fix: restore complete source code and fix launchers

- Copy complete source code packages from original CodeNomad project
- Add root package.json with npm workspace configuration
- Include electron-app, server, ui, tauri-app, and opencode-config packages
- Fix Launch-Windows.bat and Launch-Dev-Windows.bat to work with correct npm scripts
- Fix Launch-Unix.sh to work with correct npm scripts
- Launchers now correctly call npm run dev:electron which launches Electron app

packages/ui/src/stores/tool-call-state.ts

@@ -0,0 +1,36 @@
+import { createSignal } from "solid-js"
+
+const [expandedItems, setExpandedItems] = createSignal<Set<string>>(new Set())
+
+export function isItemExpanded(itemId: string): boolean {
+  return expandedItems().has(itemId)
+}
+
+export function toggleItemExpanded(itemId: string): void {
+  setExpandedItems((prev) => {
+    const next = new Set(prev)
+    if (next.has(itemId)) {
+      next.delete(itemId)
+    } else {
+      next.add(itemId)
+    }
+    return next
+  })
+}
+
+export function setItemExpanded(itemId: string, expanded: boolean): void {
+  setExpandedItems((prev) => {
+    const next = new Set(prev)
+    if (expanded) {
+      next.add(itemId)
+    } else {
+      next.delete(itemId)
+    }
+    return next
+  })
+}
+
+// Backward compatibility aliases
+export const isToolCallExpanded = isItemExpanded
+export const toggleToolCallExpanded = toggleItemExpanded
+export const setToolCallExpanded = setItemExpanded