Wire native OpenVR voice-typing POC with safe review and grip controls

src/text_input.hpp

@@ -0,0 +1,19 @@
+#pragma once
+#include <memory>
+#include <string>
+namespace frameyap {
+// Short-lived, exclusive IME lease acquired only for an explicit user action.
+// Construction checks protocol readiness without delivering input.
+class TextInput {
+public:
+    explicit TextInput(const std::string& socket);
+    ~TextInput();
+    TextInput(const TextInput&) = delete;
+    TextInput& operator=(const TextInput&) = delete;
+    void text(const std::string& literal);
+    void enter();
+private:
+    struct Impl;
+    std::unique_ptr<Impl> impl_;
+};
+}