[长期记忆]：完成会话记忆管理骨架，包含SQLite结构、FAISS索引校验和敏感保存策略测试

src/owner_voice_pet/__init__.py

@@ -3,6 +3,17 @@
 from .config import AppConfig
 from .assistant_pipeline import TurnController, VoiceAssistantPipeline
 from .audio_preprocess import NoopAudioPreprocessor, SherpaOnnxDenoiserPreprocessor
+from .agent_memory import (
+    AgentConversationManager,
+    DisabledMemoryManager,
+    FaissIndexManifest,
+    FakeMemoryManager,
+    MemoryManagementPlan,
+    MemoryRecord,
+    MemoryRecordInput,
+    MemoryWritePolicy,
+    SQLiteMemoryManager,
+)
 from .events import PipelineEvent, PipelineEventBus
 from .full_duplex_control import (
     CancellationGraph,
@@ -66,6 +77,15 @@ __all__ = [
     "VoiceAssistantPipeline",
     "NoopAudioPreprocessor",
     "SherpaOnnxDenoiserPreprocessor",
+    "AgentConversationManager",
+    "DisabledMemoryManager",
+    "FaissIndexManifest",
+    "FakeMemoryManager",
+    "MemoryManagementPlan",
+    "MemoryRecord",
+    "MemoryRecordInput",
+    "MemoryWritePolicy",
+    "SQLiteMemoryManager",
     "PipelineEvent",
     "PipelineEventBus",
     "CancellationGraph",