fix: three post-review corrections

- Filter source tags from gallery overlay refresh in view-modal.js and bulk-select.js
- Fix split(':', 1) bug causing series name to render as "undefined"
- Offset reader quick-nav above floating page indicator to prevent overlap

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/static/js/bulk-select.js

@@ -508,8 +508,8 @@
 
       if (!data.ok) return;
 
-      // Filter out archive tags (they're not shown)
-      const visibleTags = (data.tags || []).filter(t => t.kind !== 'archive');
+      // Filter out archive and source tags (they're not shown in overlays)
+      const visibleTags = (data.tags || []).filter(t => t.kind !== 'archive' && t.kind !== 'source');
 
       // Find or create tag overlay
       let overlay = item.querySelector('.tag-overlay');

app/static/js/view-modal.js

@@ -117,7 +117,7 @@ document.addEventListener('DOMContentLoaded', () => {
       const data = await r.json();
       if (!data.ok) return;
 
-      const visibleTags = (data.tags || []).filter(t => t.kind !== 'archive');
+      const visibleTags = (data.tags || []).filter(t => t.kind !== 'archive' && t.kind !== 'source');
       let overlay = item.querySelector('.tag-overlay');
 
       if (visibleTags.length === 0) {
@@ -233,7 +233,7 @@ document.addEventListener('DOMContentLoaded', () => {
 
     // Display series name (strip prefix)
     const displayName = seriesPage.series_name.includes(':')
-      ? seriesPage.series_name.split(':', 1)[1]
+      ? seriesPage.series_name.split(':', 2)[1]
       : seriesPage.series_name;
     if (seriesNameEl) {
       seriesNameEl.textContent = displayName;

app/static/style.css

@@ -2740,7 +2740,7 @@ body.select-mode .gallery-infinite-container {
 .reader-quick-nav {
   position: fixed;
   right: 1.5rem;
-  bottom: 1.5rem;
+  bottom: 5rem;
   display: flex;
   flex-direction: column;
   gap: 0.5rem;