refactor(git-panel): persist operation failures in app log store

Sources/Zero/Services/GitPanelService.swift

@@ -40,7 +40,7 @@ class GitPanelService: ObservableObject {
             branches = try gitService.branches(in: containerName)
             errorMessage = nil
         } catch {
-            errorMessage = error.localizedDescription
+            reportFailure(action: "refresh", userMessage: error.localizedDescription, error: error)
         }
     }
 
@@ -51,7 +51,7 @@ class GitPanelService: ObservableObject {
             try gitService.add(files: files, in: containerName)
             await refresh()
         } catch {
-            errorMessage = error.localizedDescription
+            reportFailure(action: "stage", userMessage: error.localizedDescription, error: error)
         }
     }
 
@@ -62,7 +62,7 @@ class GitPanelService: ObservableObject {
             try gitService.addAll(in: containerName)
             await refresh()
         } catch {
-            errorMessage = error.localizedDescription
+            reportFailure(action: "stageAll", userMessage: error.localizedDescription, error: error)
         }
     }
 
@@ -73,7 +73,7 @@ class GitPanelService: ObservableObject {
             try gitService.commit(message: message, in: containerName)
             await refresh()
         } catch {
-            errorMessage = error.localizedDescription
+            reportFailure(action: "commit", userMessage: error.localizedDescription, error: error)
         }
     }
 
@@ -84,7 +84,7 @@ class GitPanelService: ObservableObject {
             try gitService.commitAll(message: message, in: containerName)
             await refresh()
         } catch {
-            errorMessage = error.localizedDescription
+            reportFailure(action: "commitAll", userMessage: error.localizedDescription, error: error)
         }
     }
 
@@ -95,7 +95,7 @@ class GitPanelService: ObservableObject {
             try gitService.createAndCheckoutBranch(name: name, in: containerName)
             await refresh()
         } catch {
-            errorMessage = error.localizedDescription
+            reportFailure(action: "createBranch", userMessage: error.localizedDescription, error: error)
         }
     }
 
@@ -106,7 +106,7 @@ class GitPanelService: ObservableObject {
             try gitService.checkout(branch: branch, in: containerName)
             await refresh()
         } catch {
-            errorMessage = error.localizedDescription
+            reportFailure(action: "checkout", userMessage: error.localizedDescription, error: error)
         }
     }
 
@@ -117,7 +117,8 @@ class GitPanelService: ObservableObject {
             try gitService.push(in: containerName)
             await refresh()
         } catch {
-            errorMessage = mapRemoteActionError(error, action: .push)
+            let message = mapRemoteActionError(error, action: .push)
+            reportFailure(action: "push", userMessage: message, error: error)
         }
     }
 
@@ -130,11 +131,13 @@ class GitPanelService: ObservableObject {
         } catch {
             if isPullConflictError(error) {
                 let conflictedFiles = (try? gitService.conflictedFiles(in: containerName)) ?? []
-                errorMessage = pullConflictGuidance(conflictedFiles: conflictedFiles)
+                let message = pullConflictGuidance(conflictedFiles: conflictedFiles)
+                reportFailure(action: "pull", userMessage: message, error: error)
                 return
             }
 
-            errorMessage = mapRemoteActionError(error, action: .pull)
+            let message = mapRemoteActionError(error, action: .pull)
+            reportFailure(action: "pull", userMessage: message, error: error)
         }
     }
 
@@ -155,10 +158,15 @@ class GitPanelService: ObservableObject {
         } catch {
             selectedDiffTitle = "Diff · \(path)"
             selectedDiff = "Failed to load diff: \(error.localizedDescription)"
-            errorMessage = error.localizedDescription
+            reportFailure(action: "loadDiff", userMessage: error.localizedDescription, error: error)
         }
     }
 
+    private func reportFailure(action: String, userMessage: String, error: Error) {
+        errorMessage = userMessage
+        AppLogStore.shared.append("GitPanel \(action) failed: \(userMessage) [raw=\(error.localizedDescription)]")
+    }
+
     func showUntrackedDiffPlaceholder(for path: String) {
         selectedDiffTitle = "Untracked · \(path)"
         selectedDiff = "Untracked files have no git diff until staged."

Tests/ZeroTests/GitPanelServiceTests.swift

@@ -27,6 +27,16 @@ private final class GitPanelMockContainerRunner: ContainerRunning {
 
 @MainActor
 final class GitPanelServiceTests: XCTestCase {
+    override func setUp() {
+        super.setUp()
+        AppLogStore.shared.clear()
+    }
+
+    override func tearDown() {
+        AppLogStore.shared.clear()
+        super.tearDown()
+    }
+
     func testPushMapsNonFastForwardFailureToGuidance() async {
         // Given
         let runner = GitPanelMockContainerRunner()
@@ -129,6 +139,47 @@ final class GitPanelServiceTests: XCTestCase {
         XCTAssertEqual(service.errorMessage, "fatal: unexpected socket close")
     }
 
+    func testPushFailureAppendsErrorToAppLogStore() async {
+        // Given
+        let runner = GitPanelMockContainerRunner()
+        runner.shellErrorsByCommandSubstring["git push"] = NSError(
+            domain: "git",
+            code: 1,
+            userInfo: [NSLocalizedDescriptionKey: "fatal: unexpected socket close"]
+        )
+        let service = makeService(runner: runner)
+
+        // When
+        await service.push()
+
+        // Then
+        let logEntries = AppLogStore.shared.recentEntries()
+        XCTAssertTrue(logEntries.contains { entry in
+            entry.contains("GitPanel push failed") && entry.contains("fatal: unexpected socket close")
+        })
+    }
+
+    func testPullConflictAppendsGuidanceToAppLogStore() async {
+        // Given
+        let runner = GitPanelMockContainerRunner()
+        runner.nextShellOutput = "Sources/Zero/Views/EditorView.swift"
+        runner.shellErrorsByCommandSubstring["git pull"] = NSError(
+            domain: "git",
+            code: 1,
+            userInfo: [NSLocalizedDescriptionKey: "Automatic merge failed; fix conflicts and then commit the result."]
+        )
+        let service = makeService(runner: runner)
+
+        // When
+        await service.pull()
+
+        // Then
+        let logEntries = AppLogStore.shared.recentEntries()
+        XCTAssertTrue(logEntries.contains { entry in
+            entry.contains("GitPanel pull failed") && entry.contains("Pull hit merge conflicts")
+        })
+    }
+
     private func makeService(runner: GitPanelMockContainerRunner) -> GitPanelService {
         let service = GitPanelService()
         service.setup(gitService: GitService(runner: runner), containerName: "zero-dev-container")