Emit SF Symbols 6 templates so the widget catalog builds on Xcode 16.4

QUICKCONNECT.md

@@ -176,8 +176,10 @@ reconciler (the shared tunnel intent, section 3). The July draft in
   else, so `widgets/Assets.xcassets/gen_connector_symbols.py` rebuilds the
   connector mark analytically (a 128-unit square whose corners are five
   quarter-circle arcs of radius 8, alternating convex/concave) and emits two
-  Template v7 symbol SVGs with the interpolation sources Ultralight-S,
-  Regular-S, Black-S and Regular-M. The outline variant is a true filled ring
+  Template v6 symbol SVGs (SF Symbols 6 / Xcode 16 -- CI pins Xcode 16.4 and
+  its actool rejects a newer template outright) with the interpolation
+  sources Ultralight-S, Regular-S, Black-S and Regular-M. The outline
+  variant is a true filled ring
   (lines inset by w, convex arcs shrunk to 8−w, concave arcs grown to 8+w),
   because symbols must be path-based, not stroked. `actool` validates both.
 - **State** (`ControlValueProvider.currentValue`): the app's configuration is

app/network/Shared/Widgets/WidgetRefresh.swift

@@ -24,10 +24,20 @@ enum WidgetRefresh {
 
     /// The Control Center / Lock Screen / Action button toggle (iOS 18,
     /// macOS 26). A no-op on earlier systems.
+    ///
+    /// iOS only at compile time: `ControlCenter` is a macOS 26 symbol, so it
+    /// is simply absent from the macOS 15 SDK the CI toolchain (Xcode 16.4)
+    /// builds against, and the `#available` check below cannot help — that is
+    /// a runtime test, and the declaration has to exist to compile at all.
+    /// The control ships on iOS only in practice, so on macOS this is a no-op
+    /// rather than a missing method: `reloadAll()` and the app, tunnel
+    /// extension and widget targets that call it all still build.
     static func reloadControl() {
+        #if os(iOS)
         if #available(iOS 18.0, macOS 26.0, *) {
             ControlCenter.shared.reloadControls(ofKind: WidgetKinds.quickConnectControl)
         }
+        #endif
     }
 
     static func reloadDashboard() {

app/widgets/Assets.xcassets/gen_connector_symbols.py

@@ -10,9 +10,15 @@
 produce true outline rings per weight (lines shift by w, convex arcs shrink to
 8-w, concave arcs grow to 8+w; tangency is preserved).
 
-Output: two symbol template SVGs (Template v.7.0 layout, as exported by the
-SF Symbols app) with the interpolation sources Ultralight-S, Regular-S,
-Black-S plus Regular-M.
+Output: two symbol template SVGs (Template v.6.0, i.e. SF Symbols 6 / Xcode
+16) with the interpolation sources Ultralight-S, Regular-S, Black-S plus
+Regular-M.
+
+The version has to stay at 6.0: CI pins Xcode 16.4, and its actool rejects a
+newer template outright -- "Template format 7.0 is newer than the version that
+this software supports (6.0)" -- before it reads any of the artwork. The SF
+Symbols app on a current machine exports 7.0, so if you re-export from it,
+re-apply the 6.0 changes here rather than committing its output.
 """
 import math
 import os
@@ -133,7 +139,9 @@ def glyph(size, inset, y_center):
     return d
 
 
-# Template geometry copied from an SF Symbols app v7 export (viewBox 3300x2200).
+# Artboard geometry as exported by the SF Symbols app (viewBox 3300x2200).
+# Only the version banner and the v7-only style metadata (see STYLE below)
+# were changed to target 6.0; these coordinates are left exactly as exported.
 BASELINE = {"S": 696.0, "M": 1126.0, "L": 1556.0}
 CAPLINE = {"S": 625.541, "M": 1055.54, "L": 1485.54}
 CAP_HEIGHT = BASELINE["M"] - CAPLINE["M"]  # 70.46
@@ -150,13 +158,24 @@ def glyph(size, inset, y_center):
 H_REFERENCE = ("M0.7 0L0.7-70.5L11.4-70.5L11.4-40.7L44.8-40.7L44.8-70.5L55.5-70.5L55.5 0"
                "L44.8 0L44.8-31.8L11.4-31.8L11.4 0Z")
 
-STYLE = """.defaults {-sfsymbols-variable-value-mode:color;-sfsymbols-draw-reverses-motion-groups:true}
-
-.monochrome-0 {-sfsymbols-motion-group:0;-sfsymbols-layer-tags:564789760d3a318d}
-
-.multicolor-0:tintColor {-sfsymbols-motion-group:0;-sfsymbols-layer-tags:564789760d3a318d}
-
-.hierarchical-0:primary {-sfsymbols-motion-group:0;-sfsymbols-layer-tags:564789760d3a318d}
+# Style block for a 6.0 template. The four -sfsymbols-* properties a v7 export
+# writes here are all v7 vocabulary and are omitted: -sfsymbols-motion-group and
+# -sfsymbols-draw-reverses-motion-groups configure the SF Symbols 7 Draw
+# animation, -sfsymbols-layer-tags is v7's per-layer identity token, and
+# -sfsymbols-variable-value-mode selects between color and draw as the thing
+# variable value drives, which is only a choice once draw exists. None of the
+# four does anything for this symbol -- it is a single static layer with no
+# variable value and no Draw animation -- so dropping them costs nothing.
+#
+# The three layer classes stay, with empty bodies: they are what each path's
+# class attribute binds to, naming the monochrome / hierarchical / multicolor
+# layers. .defaults goes entirely -- it carried nothing but the two v7
+# document-level properties.
+STYLE = """.monochrome-0 {}
+
+.multicolor-0:tintColor {}
+
+.hierarchical-0:primary {}
 
 .SFSymbolsPreviewWireframe {fill:none;opacity:1.0;stroke:black;stroke-width:0.5}
 """
@@ -210,8 +229,8 @@ def template(name, outline):
   <text style="stroke:none;fill:black;font-family:sans-serif;font-size:13;text-anchor:middle;" transform="matrix(1 0 0 1 559.711 322)">Ultralight</text>
   <text style="stroke:none;fill:black;font-family:sans-serif;font-size:13;text-anchor:middle;" transform="matrix(1 0 0 1 1449.84 322)">Regular</text>
   <text style="stroke:none;fill:black;font-family:sans-serif;font-size:13;text-anchor:middle;" transform="matrix(1 0 0 1 2933.4 322)">Black</text>
-  <text id="template-version" style="stroke:none;fill:black;font-family:sans-serif;font-size:13;text-anchor:end;" transform="matrix(1 0 0 1 3036 1933)">Template v.7.0</text>
-  <text style="stroke:none;fill:black;font-family:sans-serif;font-size:13;text-anchor:end;" transform="matrix(1 0 0 1 3036 1951)">Requires Xcode 26 or greater</text>
+  <text id="template-version" style="stroke:none;fill:black;font-family:sans-serif;font-size:13;text-anchor:end;" transform="matrix(1 0 0 1 3036 1933)">Template v.6.0</text>
+  <text style="stroke:none;fill:black;font-family:sans-serif;font-size:13;text-anchor:end;" transform="matrix(1 0 0 1 3036 1951)">Requires Xcode 16 or greater</text>
   <text id="descriptive-name" style="stroke:none;fill:black;font-family:sans-serif;font-size:13;text-anchor:end;" transform="matrix(1 0 0 1 3036 1969)">Generated from %s</text>
   <text style="stroke:none;fill:black;font-family:sans-serif;font-size:13;text-anchor:end;" transform="matrix(1 0 0 1 3036 1987)">Typeset at 100.0 points</text>
   <text style="stroke:none;fill:black;font-family:sans-serif;font-size:13;" transform="matrix(1 0 0 1 263 726)">Small</text>

app/widgets/Control/QuickConnectControl.swift

@@ -24,6 +24,16 @@
 //  connected/disconnected value text.
 //
 
+//  iOS only at compile time: ControlWidget, StaticControlConfiguration,
+//  ControlWidgetToggle and ControlValueProvider are macOS 26 symbols, absent
+//  from the macOS 15 SDK that the CI toolchain (Xcode 16.4) builds against.
+//  The `@available` annotations below stay because they are still the correct
+//  runtime guard on iOS; only the compile-time platform test can keep the
+//  macOS leg from needing declarations its SDK does not have.
+//
+
+#if os(iOS)
+
 import AppIntents
 import SwiftUI
 import WidgetKit
@@ -79,3 +89,5 @@ extension QuickConnectControl {
         }
     }
 }
+
+#endif

app/widgets/URnetworkWidgets.swift

@@ -23,8 +23,14 @@ struct URnetworkWidgetBundle: WidgetBundle {
         DashboardWidget()
         ProviderGlobeWidget()
         ContractsWidget()
+        // iOS only at compile time: the control's WidgetKit types are
+        // macOS 26 symbols and are absent from the macOS 15 SDK CI builds
+        // against, so QuickConnectControl itself is not compiled there. The
+        // macOS bundle is still valid, with the three Home Screen widgets.
+        #if os(iOS)
         if #available(iOS 18.0, macOS 26.0, *) {
             QuickConnectControl()
         }
+        #endif
     }
 }