Add graph fullscreen mode, collapsible panels, and relation row styling.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/views/GraphView.vue

@@ -1,6 +1,7 @@
 <template>
-  <div class="graph-view">
+  <div class="graph-view" :class="{ 'graph-view--chrome-collapsed': chromeCollapsed }">
     <GraphHeaderPanel
+      v-show="!chromeCollapsed"
       title="Граф связей"
       :show-physics-toggle="true"
       :physics-enabled="physicsEnabled"
@@ -8,7 +9,7 @@
       @toggle-physics="togglePhysics"
     />
 
-    <div class="graph-view-toolbar">
+    <div v-show="!chromeCollapsed" class="graph-view-toolbar">
       <p class="graph-link-hint text-muted">
         Ctrl+клик (⌘+клик) по двум узлам — создать связь.
         <span v-if="linkSelectionCount === 1">
@@ -22,7 +23,48 @@
       />
     </div>
 
-    <div class="graph-area">
+    <div class="graph-area" ref="graphArea">
+      <div class="graph-chrome-bar">
+        <button
+          type="button"
+          class="graph-chrome-toggle"
+          :title="chromeCollapsed ? 'Показать панели' : 'Свернуть панели'"
+          @click="toggleChrome"
+        >
+          <svg
+            width="14"
+            height="14"
+            viewBox="0 0 24 24"
+            fill="none"
+            stroke="currentColor"
+            stroke-width="2"
+            :class="{ 'graph-chrome-toggle__icon--collapsed': chromeCollapsed }"
+          >
+            <polyline points="18 15 12 9 6 15"/>
+          </svg>
+          <span>{{ chromeCollapsed ? 'Показать панели' : 'Свернуть панели' }}</span>
+        </button>
+      </div>
+      <button
+        v-if="!loading && nodes.length > 0"
+        type="button"
+        class="graph-fullscreen-btn"
+        :title="isFullscreen ? 'Выйти из полноэкранного режима' : 'На весь экран'"
+        @click="toggleFullscreen"
+      >
+        <svg v-if="!isFullscreen" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+          <path d="M8 3H5a2 2 0 0 0-2 2v3"/>
+          <path d="M21 8V5a2 2 0 0 0-2-2h-3"/>
+          <path d="M3 16v3a2 2 0 0 0 2 2h3"/>
+          <path d="M16 21h3a2 2 0 0 0 2-2v-3"/>
+        </svg>
+        <svg v-else width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+          <path d="M4 14h6v6"/>
+          <path d="M20 10h-6V4"/>
+          <path d="M14 10l7-7"/>
+          <path d="M3 21l7-7"/>
+        </svg>
+      </button>
       <div v-if="loading" class="spinner"></div>
       <div v-else-if="nodes.length === 0" class="empty-state card">
         <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
@@ -149,8 +191,11 @@ function openNodeInfo(node) {
 }
 
 const store = useContactsStore()
+const graphArea = ref(null)
 const graphContainer = ref(null)
 const loading = ref(true)
+const isFullscreen = ref(false)
+const chromeCollapsed = ref(false)
 const network = ref(null)
 const physicsEnabled = ref(true)
 const selectedNode = ref(null)
@@ -702,6 +747,33 @@ function togglePhysics() {
   network.value?.setOptions({ physics: physicsOptions(physicsEnabled.value) })
 }
 
+async function toggleFullscreen() {
+  const el = graphArea.value
+  if (!el) return
+  try {
+    if (document.fullscreenElement === el) {
+      await document.exitFullscreen()
+    } else {
+      await el.requestFullscreen()
+    }
+  } catch {
+    // Browser may block fullscreen without user gesture or in unsupported context.
+  }
+}
+
+function onFullscreenChange() {
+  isFullscreen.value = document.fullscreenElement === graphArea.value
+  nextTick(() => {
+    network.value?.redraw()
+    network.value?.fit({ animation: false })
+  })
+}
+
+function toggleChrome() {
+  chromeCollapsed.value = !chromeCollapsed.value
+  nextTick(() => network.value?.redraw())
+}
+
 watch(() => store.dataRevision, async (revision) => {
   if (!network.value || revision === syncedRevision) return
   await applyGraphDataFromStore()
@@ -716,6 +788,7 @@ watch(() => store.dataRevision, async (revision) => {
 onMounted(() => {
   themeObserver = new MutationObserver(() => applyThemeToNetwork())
   themeObserver.observe(document.documentElement, { attributes: true, attributeFilter: ['data-theme'] })
+  document.addEventListener('fullscreenchange', onFullscreenChange)
 })
 
 onActivated(async () => {
@@ -738,6 +811,10 @@ onDeactivated(() => {
 onUnmounted(() => {
   saveLayoutSnapshot()
   closeContextMenu()
+  document.removeEventListener('fullscreenchange', onFullscreenChange)
+  if (document.fullscreenElement === graphArea.value) {
+    document.exitFullscreen().catch(() => {})
+  }
   themeObserver?.disconnect()
   teardownNetwork()
 })
@@ -755,17 +832,85 @@ onUnmounted(() => {
   flex-shrink: 0;
   padding: 0 28px 10px;
 }
+.graph-chrome-bar {
+  display: flex;
+  justify-content: center;
+  flex-shrink: 0;
+  margin-bottom: 6px;
+}
+.graph-chrome-toggle {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  padding: 3px 12px;
+  border: 1px solid var(--border);
+  border-radius: 999px;
+  background: var(--surface);
+  color: var(--text-muted);
+  font-size: 11px;
+  cursor: pointer;
+  transition: color 0.15s, border-color 0.15s, background 0.15s;
+}
+.graph-chrome-toggle:hover {
+  color: var(--text);
+  border-color: var(--accent);
+  background: var(--surface-alt);
+}
+.graph-chrome-toggle svg {
+  transition: transform 0.2s ease;
+}
+.graph-chrome-toggle__icon--collapsed {
+  transform: rotate(180deg);
+}
+.graph-view--chrome-collapsed .graph-area {
+  padding-top: 4px;
+}
 .graph-link-hint {
   font-size: 12px;
   margin: 0 0 8px;
 }
 .graph-area {
+  position: relative;
   flex: 1;
   min-height: 0;
   display: flex;
   flex-direction: column;
   padding: 0 28px 20px;
 }
+.graph-area:fullscreen {
+  padding: 12px;
+  background: var(--bg);
+}
+.graph-area:fullscreen #graph-container {
+  min-height: 0;
+}
+.graph-fullscreen-btn {
+  position: absolute;
+  top: 8px;
+  right: 36px;
+  z-index: 2;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 32px;
+  height: 32px;
+  padding: 0;
+  border: 1px solid var(--border);
+  border-radius: var(--radius);
+  background: var(--surface);
+  color: var(--text-muted);
+  cursor: pointer;
+  transition: color 0.15s, border-color 0.15s, background 0.15s;
+}
+.graph-fullscreen-btn:hover {
+  color: var(--text);
+  border-color: var(--accent);
+  background: var(--surface-alt);
+}
+.graph-area:fullscreen .graph-fullscreen-btn {
+  top: 20px;
+  right: 20px;
+}
 #graph-container {
   flex: 1;
   min-height: 300px;