fix(ipad): ship iPad P0 layout/globe fixes, edit-last-input, drop clipboard commands

Adapt typing/voice surfaces for iPad width and height, add the system globe
key and last-input editing flow, harden host-only Rime deployment, and remove
clipboard voice commands. Bump build to 61.

OSGKeyboardShared/Models/SpeechHistoryEntry.swift

@@ -9,6 +9,10 @@ public struct SpeechHistoryEntry: Codable, Identifiable, Equatable, Sendable {
     public let id: UUID
     public let text: String
     public let createdAt: Date
+    /// Last content mutation. Legacy rows default to `createdAt`.
+    public let modifiedAt: Date
+    /// Monotonic per-entry revision used to merge edits across devices.
+    public let revision: Int64
     /// iOS Flow engine mode; nil on macOS captures.
     public let engineMode: String?
 
@@ -16,14 +20,28 @@ public struct SpeechHistoryEntry: Codable, Identifiable, Equatable, Sendable {
         id: UUID = UUID(),
         text: String,
         createdAt: Date = Date(),
+        modifiedAt: Date? = nil,
+        revision: Int64 = 0,
         engineMode: String? = nil
     ) {
         self.id = id
         self.text = text
         self.createdAt = createdAt
+        self.modifiedAt = modifiedAt ?? createdAt
+        self.revision = revision
         self.engineMode = engineMode
     }
 
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        id = try container.decode(UUID.self, forKey: .id)
+        text = try container.decode(String.self, forKey: .text)
+        createdAt = try container.decode(Date.self, forKey: .createdAt)
+        modifiedAt = try container.decodeIfPresent(Date.self, forKey: .modifiedAt) ?? createdAt
+        revision = try container.decodeIfPresent(Int64.self, forKey: .revision) ?? 0
+        engineMode = try container.decodeIfPresent(String.self, forKey: .engineMode)
+    }
+
     /// First-line preview for compact list rows (macOS history sidebar).
     public var previewTitle: String {
         let firstLine = text.split(separator: "\n").first.map(String.init) ?? text