web: core system for queue & queen bee, move remux to new system

it's 3 am and i think i had a divine intervention

web/src/lib/state/queen-bee/queue.ts

@@ -0,0 +1,84 @@
+import { readable, type Updater } from "svelte/store";
+import type { CobaltQueue, CobaltQueueItem } from "$lib/types/queue";
+import { checkTasks } from "$lib/queen-bee/scheduler";
+import { removeWorkerFromQueue } from "./current-tasks";
+
+let update: (_: Updater<CobaltQueue>) => void;
+
+const queue = readable<CobaltQueue>(
+    {},
+    (_, _update) => { update = _update }
+);
+
+export function addItem(item: CobaltQueueItem) {
+    update(queueData => {
+        queueData[item.id] = item;
+        return queueData;
+    });
+
+    checkTasks();
+}
+
+export function itemError(id: string, workerId: string, error: string) {
+    update(queueData => {
+        if (queueData[id]) {
+            queueData[id] = {
+                ...queueData[id],
+                state: "error",
+                errorCode: error,
+            }
+        }
+        return queueData;
+    });
+
+    removeWorkerFromQueue(workerId);
+    checkTasks();
+}
+
+export function itemDone(id: string, workerId: string, file: File) {
+    update(queueData => {
+        if (queueData[id]) {
+            queueData[id] = {
+                ...queueData[id],
+                state: "done",
+                resultFile: file,
+            }
+        }
+        return queueData;
+    });
+
+    removeWorkerFromQueue(workerId);
+    checkTasks();
+}
+
+export function itemRunning(id: string, step: number) {
+    update(queueData => {
+        if (queueData[id]) {
+            queueData[id] = {
+                ...queueData[id],
+                state: "running",
+                currentStep: step,
+            }
+        }
+        return queueData;
+    });
+
+    checkTasks();
+}
+
+export function removeItem(id: string) {
+    update(queueData => {
+        delete queueData[id];
+        return queueData;
+    });
+
+    checkTasks();
+}
+
+export function clearQueue() {
+    update(() => {
+        return {};
+    });
+}
+
+export { queue };