Add heading-up compass and persist fiducial layers

wwwroot/lib/leaflet-rotate/LICENSE

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+MIT License
+
+Copyright (c) 2026 Grzegorz Tomicki
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

wwwroot/lib/leaflet-rotate/leaflet-rotate.umd.min.js

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+/*! @tomickigrzegorz/leaflet-rotate v0.3.0 | MIT */
+!function(t,i){"object"==typeof exports&&"undefined"!=typeof module?i(require("leaflet")):"function"==typeof define&&define.amd?define(["leaflet"],i):i((t="undefined"!=typeof globalThis?globalThis:t||self).L)}(this,function(t){"use strict";t.Point.prototype.rotate=function(i){var e=Math.cos(i),o=Math.sin(i);return new t.Point(this.x*e-this.y*o,this.x*o+this.y*e)},t.Point.prototype.rotateFrom=function(t,i){return i?this.subtract(i).rotate(t).add(i):this.rotate(t)};const i=Math.PI/180,e=180/Math.PI;function o(t){return(t%360+360)%360}function a(t){return o(t+180)-180}function n(t){var i=2*Math.PI;return((t+Math.PI)%i+i)%i-Math.PI}const s=1e3/60;function r(t,i){return 1-Math.pow(1-t,i/s)}function h(){return"undefined"!=typeof performance&&performance.now?performance.now():Date.now()}var _=t.Map.prototype;t.Map.mergeOptions({rotate:!1,bearing:0,touchRotate:!1,shiftKeyRotate:!1,dragRotate:!0,rotateControl:!1,rotateClockwise:!0});var p=_.initialize;_.initialize=function(t,i){i&&i.rotate&&(this._rotate=!0,this._bearing=0,this._bearingRad=0),p.call(this,t,i),this._rotate&&this.setBearing(i.bearing||0)};var l=_._initPanes;_._initPanes=function(){if(l.call(this),this._rotate){var i=this._mapPane;this._rotatePane=t.DomUtil.create("div","leaflet-rotate-pane",i),this._norotatePane=t.DomUtil.create("div","leaflet-norotate-pane",i),this._rotatePane.appendChild(this._panes.tilePane),this._rotatePane.appendChild(this._panes.overlayPane),this._norotatePane.appendChild(this._panes.shadowPane),this._norotatePane.appendChild(this._panes.markerPane),this._norotatePane.appendChild(this._panes.tooltipPane),this._norotatePane.appendChild(this._panes.popupPane),t.DomUtil.addClass(this._rotatePane,"leaflet-proxy leaflet-zoom-animated")}},_.setBearing=function(e){if(!this._rotate||!isFinite(e))return this;var a=this._bearing||0,n=o(e);if(n===a)return this;if(this._commitRotatePan(),this._bearing=n,this._bearingRad=n*i,this._updateRotatePaneTransform(),0===a!=(0===n))for(var s in this._layers){var r=this._layers[s];r instanceof t.Renderer&&r._update()}return this.fire("rotate")},_.getBearing=function(){return this._bearing||0},_._updateRotatePaneTransform=function(){if(this._rotatePane){if(!this._bearing)return this._rotatePane.style[t.DomUtil.TRANSFORM]="",void(this._rotatePane.style[t.DomUtil.TRANSFORM+"Origin"]="");var i=this.getSize().divideBy(2);this._rotatePane.style[t.DomUtil.TRANSFORM+"Origin"]=i.x+"px "+i.y+"px",this._rotatePane.style[t.DomUtil.TRANSFORM]="rotate("+this._bearingRad+"rad)"}},_._commitRotatePan=function(){if(this._rotate&&!this._committingRotatePan){var t=this._getMapPanePos();!t||0===t.x&&0===t.y||(this._committingRotatePan=!0,this._resetView(this.getCenter(),this.getZoom(),!0),this._committingRotatePan=!1)}};var m=_.containerPointToLayerPoint;_.containerPointToLayerPoint=function(i){if(!this._rotate||!this._bearing)return m.call(this,i);var e=t.point(i),o=this._getMapPanePos(),a=this.getSize().divideBy(2);return e.subtract(o).subtract(a).rotate(-this._bearingRad).add(a)};var d=_.layerPointToContainerPoint;_.layerPointToContainerPoint=function(i){if(!this._rotate||!this._bearing)return d.call(this,i);var e=t.point(i),o=this._getMapPanePos(),a=this.getSize().divideBy(2);return e.subtract(a).rotate(this._bearingRad).add(a).add(o)},_.rotatedPointToMapPanePoint=function(i){if(!this._bearing)return t.point(i);var e=this.getSize().divideBy(2);return t.point(i).rotateFrom(this._bearingRad,e)},_.mapPanePointToRotatedPoint=function(i){if(!this._bearing)return t.point(i);var e=this.getSize().divideBy(2);return t.point(i).rotateFrom(-this._bearingRad,e)};var c=_._getCenterOffset;_._getCenterOffset=function(t){return this._rotate&&this._bearing?this.project(t).subtract(this.project(this.getCenter())).rotate(this._bearingRad):c.call(this,t)};var u=_.getBounds;_.getBounds=function(){if(!this._rotate||!this._bearing)return u.call(this);var i=this.getSize(),e=t.latLngBounds();return e.extend(this.containerPointToLatLng(t.point(0,0))),e.extend(this.containerPointToLatLng(t.point(i.x,0))),e.extend(this.containerPointToLatLng(t.point(i.x,i.y))),e.extend(this.containerPointToLatLng(t.point(0,i.y))),e},_.mapBoundsToContainerBounds=function(i){return t.bounds([this.latLngToContainerPoint(i.getNorthWest()),this.latLngToContainerPoint(i.getNorthEast()),this.latLngToContainerPoint(i.getSouthEast()),this.latLngToContainerPoint(i.getSouthWest())])};var g=_.getBoundsZoom;_.getBoundsZoom=function(i,e,o){if(!this._rotate||!this._bearing)return g.call(this,i,e,o);i=t.latLngBounds(i),o=t.point(o||[0,0]);var a=this.getZoom()||0,n=this.getMinZoom(),s=this.getMaxZoom(),r=this.getSize().subtract(o);if(r.x<=0||r.y<=0)return a;var h=this.mapBoundsToContainerBounds(i).getSize(),_=this.options.zoomSnap,p=r.x/h.x,l=r.y/h.y,m=e?Math.max(p,l):Math.min(p,l);return a=this.getScaleZoom(m,a),_&&(a=Math.round(a/_)*_),Math.max(n,Math.min(s,a))},_._animateZoomNoDelay=function(t,i,e){this._mapPane&&(e&&(this._animatingZoom=!0,this._animateToCenter=t,this._animLine truncated