Fix extension register tab with API (#229)

* Get rid of extension manager impl

* nit

* Test register tab

src/stores/workspaceStateStore.ts

@@ -1,32 +1,37 @@
+import { SidebarTabExtension } from '@/types/extensionTypes'
 import { defineStore } from 'pinia'
 
 interface WorkspaceState {
   activeSidebarTab: string | null
-  sidebarTabsOrder: string[] // Array of tab IDs in order
+  sidebarTabs: SidebarTabExtension[]
 }
 
 export const useWorkspaceStore = defineStore('workspace', {
   state: (): WorkspaceState => ({
     activeSidebarTab: null,
-    sidebarTabsOrder: []
+    sidebarTabs: []
   }),
   actions: {
     updateActiveSidebarTab(tabId: string) {
       this.activeSidebarTab = tabId
     },
-    updateSidebarOrder(newOrder: string[]) {
-      this.sidebarTabsOrder = newOrder
+    registerSidebarTab(tab: SidebarTabExtension) {
+      this.sidebarTabs = [...this.sidebarTabs, tab]
     },
-    serialize() {
-      return JSON.stringify({
-        activeSidebarTab: this.activeSidebarTab,
-        sidebarTabsOrder: this.sidebarTabsOrder
-      })
+    unregisterSidebarTab(id: string) {
+      const index = this.sidebarTabs.findIndex((tab) => tab.id === id)
+      if (index !== -1) {
+        const tab = this.sidebarTabs[index]
+        if (tab.type === 'custom' && tab.destroy) {
+          tab.destroy()
+        }
+        const newSidebarTabs = [...this.sidebarTabs]
+        newSidebarTabs.splice(index, 1)
+        this.sidebarTabs = newSidebarTabs
+      }
     },
-    deserialize(state: string) {
-      const parsedState = JSON.parse(state)
-      this.sidebarTabsOrder = parsedState.sidebarTabsOrder
-      this.activeSidebarTab = parsedState.activeSidebarTab
+    getSidebarTabs() {
+      return [...this.sidebarTabs]
     }
   }
 })