add cam inner first routing option. add engine sample persistence

src/kiri/mode/cam/init-menu.js

@@ -97,6 +97,7 @@ export function menu() {
     camConventional:     newBoolean(LANG.ou_conv_s, onBooleanClick, {title:LANG.ou_conv_l}),
     camEaseDown:         newBoolean(LANG.cr_ease_s, onBooleanClick, {title:LANG.cr_ease_l}),
     camDepthFirst:       newBoolean(LANG.ou_depf_s, onBooleanClick, {title:LANG.ou_depf_l}),
+    camInnerFirst:       newBoolean(LANG.ou_inrf_s, onBooleanClick, {title:LANG.ou_inrf_l}),
     camToolInit:         newBoolean(LANG.ou_toin_s, onBooleanClick, {title:LANG.ou_toin_l}),
     separator:           newBlank({ class:"set-sep", driven }),
     camFirstZMax:        newBoolean(LANG.ou_z1st_s, onBooleanClick, {title:LANG.ou_z1st_l}),

src/kiri/mode/cam/prepare.js

@@ -85,6 +85,7 @@ export function prepEach(widget, settings, print, firstPoint, update) {
         easeDown = process.camEaseDown,
         easeAngle = process.camEaseAngle,
         depthFirst = process.camDepthFirst,
+        innerFirst = process.camInnerFirst,
         engageFactor = process.camFullEngage,
         arcTolerance = process.camArcTolerance,
         arcRes = toRadians(process.camArcResolution),
@@ -719,7 +720,10 @@ export function prepEach(widget, settings, print, firstPoint, update) {
         setTool(tool, rate, plunge);
         let traceTool = new Tool(settings, tool);
         let traceToolDiam = traceTool.fluteDiameter();
-        printPoint = poly2polyEmit(slice.camLines, printPoint, polyEmit, { swapdir: false });
+        printPoint = poly2polyEmit(slice.camLines, printPoint, polyEmit, {
+            swapdir: false,
+            weight: innerFirst
+        });
         newLayer();
     }
 

src/kiri/mode/cam/slice.js

@@ -87,6 +87,8 @@ export async function cam_slice(settings, widget, onupdate, ondone) {
             bottom_z, bottom_cut
         }, 3);
 
+        console.log({ track, bounds, stock, workarea });
+
         return structuredClone(workarea);
     };