refactor(run-profile): log corrupted store decode failures

Sources/Zero/Services/RunProfileService.swift

@@ -56,11 +56,15 @@ class FileBasedRunProfileService: RunProfileService {
             return [:]
         }
 
-        guard let store = try? JSONDecoder().decode(RunProfileStore.self, from: data) else {
+        do {
+            let store = try JSONDecoder().decode(RunProfileStore.self, from: data)
+            return store.commandsByRepository
+        } catch {
+            AppLogStore.shared.append(
+                "RunProfileService decode failed for \(configPath): \(error.localizedDescription)"
+            )
             return [:]
         }
-
-        return store.commandsByRepository
     }
 
     private func writeCommands(_ commands: [String: String]) throws {

Tests/ZeroTests/RunProfileServiceTests.swift

@@ -7,11 +7,13 @@ final class RunProfileServiceTests: XCTestCase {
 
     override func setUp() {
         super.setUp()
+        AppLogStore.shared.clear()
         testConfigPath = "/tmp/test-zero-run-profiles-\(UUID().uuidString).json"
         service = FileBasedRunProfileService(configPath: testConfigPath)
     }
 
     override func tearDown() {
+        AppLogStore.shared.clear()
         if let testConfigPath {
             try? FileManager.default.removeItem(atPath: testConfigPath)
         }
@@ -72,4 +74,24 @@ final class RunProfileServiceTests: XCTestCase {
         // Then
         XCTAssertEqual(try service.loadCommand(for: repositoryURL), "swift run")
     }
+
+    func testLoadCommandFromCorruptedStoreAppendsDecodeFailureToAppLogStore() throws {
+        // Given
+        let repositoryURL = URL(string: "https://github.com/zero-ide/Zero.git")!
+        try "{not-valid-json".write(
+            to: URL(fileURLWithPath: testConfigPath),
+            atomically: true,
+            encoding: .utf8
+        )
+
+        // When
+        let command = try service.loadCommand(for: repositoryURL)
+
+        // Then
+        XCTAssertNil(command)
+        let logEntries = AppLogStore.shared.recentEntries()
+        XCTAssertTrue(logEntries.contains { entry in
+            entry.contains("RunProfileService decode failed") && entry.contains(testConfigPath)
+        })
+    }
 }