chore: normalize line endings to LF, add .gitattributes

- Add .gitattributes with text=auto eol=lf for all text files
- Renormalize all files in index to LF line endings
- Fixes massive whitespace-only diffs between main and feature branch

tests/plugins/fake_plugin/__init__.py

@@ -1,92 +1,92 @@
-"""Fake plugin for testing the plugin loader.
-
-This is a minimal valid plugin that satisfies the Plugin API contract.
-It does NOT perform any real TTS synthesis.
-"""
-
-from __future__ import annotations
-
-from pathlib import Path
-from typing import Any
-
-from abogen.tts_plugin.engine import Engine, EngineSession
-from abogen.tts_plugin.errors import EngineError
-from abogen.tts_plugin.host_context import HostContext
-from abogen.tts_plugin.manifest import (
-    AudioFormatManifest,
-    EngineManifest,
-    PluginManifest,
-    VoiceSourceManifest,
-)
-from abogen.tts_plugin.types import (
-    AudioFormat,
-    Duration,
-    EngineConfig,
-    ParameterValues,
-    SynthesisRequest,
-    SynthesizedAudio,
-)
-
-
-class FakeSession:
-    """Minimal EngineSession implementation for testing."""
-
-    def __init__(self) -> None:
-        self._disposed = False
-
-    def synthesize(self, request: SynthesisRequest) -> SynthesizedAudio:
-        if self._disposed:
-            raise EngineError("Session disposed")
-        return SynthesizedAudio(
-            data=b"\x00" * 100,
-            format=AudioFormat(mime="audio/wav", extension="wav"),
-            duration=Duration(seconds=1.0),
-        )
-
-    def dispose(self) -> None:
-        self._disposed = True
-
-
-class FakeEngine:
-    """Minimal Engine implementation for testing."""
-
-    def __init__(self) -> None:
-        self._disposed = False
-
-    def createSession(self) -> EngineSession:
-        if self._disposed:
-            raise EngineError("Engine disposed")
-        return FakeSession()
-
-    def dispose(self) -> None:
-        self._disposed = True
-
-
-PLUGIN_MANIFEST = PluginManifest(
-    id="fake_plugin",
-    name="Fake Plugin",
-    version="1.0.0",
-    api_version="1.0",
-    description="A fake plugin for testing",
-    author="Test Author",
-    capabilities=(),
-    engine=EngineManifest(
-        voiceSources=(
-            VoiceSourceManifest(id="builtin", name="Builtin", type="list"),
-        ),
-        audioFormats=(
-            AudioFormatManifest(mime="audio/wav", extension="wav"),
-        ),
-    ),
-)
-
-MODEL_REQUIREMENTS: list[Any] = []
-
-
-def create_engine(
-    context: HostContext,
-    model_path: Path | None,
-    config: EngineConfig,
-) -> Engine:
-    """Create a fake engine instance."""
-    return FakeEngine()
+"""Fake plugin for testing the plugin loader.
+
+This is a minimal valid plugin that satisfies the Plugin API contract.
+It does NOT perform any real TTS synthesis.
+"""
+
+from __future__ import annotations
+
+from pathlib import Path
+from typing import Any
+
+from abogen.tts_plugin.engine import Engine, EngineSession
+from abogen.tts_plugin.errors import EngineError
+from abogen.tts_plugin.host_context import HostContext
+from abogen.tts_plugin.manifest import (
+    AudioFormatManifest,
+    EngineManifest,
+    PluginManifest,
+    VoiceSourceManifest,
+)
+from abogen.tts_plugin.types import (
+    AudioFormat,
+    Duration,
+    EngineConfig,
+    ParameterValues,
+    SynthesisRequest,
+    SynthesizedAudio,
+)
+
+
+class FakeSession:
+    """Minimal EngineSession implementation for testing."""
+
+    def __init__(self) -> None:
+        self._disposed = False
+
+    def synthesize(self, request: SynthesisRequest) -> SynthesizedAudio:
+        if self._disposed:
+            raise EngineError("Session disposed")
+        return SynthesizedAudio(
+            data=b"\x00" * 100,
+            format=AudioFormat(mime="audio/wav", extension="wav"),
+            duration=Duration(seconds=1.0),
+        )
+
+    def dispose(self) -> None:
+        self._disposed = True
+
+
+class FakeEngine:
+    """Minimal Engine implementation for testing."""
+
+    def __init__(self) -> None:
+        self._disposed = False
+
+    def createSession(self) -> EngineSession:
+        if self._disposed:
+            raise EngineError("Engine disposed")
+        return FakeSession()
+
+    def dispose(self) -> None:
+        self._disposed = True
+
+
+PLUGIN_MANIFEST = PluginManifest(
+    id="fake_plugin",
+    name="Fake Plugin",
+    version="1.0.0",
+    api_version="1.0",
+    description="A fake plugin for testing",
+    author="Test Author",
+    capabilities=(),
+    engine=EngineManifest(
+        voiceSources=(
+            VoiceSourceManifest(id="builtin", name="Builtin", type="list"),
+        ),
+        audioFormats=(
+            AudioFormatManifest(mime="audio/wav", extension="wav"),
+        ),
+    ),
+)
+
+MODEL_REQUIREMENTS: list[Any] = []
+
+
+def create_engine(
+    context: HostContext,
+    model_path: Path | None,
+    config: EngineConfig,
+) -> Engine:
+    """Create a fake engine instance."""
+    return FakeEngine()