fix(keyboard): synchronize adaptive field actions

Enable the correct host action immediately after keyboard edits and advance the shared build number to 75.

OSGKeyboardExt/Services/AIKeyboardCoordinator.swift

@@ -186,9 +186,8 @@ final class AIKeyboardCoordinator {
         requestInsertionFingerprint = nil
     }
 
-    func sendCurrentFieldAction() {
-        guard state.assistantSendAvailable else { return }
-        state.assistantSendAvailable = false
+    func performCurrentFieldAction() {
+        guard state.assistantActionAvailable else { return }
         if state.aiSession.canSend {
             state.aiSession.markAnswerSent()
         }

OSGKeyboardExt/Services/KeyboardTextInserter.swift

@@ -187,7 +187,6 @@ final class KeyboardTextInserter {
         lastInsertedText = nil
         state.undoAvailable = false
         state.editAvailable = false
-        state.assistantSendAvailable = false
         EditableInputReferenceStore.clear()
         OSGLog.keyboardExt.info("undo length=\(text.count, privacy: .public)")
     }
@@ -532,7 +531,6 @@ final class KeyboardTextInserter {
             )
         )
         state.editAvailable = true
-        state.assistantSendAvailable = state.returnKeyRole.usesActionFill
         state.assistantInsertionSucceeded = true
         successPulseTask?.cancel()
         successPulseTask = Task { @MainActor [weak state] in
@@ -556,7 +554,6 @@ final class KeyboardTextInserter {
         lastInsertedText = nil
         state.undoAvailable = false
         state.editAvailable = false
-        state.assistantSendAvailable = false
         EditableInputReferenceStore.clear()
     }
 }