HTMLElement) {
+              chartNode.innerHTML = `<div class="muted">${message}</div>`;
+            }
+          }
         }
       },
       renderError(error) {
diff --git a/modules/boersenchecker/design.json b/modules/boersenchecker/design.json
index c7aa23cd..8d4d037e 100644
--- a/modules/boersenchecker/design.json
+++ b/modules/boersenchecker/design.json
@@ -4,12 +4,12 @@
   "description": "Depotverwaltung fuer Aktien, Kaufdaten, Kursverlauf und Waehrungsumrechnung.",
   "actions": [
     { "label": "Desktop", "href": "/" },
-    { "label": "Setup", "href": "/apps/boersenchecker?view=setup" }
+    { "label": "Setup", "href": "/apps/boersenchecker/index.php?view=setup" }
   ],
   "tabs": [
-    { "label": "Ueberblick", "href": "/apps/boersenchecker?view=overview", "view": "overview" },
-    { "label": "Depotverwaltung", "href": "/apps/boersenchecker?view=depotverwaltung", "view": "depotverwaltung" },
-    { "label": "Aktienverwaltung", "href": "/apps/boersenchecker?view=aktienverwaltung", "view": "aktienverwaltung" },
-    { "label": "Setup", "href": "/apps/boersenchecker?view=setup", "view": "setup" }
+    { "label": "Ueberblick", "href": "/apps/boersenchecker/index.php?view=overview", "view": "overview" },
+    { "label": "Depotverwaltung", "href": "/apps/boersenchecker/index.php?view=depotverwaltung", "view": "depotverwaltung" },
+    { "label": "Aktienverwaltung", "href": "/apps/boersenchecker/index.php?view=aktienverwaltung", "view": "aktienverwaltung" },
+    { "label": "Setup", "href": "/apps/boersenchecker/index.php?view=setup", "view": "setup" }
   ]
 }
diff --git a/modules/boersenchecker/desktop.php b/modules/boersenchecker/desktop.php
index 1b0b1967..643dc40a 100644
--- a/modules/boersenchecker/desktop.php
+++ b/modules/boersenchecker/desktop.php
@@ -13,7 +13,7 @@ return [
     'app_id' => 'boersenchecker',
     'title' => (string) ($manifest['title'] ?? 'Börsenchecker'),
     'icon' => 'BC',
-    'entry_route' => '/apps/boersenchecker',
+    'entry_route' => '/apps/boersenchecker/index.php',
     'window_mode' => 'window',
     'content_mode' => 'native-module',
     'default_width' => 1220,
@@ -25,7 +25,7 @@ return [
     'native_module' => [
         'initializer' => 'initBoersencheckerApp',
         'options' => [
-            'entryRoute' => '/apps/boersenchecker',
+            'entryRoute' => '/apps/boersenchecker/index.php',
             'defaultView' => 'overview',
         ],
         'assets' => [
diff --git a/modules/boersenchecker/partials/dashboard.php b/modules/boersenchecker/partials/dashboard.php
index d5284d5d..77c15fd4 100644
--- a/modules/boersenchecker/partials/dashboard.php
+++ b/modules/boersenchecker/partials/dashboard.php
@@ -17,7 +17,7 @@
           <p>Depots anderer Benutzer sind nur fuer `appadmin` sichtbar und bearbeitbar.</p>
         </div>
       </div>
-      <form method="get" action="/apps/boersenchecker" style="margin-top:16px; display:flex; gap:10px; flex-wrap:wrap; align-items:end;">
+      <form method="get" action="/apps/boersenchecker/index.php" style="margin-top:16px; display:flex; gap:10px; flex-wrap:wrap; align-items:end;">
         <input type="hidden" name="view" value="depotverwaltung">
         <label class="setup-field muted" style="margin:0; min-width:260px;">
           <span>Depots von Benutzer</span>
@@ -61,7 +61,7 @@
         <div class="bc-actions">
           <button class="bc-button bc-button--primary" type="submit">Depot speichern</button>
           <?php if ($editPortfolio): ?>
-            <a class="bc-button bc-button--secondary" href="/apps/boersenchecker?view=depotverwaltung<?= e($ownerQuery) ?>">Abbrechen</a>
+            <a class="bc-button bc-button--secondary" href="/apps/boersenchecker/index.php?view=depotverwaltung<?= e($ownerQuery) ?>">Abbrechen</a>
           <?php endif; ?>
         </div>
       </form>
@@ -97,7 +97,7 @@
         Alpha Vantage Mindestabstand: <?= e((string) $marketDataMinIntervalMinutes) ?> Min.
       </div>
       <div class="muted" style="margin-top:6px;">
-        API-Key und Timeout fuer Aktienkurse werden ueber <a href="/apps/boersenchecker?view=setup">dieses Modul-Setup</a> gepflegt.
+        API-Key und Timeout fuer Aktienkurse werden ueber <a href="/apps/boersenchecker/index.php?view=setup">dieses Modul-Setup</a> gepflegt.
       </div>
       <div class="muted" style="margin-top:6px;">
         FX-Provider, API-Key und Waehrungskatalog werden im Modul <a href="/apps/fx-rates">fx-rates</a> gepflegt.
@@ -189,7 +189,7 @@
         <div class="bc-actions">
           <button class="bc-button bc-button--primary" type="submit">Position speichern</button>
           <?php if ($editPosition): ?>
-            <a class="bc-button bc-button--secondary" href="/apps/boersenchecker?view=depotverwaltung<?= e($ownerQuery) ?>">Abbrechen</a>
+            <a class="bc-button bc-button--secondary" href="/apps/boersenchecker/index.php?view=depotverwaltung<?= e($ownerQuery) ?>">Abbrechen</a>
           <?php endif; ?>
         </div>
       </form>
@@ -237,7 +237,7 @@
               <td><?= e((string) ($result['currency'] ?? '')) ?></td>
               <td><?= e((string) ($result['match_score'] ?? '')) ?></td>
               <td>
-                <a class="bc-button bc-button--secondary" href="/apps/boersenchecker?view=depotverwaltung&owner_sub=<?= urlencode((string) $ownerSub) ?>&symbol_candidate=<?= urlencode((string) ($result['symbol'] ?? '')) ?>&instrument_name_candidate=<?= urlencode((string) ($result['name'] ?? '')) ?>&isin_candidate=<?= urlencode((string) ($result['isin'] ?? '')) ?>&market_candidate=<?= urlencode((string) ($result['region'] ?? '')) ?>&quote_currency_candidate=<?= urlencode((string) ($result['currency'] ?? '')) ?>">
+                <a class="bc-button bc-button--secondary" href="/apps/boersenchecker/index.php?view=depotverwaltung&owner_sub=<?= urlencode((string) $ownerSub) ?>&symbol_candidate=<?= urlencode((string) ($result['symbol'] ?? '')) ?>&instrument_name_candidate=<?= urlencode((string) ($result['name'] ?? '')) ?>&isin_candidate=<?= urlencode((string) ($result['isin'] ?? '')) ?>&market_candidate=<?= urlencode((string) ($result['region'] ?? '')) ?>&quote_currency_candidate=<?= urlencode((string) ($result['currency'] ?? '')) ?>">
                   In Formular uebernehmen
                 </a>
               </td>
@@ -324,7 +324,7 @@
                 <div class="muted"><?= e((string) $portfolio['base_currency']) ?> · <?= e((string) $stats['positions']) ?> Position(en)</div>
               </div>
               <div class="bc-actions">
-                <a class="bc-button bc-button--secondary" href="/apps/boersenchecker?view=depotverwaltung&owner_sub=<?= urlencode((string) $ownerSub) ?>&edit_portfolio=<?= e((string) $portfolioId) ?>">Bearbeiten</a>
+                <a class="bc-button bc-button--secondary" href="/apps/boersenchecker/index.php?view=depotverwaltung&owner_sub=<?= urlencode((string) $ownerSub) ?>&edit_portfolio=<?= e((string) $portfolioId) ?>">Bearbeiten</a>
                 <form method="post" onsubmit="return confirm('Depot wirklich loeschen?')">
                   <input type="hidden" name="action" value="delete_portfolio">
                   <input type="hidden" name="owner_sub" value="<?= e((string) $ownerSub) ?>">
@@ -425,8 +425,8 @@
               </td>
               <td>
                 <div class="bc-actions">
-                  <a class="bc-button bc-button--secondary" href="/apps/boersenchecker?view=depotverwaltung&owner_sub=<?= urlencode((string) $ownerSub) ?>&edit_position=<?= e((string) $position['id']) ?>">Bearbeiten</a>
-                  <a class="bc-button bc-button--secondary" href="/apps/boersenchecker?view=depotverwaltung&owner_sub=<?= urlencode((string) $ownerSub) ?>&instrument_id=<?= e((string) $position['instrument_id']) ?>">Kurs erfassen</a>
+                  <a class="bc-button bc-button--secondary" href="/apps/boersenchecker/index.php?view=depotverwaltung&owner_sub=<?= urlencode((string) $ownerSub) ?>&edit_position=<?= e((string) $position['id']) ?>">Bearbeiten</a>
+                  <a class="bc-button bc-button--secondary" href="/apps/boersenchecker/index.php?view=depotverwaltung&owner_sub=<?= urlencode((string) $ownerSub) ?>&instrument_id=<?= e((string) $position['instrument_id']) ?>">Kurs erfassen</a>
                   <form method="post">
                     <input type="hidden" name="action" value="refresh_market_data_position">
                     <input type="hidden" name="owner_sub" value="<?= e((string) $ownerSub) ?>">
@@ -469,7 +469,7 @@
                   <?= e((string) ($instrument['symbol'] ?: '-')) ?> · <?= e((string) ($instrument['isin'] ?: '-')) ?>
                 </div>
               </div>
-              <a class="bc-button bc-button--secondary" href="/apps/boersenchecker?view=depotverwaltung&owner_sub=<?= urlencode((string) $ownerSub) ?>&instrument_id=<?= e((string) $instrumentId) ?>">Neuen Kurs erfassen</a>
+              <a class="bc-button bc-button--secondary" href="/apps/boersenchecker/index.php?view=depotverwaltung&owner_sub=<?= urlencode((string) $ownerSub) ?>&instrument_id=<?= e((string) $instrumentId) ?>">Neuen Kurs erfassen</a>
             </div>
             <?php if ($history === []): ?>
               <div class="muted" style="margin-top:12px;">Noch keine historischen Kurse vorhanden.</div>
diff --git a/modules/boersenchecker/partials/home.php b/modules/boersenchecker/partials/home.php
index b0370570..a0e03242 100644
--- a/modules/boersenchecker/partials/home.php
+++ b/modules/boersenchecker/partials/home.php
@@ -25,7 +25,7 @@
           </div>
         </div>
         <div class="bc-toolbar" style="margin-top:16px;">
-          <form class="bc-panel" method="get" action="/apps/boersenchecker">
+          <form class="bc-panel" method="get" action="/apps/boersenchecker/index.php">
             <input type="hidden" name="view" value="overview">
             <div class="bc-field-label">Depotauswahl</div>
             <?php if ($portfolios === []): ?>
@@ -44,7 +44,7 @@
             <?php endif; ?>
           </form>
 
-          <form class="bc-panel" method="get" action="/apps/boersenchecker">
+          <form class="bc-panel" method="get" action="/apps/boersenchecker/index.php">
             <input type="hidden" name="view" value="overview">
             <input type="hidden" name="portfolio_id" value="<?= e((string) $selectedPortfolioId) ?>">
             <div class="bc-field-label">Aktienauswahl</div>
diff --git a/modules/boersenchecker/partials/instruments.php b/modules/boersenchecker/partials/instruments.php
index ba68905b..5307596e 100644
--- a/modules/boersenchecker/partials/instruments.php
+++ b/modules/boersenchecker/partials/instruments.php
@@ -16,7 +16,7 @@
           <p>Systemweit vorhandene Aktie aus allen Depots auswaehlen.</p>
         </div>
       </div>
-      <form method="get" action="/apps/boersenchecker" style="margin-top:16px;">
+      <form method="get" action="/apps/boersenchecker/index.php" style="margin-top:16px;">
         <input type="hidden" name="view" value="aktienverwaltung">
         <label class="setup-field muted">
           <span>Aktien aller Depots</span>
@@ -68,7 +68,7 @@
                 <td><?= e((string) ($result['region'] ?? '')) ?></td>
                 <td><?= e((string) ($result['currency'] ?? '')) ?></td>
                 <td>
-                  <a class="bc-button bc-button--secondary" href="/apps/boersenchecker?view=aktienverwaltung&instrument_id=<?= e((string) $selectedInstrumentId) ?>&symbol_candidate=<?= urlencode((string) ($result['symbol'] ?? '')) ?>&instrument_name_candidate=<?= urlencode((string) ($result['name'] ?? '')) ?>&isin_candidate=<?= urlencode((string) ($result['isin'] ?? '')) ?>&market_candidate=<?= urlencode((string) ($result['region'] ?? '')) ?>&quote_currency_candidate=<?= urlencode((string) ($result['currency'] ?? '')) ?>">
+                  <a class="bc-button bc-button--secondary" href="/apps/boersenchecker/index.php?view=aktienverwaltung&instrument_id=<?= e((string) $selectedInstrumentId) ?>&symbol_candidate=<?= urlencode((string) ($result['symbol'] ?? '')) ?>&instrument_name_candidate=<?= urlencode((string) ($result['name'] ?? '')) ?>&isin_candidate=<?= urlencode((string) ($result['isin'] ?? '')) ?>&market_candidate=<?= urlencode((string) ($result['region'] ?? '')) ?>&quote_currency_candidate=<?= urlencode((string) ($result['currency'] ?? '')) ?>">
                     Uebernehmen
                   </a>
                 </td>