Add asc-client v0.1.0

Swift CLI for the App Store Connect API. Commands for managing apps,
versions, localizations, screenshots/previews, builds, and review
submission. Includes interactive credential setup and media upload
with retry support for stuck processing items.

Sources/asc-client/Commands/BuildsCommand.swift

@@ -0,0 +1,54 @@
+import AppStoreAPI
+import AppStoreConnect
+import ArgumentParser
+import Foundation
+
+struct BuildsCommand: AsyncParsableCommand {
+  static let configuration = CommandConfiguration(
+    commandName: "builds",
+    abstract: "Manage builds.",
+    subcommands: [List.self]
+  )
+
+  struct List: AsyncParsableCommand {
+    static let configuration = CommandConfiguration(
+      abstract: "List builds."
+    )
+
+    @Option(name: .long, help: "Filter by bundle identifier.")
+    var bundleID: String?
+
+    func run() async throws {
+      let client = try ClientFactory.makeClient()
+
+      var filterApp: [String]?
+      if let bundleID {
+        let app = try await findApp(bundleID: bundleID, client: client)
+        filterApp = [app.id]
+      }
+
+      var allBuilds: [(String, String, String)] = []
+
+      let request = Resources.v1.builds.get(
+        filterApp: filterApp,
+        sort: [.minusUploadedDate]
+      )
+
+      for try await page in client.pages(request) {
+        for build in page.data {
+          let version = build.attributes?.version ?? "—"
+          let state = build.attributes?.processingState
+            .map { "\($0)" } ?? "—"
+          let uploaded = build.attributes?.uploadedDate
+            .map { formatDate($0) } ?? "—"
+          allBuilds.append((version, state, uploaded))
+        }
+      }
+
+      Table.print(
+        headers: ["Version", "State", "Uploaded"],
+        rows: allBuilds.map { [$0.0, $0.1, $0.2] }
+      )
+    }
+  }
+}