Merge remote-tracking branch 'upstream/main' into core-rb2

# Conflicts:
#	CHANGELOG.md
#	build/vite.js
#	scripts/package-boundaries.json
#	server/standalone/vite.config.js
#	src/app/scene.js
#	src/layers/vessels/queries.js
#	src/standalone/application.js
#	src/tooling/viteBuild.test.mjs
#	src/ui/cockpitInstruments.js
#	src/ui/layerPanel.js
#	src/ui/panelPositionControls.js

src/ui/panelChrome.js

@@ -15,6 +15,7 @@ const SHARE_PANEL_STATE_SPECS = Object.freeze([
   { id: 'cctv-panel' },
   { id: 'weather-panel' },
   { id: 'recent-imagery-panel' },
+  { id: 'street-level-panel' },
   { id: 'radio-panel' },
   { id: 'scene-panel' },
   { id: 'global-context-panel' },
@@ -27,6 +28,7 @@ const COCKPIT_ENTRY_COLLAPSE_PANEL_IDS = Object.freeze([
   'cctv-panel',
   'weather-panel',
   'recent-imagery-panel',
+  'street-level-panel',
   'scene-panel',
   'pp-toggles',
   'global-context-panel',
@@ -62,6 +64,7 @@ export class PanelChrome {
       layoutRightPanels: () => this._layoutRightPanels(),
       syncCctvPanelViewport: () => this._syncCctvPanelViewport(),
       showToast: (message) => this._showToast(message),
+      onPanelResized: (panelId) => this._onPanelResized(panelId),
     });
     this._panelLayout = new PanelLayoutController({
       readHud: () => ({
@@ -145,6 +148,7 @@ export class PanelChrome {
     this._initCommandDockPins();
     this._initCommandDockTrayMetrics();
     this._maybeNotifyLayoutReset();
+    this._panelPosition._initPanelDrag();
   }
 
   _collapsePanelOnEscape(event, panelId) {
@@ -289,6 +293,7 @@ export class PanelChrome {
       'cctv-panel',
       'weather-panel',
       'recent-imagery-panel',
+      'street-level-panel',
       'global-context-panel',
     ].includes(panelEl?.id);
     const collapsed = panelEl.classList.contains('collapsed');
@@ -400,6 +405,11 @@ export class PanelChrome {
     this.shareLinkManager?.onPanelStateChange?.();
   }
 
+  /** @returns {boolean} Whether the panel was floating and is now docked. */
+  dockPanel(panelId) {
+    return this._panelPosition?.dockPanel?.(panelId) === true;
+  }
+
   setPanelCollapsed(
     panelId,
     collapsed,
@@ -422,17 +432,20 @@ export class PanelChrome {
       panelEl.classList.contains('cyber-accordion-collapsed');
     // A user opening a Cyber rail panel owns the whole accordion, including
     // peers that were only presentation-collapsed during a saved-state restore.
+    // A floating window is outside the accordion both ways.
     if (
       explicit &&
       !restore &&
       !nextCollapsed &&
       document.documentElement?.dataset.uiTheme === 'cyber' &&
-      panelEl.parentElement === this._rightPanelStack
+      panelEl.parentElement === this._rightPanelStack &&
+      !panelEl.classList.contains('panel-floating')
     ) {
       for (const peer of this._rightPanelStack.children) {
         if (
           peer !== panelEl &&
           peer.matches('[data-panel-id]') &&
+          !peer.classList.contains('panel-floating') &&
           !peer.hidden
         ) {
           this.setPanelCollapsed(peer.id, true, {
@@ -560,6 +573,10 @@ export class PanelChrome {
       }
     }
     panelEl.classList.toggle('collapsed', nextCollapsed);
+    // Only a user's own collapse docks a floating window; restores, cockpit
+    // entry and accordion peers keep its place.
+    if (explicit && !restore)
+      this._panelPosition?.onPanelCollapsed?.(panelId, nextCollapsed);
     if (
       nextCollapsed &&
       this.cockpitView?.active &&