Split workspace into electron and ui packages

packages/ui/src/lib/command-utils.ts

@@ -0,0 +1,51 @@
+import type { Command } from "./commands"
+import type { Command as SDKCommand } from "@opencode-ai/sdk"
+import { activeSessionId, executeCustomCommand } from "../stores/sessions"
+
+export function commandRequiresArguments(template?: string): boolean {
+  if (!template) return false
+  return /\$(?:\d+|ARGUMENTS)/.test(template)
+}
+
+export function promptForCommandArguments(command: SDKCommand): string | null {
+  if (!commandRequiresArguments(command.template)) {
+    return ""
+  }
+  const input = window.prompt(`Arguments for /${command.name}`, "")
+  if (input === null) {
+    return null
+  }
+  return input
+}
+
+function formatCommandLabel(name: string): string {
+  if (!name) return ""
+  return name.charAt(0).toUpperCase() + name.slice(1)
+}
+
+export function buildCustomCommandEntries(instanceId: string, commands: SDKCommand[]): Command[] {
+  return commands.map((cmd) => ({
+    id: `custom:${instanceId}:${cmd.name}`,
+    label: formatCommandLabel(cmd.name),
+    description: cmd.description ?? "Custom command",
+    category: "Custom Commands",
+    keywords: [cmd.name, ...(cmd.description ? cmd.description.split(/\s+/).filter(Boolean) : [])],
+    action: async () => {
+      const sessionId = activeSessionId().get(instanceId)
+      if (!sessionId || sessionId === "info") {
+        alert("Select a session before running a custom command.")
+        return
+      }
+      const args = promptForCommandArguments(cmd)
+      if (args === null) {
+        return
+      }
+      try {
+        await executeCustomCommand(instanceId, sessionId, cmd.name, args)
+      } catch (error) {
+        console.error("Failed to run custom command:", error)
+        alert("Failed to run custom command. Check the console for details.")
+      }
+    },
+  }))
+}