fix(swift-ios): honor the Add project starting directory

apps/swift-ios/App/NativeFeatureClient.swift

@@ -6710,6 +6710,7 @@ final class NativeFeatureClient: FeatureClient, FeatureDeviceManaging,
         mapped.machineIcon = serverConfigsByEnvironmentID[environment.id]?.settings?.environmentIcon
             ?? environment.descriptor?.platform.machine
         mapped.newProjectsRoot = serverConfigsByEnvironmentID[environment.id]?.newProjectsRoot
+        mapped.addProjectBaseDirectory = serverConfigsByEnvironmentID[environment.id]?.settings?.addProjectBaseDirectory
         mapped.supportsScratch = serverConfigsByEnvironmentID[environment.id]?.scratchWorkspaceRoot != nil
         mapped.canCustomizeIcon = serverConfigsByEnvironmentID[environment.id]?.environment?.capabilities.environmentIcon
             ?? environment.descriptor?.capabilities.environmentIcon

apps/swift-ios/Core/ServerConfigModels.swift

@@ -221,6 +221,7 @@ public struct ServerSettingsSnapshot: Codable, Equatable, Sendable {
     public var environmentIcon: String? = nil
     public var sourceControlWritingStyle: JSONValue? = nil
     public var worktreesDirectory: String? = nil
+    public var addProjectBaseDirectory: String? = nil
     public var previousWorktreesDirectories: [String]? = nil
     public var removeAgentCreditsOnMerge: Bool? = nil
     public var sourceControlHosts: [String: [String: JSONValue]]? = nil
@@ -310,6 +311,7 @@ public struct ServerSettingsSnapshot: Codable, Equatable, Sendable {
         case environmentIcon
         case sourceControlWritingStyle
         case worktreesDirectory, previousWorktreesDirectories, removeAgentCreditsOnMerge, sourceControlHosts
+        case addProjectBaseDirectory
         case worktreeSubmodules, storageCleanup, worktreeCleanup
         case defaultAutoPull, responseStreamingMode, projectSettingsOverrides, projectSettingsFolded, providerInstances
         case favorites, providerModelPreferences
@@ -335,6 +337,7 @@ public struct ServerSettingsSnapshot: Codable, Equatable, Sendable {
         environmentIcon = try container.decodeIfPresent(String.self, forKey: .environmentIcon)
         sourceControlWritingStyle = try container.decodeIfPresent(JSONValue.self, forKey: .sourceControlWritingStyle)
         worktreesDirectory = try container.decodeIfPresent(String.self, forKey: .worktreesDirectory)
+        addProjectBaseDirectory = try container.decodeIfPresent(String.self, forKey: .addProjectBaseDirectory)
         previousWorktreesDirectories = try container.decodeIfPresent([String].self, forKey: .previousWorktreesDirectories)
         removeAgentCreditsOnMerge = try container.decodeIfPresent(Bool.self, forKey: .removeAgentCreditsOnMerge)
         sourceControlHosts = try container.decodeIfPresent([String: [String: JSONValue]].self, forKey: .sourceControlHosts)

apps/swift-ios/Features/Shared/FeatureModels.swift

@@ -51,6 +51,7 @@ public struct FeatureEnvironment: Identifiable, Sendable, Equatable, Hashable, C
     public var machineIcon: String? = nil
     public var supportsScratch: Bool? = nil
     public var newProjectsRoot: String? = nil
+    public var addProjectBaseDirectory: String? = nil
     public var canCustomizeIcon: Bool? = nil
     public var supportsWorktreesDirectory: Bool? = nil
     public var supportsServerBrowser: Bool? = nil
@@ -97,7 +98,7 @@ public struct FeatureEnvironment: Identifiable, Sendable, Equatable, Hashable, C
         case connectionState
         case connectionDetail
         case machineIcon
-        case supportsScratch, newProjectsRoot
+        case supportsScratch, newProjectsRoot, addProjectBaseDirectory
         case canCustomizeIcon, supportsWorktreesDirectory, supportsServerBrowser, permissions
     }
 
@@ -116,6 +117,7 @@ public struct FeatureEnvironment: Identifiable, Sendable, Equatable, Hashable, C
         connectionDetail = try container.decodeIfPresent(String.self, forKey: .connectionDetail)
         machineIcon = try container.decodeIfPresent(String.self, forKey: .machineIcon)
         newProjectsRoot = try container.decodeIfPresent(String.self, forKey: .newProjectsRoot)
+        addProjectBaseDirectory = try container.decodeIfPresent(String.self, forKey: .addProjectBaseDirectory)
         supportsScratch = try container.decodeIfPresent(Bool.self, forKey: .supportsScratch)
         canCustomizeIcon = try container.decodeIfPresent(Bool.self, forKey: .canCustomizeIcon)
         supportsWorktreesDirectory = try container.decodeIfPresent(Bool.self, forKey: .supportsWorktreesDirectory)

apps/swift-ios/Features/Workspace/AddProjectView.swift

@@ -49,6 +49,8 @@ public struct AddProjectView: View {
     @State private var isBrowsing = false
     @State private var browseError: String?
     @State private var browseRequestID: UUID?
+    /// The base directory seeded for an environment, kept until the user browses.
+    @State private var seededBaseDirectory: (environmentID: String, path: String)?
 
     @State private var discovery: SourceControlDiscoveryResult?
     @State private var isDiscovering = false
@@ -154,6 +156,9 @@ public struct AddProjectView: View {
             updateSuggestedDestination()
             errorMessage = nil
         }
+        .onChange(of: addProjectBaseDirectory) {
+            reseedLateBaseDirectory()
+        }
         .task(id: selectedEnvironmentID) {
             guard selectedEnvironmentID != nil else { return }
             resetEnvironmentState()
@@ -631,7 +636,9 @@ public struct AddProjectView: View {
     private func resetEnvironmentState() {
         if mode == .newProject && selectedEnvironment?.newProjectsRoot == nil { mode = .folder }
         publishesToGitHub = false
-        browsePath = "~/"
+        let baseDirectory = addProjectBaseDirectory
+        seededBaseDirectory = selectedEnvironmentID.map { ($0, baseDirectory) }
+        browsePath = baseDirectory
         browseResult = nil
         browseError = nil
         browseRequestID = nil
@@ -644,13 +651,45 @@ public struct AddProjectView: View {
         pendingManagedClone = nil
         cloneRequestID = nil
         didEditDestination = false
-        localPath = "~/"
+        localPath = baseDirectory
         destinationPath = repositoryInput.isEmpty
-            ? "~/"
-            : ProjectCreationPath.appending(repositoryName, to: "~/")
+            ? baseDirectory
+            : ProjectCreationPath.appending(repositoryName, to: baseDirectory)
         errorMessage = nil
     }
 
+    /// A connected environment can publish its shell before its config, so the
+    /// setting may arrive after seeding. Follow it only while the paths are untouched.
+    private func reseedLateBaseDirectory() {
+        let baseDirectory = addProjectBaseDirectory
+        guard selectedEnvironment != nil,
+              let seeded = seededBaseDirectory,
+              seeded.environmentID == selectedEnvironmentID,
+              seeded.path != baseDirectory,
+              localPath == seeded.path,
+              !didEditDestination,
+              !isSubmitting,
+              cloneRequestID == nil,
+              pendingCloneRegistration == nil,
+              pendingManagedClone == nil else {
+            return
+        }
+        seededBaseDirectory = (seeded.environmentID, baseDirectory)
+        browsePath = baseDirectory
+        localPath = baseDirectory
+        destinationPath = repositoryInput.isEmpty
+            ? baseDirectory
+            : ProjectCreationPath.appending(repositoryName, to: baseDirectory)
+        Task { await loadDirectory(baseDirectory, updateSelection: false) }
+    }
+
+    /// Matches web: a blank per-environment setting falls back to the home directory.
+    private var addProjectBaseDirectory: String {
+        let configured = selectedEnvironment?.addProjectBaseDirectory?
+            .trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        return configured.isEmpty ? "~/" : ProjectCreationPath.directoryBrowsePath(configured)
+    }
+
     private func loadDiscovery() async {
         guard let environmentID = selectedEnvironmentID,
               let projectClient else {
@@ -695,6 +734,7 @@ public struct AddProjectView: View {
         }
         let requestedPath = path.trimmingCharacters(in: .whitespacesAndNewlines)
         guard !requestedPath.isEmpty else { return }
+        if updateSelection { seededBaseDirectory = nil }
         let requestID = UUID()
         browseRequestID = requestID
         isBrowsing = true
@@ -859,7 +899,11 @@ public struct AddProjectView: View {
 
         errorMessage = nil
         isSubmitting = true
-        defer { isSubmitting = false }
+        defer {
+            isSubmitting = false
+            // The base directory may have arrived while this lookup blocked reseeding.
+            reseedLateBaseDirectory()
+        }
         do {
             let result = try await projectClient.lookupProjectRepository(
                 environmentID: environment.id,