Add Windows QA evidence verifier

Ariver

2026-06-30 fdc5c43b2cf8ebc3d67099cfba9936c838281561

 privatevoice.src/internal/input/paste_darwin.go

@@ -99,6 +99,7 @@
   "sync"
   "time"
   "unsafe"
   "voicesnap/internal/logger"
)

const (
@@ -129,15 +130,30 @@
}

func (p *darwinPaster) Paste(text string, keepClipboard bool) error {
   pasteStart := time.Now()
   textRunes := len([]rune(text))

   permissionStart := time.Now()
   if C.ensureInputPermission() == 0 {
      logger.Info(
         "PERF paste_clipboard_done result=permission_error permission_ms=%d text_runes=%d keep_clipboard=%t total_ms=%d",
         time.Since(permissionStart).Milliseconds(),
         textRunes,
         keepClipboard,
         time.Since(pasteStart).Milliseconds(),
      )
      return fmt.Errorf("accessibility permission is required to paste")
   }
   permissionElapsed := time.Since(permissionStart)

   state := &globalDarwinPasteState
   stateLockStart := time.Now()
   state.mu.Lock()
   stateLockElapsed := time.Since(stateLockStart)
   state.generation++
   generation := state.generation

   snapshotStart := time.Now()
   originalClipboard := currentDarwinClipboardSnapshot()
   if !keepClipboard {
      originalClipboard = resolveDarwinRestoreTarget(
@@ -147,21 +163,53 @@
         state.restoreTo,
      )
   }
   snapshotElapsed := time.Since(snapshotStart)

   cstr := C.CString(text)
   defer C.free(unsafe.Pointer(cstr))
   setClipboardStart := time.Now()
   C.setClipboardText(cstr)
   setClipboardElapsed := time.Since(setClipboardStart)

   verifyStart := time.Now()
   if !waitForDarwinClipboardText(text, darwinClipboardVerifyTimeout) {
      verifyElapsed := time.Since(verifyStart)
      state.pendingRestore = false
      state.mu.Unlock()
      logger.Info(
         "PERF paste_clipboard_done result=verify_failed permission_ms=%d state_lock_ms=%d snapshot_ms=%d set_ms=%d verify_ms=%d text_runes=%d keep_clipboard=%t total_ms=%d",
         permissionElapsed.Milliseconds(),
         stateLockElapsed.Milliseconds(),
         snapshotElapsed.Milliseconds(),
         setClipboardElapsed.Milliseconds(),
         verifyElapsed.Milliseconds(),
         textRunes,
         keepClipboard,
         time.Since(pasteStart).Milliseconds(),
      )
      return fmt.Errorf("clipboard verification failed before paste")
   }
   verifyElapsed := time.Since(verifyStart)

   cmdVStart := time.Now()
   C.simulateCmdV()
   cmdVElapsed := time.Since(cmdVStart)

   if keepClipboard {
      state.pendingRestore = false
      state.mu.Unlock()
      logger.Info(
         "PERF paste_clipboard_done result=success permission_ms=%d state_lock_ms=%d snapshot_ms=%d set_ms=%d verify_ms=%d cmdv_ms=%d text_runes=%d keep_clipboard=%t total_ms=%d",
         permissionElapsed.Milliseconds(),
         stateLockElapsed.Milliseconds(),
         snapshotElapsed.Milliseconds(),
         setClipboardElapsed.Milliseconds(),
         verifyElapsed.Milliseconds(),
         cmdVElapsed.Milliseconds(),
         textRunes,
         keepClipboard,
         time.Since(pasteStart).Milliseconds(),
      )
      return nil
   }

@@ -171,6 +219,18 @@
   state.mu.Unlock()

   go restoreDarwinClipboardAfterPaste(generation, text, originalClipboard)
   logger.Info(
      "PERF paste_clipboard_done result=success permission_ms=%d state_lock_ms=%d snapshot_ms=%d set_ms=%d verify_ms=%d cmdv_ms=%d text_runes=%d keep_clipboard=%t total_ms=%d",
      permissionElapsed.Milliseconds(),
      stateLockElapsed.Milliseconds(),
      snapshotElapsed.Milliseconds(),
      setClipboardElapsed.Milliseconds(),
      verifyElapsed.Milliseconds(),
      cmdVElapsed.Milliseconds(),
      textRunes,
      keepClipboard,
      time.Since(pasteStart).Milliseconds(),
   )
   return nil
}