feat(perception): backend - mock event store, perception service, /perception API routes

backend/app/shared/bootstrap.py

@@ -23,6 +23,8 @@ from app.infrastructure.vectorstore.bm25_retriever import BM25Retriever
 from app.infrastructure.vectorstore.dense_retriever import DenseRetriever
 from app.infrastructure.vectorstore.milvus_vector_index import MilvusVectorIndex
 from app.infrastructure.vectorstore.cross_encoder_reranker import OpenAICompatibleReranker
+from app.infrastructure.perception.mock_event_store import MockEventStore
+from app.application.perception.services import PerceptionService
 # Keep shared wiring centralized so dependency construction remains consistent.
 
 
@@ -151,3 +153,12 @@ def get_agent_conversation_service() -> AgentConversationService:
         answer_generator=OpenAICompatibleAnswerGenerator(),
         conversation_store=get_conversation_store(),
     )
+
+
+@lru_cache
+def get_perception_service() -> PerceptionService:
+    """Return perception service for regulatory intelligence."""
+    return PerceptionService(
+        event_store=MockEventStore(),
+        retrieval_service=get_retrieval_service(),
+    )