Let users clear recent activity on Home (#11)

Add a Clear button in the Home Recent section header to drop all
entries, plus swipe-to-delete on each row to forget a single item
(gated on the existing swipe-actions setting). Back it with
RecentActivityStore.clear and remove(id:), with unit tests.

1 files changed, 38 insertions, 0 deletions

diff --git a/HutchTests/RecentActivityStoreTests.swift b/HutchTests/RecentActivityStoreTests.swift
new file mode 100644
index 0000000..e6fcc04
--- /dev/null
+++ b/HutchTests/RecentActivityStoreTests.swift
@@ -0,0 +1,38 @@
+import Foundation
+import Testing
+@testable import Hutch
+
+struct RecentActivityStoreTests {
+    @Test
+    func removeDropsMatchingEntryKeepingOthers() {
+        let defaults = UserDefaults(suiteName: #function)!
+        defaults.removePersistentDomain(forName: #function)
+
+        RecentActivityStore.recordBuild(jobId: 1, title: "Build 1", defaults: defaults)
+        RecentActivityStore.recordBuild(jobId: 2, title: "Build 2", defaults: defaults)
+
+        RecentActivityStore.remove(id: "build:1", defaults: defaults)
+
+        let remaining = RecentActivityStore.load(defaults: defaults)
+        #expect(remaining.map(\.id) == ["build:2"])
+    }
+
+    @Test
+    func clearRemovesAllEntries() {
+        let defaults = UserDefaults(suiteName: #function)!
+        defaults.removePersistentDomain(forName: #function)
+
+        RecentActivityStore.recordBuild(jobId: 1, title: "Build 1", defaults: defaults)
+        RecentActivityStore.recordTicket(
+            ownerUsername: "~alice",
+            trackerName: "hutch",
+            ticketId: 42,
+            title: "A ticket",
+            defaults: defaults
+        )
+
+        RecentActivityStore.clear(defaults: defaults)
+
+        #expect(RecentActivityStore.load(defaults: defaults).isEmpty)
+    }
+}