enforce 100% physical source coverage and inject desktop adapter (v0.6.0)

@@ -42,6 +42,18 @@4242 swift run4343 ```4444 45+Run the full test suite and the checked-in 100% physical source-line coverage gate:46+47+```sh48+./coverage.sh49+```50+51+The coverage command combines `swift test --enable-code-coverage` with a52+smoke run of the executable so the real entry point is measured. Its physical53+source-line gate excludes blank, comment-only, and structural brace lines;54+the LLVM aggregate report printed above it also includes compiler-generated55+SwiftUI mappings and can therefore be lower.56+4557 Haven lives in the menu bar (it has no Dock icon). Click the menu bar icon to4658 open the popover.4759 

@@ -7,6 +7,15 @@77   func saveToFolder(from sourceURL: URL, to folderURL: URL) throws88 }99 10+@MainActor11+protocol DesktopImageSetting {12+  func setDesktopImageURL(13+    _ url: URL, for screen: NSScreen, options: [NSWorkspace.DesktopImageOptionKey: Any]14+  ) throws15+}16+17+extension NSWorkspace: DesktopImageSetting {}18+1019 class WallpaperManager: WallpaperManaging {1120   static let shared = WallpaperManager()1221 @@ -15,15 +24,16 @@1524 1625   init(1726     session: URLSession = .shared,18-    desktopSetter: @escaping @MainActor (URL, NSScreen) throws -> Void =19-      WallpaperManager.applyDesktopImage27+    desktopSetter: (@MainActor (URL, NSScreen) throws -> Void)? = nil,28+    workspace: DesktopImageSetting = NSWorkspace.shared2029   ) {2130     self.session = session22-    self.desktopSetter = desktopSetter23-  }24-25-  private static func applyDesktopImage(_ url: URL, _ screen: NSScreen) throws {26-    try NSWorkspace.shared.setDesktopImageURL(url, for: screen, options: [:])31+    self.desktopSetter =32+      desktopSetter ?? { url, screen in33+        try workspace.setDesktopImageURL(34+          url, for: screen, options: [:]35+        )36+      }2737   }2838 2939   /// Downloads the file to a temporary location and returns the local URL.

@@ -6,4 +6,4 @@66   delegate: delegate,77   shouldRun: ProcessInfo.processInfo.environment["HAVEN_COVERAGE_SMOKE"] != "1",88   setDelegate: { app.delegate = $0 },9-  run: { app.run() })9+  run: app.run)

@@ -38,6 +38,17 @@3838     "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A8AAQUBAScY42YAAAAASUVORK5CYII="3939 )!4040 41+@MainActor42+private final class DesktopImageStub: DesktopImageSetting {43+  var receivedURLs: [URL] = []44+45+  func setDesktopImageURL(46+    _ url: URL, for screen: NSScreen, options: [NSWorkspace.DesktopImageOptionKey: Any]47+  ) throws {48+    receivedURLs.append(url)49+  }50+}51+4152 @Suite("Favorites persistence", .serialized)4253 struct FavoritesManagerTests {4354   private let defaultsKey = "favoriteWallpapers"@@ -194,14 +205,16 @@194205     #expect(received[0] === screen)195206   }196207 197-  @Test("Default desktop adapter reports invalid local files")198-  func defaultDesktopAdapter() {208+  @Test("Default desktop adapter forwards the image to its workspace")209+  func defaultDesktopAdapter() throws {199210     guard let screen = NSScreen.screens.first else { return }200-    let manager = WallpaperManager()201-    #expect(throws: Error.self) {202-      try manager.setDesktopImage(203-        from: URL(fileURLWithPath: "/definitely-missing-haven-wallpaper.jpg"), screen: screen)204-    }211+    let workspace = DesktopImageStub()212+    let manager = WallpaperManager(workspace: workspace)213+    let url = URL(fileURLWithPath: "/tmp/test-wallpaper.jpg")214+215+    try manager.setDesktopImage(from: url, screen: screen)216+217+    #expect(workspace.receivedURLs == [url])205218   }206219 207220   @Test("Set wallpaper composes download and desktop update")