From 14fd2bcfa8307171d79ac2d5825ffdeb2fdbd66c Mon Sep 17 00:00:00 2001
From: Ivan <e318cbc04468bd574db2b4523dddd710>
Date: Thu, 13 Aug 2026 18:24:52 -0500
Subject: [PATCH] feat: visualiser improvements and 3D view and decrease
 collapased sidebar width a bit.

---
 meshchatx.rsm                                 | Bin 192940 -> 193172 bytes
 meshchatx/src/frontend/components/App.vue     |   4 +-
 .../network-visualiser/NetworkVisualiser.vue  |  78 ++-
 .../internal/NetworkVisualiserToolbar.vue     |  48 ++
 .../components/settings/SettingsPage.vue      |  13 +
 .../sections/VisualiserSettingsSection.vue    |  23 +-
 .../src/frontend/js/networkVisualiserCache.js |   4 +-
 .../src/frontend/js/networkVisualiserPerf.js  |  21 +-
 .../frontend/js/networkVisualiserPlanet.js    | 613 ++++++++++++++++++
 .../js/networkVisualiserWebGLEngine.js        | 207 +++++-
 .../registries/coreSettingsSectionKeywords.js |   5 +
 .../js/settings/settingsVisualiserPrefs.js    |  45 ++
 meshchatx/src/frontend/locales/de.json        |   6 +
 meshchatx/src/frontend/locales/en.json        |   6 +
 meshchatx/src/frontend/locales/es.json        |   6 +
 meshchatx/src/frontend/locales/fi.json        |   6 +
 meshchatx/src/frontend/locales/fr.json        |   6 +
 meshchatx/src/frontend/locales/it.json        |   6 +
 meshchatx/src/frontend/locales/nl.json        |   6 +
 meshchatx/src/frontend/locales/ru.json        |   6 +
 meshchatx/src/frontend/locales/zh.json        |   6 +
 .../vendor/visualiser-wasm/integrity.json     |   2 +-
 tests/e2e/keyboard-shortcuts.spec.js          |   2 +-
 tests/e2e/shell.spec.js                       |   2 +-
 tests/frontend/NetworkVisualiser.test.js      |  19 +
 .../frontend/NetworkVisualiserToolbar.test.js |  23 +
 tests/frontend/behaviorContracts.test.js      |   7 +
 .../crossSurfaceIdentityUnreadOracle.test.js  |   9 +
 tests/frontend/networkVisualiserPerf.test.js  |   5 +-
 .../frontend/networkVisualiserPlanet.test.js  | 160 +++++
 .../networkVisualiserWebGLEngine.test.js      |  21 +
 tests/frontend/settingsSections.test.js       |   7 +-
 .../frontend/settingsVisualiserPrefs.test.js  |  14 +-
 tests/frontend/viteDx.test.js                 |  14 +
 visualiser-wasm/cmd/wasm/main.go              |   3 +-
 visualiser-wasm/internal/graph/build.go       |   4 +-
 visualiser-wasm/internal/graph/build_test.go  |   2 +-
 visualiser-wasm/internal/graph/full.go        |   4 +-
 visualiser-wasm/internal/layout/force.go      |  34 +-
 visualiser-wasm/internal/layout/force_test.go |  29 +
 visualiser-wasm/internal/scene/scene.go       |  57 +-
 visualiser-wasm/internal/scene/scene_test.go  |  60 +-
 42 files changed, 1511 insertions(+), 82 deletions(-)
 create mode 100644 meshchatx/src/frontend/js/networkVisualiserPlanet.js
 create mode 100644 tests/frontend/networkVisualiserPlanet.test.js

diff --git a/meshchatx.rsm b/meshchatx.rsm
index 8239d11f7839d6e6ee0b9a1e502b110c16defbb7..a3863dc846a0bb8eb2535df566b1e0978a223412 100644
GIT binary patch
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diff --git a/meshchatx/src/frontend/components/App.vue b/meshchatx/src/frontend/components/App.vue
index 740a2d48..157333fb 100644
--- a/meshchatx/src/frontend/components/App.vue
+++ b/meshchatx/src/frontend/components/App.vue
@@ -66,7 +66,7 @@
                             <MaterialDesignIcon :icon-name="isSidebarOpen ? 'close' : 'menu'" class="size-6" />
                         </button>
                         <div class="flex min-w-0 flex-1 items-center gap-2 sm:flex-initial sm:gap-3">
-                            <div class="hidden shrink-0 justify-start sm:flex sm:w-16 sm:justify-center">
+                            <div class="hidden shrink-0 justify-start sm:flex sm:w-14 sm:justify-center">
                                 <div
                                     class="flex h-10 w-10 cursor-pointer items-center justify-center overflow-hidden rounded-xl sm:h-14 sm:w-14"
                                     @click="onAppNameClick"
@@ -218,7 +218,7 @@
                         class="absolute inset-y-0 left-0 z-70 transform transition-all duration-300 ease-in-out sm:relative sm:inset-auto sm:z-0 sm:flex sm:translate-x-0"
                         :class="[
                             isSidebarOpen ? 'translate-x-0' : '-translate-x-full',
-                            isSidebarCollapsed ? 'w-16' : 'w-80 md:max-lg:w-64 lg:w-80',
+                            isSidebarCollapsed ? 'w-14' : 'w-80 md:max-lg:w-64 lg:w-80',
                         ]"
                     >
                         <div
diff --git a/meshchatx/src/frontend/components/network-visualiser/NetworkVisualiser.vue b/meshchatx/src/frontend/components/network-visualiser/NetworkVisualiser.vue
index 103adf98..b66f720d 100644
--- a/meshchatx/src/frontend/components/network-visualiser/NetworkVisualiser.vue
+++ b/meshchatx/src/frontend/components/network-visualiser/NetworkVisualiser.vue
@@ -42,6 +42,7 @@
             :search-query="searchQuery"
             :preferred-renderer="preferredRenderer"
             :engine-mode="engineMode"
+            :view-mode="viewMode"
             :fps="fps"
             @update:is-showing-controls="isShowingControls = $event"
             @update:auto-reload="autoReload = $event"
@@ -49,6 +50,7 @@
             @update:hop-max-filter="onUserHopMaxFilterChange"
             @update:search-query="searchQuery = $event"
             @update:preferred-renderer="onPreferredRendererChange"
+            @update:view-mode="onViewModeChange"
             @manual-update="manualUpdate"
         />
         <NetworkVisualiserLegend
@@ -79,6 +81,7 @@ import {
     dedupeIconQueueEntries,
     lodLevelFromScale,
     pathHashesWithinHopFilter,
+    layoutSpringLength,
     pickAdaptiveFetchConcurrency,
     settleLayout,
     warmVisualiserWasm,
@@ -97,6 +100,7 @@ import {
     persistVisualiserAutoReload,
     persistVisualiserLiveLayout,
     persistVisualiserRenderer,
+    persistVisualiserViewMode,
     VISUALISER_DISPLAY_PREFS_CHANGED,
 } from "../../js/settings/settingsVisualiserPrefs.js";
 import ToastUtils from "../../js/ToastUtils";
@@ -192,6 +196,7 @@ export default {
             isLoading: false,
             enablePhysics: displayPrefs.enablePhysics,
             preferredRenderer: displayPrefs.renderer || "auto",
+            viewMode: displayPrefs.viewMode === "planet" ? "planet" : "flat",
             showDisabledInterfaces: displayPrefs.showDisabledInterfaces,
             showDiscoveredInterfaces: displayPrefs.showDiscoveredInterfaces,
             loadingStatus: "Initializing...",
@@ -326,6 +331,9 @@ export default {
         if (this._visualiserPrefsHandler) {
             GlobalEmitter.off(VISUALISER_DISPLAY_PREFS_CHANGED, this._visualiserPrefsHandler);
         }
+        if (this._identitySwitchedHandler) {
+            GlobalEmitter.off("identity-switched", this._identitySwitchedHandler);
+        }
         if (this._batterySaverPrefsHandler) {
             GlobalEmitter.off(BATTERY_SAVER_CHANGED_EVENT, this._batterySaverPrefsHandler);
         }
@@ -384,18 +392,28 @@ export default {
 
         this._visualiserPrefsHandler = async () => {
             const prevRenderer = this.preferredRenderer;
+            const prevDisabled = this.showDisabledInterfaces;
+            const prevDiscovered = this.showDiscoveredInterfaces;
             this.loadVisualiserDisplayPrefs();
             this.applyBatterySaverVisualiserPrefs();
+            this.webglEngine?.setViewMode?.(this.viewMode);
             if (this.preferredRenderer !== prevRenderer) {
                 await this.reinitRenderer();
                 return;
             }
-            if (this.hasRenderer) {
+            const filtersChanged =
+                this.showDisabledInterfaces !== prevDisabled || this.showDiscoveredInterfaces !== prevDiscovered;
+            if (filtersChanged && this.hasRenderer) {
                 this.processVisualization();
             }
         };
         GlobalEmitter.on(VISUALISER_DISPLAY_PREFS_CHANGED, this._visualiserPrefsHandler);
 
+        this._identitySwitchedHandler = () => {
+            this.onIdentitySwitched();
+        };
+        GlobalEmitter.on("identity-switched", this._identitySwitchedHandler);
+
         this._batterySaverPrefsHandler = (prefs) => {
             this.batterySaverPrefs = prefs || loadBatterySaverPrefs();
             this.applyBatterySaverVisualiserPrefs();
@@ -543,17 +561,52 @@ export default {
         async persistVisualiserCache() {
             const identityHash = this.config?.identity_hash;
             if (!identityHash) return;
-            const positions = this.snapshotNodePositions();
-            this.cachedPositions = { ...this.cachedPositions, ...positions };
+            const pathTable = this.pathTable;
+            const announces = this.announces;
+            const positions = { ...this.cachedPositions, ...this.snapshotNodePositions() };
+            this.cachedPositions = positions;
             await saveVisualiserCache({
                 identityHash,
-                pathTable: this.pathTable,
-                announces: this.announces,
-                positions: this.cachedPositions,
+                pathTable,
+                announces,
+                positions,
                 pathSoftCap: VIZ_PATH_TABLE_SOFT_CAP,
                 announceSoftCap: VIZ_ANNOUNCE_SOFT_CAP,
             });
         },
+        onIdentitySwitched() {
+            this.vizRunGeneration += 1;
+            this.iconQueueGeneration += 1;
+            this.iconQueue = [];
+            if (this.abortController) {
+                this.abortController.abort();
+            }
+            this.abortController = new AbortController();
+            this.cachedPositions = {};
+            this.pathTable = [];
+            this.announces = {};
+            this.conversations = {};
+            this.interfaces = [];
+            this.discoveredInterfaces = [];
+            this.discoveredActive = [];
+            this.graphNodeCount = 0;
+            this.graphEdgeCount = 0;
+            this.config = null;
+            if (this.webglEngine) {
+                try {
+                    this.webglEngine.setGraph([], []);
+                } catch {
+                    /* engine may already be torn down */
+                }
+            }
+            try {
+                this.nodes.clear();
+                this.edges.clear();
+            } catch {
+                /* DataSet may already be destroyed */
+            }
+            void this.update({ silent: false });
+        },
         onUserHopMaxFilterChange(v) {
             this.hopMaxFilter = v;
             writeStoredHopMaxFilter(v);
@@ -851,6 +904,7 @@ export default {
             this.enablePhysics = p.enablePhysics;
             this.autoReload = p.autoReload;
             this.preferredRenderer = p.renderer || "auto";
+            this.viewMode = p.viewMode === "planet" ? "planet" : "flat";
         },
         async onPreferredRendererChange(next) {
             const normalized = next === "webgl" || next === "vis" || next === "auto" ? next : "auto";
@@ -859,6 +913,13 @@ export default {
             persistVisualiserRenderer(normalized, { emit: false });
             await this.reinitRenderer();
         },
+        onViewModeChange(next) {
+            const normalized = next === "planet" ? "planet" : "flat";
+            if (normalized === this.viewMode) return;
+            this.viewMode = normalized;
+            persistVisualiserViewMode(normalized, { emit: false });
+            this.webglEngine?.setViewMode?.(normalized);
+        },
         destroyActiveRenderer() {
             this.hoverTooltip = null;
             if (this.webglEngine) {
@@ -893,6 +954,7 @@ export default {
                     onNodeActivate: (id, meta) => this.onWebGLNodeActivate(id, meta),
                     onHover: (id, meta, x, y) => this.onWebGLHover(id, meta, x, y),
                 });
+                this.webglEngine.setViewMode(this.viewMode);
                 this.rendererMode = "webgl";
                 this.engineMode = "webgl";
                 return true;
@@ -965,7 +1027,7 @@ export default {
             const layoutEdges = this.edges.get().map((e) => ({
                 from: e.from,
                 to: e.to,
-                length: e.width >= 2.5 ? 440 : 500,
+                length: layoutSpringLength(e.width),
             }));
             const settled = settleLayout({ nodes: layoutNodes, edges: layoutEdges, iterations: 0 });
             const positions = settled?.positions || {};
@@ -1682,7 +1744,7 @@ export default {
                 graph.layout_edges = graphEdges.map((e) => ({
                     from: e.from,
                     to: e.to,
-                    length: e.width >= 2.5 ? 440 : 500,
+                    length: layoutSpringLength(e.width),
                 }));
             }
 
diff --git a/meshchatx/src/frontend/components/network-visualiser/internal/NetworkVisualiserToolbar.vue b/meshchatx/src/frontend/components/network-visualiser/internal/NetworkVisualiserToolbar.vue
index 91e490ff..ef4f4e37 100644
--- a/meshchatx/src/frontend/components/network-visualiser/internal/NetworkVisualiserToolbar.vue
+++ b/meshchatx/src/frontend/components/network-visualiser/internal/NetworkVisualiserToolbar.vue
@@ -151,6 +151,46 @@
                     />
                 </div>
 
+                <div v-if="engineMode === 'webgl'" class="flex items-center justify-between gap-2">
+                    <span class="text-sm font-semibold text-gray-700 dark:text-zinc-300">{{
+                        $t("visualiser.view_mode")
+                    }}</span>
+                    <div
+                        class="inline-flex shrink-0 rounded-lg border border-gray-200 bg-gray-50 p-0.5 dark:border-zinc-700 dark:bg-zinc-800"
+                        role="group"
+                        :aria-label="$t('visualiser.view_mode')"
+                    >
+                        <button
+                            id="visualiser-view-flat"
+                            type="button"
+                            class="rounded-md px-2.5 py-1 text-[11px] font-bold"
+                            :class="
+                                viewMode === 'flat'
+                                    ? 'bg-white text-blue-600 shadow-xs dark:bg-zinc-700 dark:text-blue-300'
+                                    : 'text-gray-500 dark:text-zinc-400'
+                            "
+                            :aria-pressed="viewMode === 'flat' ? 'true' : 'false'"
+                            @click="$emit('update:viewMode', 'flat')"
+                        >
+                            {{ $t("visualiser.view_mode_flat") }}
+                        </button>
+                        <button
+                            id="visualiser-view-planet"
+                            type="button"
+                            class="rounded-md px-2.5 py-1 text-[11px] font-bold"
+                            :class="
+                                viewMode === 'planet'
+                                    ? 'bg-white text-blue-600 shadow-xs dark:bg-zinc-700 dark:text-blue-300'
+                                    : 'text-gray-500 dark:text-zinc-400'
+                            "
+                            :aria-pressed="viewMode === 'planet' ? 'true' : 'false'"
+                            @click="$emit('update:viewMode', 'planet')"
+                        >
+                            {{ $t("visualiser.view_mode_planet") }}
+                        </button>
+                    </div>
+                </div>
+
                 <div class="space-y-2">
                     <div class="flex items-center justify-between gap-2">
                         <label
@@ -303,6 +343,13 @@ export default {
                 return ["checking", "wasm", "fallback", "webgl"].includes(v);
             },
         },
+        viewMode: {
+            type: String,
+            default: "flat",
+            validator(v) {
+                return v === "flat" || v === "planet";
+            },
+        },
         fps: { type: Number, default: 0 },
     },
     emits: [
@@ -312,6 +359,7 @@ export default {
         "update:hopMaxFilter",
         "update:searchQuery",
         "update:preferredRenderer",
+        "update:viewMode",
         "manual-update",
     ],
     data() {
diff --git a/meshchatx/src/frontend/components/settings/SettingsPage.vue b/meshchatx/src/frontend/components/settings/SettingsPage.vue
index 4a045fac..81f2f71d 100644
--- a/meshchatx/src/frontend/components/settings/SettingsPage.vue
+++ b/meshchatx/src/frontend/components/settings/SettingsPage.vue
@@ -1034,6 +1034,7 @@
                         <VisualiserSettingsSection
                             :visible="showSection('visualiser')"
                             :renderer="visualiserRenderer"
+                            :view-mode="visualiserViewMode"
                             :show-disabled-interfaces="visualiserShowDisabledInterfaces"
                             :show-discovered-interfaces="visualiserShowDiscoveredInterfaces"
                             @renderer-change="
@@ -1042,6 +1043,12 @@
                                     onVisualiserRendererChange();
                                 }
                             "
+                            @view-mode-change="
+                                (v) => {
+                                    visualiserViewMode = v;
+                                    onVisualiserViewModeChange();
+                                }
+                            "
                             @show-disabled-change="onVisualiserShowDisabledChange"
                             @show-discovered-change="onVisualiserShowDiscoveredChange"
                         />
@@ -2925,6 +2932,7 @@ import {
     persistVisualiserShowDisabled,
     persistVisualiserShowDiscovered,
     persistVisualiserRenderer,
+    persistVisualiserViewMode,
 } from "../../js/settings/settingsVisualiserPrefs";
 import { loadBatterySaverPrefs, saveBatterySaverPrefs } from "../../js/settings/batterySaverPrefs.js";
 import {
@@ -3141,6 +3149,7 @@ export default {
             visualiserShowDisabledInterfaces: false,
             visualiserShowDiscoveredInterfaces: false,
             visualiserRenderer: "auto",
+            visualiserViewMode: "flat",
             batterySaver: loadBatterySaverPrefs(),
             batteryInterfaceRows: [],
             batteryBitrateBusy: false,
@@ -3815,6 +3824,7 @@ export default {
             this.visualiserShowDisabledInterfaces = p.showDisabledInterfaces;
             this.visualiserShowDiscoveredInterfaces = p.showDiscoveredInterfaces;
             this.visualiserRenderer = p.renderer || "auto";
+            this.visualiserViewMode = p.viewMode === "planet" ? "planet" : "flat";
         },
         onVisualiserShowDisabledChange(val) {
             this.visualiserShowDisabledInterfaces = val;
@@ -3827,6 +3837,9 @@ export default {
         onVisualiserRendererChange() {
             persistVisualiserRenderer(this.visualiserRenderer);
         },
+        onVisualiserViewModeChange() {
+            persistVisualiserViewMode(this.visualiserViewMode);
+        },
         async getTrustedTelemetryPeers() {
             try {
                 const response = await window.api.get("/api/v1/telemetry/trusted-peers");
diff --git a/meshchatx/src/frontend/components/settings/sections/VisualiserSettingsSection.vue b/meshchatx/src/frontend/components/settings/sections/VisualiserSettingsSection.vue
index 749e2bbb..c288650c 100644
--- a/meshchatx/src/frontend/components/settings/sections/VisualiserSettingsSection.vue
+++ b/meshchatx/src/frontend/components/settings/sections/VisualiserSettingsSection.vue
@@ -28,6 +28,23 @@
                     <option value="vis">{{ $t("visualiser.renderer_option_vis") }}</option>
                 </select>
             </div>
+            <div class="space-y-2">
+                <div class="text-sm font-medium text-gray-900 dark:text-gray-100">
+                    {{ $t("visualiser.view_mode") }}
+                </div>
+                <p class="text-xs text-gray-600 dark:text-gray-400">
+                    {{ $t("visualiser.view_mode_desc") }}
+                </p>
+                <select
+                    id="settings-visualiser-view-mode"
+                    :value="viewMode"
+                    class="input-field"
+                    @change="$emit('view-mode-change', $event.target.value)"
+                >
+                    <option value="flat">{{ $t("visualiser.view_mode_flat_full") }}</option>
+                    <option value="planet">{{ $t("visualiser.view_mode_planet_full") }}</option>
+                </select>
+            </div>
             <label class="setting-toggle">
                 <Toggle
                     id="settings-visualiser-offline"
@@ -69,6 +86,10 @@ export default {
             type: String,
             default: "auto",
         },
+        viewMode: {
+            type: String,
+            default: "flat",
+        },
         showDisabledInterfaces: {
             type: Boolean,
             default: false,
@@ -78,6 +99,6 @@ export default {
             default: false,
         },
     },
-    emits: ["renderer-change", "show-disabled-change", "show-discovered-change"],
+    emits: ["renderer-change", "view-mode-change", "show-disabled-change", "show-discovered-change"],
 };
 </script>
diff --git a/meshchatx/src/frontend/js/networkVisualiserCache.js b/meshchatx/src/frontend/js/networkVisualiserCache.js
index 3a2b0e71..2af9aacc 100644
--- a/meshchatx/src/frontend/js/networkVisualiserCache.js
+++ b/meshchatx/src/frontend/js/networkVisualiserCache.js
@@ -9,7 +9,9 @@
 const DB_NAME = "meshchatx_visualiser_cache";
 const DB_VERSION = 1;
 const STORE_NAME = "snapshots";
-const CACHE_VERSION = 1;
+// Bump when layout scale changes so stored x/y from an older spring length
+// are not reused as the new compact seed.
+const CACHE_VERSION = 2;
 const MAX_AGE_MS = 7 * 24 * 60 * 60 * 1000;
 
 let dbPromise = null;
diff --git a/meshchatx/src/frontend/js/networkVisualiserPerf.js b/meshchatx/src/frontend/js/networkVisualiserPerf.js
index ba13de57..5c5490fb 100644
--- a/meshchatx/src/frontend/js/networkVisualiserPerf.js
+++ b/meshchatx/src/frontend/js/networkVisualiserPerf.js
@@ -11,6 +11,21 @@ export const VIZ_ANNOUNCE_ASPECTS = ["lxmf.delivery", "nomadnetwork.node"];
 
 export const ANNOUNCE_HASH_CHUNK_SIZE = 500;
 
+/** Must match visualiser-wasm layout.DefaultHubSpringLen. */
+export const VIZ_HUB_SPRING_LEN = 200;
+
+/** Must match visualiser-wasm layout.DefaultSpringLen. */
+export const VIZ_PEER_SPRING_LEN = 240;
+
+/**
+ * vis-style edge width to WASM spring rest length.
+ * @param {number} width
+ * @returns {number}
+ */
+export function layoutSpringLength(width) {
+    return Number(width) >= 2.5 ? VIZ_HUB_SPRING_LEN : VIZ_PEER_SPRING_LEN;
+}
+
 /** Soft cap for client-side path table rows kept in the visualiser. */
 export const VIZ_PATH_TABLE_SOFT_CAP = 20_000;
 
@@ -231,11 +246,11 @@ export function buildPathGraphJs(req) {
             const ip = positions[entry.interface];
             const angle = hashAngle(entry.hash);
             if (ip && Number.isFinite(ip.x) && Number.isFinite(ip.y)) {
-                const dist = 240 + hash01(entry.hash, "r") * 220;
+                const dist = 140 + hash01(entry.hash, "r") * 90;
                 x = ip.x + Math.cos(angle) * dist;
                 y = ip.y + Math.sin(angle) * dist;
             } else {
-                const dist = 720 + hash01(entry.hash, "r") * 280;
+                const dist = 400 + hash01(entry.hash, "r") * 160;
                 x = Math.cos(angle) * dist;
                 y = Math.sin(angle) * dist;
             }
@@ -382,7 +397,7 @@ export function buildFullGraph(req) {
         layout_edges: (path.edges || []).map((e) => ({
             from: e.from,
             to: e.to,
-            length: e.width >= 2.5 ? 440 : 500,
+            length: layoutSpringLength(e.width),
         })),
     };
 }
diff --git a/meshchatx/src/frontend/js/networkVisualiserPlanet.js b/meshchatx/src/frontend/js/networkVisualiserPlanet.js
new file mode 100644
index 00000000..220b33f0
--- /dev/null
+++ b/meshchatx/src/frontend/js/networkVisualiserPlanet.js
@@ -0,0 +1,613 @@
+// SPDX-License-Identifier: 0BSD
+
+/**
+ * Planet view for the WebGL network visualiser.
+ * Maps the 2D force layout onto a unit sphere (local node at the front)
+ * and projects with an orbit camera. Pixel draw stays in the 2D WebGL path.
+ */
+
+import { EDGE_STRIDE, NODE_STRIDE } from "./networkVisualiserWebGL.js";
+
+export const PLANET_VIEW = "planet";
+export const FLAT_VIEW = "flat";
+
+export const PLANET_FOV_Y = (50 * Math.PI) / 180;
+export const PLANET_NEAR = 0.12;
+export const PLANET_FAR = 24;
+export const PLANET_DIST_MIN = 1.65;
+export const PLANET_DIST_MAX = 8.5;
+export const PLANET_PITCH_LIMIT = 1.18;
+export const DEFAULT_ORBIT_YAW = 0.55;
+export const DEFAULT_ORBIT_PITCH = 0.32;
+export const DEFAULT_ORBIT_DIST = 3.05;
+export const LAYOUT_SCALE_FLOOR = 160;
+/** Scale above max layout radius so the farthest node stays on the back hemisphere. */
+export const LAYOUT_SCALE_FIT = 1.08;
+
+const meridians = 18;
+const parallels = 8;
+const gridSegs = 24;
+
+/** @type {{x1:number,y1:number,z1:number,x2:number,y2:number,z2:number}[]|null} */
+let globeGridCache = null;
+
+let nodeScratch = new Float32Array(0);
+let edgeScratch = new Float32Array(0);
+let depthScratch = new Float32Array(0);
+
+/**
+ * @param {unknown} raw
+ * @returns {"flat"|"planet"}
+ */
+export function normalizeVisualiserViewMode(raw) {
+    return raw === PLANET_VIEW ? PLANET_VIEW : FLAT_VIEW;
+}
+
+/**
+ * @param {number} yaw
+ * @param {number} pitch
+ * @param {number} dist
+ */
+export function clampOrbit(yaw, pitch, dist) {
+    let y = Number.isFinite(yaw) ? yaw : DEFAULT_ORBIT_YAW;
+    let p = Number.isFinite(pitch) ? pitch : DEFAULT_ORBIT_PITCH;
+    if (p < -PLANET_PITCH_LIMIT) p = -PLANET_PITCH_LIMIT;
+    if (p > PLANET_PITCH_LIMIT) p = PLANET_PITCH_LIMIT;
+    let d = Number.isFinite(dist) && dist > 0 ? dist : DEFAULT_ORBIT_DIST;
+    if (d < PLANET_DIST_MIN) d = PLANET_DIST_MIN;
+    if (d > PLANET_DIST_MAX) d = PLANET_DIST_MAX;
+    return { yaw: y, pitch: p, dist: d };
+}
+
+/**
+ * Max layout radius used to wrap the graph onto the sphere.
+ * @param {Float32Array|number[]|null|undefined} nodes NODE_STRIDE or SCENE stride with x,y at 0,1
+ * @param {number} stride
+ */
+export function computeLayoutScale(nodes, stride = NODE_STRIDE) {
+    const step = stride > 0 ? stride : NODE_STRIDE;
+    const n = nodes && nodes.length ? Math.floor(nodes.length / step) : 0;
+    let maxR = 0;
+    for (let i = 0; i < n; i++) {
+        const o = i * step;
+        const r = Math.hypot(nodes[o] || 0, nodes[o + 1] || 0);
+        if (r > maxR) maxR = r;
+    }
+    return Math.max(maxR * LAYOUT_SCALE_FIT, LAYOUT_SCALE_FLOOR);
+}
+
+/**
+ * Local node (origin) sits on the front of the globe. Distance wraps toward the back.
+ * @param {number} x
+ * @param {number} y
+ * @param {number} layoutScale
+ * @returns {{x:number,y:number,z:number,theta:number,phi:number}}
+ */
+export function layoutToSphere(x, y, layoutScale) {
+    const scale = layoutScale > 1e-6 ? layoutScale : LAYOUT_SCALE_FLOOR;
+    const lx = Number.isFinite(x) ? x : 0;
+    const ly = Number.isFinite(y) ? y : 0;
+    const theta = Math.atan2(ly, lx);
+    const r = Math.hypot(lx, ly) / scale;
+    const phi = Math.min(r, 1) * Math.PI;
+    const sp = Math.sin(phi);
+    return {
+        x: sp * Math.cos(theta),
+        y: sp * Math.sin(theta),
+        z: Math.cos(phi),
+        theta,
+        phi,
+    };
+}
+
+/**
+ * Inverse of layoutToSphere. Point should lie on the unit sphere.
+ * @param {number} x
+ * @param {number} y
+ * @param {number} z
+ * @param {number} layoutScale
+ */
+export function sphereToLayout(x, y, z, layoutScale) {
+    const scale = layoutScale > 1e-6 ? layoutScale : LAYOUT_SCALE_FLOOR;
+    const len = Math.hypot(x, y, z);
+    if (len < 1e-8) return { x: 0, y: 0 };
+    const nx = x / len;
+    const ny = y / len;
+    const nz = z / len;
+    const phi = Math.acos(Math.max(-1, Math.min(1, nz)));
+    const theta = Math.atan2(ny, nx);
+    const r = (phi / Math.PI) * scale;
+    return { x: r * Math.cos(theta), y: r * Math.sin(theta) };
+}
+
+/**
+ * Camera position looking at the origin.
+ * @param {number} yaw
+ * @param {number} pitch
+ * @param {number} dist
+ */
+export function orbitEye(yaw, pitch, dist) {
+    const cp = Math.cos(pitch);
+    return {
+        x: dist * cp * Math.sin(yaw),
+        y: dist * Math.sin(pitch),
+        z: dist * cp * Math.cos(yaw),
+    };
+}
+
+/**
+ * @param {{x:number,y:number,z:number}} eye
+ * @returns {{forward:{x:number,y:number,z:number}, right:{x:number,y:number,z:number}, up:{x:number,y:number,z:number}}}
+ */
+export function cameraBasis(eye) {
+    const fl = Math.hypot(eye.x, eye.y, eye.z) || 1;
+    const forward = { x: -eye.x / fl, y: -eye.y / fl, z: -eye.z / fl };
+    let cx = forward.y * 0 - forward.z * 1;
+    let cy = forward.z * 0 - forward.x * 0;
+    let cz = forward.x * 1 - forward.y * 0;
+    let rl = Math.hypot(cx, cy, cz);
+    if (rl < 1e-6) {
+        cx = 1;
+        cy = 0;
+        cz = 0;
+        rl = 1;
+    }
+    const right = { x: cx / rl, y: cy / rl, z: cz / rl };
+    const up = {
+        x: right.y * forward.z - right.z * forward.y,
+        y: right.z * forward.x - right.x * forward.z,
+        z: right.x * forward.y - right.y * forward.x,
+    };
+    return { forward, right, up };
+}
+
+/**
+ * @param {{x:number,y:number,z:number}} eye
+ * @returns {Float32Array} column-major 4x4 view matrix
+ */
+export function lookAtOrigin(eye) {
+    const { forward, right, up } = cameraBasis(eye);
+    const out = new Float32Array(16);
+    out[0] = right.x;
+    out[1] = up.x;
+    out[2] = -forward.x;
+    out[3] = 0;
+    out[4] = right.y;
+    out[5] = up.y;
+    out[6] = -forward.y;
+    out[7] = 0;
+    out[8] = right.z;
+    out[9] = up.z;
+    out[10] = -forward.z;
+    out[11] = 0;
+    out[12] = -(right.x * eye.x + right.y * eye.y + right.z * eye.z);
+    out[13] = -(up.x * eye.x + up.y * eye.y + up.z * eye.z);
+    out[14] = forward.x * eye.x + forward.y * eye.y + forward.z * eye.z;
+    out[15] = 1;
+    return out;
+}
+
+/**
+ * @param {number} fovY
+ * @param {number} aspect
+ * @param {number} near
+ * @param {number} far
+ * @returns {Float32Array} column-major 4x4
+ */
+export function perspective(fovY, aspect, near, far) {
+    const out = new Float32Array(16);
+    const f = 1 / Math.tan(fovY * 0.5);
+    const a = aspect > 1e-6 ? aspect : 1;
+    const nf = 1 / (near - far);
+    out[0] = f / a;
+    out[5] = f;
+    out[10] = (far + near) * nf;
+    out[11] = -1;
+    out[14] = 2 * far * near * nf;
+    return out;
+}
+
+/**
+ * @param {Float32Array} a
+ * @param {Float32Array} b
+ */
+export function mat4Multiply(a, b) {
+    const out = new Float32Array(16);
+    for (let col = 0; col < 4; col++) {
+        const b0 = b[col * 4];
+        const b1 = b[col * 4 + 1];
+        const b2 = b[col * 4 + 2];
+        const b3 = b[col * 4 + 3];
+        out[col * 4] = a[0] * b0 + a[4] * b1 + a[8] * b2 + a[12] * b3;
+        out[col * 4 + 1] = a[1] * b0 + a[5] * b1 + a[9] * b2 + a[13] * b3;
+        out[col * 4 + 2] = a[2] * b0 + a[6] * b1 + a[10] * b2 + a[14] * b3;
+        out[col * 4 + 3] = a[3] * b0 + a[7] * b1 + a[11] * b2 + a[15] * b3;
+    }
+    return out;
+}
+
+/**
+ * @param {Float32Array} m
+ * @param {number} x
+ * @param {number} y
+ * @param {number} z
+ */
+export function transformPoint(m, x, y, z) {
+    return {
+        x: m[0] * x + m[4] * y + m[8] * z + m[12],
+        y: m[1] * x + m[5] * y + m[9] * z + m[13],
+        z: m[2] * x + m[6] * y + m[10] * z + m[14],
+        w: m[3] * x + m[7] * y + m[11] * z + m[15],
+    };
+}
+
+/**
+ * Front of the globe faces the camera when dot(p, eye) > 1 on the unit sphere.
+ * @param {number} px
+ * @param {number} py
+ * @param {number} pz
+ * @param {{x:number,y:number,z:number}} eye
+ */
+export function sphereFacing(px, py, pz, eye) {
+    return px * eye.x + py * eye.y + pz * eye.z - 1;
+}
+
+/**
+ * @param {number} clipX
+ * @param {number} clipY
+ * @param {number} clipW
+ * @param {number} width
+ * @param {number} height
+ */
+export function clipToScreen(clipX, clipY, clipW, width, height) {
+    if (!(Math.abs(clipW) > 1e-8)) {
+        return { x: width * 0.5, y: height * 0.5, ok: false };
+    }
+    const ndcX = clipX / clipW;
+    const ndcY = clipY / clipW;
+    return {
+        x: (ndcX * 0.5 + 0.5) * width,
+        y: (1 - (ndcY * 0.5 + 0.5)) * height,
+        ok: clipW > 0,
+    };
+}
+
+/**
+ * World (origin-centered, y-down like the 2D shader) from CSS pixels at zoom 1 cam 0.
+ * @param {number} sx
+ * @param {number} sy
+ * @param {number} width
+ * @param {number} height
+ */
+export function screenToDrawWorld(sx, sy, width, height) {
+    return { x: sx - width * 0.5, y: sy - height * 0.5 };
+}
+
+/**
+ * Pixel radius of the unit sphere silhouette.
+ * @param {number} dist
+ * @param {number} fovY
+ * @param {number} height
+ */
+export function projectedSphereRadiusPx(dist, fovY, height) {
+    const d = Math.max(dist, 1.001);
+    const ang = Math.asin(Math.min(0.999, 1 / d));
+    const half = Math.tan(fovY * 0.5);
+    if (!(half > 0)) return height * 0.25;
+    return (Math.tan(ang) / half) * (height * 0.5);
+}
+
+/**
+ * Zoom stand-in for 2D LOD bands. Default distance maps to zoom 1 (high).
+ * @param {number} dist
+ */
+export function planetLodZoom(dist) {
+    const d = dist > 0.2 ? dist : DEFAULT_ORBIT_DIST;
+    return DEFAULT_ORBIT_DIST / d;
+}
+
+function sph(lon, lat) {
+    const cl = Math.cos(lat);
+    return { x: cl * Math.cos(lon), y: Math.sin(lat), z: cl * Math.sin(lon) };
+}
+
+/**
+ * Lat/lon line segments on the unit sphere (Y up).
+ */
+export function buildGlobeGrid() {
+    if (globeGridCache) return globeGridCache;
+    const lines = [];
+    for (let i = 0; i < meridians; i++) {
+        const lon = (i / meridians) * Math.PI * 2;
+        let prev = null;
+        for (let s = 0; s <= gridSegs; s++) {
+            const lat = Math.PI / 2 - (s / gridSegs) * Math.PI;
+            const p = sph(lon, lat);
+            if (prev) {
+                lines.push({ x1: prev.x, y1: prev.y, z1: prev.z, x2: p.x, y2: p.y, z2: p.z });
+            }
+            prev = p;
+        }
+    }
+    for (let j = 1; j <= parallels; j++) {
+        const lat = Math.PI / 2 - (j / (parallels + 1)) * Math.PI;
+        let prev = null;
+        const first = sph(0, lat);
+        for (let s = 1; s <= gridSegs; s++) {
+            const lon = (s / gridSegs) * Math.PI * 2;
+            const p = s === gridSegs ? first : sph(lon, lat);
+            if (prev) {
+                lines.push({ x1: prev.x, y1: prev.y, z1: prev.z, x2: p.x, y2: p.y, z2: p.z });
+            }
+            prev = p;
+        }
+    }
+    globeGridCache = lines;
+    return lines;
+}
+
+/**
+ * Camera ray from a CSS pixel.
+ * @param {number} cssX
+ * @param {number} cssY
+ * @param {number} width
+ * @param {number} height
+ * @param {{x:number,y:number,z:number}} eye
+ */
+export function screenRay(cssX, cssY, width, height, eye) {
+    const { forward, right, up } = cameraBasis(eye);
+    const aspect = height > 0 ? width / height : 1;
+    const tanHalf = Math.tan(PLANET_FOV_Y * 0.5);
+    const nx = (cssX / Math.max(width, 1)) * 2 - 1;
+    const ny = 1 - (cssY / Math.max(height, 1)) * 2;
+    const vx = right.x * nx * tanHalf * aspect + up.x * ny * tanHalf + forward.x;
+    const vy = right.y * nx * tanHalf * aspect + up.y * ny * tanHalf + forward.y;
+    const vz = right.z * nx * tanHalf * aspect + up.z * ny * tanHalf + forward.z;
+    const len = Math.hypot(vx, vy, vz) || 1;
+    return {
+        origin: eye,
+        dir: { x: vx / len, y: vy / len, z: vz / len },
+    };
+}
+
+/**
+ * Nearest hit of a ray with the unit sphere at the origin, or null.
+ * @param {{x:number,y:number,z:number}} origin
+ * @param {{x:number,y:number,z:number}} dir
+ * @param {number} [radius]
+ */
+export function raySphere(origin, dir, radius = 1) {
+    const r2 = radius * radius;
+    const ox = origin.x;
+    const oy = origin.y;
+    const oz = origin.z;
+    const dx = dir.x;
+    const dy = dir.y;
+    const dz = dir.z;
+    const b = ox * dx + oy * dy + oz * dz;
+    const c = ox * ox + oy * oy + oz * oz - r2;
+    const disc = b * b - c;
+    if (disc < 0) return null;
+    const s = Math.sqrt(disc);
+    const t0 = -b - s;
+    const t1 = -b + s;
+    const t = t0 > 1e-4 ? t0 : t1 > 1e-4 ? t1 : null;
+    if (t == null) return null;
+    return { x: ox + dx * t, y: oy + dy * t, z: oz + dz * t, t };
+}
+
+/**
+ * 2D layout under a planet-mode pointer, or null if the ray misses the globe.
+ */
+export function pointerToLayout(cssX, cssY, width, height, eye, layoutScale) {
+    const ray = screenRay(cssX, cssY, width, height, eye);
+    const hit = raySphere(ray.origin, ray.dir, 1);
+    if (!hit) return null;
+    return sphereToLayout(hit.x, hit.y, hit.z, layoutScale);
+}
+
+/**
+ * WASM DragTo screen point for a 2D layout coordinate.
+ * @param {number} lx
+ * @param {number} ly
+ * @param {number} width
+ * @param {number} height
+ * @param {{x?:number,y?:number,zoom?:number}|null} [cam]
+ */
+export function layoutToWasmScreen(lx, ly, width, height, cam = null) {
+    const zoom = cam?.zoom > 0 ? cam.zoom : 1;
+    return {
+        x: (lx - (cam?.x || 0)) * zoom + width * 0.5,
+        y: (ly - (cam?.y || 0)) * zoom + height * 0.5,
+    };
+}
+
+/**
+ * Project the 2D graph onto the globe and into the 2D draw buffers.
+ *
+ * @param {{
+ *   nodes: Float32Array,
+ *   edges: Float32Array|null|undefined,
+ *   width: number,
+ *   height: number,
+ *   yaw: number,
+ *   pitch: number,
+ *   dist: number,
+ *   dark: boolean,
+ *   idByIndex?: (string|null|undefined)[],
+ * }} opts
+ * @returns {{
+ *   nodes: Float32Array,
+ *   edges: Float32Array,
+ *   pick: {id:string,sx:number,sy:number,size:number}[],
+ *   projected: {sx:number,sy:number,size:number,facing:number,front:boolean}[],
+ *   layoutScale: number,
+ *   camera: {x:number,y:number,zoom:number},
+ * }}
+ */
+export function projectPlanetScene(opts) {
+    const width = Math.max(1, opts?.width || 1);
+    const height = Math.max(1, opts?.height || 1);
+    const orbit = clampOrbit(opts?.yaw ?? DEFAULT_ORBIT_YAW, opts?.pitch ?? DEFAULT_ORBIT_PITCH, opts?.dist ?? DEFAULT_ORBIT_DIST);
+    const eye = orbitEye(orbit.yaw, orbit.pitch, orbit.dist);
+    const view = lookAtOrigin(eye);
+    const proj = perspective(PLANET_FOV_Y, width / height, PLANET_NEAR, PLANET_FAR);
+    const viewProj = mat4Multiply(proj, view);
+    const srcNodes = opts?.nodes;
+    const srcCount = srcNodes && srcNodes.length ? Math.floor(srcNodes.length / NODE_STRIDE) : 0;
+    const layoutScale = computeLayoutScale(srcNodes, NODE_STRIDE);
+    const idByIndex = opts?.idByIndex || [];
+    const dark = opts?.dark === true;
+
+    const grid = buildGlobeGrid();
+    const srcEdges = opts?.edges;
+    const srcEdgeCount = srcEdges && srcEdges.length ? Math.floor(srcEdges.length / EDGE_STRIDE) : 0;
+
+    const globeR = projectedSphereRadiusPx(orbit.dist, PLANET_FOV_Y, height);
+    const originClip = transformPoint(viewProj, 0, 0, 0);
+    const originScreen = clipToScreen(originClip.x, originClip.y, originClip.w, width, height);
+    const originDraw = screenToDrawWorld(originScreen.x, originScreen.y, width, height);
+
+    const outNodeCount = srcCount + 1;
+    const nodeNeed = outNodeCount * NODE_STRIDE;
+    if (nodeScratch.length < nodeNeed) {
+        nodeScratch = new Float32Array(nodeNeed);
+    }
+    const fill = dark ? [0.06, 0.14, 0.26, 0.92] : [0.76, 0.88, 0.97, 0.94];
+    nodeScratch[0] = originDraw.x;
+    nodeScratch[1] = originDraw.y;
+    nodeScratch[2] = Math.max(24, globeR);
+    nodeScratch[3] = fill[0];
+    nodeScratch[4] = fill[1];
+    nodeScratch[5] = fill[2];
+    nodeScratch[6] = fill[3];
+    nodeScratch[7] = 0;
+    nodeScratch[8] = 0;
+    nodeScratch[9] = 0;
+
+    const projected = [];
+    const pick = [];
+    const refDist = Math.hypot(eye.x, eye.y, eye.z - 1) || orbit.dist;
+
+    for (let i = 0; i < srcCount; i++) {
+        const o = i * NODE_STRIDE;
+        const sphP = layoutToSphere(srcNodes[o], srcNodes[o + 1], layoutScale);
+        const facing = sphereFacing(sphP.x, sphP.y, sphP.z, eye);
+        const clip = transformPoint(viewProj, sphP.x, sphP.y, sphP.z);
+        const screen = clipToScreen(clip.x, clip.y, clip.w, width, height);
+        const viewZ = Math.hypot(sphP.x - eye.x, sphP.y - eye.y, sphP.z - eye.z);
+        const persp = Math.max(0.35, Math.min(2.4, refDist / Math.max(viewZ, 0.2)));
+        const size = Math.max(6, (srcNodes[o + 2] || 18) * persp);
+        const front = facing > 0 && screen.ok;
+        const draw = screenToDrawWorld(screen.x, screen.y, width, height);
+        const d = (i + 1) * NODE_STRIDE;
+        const a = front ? srcNodes[o + 6] || 1 : Math.max(0.08, (srcNodes[o + 6] || 1) * 0.18);
+        nodeScratch[d] = draw.x;
+        nodeScratch[d + 1] = draw.y;
+        nodeScratch[d + 2] = front ? size : size * 0.55;
+        nodeScratch[d + 3] = srcNodes[o + 3];
+        nodeScratch[d + 4] = srcNodes[o + 4];
+        nodeScratch[d + 5] = srcNodes[o + 5];
+        nodeScratch[d + 6] = a;
+        nodeScratch[d + 7] = front ? srcNodes[o + 7] : 0;
+        nodeScratch[d + 8] = srcNodes[o + 8];
+        nodeScratch[d + 9] = srcNodes[o + 9];
+        const rec = { sx: screen.x, sy: screen.y, size, facing, front };
+        projected.push(rec);
+        const id = idByIndex[i];
+        if (front && id) {
+            pick.push({ id: String(id), sx: screen.x, sy: screen.y, size });
+        }
+    }
+
+    if (srcCount > 1) {
+        const order = new Array(srcCount);
+        for (let i = 0; i < srcCount; i++) order[i] = i;
+        order.sort((a, b) => projected[a].facing - projected[b].facing);
+        const bodyNeed = srcCount * NODE_STRIDE;
+        if (depthScratch.length < bodyNeed) {
+            depthScratch = new Float32Array(bodyNeed);
+        }
+        depthScratch.set(nodeScratch.subarray(NODE_STRIDE, NODE_STRIDE + bodyNeed));
+        for (let s = 0; s < srcCount; s++) {
+            const i = order[s];
+            nodeScratch.set(
+                depthScratch.subarray(i * NODE_STRIDE, (i + 1) * NODE_STRIDE),
+                (s + 1) * NODE_STRIDE
+            );
+        }
+    }
+
+    const gridColor = dark ? [0.28, 0.62, 0.82, 0.38] : [0.32, 0.52, 0.72, 0.42];
+    const edgeNeed = (grid.length + srcEdgeCount) * EDGE_STRIDE;
+    if (edgeScratch.length < edgeNeed) {
+        edgeScratch = new Float32Array(Math.max(edgeNeed, 64));
+    }
+    let w = 0;
+    const writeSeg = (x1, y1, z1, x2, y2, z2, r, g, b, a, requireFront) => {
+        const f1 = sphereFacing(x1, y1, z1, eye);
+        const f2 = sphereFacing(x2, y2, z2, eye);
+        if (requireFront && f1 <= 0 && f2 <= 0) return;
+        const c1 = transformPoint(viewProj, x1, y1, z1);
+        const c2 = transformPoint(viewProj, x2, y2, z2);
+        const s1 = clipToScreen(c1.x, c1.y, c1.w, width, height);
+        const s2 = clipToScreen(c2.x, c2.y, c2.w, width, height);
+        if (!s1.ok && !s2.ok) return;
+        const d1 = screenToDrawWorld(s1.x, s1.y, width, height);
+        const d2 = screenToDrawWorld(s2.x, s2.y, width, height);
+        const o = w * EDGE_STRIDE;
+        const fade = f1 > 0 || f2 > 0 ? 1 : 0.2;
+        edgeScratch[o] = d1.x;
+        edgeScratch[o + 1] = d1.y;
+        edgeScratch[o + 2] = d2.x;
+        edgeScratch[o + 3] = d2.y;
+        edgeScratch[o + 4] = r;
+        edgeScratch[o + 5] = g;
+        edgeScratch[o + 6] = b;
+        edgeScratch[o + 7] = a * fade;
+        w += 1;
+    };
+
+    for (let i = 0; i < grid.length; i++) {
+        const ln = grid[i];
+        writeSeg(ln.x1, ln.y1, ln.z1, ln.x2, ln.y2, ln.z2, gridColor[0], gridColor[1], gridColor[2], gridColor[3], true);
+    }
+    for (let i = 0; i < srcEdgeCount; i++) {
+        const o = i * EDGE_STRIDE;
+        const a = layoutToSphere(srcEdges[o], srcEdges[o + 1], layoutScale);
+        const b = layoutToSphere(srcEdges[o + 2], srcEdges[o + 3], layoutScale);
+        writeSeg(a.x, a.y, a.z, b.x, b.y, b.z, srcEdges[o + 4], srcEdges[o + 5], srcEdges[o + 6], srcEdges[o + 7] || 0.45, false);
+    }
+
+    return {
+        nodes: nodeScratch.subarray(0, nodeNeed),
+        edges: edgeScratch.subarray(0, w * EDGE_STRIDE),
+        pick,
+        projected,
+        layoutScale,
+        camera: { x: 0, y: 0, zoom: 1 },
+    };
+}
+
+/**
+ * Nearest front-facing node under a CSS point.
+ * @param {{id:string,sx:number,sy:number,size:number}[]} pick
+ * @param {number} cssX
+ * @param {number} cssY
+ * @param {number} [pad]
+ */
+export function pickPlanetNode(pick, cssX, cssY, pad = 10) {
+    if (!Array.isArray(pick) || !pick.length) return null;
+    let best = null;
+    let bestD = Infinity;
+    for (let i = 0; i < pick.length; i++) {
+        const n = pick[i];
+        const d = Math.hypot((n.sx || 0) - cssX, (n.sy || 0) - cssY);
+        const hit = Math.max(n.size || 10, pad);
+        if (d <= hit && d < bestD) {
+            bestD = d;
+            best = n.id;
+        }
+    }
+    return best;
+}
diff --git a/meshchatx/src/frontend/js/networkVisualiserWebGLEngine.js b/meshchatx/src/frontend/js/networkVisualiserWebGLEngine.js
index 69c57b26..6b5e52cd 100644
--- a/meshchatx/src/frontend/js/networkVisualiserWebGLEngine.js
+++ b/meshchatx/src/frontend/js/networkVisualiserWebGLEngine.js
@@ -12,6 +12,22 @@ import {
     SCENE_NODE_STRIDE,
     tryCreateWebGL2Context,
 } from "./networkVisualiserWebGL.js";
+import {
+    DEFAULT_ORBIT_DIST,
+    DEFAULT_ORBIT_PITCH,
+    DEFAULT_ORBIT_YAW,
+    FLAT_VIEW,
+    PLANET_VIEW,
+    clampOrbit,
+    layoutToWasmScreen,
+    normalizeVisualiserViewMode,
+    orbitEye,
+    pickPlanetNode,
+    planetLodZoom,
+    pointerToLayout,
+    projectPlanetScene,
+    screenToDrawWorld,
+} from "./networkVisualiserPlanet.js";
 
 export { isVisualiserWebGLSceneReady };
 
@@ -304,6 +320,15 @@ export function createVisualiserWebGLEngine(canvas, hooks = {}) {
     const pointers = new Map();
     let pinchLastDist = 0;
     let iconLoadGen = 0;
+    let viewMode = FLAT_VIEW;
+    let orbitYaw = DEFAULT_ORBIT_YAW;
+    let orbitPitch = DEFAULT_ORBIT_PITCH;
+    let orbitDist = DEFAULT_ORBIT_DIST;
+    let planetLayoutScale = 400;
+    /** @type {{id:string,sx:number,sy:number,size:number}[]} */
+    let planetPick = [];
+    /** @type {{sx:number,sy:number,size:number,facing:number,front:boolean}[]} */
+    let planetProjected = [];
 
     function cssPoint(ev) {
         const rect = canvas.getBoundingClientRect();
@@ -439,41 +464,124 @@ export function createVisualiserWebGLEngine(canvas, hooks = {}) {
         dirty = true;
     }
 
+    function setViewMode(mode) {
+        const next = normalizeVisualiserViewMode(mode);
+        if (next === viewMode) {
+            dirty = true;
+            return;
+        }
+        viewMode = next;
+        dirty = true;
+    }
+
+    function isPlanet() {
+        return viewMode === PLANET_VIEW;
+    }
+
+    function pickNodeAt(cssX, cssY, pad) {
+        if (isPlanet()) {
+            return pickPlanetNode(planetPick, cssX, cssY, pad || 14);
+        }
+        return callScene("meshchatxVisualiserScenePick", cssX, cssY, pad || 16) || null;
+    }
+
+    function applyPlanetOrbit(nextYaw, nextPitch, nextDist) {
+        const c = clampOrbit(nextYaw, nextPitch, nextDist);
+        orbitYaw = c.yaw;
+        orbitPitch = c.pitch;
+        orbitDist = c.dist;
+        dirty = true;
+    }
+
     function frame() {
         if (!running) return;
         rafId = requestAnimationFrame(frame);
         const live = typeof hooks.getLiveLayout === "function" ? hooks.getLiveLayout() : false;
         if (live && pointerMode !== "drag") {
-            callScene("meshchatxVisualiserSceneTick", 1);
-            dirty = true;
+            const moved = callScene("meshchatxVisualiserSceneTick", 1);
+            // false means the WASM solver is asleep. null/undefined is an older
+            // wasm or stub, keep drawing.
+            if (moved !== false) dirty = true;
         }
-        if (!dirty && !live) return;
+        if (!dirty) return;
         const dark = typeof hooks.isDark === "function" ? hooks.isDark() : false;
         const buf = callScene("meshchatxVisualiserSceneGetDrawBuffers");
         if (!buf || buf.ok === false) {
             renderer.clearBackground(dark);
             return;
         }
-        const camera = {
-            x: buf.camX || 0,
-            y: buf.camY || 0,
-            zoom: buf.zoom > 0 ? buf.zoom : 1,
-        };
         const sceneCount = buf.nodes && buf.nodes.length ? Math.floor(buf.nodes.length / SCENE_NODE_STRIDE) : 0;
         const need = sceneCount * NODE_STRIDE;
         if (drawNodeScratch.length < need) {
             drawNodeScratch = new Float32Array(need);
         }
         const drawNodes = mergeSceneNodesWithTextures(buf.nodes, texMeta, drawNodeScratch);
-        const labels = collectWebGLLabels({
-            zoom: camera.zoom,
-            sceneCount,
-            nodes: buf.nodes,
-            labelByIndex,
-            idByIndex,
-            hoverId,
-        });
-        const size = renderer.draw(drawNodes, buf.edges, camera, dark, labels);
+        let camera = {
+            x: buf.camX || 0,
+            y: buf.camY || 0,
+            zoom: buf.zoom > 0 ? buf.zoom : 1,
+        };
+        let drawEdges = buf.edges;
+        let paintNodes = drawNodes;
+        const css = renderer.getCssSize();
+        if (isPlanet()) {
+            const planet = projectPlanetScene({
+                nodes: drawNodes,
+                edges: buf.edges,
+                width: css.width,
+                height: css.height,
+                yaw: orbitYaw,
+                pitch: orbitPitch,
+                dist: orbitDist,
+                dark,
+                idByIndex,
+            });
+            paintNodes = planet.nodes;
+            drawEdges = planet.edges;
+            camera = planet.camera;
+            planetPick = planet.pick;
+            planetProjected = planet.projected;
+            planetLayoutScale = planet.layoutScale;
+        } else {
+            planetPick = [];
+            planetProjected = [];
+        }
+        const labelZoom = isPlanet() ? planetLodZoom(orbitDist) : camera.zoom;
+        let paintLabels;
+        if (isPlanet()) {
+            paintLabels = [];
+            const lod = lodLevelFromScale(labelZoom);
+            if (lod !== "low") {
+                for (let i = 0; i < planetProjected.length; i++) {
+                    const rec = planetProjected[i];
+                    if (!rec?.front) continue;
+                    const id = idByIndex[i] != null ? String(idByIndex[i]) : null;
+                    const isMe = id === "me";
+                    const isHover = hoverId != null && id === hoverId;
+                    if (lod === "medium" && !isMe && !isHover) continue;
+                    const text = truncateWebGLLabel(labelByIndex[i]);
+                    if (!text) continue;
+                    const draw = screenToDrawWorld(rec.sx, rec.sy, css.width, css.height);
+                    paintLabels.push({
+                        x: draw.x,
+                        y: draw.y,
+                        size: rec.size,
+                        text,
+                        fontSize: isMe ? 16 : 11,
+                    });
+                }
+            }
+        } else {
+            paintLabels = collectWebGLLabels({
+                zoom: labelZoom,
+                sceneCount,
+                nodes: buf.nodes,
+                labelByIndex,
+                idByIndex,
+                hoverId,
+            });
+        }
+        const size = renderer.draw(paintNodes, drawEdges, camera, dark, paintLabels);
         callScene("meshchatxVisualiserSceneResize", size.width, size.height);
         nodeCount = buf.nodeCount || nodeCount;
         edgeCount = buf.edgeCount || edgeCount;
@@ -503,7 +611,7 @@ export function createVisualiserWebGLEngine(canvas, hooks = {}) {
         }
         lastX = p.x;
         lastY = p.y;
-        const id = callScene("meshchatxVisualiserScenePick", p.x, p.y, 16);
+        const id = pickNodeAt(p.x, p.y, 16);
         if (id) {
             callScene("meshchatxVisualiserSceneDragStart", id);
             pointerMode = "drag";
@@ -525,27 +633,53 @@ export function createVisualiserWebGLEngine(canvas, hooks = {}) {
             if (dist <= 0) return;
             const factor = dist / pinchLastDist;
             if (Math.abs(factor - 1) > 0.001) {
-                const mid = pointerMidpoint(pair.a, pair.b);
-                callScene("meshchatxVisualiserSceneZoomAt", mid.x, mid.y, factor);
+                if (isPlanet()) {
+                    applyPlanetOrbit(orbitYaw, orbitPitch, orbitDist / factor);
+                } else {
+                    const mid = pointerMidpoint(pair.a, pair.b);
+                    callScene("meshchatxVisualiserSceneZoomAt", mid.x, mid.y, factor);
+                    dirty = true;
+                }
                 pinchLastDist = dist;
-                dirty = true;
             }
             return;
         }
         if (pointerMode === "drag") {
-            callScene("meshchatxVisualiserSceneDragTo", p.x, p.y);
-            dirty = true;
+            if (isPlanet()) {
+                const css = renderer.getCssSize();
+                const eye = orbitEye(orbitYaw, orbitPitch, orbitDist);
+                const layout = pointerToLayout(p.x, p.y, css.width, css.height, eye, planetLayoutScale);
+                if (layout) {
+                    const zoomBuf = callScene("meshchatxVisualiserSceneGetDrawBuffers");
+                    const screen = layoutToWasmScreen(layout.x, layout.y, css.width, css.height, {
+                        x: zoomBuf?.camX || 0,
+                        y: zoomBuf?.camY || 0,
+                        zoom: zoomBuf?.zoom > 0 ? zoomBuf.zoom : 1,
+                    });
+                    callScene("meshchatxVisualiserSceneDragTo", screen.x, screen.y);
+                    dirty = true;
+                }
+            } else {
+                callScene("meshchatxVisualiserSceneDragTo", p.x, p.y);
+                dirty = true;
+            }
         } else if (pointerMode === "pan") {
-            const zoomBuf = callScene("meshchatxVisualiserSceneGetDrawBuffers");
-            const zoom = zoomBuf?.zoom > 0 ? zoomBuf.zoom : 1;
-            const dx = (lastX - p.x) / zoom;
-            const dy = (lastY - p.y) / zoom;
-            callScene("meshchatxVisualiserScenePanBy", dx, dy);
-            lastX = p.x;
-            lastY = p.y;
-            dirty = true;
+            if (isPlanet()) {
+                applyPlanetOrbit(orbitYaw - (p.x - lastX) * 0.008, orbitPitch + (p.y - lastY) * 0.008, orbitDist);
+                lastX = p.x;
+                lastY = p.y;
+            } else {
+                const zoomBuf = callScene("meshchatxVisualiserSceneGetDrawBuffers");
+                const zoom = zoomBuf?.zoom > 0 ? zoomBuf.zoom : 1;
+                const dx = (lastX - p.x) / zoom;
+                const dy = (lastY - p.y) / zoom;
+                callScene("meshchatxVisualiserScenePanBy", dx, dy);
+                lastX = p.x;
+                lastY = p.y;
+                dirty = true;
+            }
         } else {
-            const id = callScene("meshchatxVisualiserScenePick", p.x, p.y, 14) || null;
+            const id = pickNodeAt(p.x, p.y, 14);
             if (id !== hoverId) {
                 hoverId = id;
                 dirty = true;
@@ -589,7 +723,7 @@ export function createVisualiserWebGLEngine(canvas, hooks = {}) {
 
     function onDblClick(ev) {
         const p = cssPoint(ev);
-        const id = callScene("meshchatxVisualiserScenePick", p.x, p.y, 16);
+        const id = pickNodeAt(p.x, p.y, 16);
         if (!id) return;
         if (typeof hooks.onNodeActivate === "function") {
             hooks.onNodeActivate(id, metaById.get(id) || null);
@@ -598,8 +732,12 @@ export function createVisualiserWebGLEngine(canvas, hooks = {}) {
 
     function onWheel(ev) {
         ev.preventDefault();
-        const p = cssPoint(ev);
         const factor = ev.deltaY < 0 ? 1.12 : 1 / 1.12;
+        if (isPlanet()) {
+            applyPlanetOrbit(orbitYaw, orbitPitch, orbitDist / factor);
+            return;
+        }
+        const p = cssPoint(ev);
         callScene("meshchatxVisualiserSceneZoomAt", p.x, p.y, factor);
         dirty = true;
     }
@@ -650,6 +788,7 @@ export function createVisualiserWebGLEngine(canvas, hooks = {}) {
         getPositions,
         getCounts,
         setLiveLayout,
+        setViewMode,
         destroy,
         requestRedraw: () => {
             dirty = true;
diff --git a/meshchatx/src/frontend/js/registries/coreSettingsSectionKeywords.js b/meshchatx/src/frontend/js/registries/coreSettingsSectionKeywords.js
index 94b6d358..ef96fb4f 100644
--- a/meshchatx/src/frontend/js/registries/coreSettingsSectionKeywords.js
+++ b/meshchatx/src/frontend/js/registries/coreSettingsSectionKeywords.js
@@ -32,6 +32,11 @@ export const CORE_SETTINGS_SECTION_KEYWORDS = {
         "mesh",
         "visualiser.show_disabled_interfaces",
         "visualiser.show_discovered_interfaces",
+        "visualiser.renderer_title",
+        "visualiser.view_mode",
+        "visualiser.view_mode_planet",
+        "planet",
+        "globe",
         "offline",
         "discovered",
     ],
diff --git a/meshchatx/src/frontend/js/settings/settingsVisualiserPrefs.js b/meshchatx/src/frontend/js/settings/settingsVisualiserPrefs.js
index ed09d002..f9857d0d 100644
--- a/meshchatx/src/frontend/js/settings/settingsVisualiserPrefs.js
+++ b/meshchatx/src/frontend/js/settings/settingsVisualiserPrefs.js
@@ -7,12 +7,15 @@ const KEY_DISCOVERED = "meshchatx.visualiser.showDiscoveredInterfaces";
 const KEY_LIVE_LAYOUT = "meshchatx.visualiser.enablePhysics";
 const KEY_AUTO_RELOAD = "meshchatx.visualiser.autoReload";
 const KEY_RENDERER = "meshchatx.visualiser.renderer";
+const KEY_VIEW_MODE = "meshchatx.visualiser.viewMode";
 
 export const VISUALISER_DISPLAY_PREFS_CHANGED = "visualiser-display-prefs-changed";
 
 /** @typedef {"auto" | "webgl" | "vis"} VisualiserRendererPref */
+/** @typedef {"flat" | "planet"} VisualiserViewModePref */
 
 export const VISUALISER_RENDERER_OPTIONS = ["auto", "webgl", "vis"];
+export const VISUALISER_VIEW_MODE_OPTIONS = ["flat", "planet"];
 
 /**
  * @param {string} key
@@ -58,6 +61,28 @@ export function normalizeVisualiserRenderer(raw) {
     return "auto";
 }
 
+/**
+ * @param {unknown} raw
+ * @returns {VisualiserViewModePref}
+ */
+export function normalizeVisualiserViewMode(raw) {
+    return raw === "planet" ? "planet" : "flat";
+}
+
+/**
+ * @returns {VisualiserViewModePref}
+ */
+function readViewMode() {
+    try {
+        if (typeof localStorage === "undefined") {
+            return "flat";
+        }
+        return normalizeVisualiserViewMode(localStorage.getItem(KEY_VIEW_MODE));
+    } catch {
+        return "flat";
+    }
+}
+
 /**
  * @returns {VisualiserRendererPref}
  */
@@ -79,6 +104,7 @@ function readRenderer() {
  *   enablePhysics: boolean,
  *   autoReload: boolean,
  *   renderer: VisualiserRendererPref,
+ *   viewMode: VisualiserViewModePref,
  * }}
  */
 export function loadVisualiserDisplayPrefs() {
@@ -89,6 +115,7 @@ export function loadVisualiserDisplayPrefs() {
         enablePhysics: readBool(KEY_LIVE_LAYOUT, true),
         autoReload: readBool(KEY_AUTO_RELOAD, false),
         renderer: readRenderer(),
+        viewMode: readViewMode(),
     };
 }
 
@@ -147,3 +174,21 @@ export function persistVisualiserRenderer(val, opts = {}) {
         GlobalEmitter.emit(VISUALISER_DISPLAY_PREFS_CHANGED);
     }
 }
+
+/**
+ * @param {unknown} val
+ * @param {{ emit?: boolean }} [opts]
+ */
+export function persistVisualiserViewMode(val, opts = {}) {
+    const next = normalizeVisualiserViewMode(val);
+    try {
+        if (typeof localStorage !== "undefined") {
+            localStorage.setItem(KEY_VIEW_MODE, next);
+        }
+    } catch {
+        /* ignore */
+    }
+    if (opts.emit !== false) {
+        GlobalEmitter.emit(VISUALISER_DISPLAY_PREFS_CHANGED);
+    }
+}
diff --git a/meshchatx/src/frontend/locales/de.json b/meshchatx/src/frontend/locales/de.json
index 0f2af5cc..4f6666e1 100644
--- a/meshchatx/src/frontend/locales/de.json
+++ b/meshchatx/src/frontend/locales/de.json
@@ -3877,6 +3877,12 @@
         "fps": "FPS",
         "auto_update": "Auto-Update",
         "live_layout": "Live-Layout",
+        "view_mode": "Ansicht",
+        "view_mode_flat": "Flach",
+        "view_mode_planet": "Planet",
+        "view_mode_flat_full": "Flach (2D)",
+        "view_mode_planet_full": "Planet (3D-Globus)",
+        "view_mode_desc": "Planet legt das Netz auf einen Globus. Ziehen dreht, Scrollen zoomt. Nur WebGL.",
         "nodes": "Knoten",
         "links": "Links",
         "interfaces": "Schnittstellen",
diff --git a/meshchatx/src/frontend/locales/en.json b/meshchatx/src/frontend/locales/en.json
index 2185dc3c..c817625a 100644
--- a/meshchatx/src/frontend/locales/en.json
+++ b/meshchatx/src/frontend/locales/en.json
@@ -2257,6 +2257,12 @@
         "fps": "FPS",
         "auto_update": "Auto Update",
         "live_layout": "Live Layout",
+        "view_mode": "View",
+        "view_mode_flat": "Flat",
+        "view_mode_planet": "Planet",
+        "view_mode_flat_full": "Flat (2D)",
+        "view_mode_planet_full": "Planet (3D globe)",
+        "view_mode_desc": "Planet wraps the mesh onto a globe. Drag to orbit, scroll to zoom. WebGL only.",
         "nodes": "Nodes",
         "links": "Links",
         "interfaces": "Interfaces",
diff --git a/meshchatx/src/frontend/locales/es.json b/meshchatx/src/frontend/locales/es.json
index 5657a3ea..00068d51 100644
--- a/meshchatx/src/frontend/locales/es.json
+++ b/meshchatx/src/frontend/locales/es.json
@@ -2246,6 +2246,12 @@
         "fps": "FPS",
         "auto_update": "Actualizacion auto",
         "live_layout": "Diseno en vivo",
+        "view_mode": "Vista",
+        "view_mode_flat": "Plano",
+        "view_mode_planet": "Planeta",
+        "view_mode_flat_full": "Plano (2D)",
+        "view_mode_planet_full": "Planeta (globo 3D)",
+        "view_mode_desc": "Planeta envuelve la malla en un globo. Arrastra para orbitar, rueda para zoom. Solo WebGL.",
         "nodes": "Nodos",
         "links": "Enlaces",
         "interfaces": "Interfaces",
diff --git a/meshchatx/src/frontend/locales/fi.json b/meshchatx/src/frontend/locales/fi.json
index 2baaede8..9325c326 100644
--- a/meshchatx/src/frontend/locales/fi.json
+++ b/meshchatx/src/frontend/locales/fi.json
@@ -2246,6 +2246,12 @@
         "fps": "FPS",
         "auto_update": "Automaattipäivitys",
         "live_layout": "Elävä asettelu",
+        "view_mode": "Näkymä",
+        "view_mode_flat": "Tasainen",
+        "view_mode_planet": "Planeetta",
+        "view_mode_flat_full": "Tasainen (2D)",
+        "view_mode_planet_full": "Planeetta (3D-pallo)",
+        "view_mode_desc": "Planeetta käärii verkon pallolle. Vedä kiertääksesi, rullaa zoomataksesi. Vain WebGL.",
         "nodes": "Solmut",
         "links": "Linkit",
         "interfaces": "Liitännät",
diff --git a/meshchatx/src/frontend/locales/fr.json b/meshchatx/src/frontend/locales/fr.json
index 1201d651..5cf08c41 100644
--- a/meshchatx/src/frontend/locales/fr.json
+++ b/meshchatx/src/frontend/locales/fr.json
@@ -2246,6 +2246,12 @@
         "fps": "FPS",
         "auto_update": "MAJ auto",
         "live_layout": "Disposition live",
+        "view_mode": "Vue",
+        "view_mode_flat": "Plat",
+        "view_mode_planet": "Planète",
+        "view_mode_flat_full": "Plat (2D)",
+        "view_mode_planet_full": "Planète (globe 3D)",
+        "view_mode_desc": "Planète enroule le maillage sur un globe. Glisser oriente, molette zoome. WebGL uniquement.",
         "nodes": "Noeuds",
         "links": "Liens",
         "interfaces": "Interfaces",
diff --git a/meshchatx/src/frontend/locales/it.json b/meshchatx/src/frontend/locales/it.json
index 13c55727..0b2c0c9e 100644
--- a/meshchatx/src/frontend/locales/it.json
+++ b/meshchatx/src/frontend/locales/it.json
@@ -2299,6 +2299,12 @@
         "fps": "FPS",
         "auto_update": "Aggiornamento auto",
         "live_layout": "Layout live",
+        "view_mode": "Vista",
+        "view_mode_flat": "Piatto",
+        "view_mode_planet": "Pianeta",
+        "view_mode_flat_full": "Piatto (2D)",
+        "view_mode_planet_full": "Pianeta (globo 3D)",
+        "view_mode_desc": "Pianeta avvolge la mesh su un globo. Trascina per orbitare, rotella per zoom. Solo WebGL.",
         "nodes": "Nodi",
         "links": "Collegamenti",
         "interfaces": "Interfacce",
diff --git a/meshchatx/src/frontend/locales/nl.json b/meshchatx/src/frontend/locales/nl.json
index 8763d191..009d8876 100644
--- a/meshchatx/src/frontend/locales/nl.json
+++ b/meshchatx/src/frontend/locales/nl.json
@@ -2246,6 +2246,12 @@
         "fps": "FPS",
         "auto_update": "Auto-update",
         "live_layout": "Live-layout",
+        "view_mode": "Weergave",
+        "view_mode_flat": "Plat",
+        "view_mode_planet": "Planeet",
+        "view_mode_flat_full": "Plat (2D)",
+        "view_mode_planet_full": "Planeet (3D-globe)",
+        "view_mode_desc": "Planeet wikkelt het mesh op een globe. Sleep om te draaien, scroll om te zoomen. Alleen WebGL.",
         "nodes": "Knooppunten",
         "links": "Links",
         "interfaces": "Interfaces",
diff --git a/meshchatx/src/frontend/locales/ru.json b/meshchatx/src/frontend/locales/ru.json
index afe2ff0d..c7307c85 100644
--- a/meshchatx/src/frontend/locales/ru.json
+++ b/meshchatx/src/frontend/locales/ru.json
@@ -3877,6 +3877,12 @@
         "fps": "FPS",
         "auto_update": "Автообновление",
         "live_layout": "Живая раскладка",
+        "view_mode": "Вид",
+        "view_mode_flat": "Плоский",
+        "view_mode_planet": "Планета",
+        "view_mode_flat_full": "Плоский (2D)",
+        "view_mode_planet_full": "Планета (3D-глобус)",
+        "view_mode_desc": "Планета оборачивает сеть на глобус. Перетаскивание вращает, колесо зумит. Только WebGL.",
         "nodes": "Узлы",
         "links": "Связи",
         "interfaces": "Интерфейсы",
diff --git a/meshchatx/src/frontend/locales/zh.json b/meshchatx/src/frontend/locales/zh.json
index 8549483d..11030d1d 100644
--- a/meshchatx/src/frontend/locales/zh.json
+++ b/meshchatx/src/frontend/locales/zh.json
@@ -2246,6 +2246,12 @@
         "fps": "帧率",
         "auto_update": "自动更新",
         "live_layout": "实时布局",
+        "view_mode": "视图",
+        "view_mode_flat": "平面",
+        "view_mode_planet": "行星",
+        "view_mode_flat_full": "平面 (2D)",
+        "view_mode_planet_full": "行星 (3D 地球)",
+        "view_mode_desc": "行星视图把网格铺到球面上。拖动环绕，滚轮缩放。仅 WebGL。",
         "nodes": "节点",
         "links": "链路",
         "interfaces": "接口",
diff --git a/meshchatx/src/frontend/public/vendor/visualiser-wasm/integrity.json b/meshchatx/src/frontend/public/vendor/visualiser-wasm/integrity.json
index a788354f..cb971d43 100644
--- a/meshchatx/src/frontend/public/vendor/visualiser-wasm/integrity.json
+++ b/meshchatx/src/frontend/public/vendor/visualiser-wasm/integrity.json
@@ -1,6 +1,6 @@
 {
   "version": "1.2.0",
-  "wasm": "sha384-k7EQZOGUNE4HS1CxHvYLnhLWb4nsg6akEILUEMF+s3hHGKqYE1YFIZ/lkIxsRn2B",
+  "wasm": "sha384-HA4B8bhbYqbb9SOM0TpA7ggJmcf6NkVYhiflWmV1MCnwHfzZ59YFE45uI//aPTq3",
   "wasmExec": "sha384-PWCs+V4BDf9yY1yjkD/p+9xNEs4iEbuvq+HezAOJiY3XL5GI6VyJXMsvnjiwNbce",
   "wasmExecSource": "/usr/lib/go/lib/wasm/wasm_exec.js"
 }
diff --git a/tests/e2e/keyboard-shortcuts.spec.js b/tests/e2e/keyboard-shortcuts.spec.js
index a8b6617f..d978e8f0 100644
--- a/tests/e2e/keyboard-shortcuts.spec.js
+++ b/tests/e2e/keyboard-shortcuts.spec.js
@@ -66,7 +66,7 @@ test.describe("Keyboard shortcuts (global)", () => {
             const el = ul && ul.closest(".fixed");
             return el ? el.className : "";
         });
-        expect(classAfterCollapse).toContain("w-16");
+        expect(classAfterCollapse).toContain("w-14");
 
         await page.keyboard.press("Control+b");
         const classAfterExpand = await page.evaluate(() => {
diff --git a/tests/e2e/shell.spec.js b/tests/e2e/shell.spec.js
index c18675ca..ac3bc4e4 100644
--- a/tests/e2e/shell.spec.js
+++ b/tests/e2e/shell.spec.js
@@ -12,7 +12,7 @@ test.describe("Shell: sidebar, theme, call, search", () => {
         const toggleButton = sidebar.locator("div.hidden.sm\\:flex button").first();
         await expect(sidebar).toHaveClass(/w-80/);
         await toggleButton.click();
-        await expect(sidebar).toHaveClass(/w-16/);
+        await expect(sidebar).toHaveClass(/w-14/);
         await toggleButton.click();
         await expect(sidebar).toHaveClass(/w-80/);
     });
diff --git a/tests/frontend/NetworkVisualiser.test.js b/tests/frontend/NetworkVisualiser.test.js
index c72e1c59..d8f3d387 100644
--- a/tests/frontend/NetworkVisualiser.test.js
+++ b/tests/frontend/NetworkVisualiser.test.js
@@ -645,4 +645,23 @@ describe("NetworkVisualiser.vue", () => {
         expect(processSpy).toHaveBeenCalledTimes(1);
         expect(processSpy).toHaveBeenCalledWith({ silent: true });
     });
+
+    it("clears identity-scoped graph state on identity switch", async () => {
+        vi.spyOn(NetworkVisualiser.methods, "init").mockImplementation(() => {});
+        const wrapper = mountVisualiser();
+        wrapper.vm.update = vi.fn().mockResolvedValue();
+        wrapper.vm.cachedPositions = { oldpeer: { x: 9, y: 8 } };
+        wrapper.vm.pathTable = [{ hash: "oldpeer" }];
+        wrapper.vm.announces = { oldpeer: { destination_hash: "oldpeer" } };
+        wrapper.vm.config = { identity_hash: "aaaa" };
+        wrapper.vm.webglEngine = { setGraph: vi.fn(), destroy: vi.fn() };
+        wrapper.vm.onIdentitySwitched();
+        expect(wrapper.vm.cachedPositions).toEqual({});
+        expect(wrapper.vm.pathTable).toEqual([]);
+        expect(wrapper.vm.announces).toEqual({});
+        expect(wrapper.vm.config).toBeNull();
+        expect(wrapper.vm.webglEngine.setGraph).toHaveBeenCalledWith([], []);
+        expect(wrapper.vm.update).toHaveBeenCalledWith({ silent: false });
+        wrapper.unmount();
+    });
 });
diff --git a/tests/frontend/NetworkVisualiserToolbar.test.js b/tests/frontend/NetworkVisualiserToolbar.test.js
index 4397cd3d..b5b5623c 100644
--- a/tests/frontend/NetworkVisualiserToolbar.test.js
+++ b/tests/frontend/NetworkVisualiserToolbar.test.js
@@ -111,4 +111,27 @@ describe("NetworkVisualiserToolbar", () => {
         const manualIcons = manualBusy.findAll(".mdi-stub").map((n) => n.attributes("data-icon"));
         expect(manualIcons).toContain("loading");
     });
+
+    it("hides planet view buttons unless the engine is WebGL", () => {
+        const wasm = mountToolbar({ engineMode: "wasm" });
+        expect(wasm.find("#visualiser-view-planet").exists()).toBe(false);
+        expect(wasm.find("#visualiser-view-flat").exists()).toBe(false);
+        wasm.unmount();
+
+        const vis = mountToolbar({ engineMode: "fallback" });
+        expect(vis.find("#visualiser-view-planet").exists()).toBe(false);
+        vis.unmount();
+
+        const webgl = mountToolbar({ engineMode: "webgl", viewMode: "flat" });
+        expect(webgl.find("#visualiser-view-flat").exists()).toBe(true);
+        expect(webgl.find("#visualiser-view-planet").exists()).toBe(true);
+        expect(webgl.find("#visualiser-view-flat").attributes("aria-pressed")).toBe("true");
+        expect(webgl.find("#visualiser-view-planet").attributes("aria-pressed")).toBe("false");
+    });
+
+    it("emits planet view mode from the WebGL toolbar", async () => {
+        const w = mountToolbar({ engineMode: "webgl", viewMode: "flat" });
+        await w.find("#visualiser-view-planet").trigger("click");
+        expect(w.emitted("update:viewMode")?.[0]).toEqual(["planet"]);
+    });
 });
diff --git a/tests/frontend/behaviorContracts.test.js b/tests/frontend/behaviorContracts.test.js
index 37e5c18b..700cf6c1 100644
--- a/tests/frontend/behaviorContracts.test.js
+++ b/tests/frontend/behaviorContracts.test.js
@@ -399,9 +399,16 @@ describe("behavior contracts: network visualiser performance", () => {
         expect(webgl).not.toContain("zoom >= 0.45");
         const prefs = readSource("meshchatx/src/frontend/js/settings/settingsVisualiserPrefs.js");
         expect(prefs).toContain("persistVisualiserRenderer");
+        expect(prefs).toContain("persistVisualiserViewMode");
         expect(prefs).toContain('"auto"');
         expect(prefs).toContain('"webgl"');
         expect(prefs).toContain('"vis"');
+        expect(prefs).toContain('"planet"');
+        const planet = readSource("meshchatx/src/frontend/js/networkVisualiserPlanet.js");
+        expect(planet).toContain("projectPlanetScene");
+        expect(planet).toContain("layoutToSphere");
+        expect(engine).toContain("setViewMode");
+        expect(engine).toContain("projectPlanetScene");
     });
 });
 
diff --git a/tests/frontend/crossSurfaceIdentityUnreadOracle.test.js b/tests/frontend/crossSurfaceIdentityUnreadOracle.test.js
index 718715b5..2274266d 100644
--- a/tests/frontend/crossSurfaceIdentityUnreadOracle.test.js
+++ b/tests/frontend/crossSurfaceIdentityUnreadOracle.test.js
@@ -170,4 +170,13 @@ describe("identity-switch surface contracts", () => {
         expect(src).toContain('GlobalEmitter.on("identity-switched"');
         expect(src).toMatch(/this\.tabs\s*=\s*\[\]/);
     });
+
+    it("NetworkVisualiser listens for identity-switched and clears cached graph state", () => {
+        const src = readFrontend("components/network-visualiser/NetworkVisualiser.vue");
+        expect(src).toContain('GlobalEmitter.on("identity-switched"');
+        expect(src).toMatch(/onIdentitySwitched/);
+        expect(src).toMatch(/this\.cachedPositions\s*=\s*\{\}/);
+        expect(src).toMatch(/this\.pathTable\s*=\s*\[\]/);
+        expect(src).toMatch(/this\.announces\s*=\s*\{\}/);
+    });
 });
diff --git a/tests/frontend/networkVisualiserPerf.test.js b/tests/frontend/networkVisualiserPerf.test.js
index a78ffe6f..7d682fb1 100644
--- a/tests/frontend/networkVisualiserPerf.test.js
+++ b/tests/frontend/networkVisualiserPerf.test.js
@@ -10,6 +10,7 @@ import {
     lodLevelFromScale,
     pathHashesWithinHopFilter,
     pathHashesWithinHopFilterJs,
+    layoutSpringLength,
     pickAdaptiveFetchConcurrency,
 } from "@/js/networkVisualiserPerf.js";
 
@@ -28,6 +29,8 @@ describe("networkVisualiserPerf", () => {
     it("exports visualiser constants", () => {
         expect(VIZ_ANNOUNCE_ASPECTS).toEqual(["lxmf.delivery", "nomadnetwork.node"]);
         expect(ANNOUNCE_HASH_CHUNK_SIZE).toBe(500);
+        expect(layoutSpringLength(3)).toBe(200);
+        expect(layoutSpringLength(1)).toBe(240);
     });
 
     it("pathHashesWithinHopFilter respects hop max", () => {
@@ -88,7 +91,7 @@ describe("networkVisualiserPerf", () => {
         expect(res.edges[0].width).toBe(2.5);
         const dx = res.nodes[0].x - 10;
         const dy = res.nodes[0].y - 20;
-        expect(Math.hypot(dx, dy)).toBeGreaterThanOrEqual(240);
+        expect(Math.hypot(dx, dy)).toBeGreaterThanOrEqual(140);
         expect(buildPathGraph({ path_table: [], announces: {} }).nodes).toEqual([]);
     });
 
diff --git a/tests/frontend/networkVisualiserPlanet.test.js b/tests/frontend/networkVisualiserPlanet.test.js
new file mode 100644
index 00000000..30200024
--- /dev/null
+++ b/tests/frontend/networkVisualiserPlanet.test.js
@@ -0,0 +1,160 @@
+import { describe, it, expect } from "vitest";
+import {
+    FLAT_VIEW,
+    PLANET_VIEW,
+    DEFAULT_ORBIT_DIST,
+    LAYOUT_SCALE_FLOOR,
+    clampOrbit,
+    computeLayoutScale,
+    layoutToSphere,
+    sphereToLayout,
+    orbitEye,
+    planetLodZoom,
+    pickPlanetNode,
+    pointerToLayout,
+    projectPlanetScene,
+    raySphere,
+    normalizeVisualiserViewMode,
+} from "@/js/networkVisualiserPlanet.js";
+import { NODE_STRIDE as DRAW_STRIDE } from "@/js/networkVisualiserWebGL.js";
+
+describe("networkVisualiserPlanet", () => {
+    it("normalizes view mode to flat or planet", () => {
+        expect(normalizeVisualiserViewMode("planet")).toBe(PLANET_VIEW);
+        expect(normalizeVisualiserViewMode("flat")).toBe(FLAT_VIEW);
+        expect(normalizeVisualiserViewMode("nope")).toBe(FLAT_VIEW);
+        expect(normalizeVisualiserViewMode(null)).toBe(FLAT_VIEW);
+    });
+
+    it("maps the origin to the front of the globe and inverts", () => {
+        const p = layoutToSphere(0, 0, 400);
+        expect(p.x).toBeCloseTo(0, 5);
+        expect(p.y).toBeCloseTo(0, 5);
+        expect(p.z).toBeCloseTo(1, 5);
+        const back = layoutToSphere(400, 0, 400);
+        expect(back.z).toBeCloseTo(-1, 5);
+        const round = sphereToLayout(p.x, p.y, p.z, 400);
+        expect(round.x).toBeCloseTo(0, 5);
+        expect(round.y).toBeCloseTo(0, 5);
+        const q = layoutToSphere(120, -40, 400);
+        const inv = sphereToLayout(q.x, q.y, q.z, 400);
+        expect(inv.x).toBeCloseTo(120, 4);
+        expect(inv.y).toBeCloseTo(-40, 4);
+    });
+
+    it("keeps layout scale at least the floor and grows with spread", () => {
+        expect(computeLayoutScale(new Float32Array(DRAW_STRIDE), DRAW_STRIDE)).toBe(LAYOUT_SCALE_FLOOR);
+        const nodes = new Float32Array(DRAW_STRIDE * 2);
+        nodes[0] = 0;
+        nodes[1] = 0;
+        nodes[DRAW_STRIDE] = 1000;
+        nodes[DRAW_STRIDE + 1] = 0;
+        expect(computeLayoutScale(nodes, DRAW_STRIDE)).toBeGreaterThan(LAYOUT_SCALE_FLOOR);
+        expect(1000 / computeLayoutScale(nodes, DRAW_STRIDE)).toBeLessThan(1);
+    });
+
+    it("keeps layout points on the front-to-back hemisphere", () => {
+        const scale = 400;
+        const overshoot = layoutToSphere(scale * 2.5, 0, scale);
+        expect(overshoot.phi).toBeLessThanOrEqual(Math.PI);
+        expect(overshoot.z).toBeCloseTo(-1, 5);
+        const atRim = layoutToSphere(scale, 0, scale);
+        expect(atRim.z).toBeCloseTo(-1, 5);
+        const mid = layoutToSphere(scale * 0.5, 0, scale);
+        expect(mid.phi).toBeCloseTo(Math.PI * 0.5, 5);
+        expect(mid.z).toBeCloseTo(0, 5);
+    });
+
+    it("clamps orbit pitch and distance", () => {
+        const c = clampOrbit(1, 9, 0.2);
+        expect(c.pitch).toBeLessThan(1.2);
+        expect(c.dist).toBeGreaterThan(1.5);
+        const far = clampOrbit(0, 0, 99);
+        expect(far.dist).toBeLessThan(9);
+        const bad = clampOrbit(Number.NaN, Number.NaN, Number.NaN);
+        expect(Number.isFinite(bad.yaw)).toBe(true);
+        expect(Number.isFinite(bad.pitch)).toBe(true);
+        expect(Number.isFinite(bad.dist)).toBe(true);
+    });
+
+    it("places the default eye in front of the origin", () => {
+        const eye = orbitEye(0, 0, DEFAULT_ORBIT_DIST);
+        expect(eye.x).toBeCloseTo(0, 5);
+        expect(eye.y).toBeCloseTo(0, 5);
+        expect(eye.z).toBeCloseTo(DEFAULT_ORBIT_DIST, 5);
+    });
+
+    it("hits the unit sphere from the default camera", () => {
+        const eye = orbitEye(0, 0, DEFAULT_ORBIT_DIST);
+        const hit = raySphere(eye, { x: 0, y: 0, z: -1 }, 1);
+        expect(hit).not.toBeNull();
+        expect(hit.z).toBeCloseTo(1, 4);
+    });
+
+    it("maps a center click back to the layout origin", () => {
+        const eye = orbitEye(0, 0, DEFAULT_ORBIT_DIST);
+        const got = pointerToLayout(400, 300, 800, 600, eye, 400);
+        expect(got).not.toBeNull();
+        expect(Math.hypot(got.x, got.y)).toBeLessThan(8);
+    });
+
+    it("projects me onto the globe disc and keeps a pick target", () => {
+        const nodes = new Float32Array(DRAW_STRIDE);
+        nodes[0] = 0;
+        nodes[1] = 0;
+        nodes[2] = 32;
+        nodes[3] = 0.2;
+        nodes[4] = 0.5;
+        nodes[6] = 1;
+        const edges = new Float32Array(0);
+        const out = projectPlanetScene({
+            nodes,
+            edges,
+            width: 800,
+            height: 600,
+            yaw: 0,
+            pitch: 0,
+            dist: DEFAULT_ORBIT_DIST,
+            dark: true,
+            idByIndex: ["me"],
+        });
+        expect(out.nodes.length).toBe(DRAW_STRIDE * 2);
+        expect(out.edges.length).toBeGreaterThan(0);
+        expect(out.pick.some((p) => p.id === "me")).toBe(true);
+        expect(pickPlanetNode(out.pick, out.pick[0].sx, out.pick[0].sy, 20)).toBe("me");
+        expect(pickPlanetNode(out.pick, -400, -400, 8)).toBeNull();
+    });
+
+    it("draws back-facing nodes before front-facing nodes", () => {
+        const nodes = new Float32Array(DRAW_STRIDE * 2);
+        nodes[0] = 0;
+        nodes[1] = 0;
+        nodes[2] = 24;
+        nodes[6] = 1;
+        nodes[DRAW_STRIDE] = 400;
+        nodes[DRAW_STRIDE + 1] = 0;
+        nodes[DRAW_STRIDE + 2] = 24;
+        nodes[DRAW_STRIDE + 6] = 1;
+        const out = projectPlanetScene({
+            nodes,
+            edges: new Float32Array(0),
+            width: 800,
+            height: 600,
+            yaw: 0,
+            pitch: 0,
+            dist: DEFAULT_ORBIT_DIST,
+            dark: true,
+            idByIndex: ["me", "peer"],
+        });
+        const frontAlpha = out.nodes[DRAW_STRIDE * 2 + 6];
+        const backAlpha = out.nodes[DRAW_STRIDE + 6];
+        expect(backAlpha).toBeLessThan(frontAlpha);
+        expect(out.pick.some((p) => p.id === "me")).toBe(true);
+        expect(out.pick.some((p) => p.id === "peer")).toBe(false);
+    });
+
+    it("maps closer orbit to a higher LOD zoom", () => {
+        expect(planetLodZoom(DEFAULT_ORBIT_DIST)).toBeCloseTo(1, 5);
+        expect(planetLodZoom(DEFAULT_ORBIT_DIST * 2)).toBeCloseTo(0.5, 5);
+    });
+});
diff --git a/tests/frontend/networkVisualiserWebGLEngine.test.js b/tests/frontend/networkVisualiserWebGLEngine.test.js
index 956853f1..8bc20bfb 100644
--- a/tests/frontend/networkVisualiserWebGLEngine.test.js
+++ b/tests/frontend/networkVisualiserWebGLEngine.test.js
@@ -461,6 +461,19 @@ describe("createVisualiserWebGLEngine interactions", () => {
         expect(globalThis.meshchatxVisualiserScenePanBy).not.toHaveBeenCalled();
     });
 
+    it("planet pinch dollies orbit instead of SceneZoomAt", () => {
+        engine.setViewMode("planet");
+        const fire = (type, props) => {
+            const ev = new Event(type, { bubbles: true });
+            Object.assign(ev, props);
+            canvas.dispatchEvent(ev);
+        };
+        fire("pointerdown", { pointerId: 1, pointerType: "touch", button: 0, clientX: 110, clientY: 120 });
+        fire("pointerdown", { pointerId: 2, pointerType: "touch", button: 0, clientX: 210, clientY: 120 });
+        fire("pointermove", { pointerId: 2, pointerType: "touch", button: 0, clientX: 250, clientY: 120 });
+        expect(zoomAt).not.toHaveBeenCalled();
+    });
+
     it("wheel zoom calls SceneZoomAt", () => {
         const ev = new Event("wheel", { bubbles: true, cancelable: true });
         Object.assign(ev, { clientX: 60, clientY: 80, deltaY: -100 });
@@ -469,6 +482,14 @@ describe("createVisualiserWebGLEngine interactions", () => {
         expect(zoomAt).toHaveBeenCalledWith(50, 60, 1.12);
     });
 
+    it("planet wheel does not call SceneZoomAt", () => {
+        engine.setViewMode("planet");
+        const ev = new Event("wheel", { bubbles: true, cancelable: true });
+        Object.assign(ev, { clientX: 60, clientY: 80, deltaY: -100 });
+        canvas.dispatchEvent(ev);
+        expect(zoomAt).not.toHaveBeenCalled();
+    });
+
     it("clears light background when WASM draw buffers are not ready", async () => {
         engine.destroy();
         engine = null;
diff --git a/tests/frontend/settingsSections.test.js b/tests/frontend/settingsSections.test.js
index bc886b6c..8408207f 100644
--- a/tests/frontend/settingsSections.test.js
+++ b/tests/frontend/settingsSections.test.js
@@ -251,11 +251,12 @@ describe("BatterySettingsSection", () => {
 });
 
 describe("VisualiserSettingsSection", () => {
-    it("emits renderer and visibility changes", async () => {
+    it("emits renderer, view mode, and visibility changes", async () => {
         const wrapper = mount(VisualiserSettingsSection, {
             props: {
                 visible: true,
                 renderer: "auto",
+                viewMode: "flat",
                 showDisabledInterfaces: false,
                 showDiscoveredInterfaces: true,
             },
@@ -264,8 +265,10 @@ describe("VisualiserSettingsSection", () => {
             },
         });
         expect(wrapper.text()).toContain("visualiser.title");
-        await wrapper.find("select").setValue("webgl");
+        await wrapper.find("#settings-visualiser-renderer").setValue("webgl");
         expect(wrapper.emitted("renderer-change")?.at(-1)).toEqual(["webgl"]);
+        await wrapper.find("#settings-visualiser-view-mode").setValue("planet");
+        expect(wrapper.emitted("view-mode-change")?.at(-1)).toEqual(["planet"]);
         const toggles = wrapper.findAllComponents({ name: "Toggle" });
         await toggles[0].vm.$emit("update:modelValue", true);
         expect(wrapper.emitted("show-disabled-change")).toEqual([[true]]);
diff --git a/tests/frontend/settingsVisualiserPrefs.test.js b/tests/frontend/settingsVisualiserPrefs.test.js
index cebcdaa9..754a7e18 100644
--- a/tests/frontend/settingsVisualiserPrefs.test.js
+++ b/tests/frontend/settingsVisualiserPrefs.test.js
@@ -6,7 +6,9 @@ import {
     persistVisualiserShowDisabled,
     persistVisualiserShowDiscovered,
     persistVisualiserRenderer,
+    persistVisualiserViewMode,
     normalizeVisualiserRenderer,
+    normalizeVisualiserViewMode,
 } from "@/js/settings/settingsVisualiserPrefs.js";
 
 describe("settingsVisualiserPrefs", () => {
@@ -14,13 +16,14 @@ describe("settingsVisualiserPrefs", () => {
         localStorage.clear();
     });
 
-    it("defaults live layout on, auto-reload off, renderer auto", () => {
+    it("defaults live layout on, auto-reload off, renderer auto, view flat", () => {
         expect(loadVisualiserDisplayPrefs()).toEqual({
             showDisabledInterfaces: false,
             showDiscoveredInterfaces: false,
             enablePhysics: true,
             autoReload: false,
             renderer: "auto",
+            viewMode: "flat",
         });
     });
 
@@ -35,6 +38,7 @@ describe("settingsVisualiserPrefs", () => {
             enablePhysics: false,
             autoReload: true,
             renderer: "auto",
+            viewMode: "flat",
         });
         persistVisualiserLiveLayout(true);
         expect(loadVisualiserDisplayPrefs().enablePhysics).toBe(true);
@@ -54,4 +58,12 @@ describe("settingsVisualiserPrefs", () => {
         persistVisualiserRenderer("vis", { emit: false });
         expect(loadVisualiserDisplayPrefs().renderer).toBe("vis");
     });
+
+    it("normalizes and persists planet view mode", () => {
+        expect(normalizeVisualiserViewMode("nope")).toBe("flat");
+        persistVisualiserViewMode("planet");
+        expect(loadVisualiserDisplayPrefs().viewMode).toBe("planet");
+        persistVisualiserViewMode("flat", { emit: false });
+        expect(loadVisualiserDisplayPrefs().viewMode).toBe("flat");
+    });
 });
diff --git a/tests/frontend/viteDx.test.js b/tests/frontend/viteDx.test.js
index 7d30f09c..0c511cc7 100644
--- a/tests/frontend/viteDx.test.js
+++ b/tests/frontend/viteDx.test.js
@@ -52,6 +52,20 @@ describe("vite-dx Vue DevTools gate", () => {
         expect(vite).toContain("clearScreen: false");
     });
 
+    it("Docker frontend stages copy every vite.config.js scripts/ import", () => {
+        const vite = readFileSync(resolve(ROOT, "vite.config.js"), "utf8");
+        const imports = [...vite.matchAll(/from\s+"(\.\/scripts\/[^"]+)"/g)].map((m) => m[1].replace(/^\.\//, ""));
+        expect(imports.length).toBeGreaterThan(0);
+        expect(imports).toContain("scripts/vite-dx.mjs");
+        for (const dockerfile of ["Dockerfile", "Dockerfile.hardened"]) {
+            const body = readFileSync(resolve(ROOT, dockerfile), "utf8");
+            const frontendStage = body.split(/^FROM /m)[1] || "";
+            for (const rel of imports) {
+                expect(frontendStage, `${dockerfile} missing COPY ${rel}`).toContain(`COPY ${rel} ${rel}`);
+            }
+        }
+    });
+
     it("e2e Vite stack disables Vue DevTools", () => {
         const e2e = readFileSync(resolve(ROOT, "scripts/e2e/start-e2e-stack.sh"), "utf8");
         expect(e2e).toContain("MESHCHAT_VUE_DEVTOOLS=0");
diff --git a/visualiser-wasm/cmd/wasm/main.go b/visualiser-wasm/cmd/wasm/main.go
index c13ceab9..669b9a2b 100644
--- a/visualiser-wasm/cmd/wasm/main.go
+++ b/visualiser-wasm/cmd/wasm/main.go
@@ -178,8 +178,7 @@ func sceneTickHandler(_ js.Value, args []js.Value) any {
 	if len(args) > 0 && args[0].Type() == js.TypeNumber {
 		steps = int(args[0].Int())
 	}
-	visualiserScene.Tick(steps)
-	return nil
+	return visualiserScene.Tick(steps)
 }
 
 func sceneResizeHandler(_ js.Value, args []js.Value) any {
diff --git a/visualiser-wasm/internal/graph/build.go b/visualiser-wasm/internal/graph/build.go
index 40f1a018..d02ee545 100644
--- a/visualiser-wasm/internal/graph/build.go
+++ b/visualiser-wasm/internal/graph/build.go
@@ -244,11 +244,11 @@ func resolvePosition(hash, iface string, pos map[string]XY) (float64, float64) {
 		return prev.X, prev.Y
 	}
 	if ip, ok := pos[iface]; ok {
-		x, y := hashpos.Around(hash, ip.X, ip.Y, 240, 220)
+		x, y := hashpos.Around(hash, ip.X, ip.Y, 140, 90)
 		pos[hash] = XY{X: x, Y: y}
 		return x, y
 	}
-	x, y := hashpos.XY(hash, 720, 280)
+	x, y := hashpos.XY(hash, 400, 160)
 	pos[hash] = XY{X: x, Y: y}
 	return x, y
 }
diff --git a/visualiser-wasm/internal/graph/build_test.go b/visualiser-wasm/internal/graph/build_test.go
index e1734be4..eea3cee2 100644
--- a/visualiser-wasm/internal/graph/build_test.go
+++ b/visualiser-wasm/internal/graph/build_test.go
@@ -95,7 +95,7 @@ func TestBuildPathGraphSeedsPeersAwayFromInterface(t *testing.T) {
 	dx := res.Nodes[0].X - 100
 	dy := res.Nodes[0].Y - 200
 	dist := dx*dx + dy*dy
-	if dist < 240*240 {
+	if dist < 140*140 {
 		t.Fatalf("peer seeded too close to interface: (%v,%v)", res.Nodes[0].X, res.Nodes[0].Y)
 	}
 }
diff --git a/visualiser-wasm/internal/graph/full.go b/visualiser-wasm/internal/graph/full.go
index 977ca6c9..829e1cd0 100644
--- a/visualiser-wasm/internal/graph/full.go
+++ b/visualiser-wasm/internal/graph/full.go
@@ -144,7 +144,7 @@ func BuildFullGraph(req FullRequest) FullResult {
 		addNode(me, 4, true)
 	}
 
-	radius := 520.0
+	radius := 210.0
 	ifaceN := len(req.Interfaces)
 	for j, entry := range req.Interfaces {
 		if !filter.MatchesSearch(searchLower, entry.Label) && !filter.MatchesSearch(searchLower, entry.Name) {
@@ -228,7 +228,7 @@ func BuildFullGraph(req FullRequest) FullResult {
 			if !filter.MatchesSearch(searchLower, disc.Label) {
 				continue
 			}
-			x, y := hashpos.XY(disc.ID, 900, 280)
+			x, y := hashpos.XY(disc.ID, 480, 160)
 			p := resolveOr(pos, disc.ID, x, y)
 			node := NodeOut{
 				ID:            disc.ID,
diff --git a/visualiser-wasm/internal/layout/force.go b/visualiser-wasm/internal/layout/force.go
index 91586dbf..6d2211d5 100644
--- a/visualiser-wasm/internal/layout/force.go
+++ b/visualiser-wasm/internal/layout/force.go
@@ -11,25 +11,37 @@ import (
 
 const (
 	// DefaultRepulsion is 1/r^2 strength when Request.Repulsion is 0.
-	DefaultRepulsion = 5200.0
+	// vis-network barnesHut uses gravitationalConstant -3500. Keep this near
+	// that scale so WASM settle does not inflate the graph.
+	DefaultRepulsion = 1800.0
 	// DefaultSpringK is hooke stiffness when Request.SpringK is 0.
-	DefaultSpringK = 0.028
+	DefaultSpringK = 0.032
 	// DefaultSpringLen is rest length when an edge omits Length.
-	DefaultSpringLen = 500.0
+	// vis-network barnesHut springLength is 200. Peers sit a bit further out.
+	DefaultSpringLen = 240.0
 	// DefaultHubSpringLen is rest length for thick hub edges (me to interface).
-	DefaultHubSpringLen = 440.0
+	DefaultHubSpringLen = 200.0
 	// DefaultCellSize is the repulsion grid bucket in world units.
-	DefaultCellSize = 400.0
+	DefaultCellSize = 180.0
 	// DefaultMinSep is used when a body has no Radius.
-	DefaultMinSep = 96.0
+	DefaultMinSep = 48.0
 	// CollisionPad is extra gap beyond the two node radii.
-	CollisionPad = 48.0
+	CollisionPad = 16.0
 	// CollisionK is extra push when two discs overlap the min gap.
-	CollisionK = 3.0
-	// LiveRepulsion is WebGL live-tick repulsion (softer springs, same spacing).
-	LiveRepulsion = 5600.0
+	// Keep this below 1 so stacked nodes unstick without launching.
+	CollisionK = 0.85
+	// LiveRepulsion is WebGL live-tick repulsion.
+	LiveRepulsion = 1800.0
 	// LiveSpringK is WebGL live-tick spring stiffness.
-	LiveSpringK = 0.012
+	LiveSpringK = 0.016
+	// LiveDamping is WebGL live-tick velocity keep fraction.
+	LiveDamping = 0.78
+	// LiveMaxSpeed caps WebGL live-tick motion per step.
+	LiveMaxSpeed = 4.0
+	// LiveRestSpeed zeros live velocity below this length.
+	LiveRestSpeed = 0.25
+	// LiveSleepShift is the max per-tick move that still counts as rest.
+	LiveSleepShift = 0.15
 )
 
 // SpringLength returns rest length from vis-style edge width.
diff --git a/visualiser-wasm/internal/layout/force_test.go b/visualiser-wasm/internal/layout/force_test.go
index d80d1879..39b43e60 100644
--- a/visualiser-wasm/internal/layout/force_test.go
+++ b/visualiser-wasm/internal/layout/force_test.go
@@ -103,6 +103,35 @@ func TestSettlePreservesAndUpdatesVelocity(t *testing.T) {
 	}
 }
 
+func TestSettleStaysCompact(t *testing.T) {
+	res := layout.Settle(layout.Request{
+		Nodes: []layout.Node{
+			{ID: "me", X: 0, Y: 0, Mass: 4, Fixed: true, Radius: 32},
+			{ID: "iface", X: 210, Y: 0, Mass: 2.5, Radius: 24},
+			{ID: "a", X: 350, Y: 20, Mass: 1, Radius: 22},
+			{ID: "b", X: 350, Y: -20, Mass: 1, Radius: 22},
+		},
+		Edges: []layout.Edge{
+			{From: "me", To: "iface", Length: layout.DefaultHubSpringLen},
+			{From: "iface", To: "a", Length: layout.DefaultSpringLen},
+			{From: "iface", To: "b", Length: layout.DefaultSpringLen},
+		},
+		Iterations: 140,
+	})
+	iface := res.Positions["iface"]
+	hubDist := math.Hypot(iface.X, iface.Y)
+	if hubDist < 80 || hubDist > 360 {
+		t.Fatalf("interface should stay near hub rest length, got dist=%v pos=%#v", hubDist, iface)
+	}
+	for _, id := range []string{"a", "b"} {
+		p := res.Positions[id]
+		d := math.Hypot(p.X-iface.X, p.Y-iface.Y)
+		if d > 420 {
+			t.Fatalf("%s exploded away from interface: dist=%v p=%#v iface=%#v", id, d, p, iface)
+		}
+	}
+}
+
 func BenchmarkSettle500(b *testing.B) {
 	nodes := make([]layout.Node, 500)
 	edges := make([]layout.Edge, 0, 500)
diff --git a/visualiser-wasm/internal/scene/scene.go b/visualiser-wasm/internal/scene/scene.go
index 95128d5c..be0550da 100644
--- a/visualiser-wasm/internal/scene/scene.go
+++ b/visualiser-wasm/internal/scene/scene.go
@@ -82,6 +82,9 @@ type Scene struct {
 	camY    float64
 	zoom    float64
 	dragIdx int
+	// sleeping is true when live ticks have damped below LiveRestSpeed.
+	// Stops per-frame force jitter once the graph has settled.
+	sleeping bool
 }
 
 // New returns an empty scene centred on the origin.
@@ -97,6 +100,9 @@ func New() *Scene {
 
 // Set replaces nodes and edges. Preserves camera unless zoom is > 0 in req.
 func (s *Scene) Set(req SetRequest) {
+	oldVx := s.vx
+	oldVy := s.vy
+	oldIndex := s.index
 	s.nodes = append([]Node(nil), req.Nodes...)
 	s.edges = append([]Edge(nil), req.Edges...)
 	s.index = make(map[string]int, len(s.nodes))
@@ -132,8 +138,21 @@ func (s *Scene) Set(req SetRequest) {
 		s.camY = req.CamY
 	}
 	s.dragIdx = -1
+	s.sleeping = false
 	s.vx = make([]float64, len(s.nodes))
 	s.vy = make([]float64, len(s.nodes))
+	// Carry momentum for ids that survived the rebuild so auto-refresh
+	// does not kick a settling graph back into motion from v=0.
+	if oldIndex != nil && len(oldVx) == len(oldVy) {
+		for i := range s.nodes {
+			j, ok := oldIndex[s.nodes[i].ID]
+			if !ok || j < 0 || j >= len(oldVx) {
+				continue
+			}
+			s.vx[i] = oldVx[j]
+			s.vy[i] = oldVy[j]
+		}
+	}
 }
 
 func defaultSize(kind int) float64 {
@@ -226,9 +245,13 @@ func (s *Scene) screenToWorld(sx, sy float64) (float64, float64) {
 }
 
 // Tick runs a few force iterations when live layout is on.
-func (s *Scene) Tick(steps int) {
+// Returns true when any unfixed node moved this call.
+func (s *Scene) Tick(steps int) bool {
 	if len(s.nodes) == 0 {
-		return
+		return false
+	}
+	if s.sleeping && s.dragIdx < 0 {
+		return false
 	}
 	if steps <= 0 {
 		steps = 1
@@ -276,25 +299,45 @@ func (s *Scene) Tick(steps int) {
 		Gravity:    -1,
 		Repulsion:  layout.LiveRepulsion,
 		SpringK:    layout.LiveSpringK,
-		Damping:    0.58,
-		MaxSpeed:   6,
+		Damping:    layout.LiveDamping,
+		MaxSpeed:   layout.LiveMaxSpeed,
 	})
-	const restSpeed = 0.12
+	moved := false
+	maxSpeed := 0.0
+	maxShift := 0.0
 	for i := range s.nodes {
 		if s.dragIdx == i {
 			s.vx[i] = 0
 			s.vy[i] = 0
 			continue
 		}
+		dx := layoutNodes[i].X - s.nodes[i].X
+		dy := layoutNodes[i].Y - s.nodes[i].Y
 		s.nodes[i].X = layoutNodes[i].X
 		s.nodes[i].Y = layoutNodes[i].Y
 		s.vx[i] = layoutNodes[i].Vx
 		s.vy[i] = layoutNodes[i].Vy
-		if math.Hypot(s.vx[i], s.vy[i]) < restSpeed {
+		speed := math.Hypot(s.vx[i], s.vy[i])
+		if speed < layout.LiveRestSpeed {
 			s.vx[i] = 0
 			s.vy[i] = 0
+			speed = 0
+		}
+		if speed > maxSpeed {
+			maxSpeed = speed
+		}
+		shift := math.Hypot(dx, dy)
+		if shift > maxShift {
+			maxShift = shift
+		}
+		if shift > layout.LiveSleepShift {
+			moved = true
 		}
 	}
+	if s.dragIdx < 0 && maxSpeed < layout.LiveRestSpeed && maxShift < layout.LiveSleepShift {
+		s.sleeping = true
+	}
+	return moved
 }
 
 // PositionsMap returns id -> xy for caching.
@@ -341,6 +384,7 @@ func (s *Scene) DragStart(id string) bool {
 		return false
 	}
 	s.dragIdx = i
+	s.sleeping = false
 	return true
 }
 
@@ -352,6 +396,7 @@ func (s *Scene) DragTo(screenX, screenY float64) {
 	wx, wy := s.screenToWorld(screenX, screenY)
 	s.nodes[s.dragIdx].X = wx
 	s.nodes[s.dragIdx].Y = wy
+	s.sleeping = false
 }
 
 // DragEnd clears the drag target.
diff --git a/visualiser-wasm/internal/scene/scene_test.go b/visualiser-wasm/internal/scene/scene_test.go
index faee1daf..91e8736c 100644
--- a/visualiser-wasm/internal/scene/scene_test.go
+++ b/visualiser-wasm/internal/scene/scene_test.go
@@ -5,6 +5,8 @@ package scene
 import (
 	"math"
 	"testing"
+
+	"github.com/Quad4-Software/MeshChatX/visualiser-wasm/internal/layout"
 )
 
 func TestSetPackAndPick(t *testing.T) {
@@ -109,8 +111,8 @@ func TestTickPersistsVelocityAndSettles(t *testing.T) {
 		Nodes: []Node{
 			{ID: "me", X: 0, Y: 0, Kind: KindMe, Fixed: true, Mass: 4},
 			// Start near hub spring rest length so live ticks should calm quickly.
-			{ID: "a", X: 440, Y: 0, Kind: KindPeer, Mass: 1, Size: 22},
-			{ID: "b", X: -440, Y: 0, Kind: KindPeer, Mass: 1, Size: 22},
+			{ID: "a", X: layout.DefaultHubSpringLen, Y: 0, Kind: KindPeer, Mass: 1, Size: 22},
+			{ID: "b", X: -layout.DefaultHubSpringLen, Y: 0, Kind: KindPeer, Mass: 1, Size: 22},
 		},
 		Edges: []Edge{
 			{From: "me", To: "a", Width: 3},
@@ -156,3 +158,57 @@ func TestTickSeparatesStackedPeers(t *testing.T) {
 		t.Fatalf("stacked peers should spread, dist=%v a=(%v,%v) b=(%v,%v)", dist, s.nodes[1].X, s.nodes[1].Y, s.nodes[2].X, s.nodes[2].Y)
 	}
 }
+
+func TestTickSleepsWhenSettled(t *testing.T) {
+	s := New()
+	s.Set(SetRequest{
+		Nodes: []Node{
+			{ID: "me", X: 0, Y: 0, Kind: KindMe, Fixed: true, Mass: 4, Size: 32},
+			{ID: "a", X: layout.DefaultHubSpringLen, Y: 0, Kind: KindPeer, Mass: 1, Size: 22},
+		},
+		Edges: []Edge{{From: "me", To: "a", Width: 3}},
+	})
+	for i := 0; i < 120; i++ {
+		s.Tick(1)
+	}
+	x := s.nodes[1].X
+	y := s.nodes[1].Y
+	moved := s.Tick(1)
+	if moved {
+		t.Fatalf("settled live layout should sleep, still moving to (%v,%v) from (%v,%v)", s.nodes[1].X, s.nodes[1].Y, x, y)
+	}
+	if s.nodes[1].X != x || s.nodes[1].Y != y {
+		t.Fatalf("sleeping tick moved node from (%v,%v) to (%v,%v)", x, y, s.nodes[1].X, s.nodes[1].Y)
+	}
+}
+
+func TestTickDoesNotExplode(t *testing.T) {
+	s := New()
+	s.Set(SetRequest{
+		Nodes: []Node{
+			{ID: "me", X: 0, Y: 0, Kind: KindMe, Fixed: true, Mass: 4, Size: 32},
+			{ID: "iface", X: 210, Y: 0, Kind: KindIfaceOn, Mass: 2.5, Size: 24},
+			{ID: "a", X: 350, Y: 16, Kind: KindPeer, Mass: 1, Size: 22},
+			{ID: "b", X: 350, Y: -16, Kind: KindPeer, Mass: 1, Size: 22},
+		},
+		Edges: []Edge{
+			{From: "me", To: "iface", Width: 3},
+			{From: "iface", To: "a", Width: 1},
+			{From: "iface", To: "b", Width: 1},
+		},
+	})
+	for i := 0; i < 90; i++ {
+		s.Tick(1)
+	}
+	iface := s.nodes[1]
+	hubDist := math.Hypot(iface.X, iface.Y)
+	if hubDist > 360 {
+		t.Fatalf("live layout inflated hub distance to %v", hubDist)
+	}
+	for i := 2; i < 4; i++ {
+		d := math.Hypot(s.nodes[i].X-iface.X, s.nodes[i].Y-iface.Y)
+		if d > 420 {
+			t.Fatalf("live layout exploded peer %s dist=%v", s.nodes[i].ID, d)
+		}
+	}
+}