Add --mount/--davmount WebDAV auto-mount via a managed, verified rclone

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

docs/charts/cpu.svg

@@ -1,6 +1,6 @@
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 760 200" width="760" role="img" aria-labelledby="t d" style="max-width:100%;height:auto">
 <title id="t">CPU time used by four busy loops</title>
-<desc id="d">Two bars, CPU seconds consumed in 4.2 seconds of wall time. Without a limit 15.6, with --cpus 0.5 2.4.</desc>
+<desc id="d">Two bars, CPU seconds consumed in 4.2 seconds of wall time. Without a limit 16.3, with --cpus 0.5 2.3.</desc>
 <style>
   .bg { fill: var(--surface); }
   .t1 { fill: var(--ink); font: 600 15px system-ui, -apple-system, "Segoe UI", sans-serif; }
@@ -21,26 +21,28 @@
 </style>
 <rect class="bg" x="0" y="0" width="760" height="200" rx="8"/>
 <text class="t1" x="20" y="28">CPU time used by 4 busy loops in one container (CPU-seconds)</text>
-<text class="t2" x="20" y="46">4.2 s of wall time. Half a CPU allows about 2.1 CPU-seconds; measured 2.4.</text>
+<text class="t2" x="20" y="46">4.2 s of wall time. Half a CPU allows about 2.1 CPU-seconds; measured 2.3.</text>
 <rect class="oth" x="20" y="55" width="12" height="12" rx="2"/>
 <text class="t2" x="38" y="65">no limit</text>
 <rect class="acc" x="116" y="55" width="12" height="12" rx="2"/>
 <text class="t2" x="134" y="65">--cpus 0.5</text>
 <line class="grid" x1="170.0" y1="84" x2="170.0" y2="146"/>
 <text class="tick" x="170.0" y="162" text-anchor="middle">0</text>
-<line class="grid" x1="295.0" y1="84" x2="295.0" y2="146"/>
-<text class="tick" x="295.0" y="162" text-anchor="middle">4</text>
-<line class="grid" x1="420.0" y1="84" x2="420.0" y2="146"/>
-<text class="tick" x="420.0" y="162" text-anchor="middle">8</text>
-<line class="grid" x1="545.0" y1="84" x2="545.0" y2="146"/>
-<text class="tick" x="545.0" y="162" text-anchor="middle">12</text>
+<line class="grid" x1="270.0" y1="84" x2="270.0" y2="146"/>
+<text class="tick" x="270.0" y="162" text-anchor="middle">4</text>
+<line class="grid" x1="370.0" y1="84" x2="370.0" y2="146"/>
+<text class="tick" x="370.0" y="162" text-anchor="middle">8</text>
+<line class="grid" x1="470.0" y1="84" x2="470.0" y2="146"/>
+<text class="tick" x="470.0" y="162" text-anchor="middle">12</text>
+<line class="grid" x1="570.0" y1="84" x2="570.0" y2="146"/>
+<text class="tick" x="570.0" y="162" text-anchor="middle">16</text>
 <line class="grid" x1="670.0" y1="84" x2="670.0" y2="146"/>
-<text class="tick" x="670.0" y="162" text-anchor="middle">16</text>
+<text class="tick" x="670.0" y="162" text-anchor="middle">20</text>
 <text class="lab" x="160" y="105.0" text-anchor="end">no limit</text>
-<path class="oth" d="M170.0,92.0 h482.2 a4,4 0 0 1 4,4 v10.0 a4,4 0 0 1 -4,4 h-482.2 z"><title>no limit: 15.6 CPU-seconds</title></path>
-<text class="val" x="664.2" y="105.0">15.6 CPU-s</text>
+<path class="oth" d="M170.0,92.0 h404.0 a4,4 0 0 1 4,4 v10.0 a4,4 0 0 1 -4,4 h-404.0 z"><title>no limit: 16.3 CPU-seconds</title></path>
+<text class="val" x="586.0" y="105.0">16.3 CPU-s</text>
 <text class="lab" x="160" y="135.0" text-anchor="end">--cpus 0.5</text>
-<path class="acc" d="M170.0,122.0 h70.4 a4,4 0 0 1 4,4 v10.0 a4,4 0 0 1 -4,4 h-70.4 z"><title>--cpus 0.5: 2.4 CPU-seconds</title></path>
-<text class="val" x="252.4" y="135.0">2.4 CPU-s</text>
+<path class="acc" d="M170.0,122.0 h53.2 a4,4 0 0 1 4,4 v10.0 a4,4 0 0 1 -4,4 h-53.2 z"><title>--cpus 0.5: 2.3 CPU-seconds</title></path>
+<text class="val" x="235.2" y="135.0">2.3 CPU-s</text>
 <line class="axis" x1="170" y1="84" x2="170" y2="146"/>
 </svg>