Created miner, made harvester pick resources and added reset commands.

RoomClass.js

@@ -0,0 +1,39 @@
+module.exports = {
+	setup: function () { Room.prototype = _Room.prototype; }
+}
+
+class _Room extends Room {
+	begin(){
+		roomScan(this);
+		jobScan(this);
+		vacancyScan(this);
+		this.memory.init = true;	
+    }
+    
+    tick(){
+		if(!this.memory.init) this.begin(); 
+		if(Game.time%100 === 1) vacancyScan(this);
+    }
+}   
+
+function roomScan(room){
+	room.memory.layout = {
+		sources: room.find(FIND_SOURCES).map(s=>s.id)
+	};
+}
+
+function jobScan(room){
+	if(!room.memory.jobs) room.memory.jobs = Array(10).fill({role: Role.HARVESTER})
+		.concat(room.memory.layout.sources.map(s=> {return {role: Role.MINER, source: s}}));	
+}
+
+function vacancyScan(room){
+	const activeJobs = room.find(FIND_MY_CREEPS).map(creep=>creep.memory.job);
+	const jobs = [].concat(room.memory.jobs);
+	activeJobs.forEach(job => {
+		const index = jobs.indexOf(job);
+		if(0 <= index) jobs.splice(index,1);
+	});
+	room.memory.vacancies = jobs;
+}
+