refactor: convert inserter module to package with wayland backend

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

whisper_local/inserter/_wayland.py

@@ -0,0 +1,48 @@
+"""Text-Einfügung via wl-copy + ydotool Ctrl+V (Linux/Wayland)."""
+
+import asyncio
+import logging
+
+logger = logging.getLogger(__name__)
+
+PASTE_DELAY = 0.2
+
+
+class WaylandInserter:
+    async def _run_capture(self, *cmd: str) -> bytes:
+        """Führt einen Befehl aus und gibt stdout zurück."""
+        proc = await asyncio.create_subprocess_exec(
+            *cmd,
+            stdout=asyncio.subprocess.PIPE,
+            stderr=asyncio.subprocess.PIPE,
+        )
+        stdout, stderr = await proc.communicate()
+        if proc.returncode != 0:
+            logger.warning("Befehl fehlgeschlagen: %s (stderr: %s)", cmd, stderr.decode())
+        return stdout
+
+    async def _run_fire(self, *cmd: str) -> None:
+        """Führt einen Befehl aus ohne auf Pipes zu warten."""
+        proc = await asyncio.create_subprocess_exec(
+            *cmd,
+            stdout=asyncio.subprocess.DEVNULL,
+            stderr=asyncio.subprocess.DEVNULL,
+        )
+        await proc.wait()
+
+    async def insert(self, text: str) -> None:
+        """Fügt Text ins aktive Fenster ein via Clipboard + Ctrl+V."""
+        if not text:
+            return
+
+        old_clipboard = await self._run_capture("wl-paste", "--no-newline")
+
+        try:
+            await self._run_fire("wl-copy", "--", text)
+            await asyncio.sleep(0.05)
+            await self._run_fire("ydotool", "key", "29:1", "47:1", "47:0", "29:0")
+            await asyncio.sleep(PASTE_DELAY)
+        finally:
+            await self._run_fire("wl-copy", "--", old_clipboard.decode())
+
+        logger.info("Text eingefügt (%d Zeichen)", len(text))