build(deps): swap rabbitmq client for postgres/minio/qdrant async deps

Why:
- dependencies now match inline ingestion (ADR-0017): drops aio-pika, adds anyio, asyncpg, minio, qdrant-client, structlog; drops the rabbitmq pytest marker.

pyproject.toml

@@ -5,12 +5,16 @@ description = "Add your description here"
 readme = "README.md"
 requires-python = ">=3.13"
 dependencies = [
-    "aio-pika>=9.5.0",
     "alembic>=1.19.1",
+    "anyio>=4.11.0",
+    "asyncpg>=0.31.0",
     "fastapi[standard]==0.141.1",
     "langgraph>=1.2.10",
+    "minio>=7.2.20",
     "pydantic-settings>=2.15.0",
+    "qdrant-client>=1.19.0",
     "sqlalchemy>=2.0.51",
+    "structlog>=26.1.0",
 ]
 
 [dependency-groups]
@@ -36,7 +40,6 @@ markers = [
     "e2e: end-to-end vertical-slice tests",
     "postgres: integration test using Postgres",
     "minio: integration test using MinIO",
-    "rabbitmq: integration test using RabbitMQ",
     "qdrant: integration test using Qdrant",
     "slow: test exceeds normal integration feedback time",
     "live_provider: opt-in test that calls an external provider",