fix: centralize URLs, tighten models, and polish SwiftUI bindingsv3.1.3

- Add shared HutchDeepLinkURL constants for app, widgets, and tests.
- Bump marketing version to 3.1.2 and build to 70 (app + widget extension).
- Point Hutch stats default base URL at HutchStatsAPI; add SRHTWebURL status
  incident feed and reuse it from SystemStatusService.
- Group Project into Metadata and Resources; split ContributionStatsResponse
  into StatsWindow and StatsTotals with updated decoding and tests.
- Replace @Bindable usage with explicit Bindings in Profile, Projects list,
  and repository ACL flows; simplify Home pinned-item helper; add no-op
  bodies on cancel alert buttons where the compiler requires a statement.
- Move repository row build-status indicator next to the relative-updated
  caption and reserve a fixed 8×8 slot so the row does not jump when status
  loads.
- Use NSString.lastPathComponent for build artifact filenames; collapse
  duplicate ACL error branches; minor HutchStats HTTP and XMLParserDelegate
  cleanups.
- Point widgets at HutchDeepLinkURL helpers; align tests with the new
  response and URL types.

2 files changed, 4 insertions, 2 deletions

diff --git a/Hutch/App/AppConfiguration.swift b/Hutch/App/AppConfiguration.swift
index 7824371..c733799 100644
--- a/Hutch/App/AppConfiguration.swift
+++ b/Hutch/App/AppConfiguration.swift
@@ -1,7 +1,7 @@
 import Foundation
 
 struct AppConfiguration: Sendable {
-    static let defaultHutchStatsBaseURL = URL(string: "https://hutch-stats.zerolabs.sh")!
+    static let defaultHutchStatsBaseURL = HutchStatsAPI.defaultBaseURL
     static let hutchStatsBaseURLEnvironmentKey = "HUTCH_STATS_BASE_URL"
 
     let hutchStatsBaseURL: URL
diff --git a/Hutch/App/HutchIntents.swift b/Hutch/App/HutchIntents.swift
index a7a33b3..5751ef5 100644
--- a/Hutch/App/HutchIntents.swift
+++ b/Hutch/App/HutchIntents.swift
@@ -150,5 +150,7 @@ final class HutchIntentNavigator {
     static let shared = HutchIntentNavigator()
     var pendingDestination: HutchDestination?
 
-    private init() {}
+    private init() {
+        /* Singleton; external code uses `shared`. */
+    }
 }