refactor: overhaul NFO settings UI and backend

- Rework nfo-settings page with improved styling and layout
- Update edit-modal and context-menu with enhanced functionality
- Refactor NFO API endpoints and models
- Remove deprecated test_nfo_diagnostics_repair.py
- Clean up tasks.md documentation

src/server/web/static/js/index/context-menu.js

@@ -71,6 +71,10 @@ AniWorld.ContextMenu = (function() {
                 <i class="fa-solid fa-pen-to-square"></i>
                 <span>Edit Metadata</span>
             </div>
+            <div class="context-menu-item" data-action="nfo-diagnostics">
+                <i class="fa-solid fa-file-circle-check"></i>
+                <span>NFO Diagnostics</span>
+            </div>
         `;
 
         document.body.appendChild(menuElement);
@@ -102,6 +106,13 @@ AniWorld.ContextMenu = (function() {
                 AniWorld.EditModal.open(currentSeriesKey);
             }
         });
+
+        // NFO Diagnostics - opens the full NFO settings page
+        menuElement.querySelector('[data-action="nfo-diagnostics"]').addEventListener('click', function() {
+            hide();
+            // Navigate to NFO settings page with this series selected
+            window.location.href = '/settings/nfo?key=' + encodeURIComponent(currentSeriesKey);
+        });
     }
 
     /**

src/server/web/static/js/index/edit-modal.js

@@ -36,12 +36,13 @@ AniWorld.EditModal = (function() {
         hideKeyWarning();
 
         try {
-            // Try to find series data from the local series list first
-            let seriesData = findSeriesData(seriesKey);
+            // Always fetch fresh data from API for edit modal to ensure accuracy
+            // This is more reliable than local cache which may be stale or missing
+            let seriesData = await fetchSeriesDetails(seriesKey);
 
-            // If not found locally, fetch from API
+            // Fallback: try local data if API fails
             if (!seriesData) {
-                seriesData = await fetchSeriesDetails(seriesKey);
+                seriesData = findSeriesData(seriesKey);
             }
 
             originalData = {
@@ -384,6 +385,7 @@ AniWorld.EditModal = (function() {
     function renderDiagnostics(data) {
         const badge = document.getElementById('nfo-status-badge');
         const tagsList = document.getElementById('nfo-missing-tags');
+        const pathDisplay = document.getElementById('nfo-path-display');
 
         if (badge) {
             if (!data.has_nfo) {
@@ -398,6 +400,19 @@ AniWorld.EditModal = (function() {
             }
         }
 
+        // Show NFO path if available
+        if (pathDisplay) {
+            if (data.nfo_path) {
+                // Extract just the relative path from the full path
+                const parts = data.nfo_path.split('/');
+                const relativePath = parts.slice(-3).join('/'); // folder/tvshow.nfo
+                pathDisplay.textContent = relativePath;
+                pathDisplay.title = data.nfo_path;
+            } else {
+                pathDisplay.textContent = '';
+            }
+        }
+
         if (tagsList) {
             if (data.missing_tags.length === 0) {
                 tagsList.innerHTML = '<p class="nfo-all-good">All required tags present</p>';