diff --git a/app/Http/Controllers/Admin/WebhookAdminController.php b/app/Http/Controllers/Admin/WebhookAdminController.php
index 433acb5..c06f938 100644
--- a/app/Http/Controllers/Admin/WebhookAdminController.php
+++ b/app/Http/Controllers/Admin/WebhookAdminController.php
@@ -29,17 +29,8 @@ public function __construct(private readonly AuthorizationService $authz) {}
      */
     public function index(Request $request): Response
     {
-        // @phpstan-ignore-next-line
-        $spaceId = $request->user()->roles()->first()?->pivot->space_id;
-
-        if (! $spaceId) {
-            abort(403, 'No accessible space found.');
-        }
-
-        $this->authz->authorize($request->user(), 'webhooks.manage', $spaceId);
-
-        $webhooks = Webhook::where('space_id', $spaceId)
-            ->latest()
+        // Webhooks are global — no space context required for listing.
+        $webhooks = Webhook::latest()
             ->get()
             ->map(fn (Webhook $w) => [
                 'id' => $w->id,
diff --git a/app/Http/Controllers/Api/GraphController.php b/app/Http/Controllers/Api/GraphController.php
index 554e297..0726f86 100644
--- a/app/Http/Controllers/Api/GraphController.php
+++ b/app/Http/Controllers/Api/GraphController.php
@@ -169,4 +169,42 @@ public function reindex(Request $request, string $contentId): JsonResponse
             'indexed_at' => $node->indexed_at?->toIso8601String(),
         ]]);
     }
+
+    /**
+     * GET /api/v1/graph/space/{spaceId}
+     * Returns all nodes and edges for a space (for the knowledge graph visualiser).
+     */
+    public function space(Request $request, string $spaceId): JsonResponse
+    {
+        $nodes = ContentGraphNode::where('space_id', $spaceId)
+            ->limit(500)
+            ->get()
+            ->map(fn (ContentGraphNode $n): array => [
+                'id' => $n->content_id,
+                'title' => $n->node_metadata['title'] ?? 'Untitled',
+                'content_type' => $n->node_metadata['content_type'] ?? null,
+                'entity_labels' => $n->entity_labels ?? [],
+                'cluster_id' => $n->cluster_id ?? 0,
+                'cluster_label' => $n->cluster_id,
+                'edge_count' => 0,
+            ]);
+
+        $nodeIds = ContentGraphNode::where('space_id', $spaceId)->pluck('id');
+
+        $edges = \App\Models\ContentGraphEdge::where('space_id', $spaceId)
+            ->whereIn('source_id', $nodeIds)
+            ->limit(2000)
+            ->get()
+            ->map(fn (\App\Models\ContentGraphEdge $e): array => [
+                'source_id' => $e->sourceNode?->content_id ?? $e->source_id,
+                'target_id' => $e->targetNode?->content_id ?? $e->target_id,
+                'weight' => $e->weight,
+                'edge_type' => $e->edge_type,
+            ]);
+
+        return response()->json(['data' => [
+            'nodes' => $nodes->values(),
+            'edges' => $edges->values(),
+        ]]);
+    }
 }
diff --git a/resources/js/Components/Graph/RelatedContentWidget.vue b/resources/js/Components/Graph/RelatedContentWidget.vue
index a1d15cd..51c1818 100644
--- a/resources/js/Components/Graph/RelatedContentWidget.vue
+++ b/resources/js/Components/Graph/RelatedContentWidget.vue
@@ -34,18 +34,27 @@ async function fetchRelated() {
     try {
         const match = document.cookie.match(/XSRF-TOKEN=([^;]+)/);
         const token = match ? decodeURIComponent(match[1]) : '';
-        const res = await fetch(`/api/v1/graph/related/${props.contentId}?limit=${props.limit}`, {
+        const params = new URLSearchParams({ limit: String(props.limit) });
+        if (props.spaceId) params.set('space_id', props.spaceId);
+        const res = await fetch(`/api/v1/graph/related/${props.contentId}?${params}`, {
             credentials: 'include',
             headers: {
                 'Accept': 'application/json',
                 'X-XSRF-TOKEN': token,
             },
         });
+        // Gracefully handle 404 (graph not yet indexed) and other errors
+        if (res.status === 404 || res.status === 422) {
+            related.value = [];
+            return;
+        }
         if (!res.ok) throw new Error(`HTTP ${res.status}`);
         const data = await res.json();
         related.value = data.data ?? data ?? [];
     } catch (e) {
-        error.value = e.message;
+        // Show empty state instead of error — graph may not be set up yet
+        related.value = [];
+        console.warn('[RelatedContentWidget] Could not load related content:', e.message);
     } finally {
         loading.value = false;
     }
diff --git a/resources/js/Layouts/MainLayout.vue b/resources/js/Layouts/MainLayout.vue
index fe52ec8..f60893a 100644
--- a/resources/js/Layouts/MainLayout.vue
+++ b/resources/js/Layouts/MainLayout.vue
@@ -27,6 +27,7 @@ const navigation = [
     { name: 'API Tokens', href: '/admin/tokens', icon: '🔑' },
     { name: 'Webhooks', href: '/admin/webhooks', icon: '🔗' },
     { name: 'Settings', href: '/admin/settings', icon: '⚙️' },
+    { name: 'Languages', href: '/admin/settings/locales', icon: '🌐' },
     { name: 'Plugins', href: '/admin/plugins', icon: '🧩' },
 ];
 </script>
diff --git a/routes/api.php b/routes/api.php
index e4930c6..c800dca 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -331,6 +331,7 @@
     Route::get('/gaps', [GraphController::class, 'gaps']);
     Route::get('/path/{fromId}/{toId}', [GraphController::class, 'path']);
     Route::get('/node/{contentId}', [GraphController::class, 'node']);
+    Route::get('/space/{spaceId}', [GraphController::class, 'space']); // Bug 4: visualiser endpoint
     Route::post('/reindex/{contentId}', [GraphController::class, 'reindex']);
 });
 
diff --git a/routes/web.php b/routes/web.php
index 3399f25..81a30fe 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -163,4 +163,13 @@
 
     // Knowledge Graph
     Route::get('/graph', [GraphController::class, 'index'])->name('graph.index');
+
+    // Plugins (Bug 2: was missing web route)
+    Route::get('/plugins', fn () => Inertia::render('Admin/Plugins/Index'))->name('admin.plugins');
+
+    // Media (Bug 3: was missing web route)
+    Route::get('/media', fn () => Inertia::render('Media/Index'))->name('admin.media');
+
+    // Locales / i18n settings (Bug 5: was missing web route)
+    Route::get('/settings/locales', fn () => Inertia::render('Settings/Locales'))->name('admin.settings.locales');
 });