diff --git a/src/julee/api/dependencies.py b/src/julee/api/dependencies.py
index 632680bf..62a217b3 100644
--- a/src/julee/api/dependencies.py
+++ b/src/julee/api/dependencies.py
@@ -24,16 +24,16 @@
 from temporalio.client import Client
 from temporalio.contrib.pydantic import pydantic_data_converter
 
-from julee.domain.repositories.assembly_specification import (
+from julee.contrib.ceap.domain.repositories.assembly_specification import (
     AssemblySpecificationRepository,
 )
-from julee.domain.repositories.document import (
+from julee.contrib.ceap.domain.repositories.document import (
     DocumentRepository,
 )
-from julee.domain.repositories.knowledge_service_config import (
+from julee.contrib.ceap.domain.repositories.knowledge_service_config import (
     KnowledgeServiceConfigRepository,
 )
-from julee.domain.repositories.knowledge_service_query import (
+from julee.contrib.ceap.domain.repositories.knowledge_service_query import (
     KnowledgeServiceQueryRepository,
 )
 from julee.repositories.minio.assembly_specification import (
@@ -224,7 +224,7 @@ async def get_system_initialization_service(
         from julee.api.services.system_initialization import (
             SystemInitializationService,
         )
-        from julee.domain.use_cases.initialize_system_data import (
+        from julee.contrib.ceap.use_cases.initialize_system_data import (
             InitializeSystemDataUseCase,
         )
 
diff --git a/src/julee/api/requests.py b/src/julee/api/requests.py
index 0bb3bbab..5ddd439f 100644
--- a/src/julee/api/requests.py
+++ b/src/julee/api/requests.py
@@ -12,7 +12,7 @@
 
 from pydantic import BaseModel, Field, ValidationInfo, field_validator
 
-from julee.domain.models import (
+from julee.contrib.ceap.domain.models import (
     AssemblySpecification,
     AssemblySpecificationStatus,
     KnowledgeServiceQuery,
diff --git a/src/julee/api/routers/assembly_specifications.py b/src/julee/api/routers/assembly_specifications.py
index f237618c..a9fff71c 100644
--- a/src/julee/api/routers/assembly_specifications.py
+++ b/src/julee/api/routers/assembly_specifications.py
@@ -22,8 +22,8 @@
     get_assembly_specification_repository,
 )
 from julee.api.requests import CreateAssemblySpecificationRequest
-from julee.domain.models import AssemblySpecification
-from julee.domain.repositories.assembly_specification import (
+from julee.contrib.ceap.domain.models import AssemblySpecification
+from julee.contrib.ceap.domain.repositories.assembly_specification import (
     AssemblySpecificationRepository,
 )
 
diff --git a/src/julee/api/routers/documents.py b/src/julee/api/routers/documents.py
index ee241142..1d19a8e8 100644
--- a/src/julee/api/routers/documents.py
+++ b/src/julee/api/routers/documents.py
@@ -20,8 +20,8 @@
 from fastapi_pagination import Page, paginate
 
 from julee.api.dependencies import get_document_repository
-from julee.domain.models.document import Document
-from julee.domain.repositories.document import DocumentRepository
+from julee.contrib.ceap.domain.models.document import Document
+from julee.contrib.ceap.domain.repositories.document import DocumentRepository
 
 logger = logging.getLogger(__name__)
 
diff --git a/src/julee/api/routers/knowledge_service_configs.py b/src/julee/api/routers/knowledge_service_configs.py
index df489064..d1107705 100644
--- a/src/julee/api/routers/knowledge_service_configs.py
+++ b/src/julee/api/routers/knowledge_service_configs.py
@@ -20,10 +20,10 @@
 from julee.api.dependencies import (
     get_knowledge_service_config_repository,
 )
-from julee.domain.models.knowledge_service_config import (
+from julee.contrib.ceap.domain.models.knowledge_service_config import (
     KnowledgeServiceConfig,
 )
-from julee.domain.repositories.knowledge_service_config import (
+from julee.contrib.ceap.domain.repositories.knowledge_service_config import (
     KnowledgeServiceConfigRepository,
 )
 
diff --git a/src/julee/api/routers/knowledge_service_queries.py b/src/julee/api/routers/knowledge_service_queries.py
index 9d69adbe..101da832 100644
--- a/src/julee/api/routers/knowledge_service_queries.py
+++ b/src/julee/api/routers/knowledge_service_queries.py
@@ -23,8 +23,8 @@
     get_knowledge_service_query_repository,
 )
 from julee.api.requests import CreateKnowledgeServiceQueryRequest
-from julee.domain.models import KnowledgeServiceQuery
-from julee.domain.repositories.knowledge_service_query import (
+from julee.contrib.ceap.domain.models import KnowledgeServiceQuery
+from julee.contrib.ceap.domain.repositories.knowledge_service_query import (
     KnowledgeServiceQueryRepository,
 )
 
diff --git a/src/julee/api/routers/workflows.py b/src/julee/api/routers/workflows.py
index 7c5dd5ab..2c139c2d 100644
--- a/src/julee/api/routers/workflows.py
+++ b/src/julee/api/routers/workflows.py
@@ -20,7 +20,7 @@
 from temporalio.client import Client
 
 from julee.api.dependencies import get_temporal_client
-from julee.workflows.extract_assemble import (
+from julee.contrib.ceap.apps.worker.extract_assemble import (
     EXTRACT_ASSEMBLE_RETRY_POLICY,
     ExtractAssembleWorkflow,
 )
diff --git a/src/julee/api/services/system_initialization.py b/src/julee/api/services/system_initialization.py
index 3b0c8c17..db381c60 100644
--- a/src/julee/api/services/system_initialization.py
+++ b/src/julee/api/services/system_initialization.py
@@ -13,7 +13,7 @@
 import logging
 from typing import Any
 
-from julee.domain.use_cases.initialize_system_data import (
+from julee.contrib.ceap.use_cases.initialize_system_data import (
     InitializeSystemDataRequest,
     InitializeSystemDataUseCase,
 )
diff --git a/src/julee/api/tests/routers/test_assembly_specifications.py b/src/julee/api/tests/routers/test_assembly_specifications.py
index 524622fd..b8c8a6d4 100644
--- a/src/julee/api/tests/routers/test_assembly_specifications.py
+++ b/src/julee/api/tests/routers/test_assembly_specifications.py
@@ -17,7 +17,7 @@
     get_assembly_specification_repository,
 )
 from julee.api.routers.assembly_specifications import router
-from julee.domain.models import (
+from julee.contrib.ceap.domain.models import (
     AssemblySpecification,
     AssemblySpecificationStatus,
 )
diff --git a/src/julee/api/tests/routers/test_documents.py b/src/julee/api/tests/routers/test_documents.py
index 90c42ea0..79d69aa0 100644
--- a/src/julee/api/tests/routers/test_documents.py
+++ b/src/julee/api/tests/routers/test_documents.py
@@ -15,7 +15,7 @@
 
 from julee.api.dependencies import get_document_repository
 from julee.api.routers.documents import router
-from julee.domain.models.document import Document, DocumentStatus
+from julee.contrib.ceap.domain.models.document import Document, DocumentStatus
 from julee.repositories.memory import MemoryDocumentRepository
 
 pytestmark = pytest.mark.unit
diff --git a/src/julee/api/tests/routers/test_knowledge_service_configs.py b/src/julee/api/tests/routers/test_knowledge_service_configs.py
index dbbcfa5c..ad4586c4 100644
--- a/src/julee/api/tests/routers/test_knowledge_service_configs.py
+++ b/src/julee/api/tests/routers/test_knowledge_service_configs.py
@@ -17,7 +17,7 @@
 from julee.api.dependencies import (
     get_knowledge_service_config_repository,
 )
-from julee.domain.models.knowledge_service_config import (
+from julee.contrib.ceap.domain.models.knowledge_service_config import (
     KnowledgeServiceConfig,
     ServiceApi,
 )
diff --git a/src/julee/api/tests/routers/test_knowledge_service_queries.py b/src/julee/api/tests/routers/test_knowledge_service_queries.py
index f8827cdd..913df912 100644
--- a/src/julee/api/tests/routers/test_knowledge_service_queries.py
+++ b/src/julee/api/tests/routers/test_knowledge_service_queries.py
@@ -17,7 +17,7 @@
     get_knowledge_service_query_repository,
 )
 from julee.api.routers.knowledge_service_queries import router
-from julee.domain.models import KnowledgeServiceQuery
+from julee.contrib.ceap.domain.models import KnowledgeServiceQuery
 from julee.repositories.memory import (
     MemoryKnowledgeServiceQueryRepository,
 )
diff --git a/src/julee/api/tests/test_app.py b/src/julee/api/tests/test_app.py
index 27bba4f9..88040e26 100644
--- a/src/julee/api/tests/test_app.py
+++ b/src/julee/api/tests/test_app.py
@@ -17,7 +17,7 @@
     get_knowledge_service_query_repository,
 )
 from julee.api.responses import ServiceStatus
-from julee.domain.models import KnowledgeServiceQuery
+from julee.contrib.ceap.domain.models import KnowledgeServiceQuery
 from julee.repositories.memory import (
     MemoryKnowledgeServiceQueryRepository,
 )
diff --git a/src/julee/api/tests/test_requests.py b/src/julee/api/tests/test_requests.py
index d608404c..302fb94f 100644
--- a/src/julee/api/tests/test_requests.py
+++ b/src/julee/api/tests/test_requests.py
@@ -15,7 +15,7 @@
     CreateAssemblySpecificationRequest,
     CreateKnowledgeServiceQueryRequest,
 )
-from julee.domain.models import (
+from julee.contrib.ceap.domain.models import (
     AssemblySpecification,
     AssemblySpecificationStatus,
     KnowledgeServiceQuery,
diff --git a/src/julee/contrib/ceap/__init__.py b/src/julee/contrib/ceap/__init__.py
new file mode 100644
index 00000000..e708cd46
--- /dev/null
+++ b/src/julee/contrib/ceap/__init__.py
@@ -0,0 +1,6 @@
+"""
+CEAP (Capture, Extract, Assemble, Publish) contrib package.
+
+This package contains the domain models, repositories, use cases, and
+workflows for the CEAP pipeline, following Clean Architecture principles.
+"""
diff --git a/src/julee/contrib/ceap/apps/__init__.py b/src/julee/contrib/ceap/apps/__init__.py
new file mode 100644
index 00000000..25ee2b90
--- /dev/null
+++ b/src/julee/contrib/ceap/apps/__init__.py
@@ -0,0 +1,3 @@
+"""
+Application entry points for the CEAP contrib package.
+"""
diff --git a/src/julee/contrib/ceap/apps/worker/__init__.py b/src/julee/contrib/ceap/apps/worker/__init__.py
new file mode 100644
index 00000000..6f78a174
--- /dev/null
+++ b/src/julee/contrib/ceap/apps/worker/__init__.py
@@ -0,0 +1,22 @@
+"""
+Temporal workflow definitions for the CEAP pipeline.
+
+This package contains Temporal workflow definitions that orchestrate
+CEAP use cases with durability guarantees, retry logic, and state management.
+"""
+
+from .extract_assemble import (
+    EXTRACT_ASSEMBLE_RETRY_POLICY,
+    ExtractAssembleWorkflow,
+)
+from .validate_document import (
+    VALIDATE_DOCUMENT_RETRY_POLICY,
+    ValidateDocumentWorkflow,
+)
+
+__all__ = [
+    "ExtractAssembleWorkflow",
+    "EXTRACT_ASSEMBLE_RETRY_POLICY",
+    "ValidateDocumentWorkflow",
+    "VALIDATE_DOCUMENT_RETRY_POLICY",
+]
diff --git a/src/julee/workflows/extract_assemble.py b/src/julee/contrib/ceap/apps/worker/extract_assemble.py
similarity index 98%
rename from src/julee/workflows/extract_assemble.py
rename to src/julee/contrib/ceap/apps/worker/extract_assemble.py
index eade003b..f266334c 100644
--- a/src/julee/workflows/extract_assemble.py
+++ b/src/julee/contrib/ceap/apps/worker/extract_assemble.py
@@ -12,8 +12,8 @@
 from temporalio import workflow
 from temporalio.common import RetryPolicy
 
-from julee.domain.models.assembly import Assembly
-from julee.domain.use_cases import ExtractAssembleDataUseCase
+from julee.contrib.ceap.domain.models.assembly import Assembly
+from julee.contrib.ceap.use_cases import ExtractAssembleDataUseCase
 from julee.repositories.temporal.proxies import (
     WorkflowAssemblyRepositoryProxy,
     WorkflowAssemblySpecificationRepositoryProxy,
diff --git a/src/julee/workflows/validate_document.py b/src/julee/contrib/ceap/apps/worker/validate_document.py
similarity index 98%
rename from src/julee/workflows/validate_document.py
rename to src/julee/contrib/ceap/apps/worker/validate_document.py
index 0b850e0e..0abd0ecc 100644
--- a/src/julee/workflows/validate_document.py
+++ b/src/julee/contrib/ceap/apps/worker/validate_document.py
@@ -12,8 +12,8 @@
 from temporalio import workflow
 from temporalio.common import RetryPolicy
 
-from julee.domain.models.policy import DocumentPolicyValidation
-from julee.domain.use_cases import ValidateDocumentUseCase
+from julee.contrib.ceap.domain.models.policy import DocumentPolicyValidation
+from julee.contrib.ceap.use_cases import ValidateDocumentUseCase
 from julee.repositories.temporal.proxies import (
     WorkflowDocumentRepositoryProxy,
     WorkflowKnowledgeServiceConfigRepositoryProxy,
diff --git a/src/julee/contrib/ceap/domain/__init__.py b/src/julee/contrib/ceap/domain/__init__.py
new file mode 100644
index 00000000..3ca78d46
--- /dev/null
+++ b/src/julee/contrib/ceap/domain/__init__.py
@@ -0,0 +1,3 @@
+"""
+CEAP domain package.
+"""
diff --git a/src/julee/contrib/ceap/domain/models/__init__.py b/src/julee/contrib/ceap/domain/models/__init__.py
new file mode 100644
index 00000000..f05b356b
--- /dev/null
+++ b/src/julee/contrib/ceap/domain/models/__init__.py
@@ -0,0 +1,44 @@
+"""
+Domain models for the CEAP (Capture, Extract, Assemble, Publish) pipeline.
+
+Re-exports commonly used models for convenient importing:
+    from julee.contrib.ceap.domain.models import Document, Assembly, Policy
+"""
+
+# Document models
+# Assembly models
+from .assembly import Assembly, AssemblyStatus
+from .assembly_specification import (
+    AssemblySpecification,
+    AssemblySpecificationStatus,
+    KnowledgeServiceQuery,
+)
+
+# Custom field types
+from .custom_fields.content_stream import ContentStream
+from .document import Document, DocumentStatus
+
+# Configuration models
+from .knowledge_service_config import KnowledgeServiceConfig
+
+# Policy models
+from .policy import DocumentPolicyValidation, Policy, PolicyStatus
+
+__all__ = [
+    # Document models
+    "Document",
+    "DocumentStatus",
+    "ContentStream",
+    # Assembly models
+    "Assembly",
+    "AssemblyStatus",
+    "AssemblySpecification",
+    "AssemblySpecificationStatus",
+    "KnowledgeServiceQuery",
+    # Configuration models
+    "KnowledgeServiceConfig",
+    # Policy models
+    "Policy",
+    "PolicyStatus",
+    "DocumentPolicyValidation",
+]
diff --git a/src/julee/domain/models/assembly/__init__.py b/src/julee/contrib/ceap/domain/models/assembly/__init__.py
similarity index 100%
rename from src/julee/domain/models/assembly/__init__.py
rename to src/julee/contrib/ceap/domain/models/assembly/__init__.py
diff --git a/src/julee/domain/models/assembly/assembly.py b/src/julee/contrib/ceap/domain/models/assembly/assembly.py
similarity index 100%
rename from src/julee/domain/models/assembly/assembly.py
rename to src/julee/contrib/ceap/domain/models/assembly/assembly.py
diff --git a/src/julee/domain/models/assembly/tests/__init__.py b/src/julee/contrib/ceap/domain/models/assembly/tests/__init__.py
similarity index 100%
rename from src/julee/domain/models/assembly/tests/__init__.py
rename to src/julee/contrib/ceap/domain/models/assembly/tests/__init__.py
diff --git a/src/julee/domain/models/assembly/tests/factories.py b/src/julee/contrib/ceap/domain/models/assembly/tests/factories.py
similarity index 94%
rename from src/julee/domain/models/assembly/tests/factories.py
rename to src/julee/contrib/ceap/domain/models/assembly/tests/factories.py
index 6ba77d0a..b6300b9d 100644
--- a/src/julee/domain/models/assembly/tests/factories.py
+++ b/src/julee/contrib/ceap/domain/models/assembly/tests/factories.py
@@ -11,7 +11,7 @@
 from factory.declarations import LazyFunction
 from factory.faker import Faker
 
-from julee.domain.models.assembly import (
+from julee.contrib.ceap.domain.models.assembly import (
     Assembly,
     AssemblyStatus,
 )
diff --git a/src/julee/domain/models/assembly/tests/test_assembly.py b/src/julee/contrib/ceap/domain/models/assembly/tests/test_assembly.py
similarity index 99%
rename from src/julee/domain/models/assembly/tests/test_assembly.py
rename to src/julee/contrib/ceap/domain/models/assembly/tests/test_assembly.py
index 63e2b012..7d17caf8 100644
--- a/src/julee/domain/models/assembly/tests/test_assembly.py
+++ b/src/julee/contrib/ceap/domain/models/assembly/tests/test_assembly.py
@@ -25,7 +25,7 @@
 import pytest
 from pydantic import ValidationError
 
-from julee.domain.models.assembly import Assembly, AssemblyStatus
+from julee.contrib.ceap.domain.models.assembly import Assembly, AssemblyStatus
 
 from .factories import AssemblyFactory
 
diff --git a/src/julee/domain/models/assembly_specification/__init__.py b/src/julee/contrib/ceap/domain/models/assembly_specification/__init__.py
similarity index 100%
rename from src/julee/domain/models/assembly_specification/__init__.py
rename to src/julee/contrib/ceap/domain/models/assembly_specification/__init__.py
diff --git a/src/julee/domain/models/assembly_specification/assembly_specification.py b/src/julee/contrib/ceap/domain/models/assembly_specification/assembly_specification.py
similarity index 100%
rename from src/julee/domain/models/assembly_specification/assembly_specification.py
rename to src/julee/contrib/ceap/domain/models/assembly_specification/assembly_specification.py
diff --git a/src/julee/domain/models/assembly_specification/knowledge_service_query.py b/src/julee/contrib/ceap/domain/models/assembly_specification/knowledge_service_query.py
similarity index 100%
rename from src/julee/domain/models/assembly_specification/knowledge_service_query.py
rename to src/julee/contrib/ceap/domain/models/assembly_specification/knowledge_service_query.py
diff --git a/src/julee/domain/models/assembly_specification/tests/__init__.py b/src/julee/contrib/ceap/domain/models/assembly_specification/tests/__init__.py
similarity index 100%
rename from src/julee/domain/models/assembly_specification/tests/__init__.py
rename to src/julee/contrib/ceap/domain/models/assembly_specification/tests/__init__.py
diff --git a/src/julee/domain/models/assembly_specification/tests/factories.py b/src/julee/contrib/ceap/domain/models/assembly_specification/tests/factories.py
similarity index 97%
rename from src/julee/domain/models/assembly_specification/tests/factories.py
rename to src/julee/contrib/ceap/domain/models/assembly_specification/tests/factories.py
index 2c61e9a9..05e1fd1d 100644
--- a/src/julee/domain/models/assembly_specification/tests/factories.py
+++ b/src/julee/contrib/ceap/domain/models/assembly_specification/tests/factories.py
@@ -12,7 +12,7 @@
 from factory.declarations import LazyAttribute, LazyFunction
 from factory.faker import Faker
 
-from julee.domain.models.assembly_specification import (
+from julee.contrib.ceap.domain.models.assembly_specification import (
     AssemblySpecification,
     AssemblySpecificationStatus,
     KnowledgeServiceQuery,
diff --git a/src/julee/domain/models/assembly_specification/tests/test_assembly_specification.py b/src/julee/contrib/ceap/domain/models/assembly_specification/tests/test_assembly_specification.py
similarity index 99%
rename from src/julee/domain/models/assembly_specification/tests/test_assembly_specification.py
rename to src/julee/contrib/ceap/domain/models/assembly_specification/tests/test_assembly_specification.py
index 52fb1c65..b52dad1f 100644
--- a/src/julee/domain/models/assembly_specification/tests/test_assembly_specification.py
+++ b/src/julee/contrib/ceap/domain/models/assembly_specification/tests/test_assembly_specification.py
@@ -24,7 +24,7 @@
 import pytest
 from pydantic import ValidationError
 
-from julee.domain.models.assembly_specification import (
+from julee.contrib.ceap.domain.models.assembly_specification import (
     AssemblySpecification,
     AssemblySpecificationStatus,
 )
diff --git a/src/julee/domain/models/assembly_specification/tests/test_knowledge_service_query.py b/src/julee/contrib/ceap/domain/models/assembly_specification/tests/test_knowledge_service_query.py
similarity index 99%
rename from src/julee/domain/models/assembly_specification/tests/test_knowledge_service_query.py
rename to src/julee/contrib/ceap/domain/models/assembly_specification/tests/test_knowledge_service_query.py
index 3a7961fb..90674551 100644
--- a/src/julee/domain/models/assembly_specification/tests/test_knowledge_service_query.py
+++ b/src/julee/contrib/ceap/domain/models/assembly_specification/tests/test_knowledge_service_query.py
@@ -21,7 +21,7 @@
 import pytest
 from pydantic import ValidationError
 
-from julee.domain.models.assembly_specification import (
+from julee.contrib.ceap.domain.models.assembly_specification import (
     KnowledgeServiceQuery,
 )
 
diff --git a/src/julee/domain/models/custom_fields/__init__.py b/src/julee/contrib/ceap/domain/models/custom_fields/__init__.py
similarity index 100%
rename from src/julee/domain/models/custom_fields/__init__.py
rename to src/julee/contrib/ceap/domain/models/custom_fields/__init__.py
diff --git a/src/julee/domain/models/custom_fields/content_stream.py b/src/julee/contrib/ceap/domain/models/custom_fields/content_stream.py
similarity index 100%
rename from src/julee/domain/models/custom_fields/content_stream.py
rename to src/julee/contrib/ceap/domain/models/custom_fields/content_stream.py
diff --git a/src/julee/domain/models/custom_fields/tests/__init__.py b/src/julee/contrib/ceap/domain/models/custom_fields/tests/__init__.py
similarity index 100%
rename from src/julee/domain/models/custom_fields/tests/__init__.py
rename to src/julee/contrib/ceap/domain/models/custom_fields/tests/__init__.py
diff --git a/src/julee/domain/models/custom_fields/tests/test_custom_fields.py b/src/julee/contrib/ceap/domain/models/custom_fields/tests/test_custom_fields.py
similarity index 96%
rename from src/julee/domain/models/custom_fields/tests/test_custom_fields.py
rename to src/julee/contrib/ceap/domain/models/custom_fields/tests/test_custom_fields.py
index 041ef88a..ae8f60c1 100644
--- a/src/julee/domain/models/custom_fields/tests/test_custom_fields.py
+++ b/src/julee/contrib/ceap/domain/models/custom_fields/tests/test_custom_fields.py
@@ -17,7 +17,7 @@
 
 import pytest
 
-from julee.domain.models.custom_fields.content_stream import (
+from julee.contrib.ceap.domain.models.custom_fields.content_stream import (
     ContentStream,
 )
 
diff --git a/src/julee/domain/models/document/__init__.py b/src/julee/contrib/ceap/domain/models/document/__init__.py
similarity index 100%
rename from src/julee/domain/models/document/__init__.py
rename to src/julee/contrib/ceap/domain/models/document/__init__.py
diff --git a/src/julee/domain/models/document/document.py b/src/julee/contrib/ceap/domain/models/document/document.py
similarity index 98%
rename from src/julee/domain/models/document/document.py
rename to src/julee/contrib/ceap/domain/models/document/document.py
index b0bab6fb..6493e18c 100644
--- a/src/julee/domain/models/document/document.py
+++ b/src/julee/contrib/ceap/domain/models/document/document.py
@@ -15,7 +15,7 @@
 
 from pydantic import BaseModel, Field, ValidationInfo, field_validator, model_validator
 
-from julee.domain.models.custom_fields.content_stream import (
+from julee.contrib.ceap.domain.models.custom_fields.content_stream import (
     ContentStream,
 )
 
diff --git a/src/julee/domain/models/document/tests/__init__.py b/src/julee/contrib/ceap/domain/models/document/tests/__init__.py
similarity index 100%
rename from src/julee/domain/models/document/tests/__init__.py
rename to src/julee/contrib/ceap/domain/models/document/tests/__init__.py
diff --git a/src/julee/domain/models/document/tests/factories.py b/src/julee/contrib/ceap/domain/models/document/tests/factories.py
similarity index 93%
rename from src/julee/domain/models/document/tests/factories.py
rename to src/julee/contrib/ceap/domain/models/document/tests/factories.py
index ed52bc4b..aec9978a 100644
--- a/src/julee/domain/models/document/tests/factories.py
+++ b/src/julee/contrib/ceap/domain/models/document/tests/factories.py
@@ -13,10 +13,10 @@
 from factory.declarations import LazyAttribute, LazyFunction
 from factory.faker import Faker
 
-from julee.domain.models.custom_fields.content_stream import (
+from julee.contrib.ceap.domain.models.custom_fields.content_stream import (
     ContentStream,
 )
-from julee.domain.models.document import Document, DocumentStatus
+from julee.contrib.ceap.domain.models.document import Document, DocumentStatus
 
 
 # Helper functions to generate content bytes consistently
diff --git a/src/julee/domain/models/document/tests/test_document.py b/src/julee/contrib/ceap/domain/models/document/tests/test_document.py
similarity index 99%
rename from src/julee/domain/models/document/tests/test_document.py
rename to src/julee/contrib/ceap/domain/models/document/tests/test_document.py
index 48597b60..7c200bc6 100644
--- a/src/julee/domain/models/document/tests/test_document.py
+++ b/src/julee/contrib/ceap/domain/models/document/tests/test_document.py
@@ -24,7 +24,7 @@
 import pytest
 from pydantic import ValidationError
 
-from julee.domain.models.document import Document
+from julee.contrib.ceap.domain.models.document import Document
 
 from .factories import ContentStreamFactory, DocumentFactory
 
diff --git a/src/julee/domain/models/knowledge_service_config/__init__.py b/src/julee/contrib/ceap/domain/models/knowledge_service_config/__init__.py
similarity index 100%
rename from src/julee/domain/models/knowledge_service_config/__init__.py
rename to src/julee/contrib/ceap/domain/models/knowledge_service_config/__init__.py
diff --git a/src/julee/domain/models/knowledge_service_config/knowledge_service_config.py b/src/julee/contrib/ceap/domain/models/knowledge_service_config/knowledge_service_config.py
similarity index 100%
rename from src/julee/domain/models/knowledge_service_config/knowledge_service_config.py
rename to src/julee/contrib/ceap/domain/models/knowledge_service_config/knowledge_service_config.py
diff --git a/src/julee/domain/models/policy/__init__.py b/src/julee/contrib/ceap/domain/models/policy/__init__.py
similarity index 100%
rename from src/julee/domain/models/policy/__init__.py
rename to src/julee/contrib/ceap/domain/models/policy/__init__.py
diff --git a/src/julee/domain/models/policy/document_policy_validation.py b/src/julee/contrib/ceap/domain/models/policy/document_policy_validation.py
similarity index 100%
rename from src/julee/domain/models/policy/document_policy_validation.py
rename to src/julee/contrib/ceap/domain/models/policy/document_policy_validation.py
diff --git a/src/julee/domain/models/policy/policy.py b/src/julee/contrib/ceap/domain/models/policy/policy.py
similarity index 100%
rename from src/julee/domain/models/policy/policy.py
rename to src/julee/contrib/ceap/domain/models/policy/policy.py
diff --git a/src/julee/domain/models/policy/tests/__init__.py b/src/julee/contrib/ceap/domain/models/policy/tests/__init__.py
similarity index 100%
rename from src/julee/domain/models/policy/tests/__init__.py
rename to src/julee/contrib/ceap/domain/models/policy/tests/__init__.py
diff --git a/src/julee/domain/models/policy/tests/factories.py b/src/julee/contrib/ceap/domain/models/policy/tests/factories.py
similarity index 95%
rename from src/julee/domain/models/policy/tests/factories.py
rename to src/julee/contrib/ceap/domain/models/policy/tests/factories.py
index f463aba8..c6912b05 100644
--- a/src/julee/domain/models/policy/tests/factories.py
+++ b/src/julee/contrib/ceap/domain/models/policy/tests/factories.py
@@ -11,7 +11,7 @@
 from factory.declarations import LazyFunction
 from factory.faker import Faker
 
-from julee.domain.models.policy import (
+from julee.contrib.ceap.domain.models.policy import (
     DocumentPolicyValidation,
     DocumentPolicyValidationStatus,
 )
diff --git a/src/julee/domain/models/policy/tests/test_document_policy_validation.py b/src/julee/contrib/ceap/domain/models/policy/tests/test_document_policy_validation.py
similarity index 99%
rename from src/julee/domain/models/policy/tests/test_document_policy_validation.py
rename to src/julee/contrib/ceap/domain/models/policy/tests/test_document_policy_validation.py
index 7c32b6ee..c4979582 100644
--- a/src/julee/domain/models/policy/tests/test_document_policy_validation.py
+++ b/src/julee/contrib/ceap/domain/models/policy/tests/test_document_policy_validation.py
@@ -18,7 +18,7 @@
 import pytest
 from pydantic import ValidationError
 
-from julee.domain.models.policy import (
+from julee.contrib.ceap.domain.models.policy import (
     DocumentPolicyValidation,
     DocumentPolicyValidationStatus,
 )
diff --git a/src/julee/domain/models/policy/tests/test_policy.py b/src/julee/contrib/ceap/domain/models/policy/tests/test_policy.py
similarity index 99%
rename from src/julee/domain/models/policy/tests/test_policy.py
rename to src/julee/contrib/ceap/domain/models/policy/tests/test_policy.py
index 9d3349e0..1cb5eb2a 100644
--- a/src/julee/domain/models/policy/tests/test_policy.py
+++ b/src/julee/contrib/ceap/domain/models/policy/tests/test_policy.py
@@ -10,7 +10,7 @@
 import pytest
 from pydantic import ValidationError
 
-from julee.domain.models.policy import (
+from julee.contrib.ceap.domain.models.policy import (
     Policy,
     PolicyStatus,
 )
diff --git a/src/julee/contrib/ceap/domain/repositories/__init__.py b/src/julee/contrib/ceap/domain/repositories/__init__.py
new file mode 100644
index 00000000..b14fdceb
--- /dev/null
+++ b/src/julee/contrib/ceap/domain/repositories/__init__.py
@@ -0,0 +1,24 @@
+"""
+Repository protocols for the CEAP (Capture, Extract, Assemble, Publish) domain.
+
+This module exports all repository protocol interfaces for the CEAP workflow,
+following the Clean Architecture patterns established in the Julee framework.
+"""
+
+from .assembly import AssemblyRepository
+from .assembly_specification import AssemblySpecificationRepository
+from .document import DocumentRepository
+from .document_policy_validation import DocumentPolicyValidationRepository
+from .knowledge_service_config import KnowledgeServiceConfigRepository
+from .knowledge_service_query import KnowledgeServiceQueryRepository
+from .policy import PolicyRepository
+
+__all__ = [
+    "DocumentRepository",
+    "AssemblyRepository",
+    "AssemblySpecificationRepository",
+    "KnowledgeServiceConfigRepository",
+    "KnowledgeServiceQueryRepository",
+    "PolicyRepository",
+    "DocumentPolicyValidationRepository",
+]
diff --git a/src/julee/domain/repositories/assembly.py b/src/julee/contrib/ceap/domain/repositories/assembly.py
similarity index 93%
rename from src/julee/domain/repositories/assembly.py
rename to src/julee/contrib/ceap/domain/repositories/assembly.py
index df58d54c..553ae7df 100644
--- a/src/julee/domain/repositories/assembly.py
+++ b/src/julee/contrib/ceap/domain/repositories/assembly.py
@@ -29,9 +29,8 @@
 
 from typing import Protocol, runtime_checkable
 
-from julee.domain.models import Assembly
-
-from .base import BaseRepository
+from julee.contrib.ceap.domain.models import Assembly
+from julee.domain.repositories.base import BaseRepository
 
 
 @runtime_checkable
diff --git a/src/julee/domain/repositories/assembly_specification.py b/src/julee/contrib/ceap/domain/repositories/assembly_specification.py
similarity index 93%
rename from src/julee/domain/repositories/assembly_specification.py
rename to src/julee/contrib/ceap/domain/repositories/assembly_specification.py
index 980febd5..2dce9777 100644
--- a/src/julee/domain/repositories/assembly_specification.py
+++ b/src/julee/contrib/ceap/domain/repositories/assembly_specification.py
@@ -31,11 +31,10 @@
 
 from typing import Protocol, runtime_checkable
 
-from julee.domain.models.assembly_specification import (
+from julee.contrib.ceap.domain.models.assembly_specification import (
     AssemblySpecification,
 )
-
-from .base import BaseRepository
+from julee.domain.repositories.base import BaseRepository
 
 
 @runtime_checkable
diff --git a/src/julee/domain/repositories/document.py b/src/julee/contrib/ceap/domain/repositories/document.py
similarity index 94%
rename from src/julee/domain/repositories/document.py
rename to src/julee/contrib/ceap/domain/repositories/document.py
index 1ca25da2..72e6c33c 100644
--- a/src/julee/domain/repositories/document.py
+++ b/src/julee/contrib/ceap/domain/repositories/document.py
@@ -31,9 +31,8 @@
 
 from typing import Protocol, runtime_checkable
 
-from julee.domain.models import Document
-
-from .base import BaseRepository
+from julee.contrib.ceap.domain.models import Document
+from julee.domain.repositories.base import BaseRepository
 
 
 @runtime_checkable
diff --git a/src/julee/domain/repositories/document_policy_validation.py b/src/julee/contrib/ceap/domain/repositories/document_policy_validation.py
similarity index 93%
rename from src/julee/domain/repositories/document_policy_validation.py
rename to src/julee/contrib/ceap/domain/repositories/document_policy_validation.py
index 079bc6da..21aca8ff 100644
--- a/src/julee/domain/repositories/document_policy_validation.py
+++ b/src/julee/contrib/ceap/domain/repositories/document_policy_validation.py
@@ -31,9 +31,8 @@
 
 from typing import Protocol, runtime_checkable
 
-from julee.domain.models.policy import DocumentPolicyValidation
-
-from .base import BaseRepository
+from julee.contrib.ceap.domain.models.policy import DocumentPolicyValidation
+from julee.domain.repositories.base import BaseRepository
 
 
 @runtime_checkable
diff --git a/src/julee/domain/repositories/knowledge_service_config.py b/src/julee/contrib/ceap/domain/repositories/knowledge_service_config.py
similarity index 93%
rename from src/julee/domain/repositories/knowledge_service_config.py
rename to src/julee/contrib/ceap/domain/repositories/knowledge_service_config.py
index 882a2d99..d1e8cc3f 100644
--- a/src/julee/domain/repositories/knowledge_service_config.py
+++ b/src/julee/contrib/ceap/domain/repositories/knowledge_service_config.py
@@ -32,11 +32,10 @@
 
 from typing import Protocol, runtime_checkable
 
-from julee.domain.models.knowledge_service_config import (
+from julee.contrib.ceap.domain.models.knowledge_service_config import (
     KnowledgeServiceConfig,
 )
-
-from .base import BaseRepository
+from julee.domain.repositories.base import BaseRepository
 
 
 @runtime_checkable
diff --git a/src/julee/domain/repositories/knowledge_service_query.py b/src/julee/contrib/ceap/domain/repositories/knowledge_service_query.py
similarity index 91%
rename from src/julee/domain/repositories/knowledge_service_query.py
rename to src/julee/contrib/ceap/domain/repositories/knowledge_service_query.py
index 8c7bc8b0..02798510 100644
--- a/src/julee/domain/repositories/knowledge_service_query.py
+++ b/src/julee/contrib/ceap/domain/repositories/knowledge_service_query.py
@@ -22,11 +22,10 @@
 
 from typing import Protocol, runtime_checkable
 
-from julee.domain.models.assembly_specification import (
+from julee.contrib.ceap.domain.models.assembly_specification import (
     KnowledgeServiceQuery,
 )
-
-from .base import BaseRepository
+from julee.domain.repositories.base import BaseRepository
 
 
 @runtime_checkable
diff --git a/src/julee/domain/repositories/policy.py b/src/julee/contrib/ceap/domain/repositories/policy.py
similarity index 94%
rename from src/julee/domain/repositories/policy.py
rename to src/julee/contrib/ceap/domain/repositories/policy.py
index 6482602e..e1be8152 100644
--- a/src/julee/domain/repositories/policy.py
+++ b/src/julee/contrib/ceap/domain/repositories/policy.py
@@ -31,9 +31,8 @@
 
 from typing import Protocol, runtime_checkable
 
-from julee.domain.models import Policy
-
-from .base import BaseRepository
+from julee.contrib.ceap.domain.models import Policy
+from julee.domain.repositories.base import BaseRepository
 
 
 @runtime_checkable
diff --git a/src/julee/contrib/ceap/use_cases/__init__.py b/src/julee/contrib/ceap/use_cases/__init__.py
new file mode 100644
index 00000000..dd8ccc5c
--- /dev/null
+++ b/src/julee/contrib/ceap/use_cases/__init__.py
@@ -0,0 +1,17 @@
+"""
+Use cases for the CEAP (Capture, Extract, Assemble, Publish) pipeline.
+
+This package contains use case classes that orchestrate business logic
+for the CEAP workflow while remaining framework-agnostic, following
+Clean Architecture principles.
+"""
+
+from .extract_assemble_data import ExtractAssembleDataUseCase
+from .initialize_system_data import InitializeSystemDataUseCase
+from .validate_document import ValidateDocumentUseCase
+
+__all__ = [
+    "ExtractAssembleDataUseCase",
+    "InitializeSystemDataUseCase",
+    "ValidateDocumentUseCase",
+]
diff --git a/src/julee/domain/use_cases/decorators.py b/src/julee/contrib/ceap/use_cases/decorators.py
similarity index 100%
rename from src/julee/domain/use_cases/decorators.py
rename to src/julee/contrib/ceap/use_cases/decorators.py
diff --git a/src/julee/domain/use_cases/extract_assemble_data.py b/src/julee/contrib/ceap/use_cases/extract_assemble_data.py
similarity index 99%
rename from src/julee/domain/use_cases/extract_assemble_data.py
rename to src/julee/contrib/ceap/use_cases/extract_assemble_data.py
index 9aa09d7d..25d1ceca 100644
--- a/src/julee/domain/use_cases/extract_assemble_data.py
+++ b/src/julee/contrib/ceap/use_cases/extract_assemble_data.py
@@ -18,7 +18,7 @@
 import multihash
 from pydantic import BaseModel
 
-from julee.domain.models import (
+from julee.contrib.ceap.domain.models import (
     Assembly,
     AssemblySpecification,
     AssemblyStatus,
@@ -26,7 +26,7 @@
     DocumentStatus,
     KnowledgeServiceQuery,
 )
-from julee.domain.repositories import (
+from julee.contrib.ceap.domain.repositories import (
     AssemblyRepository,
     AssemblySpecificationRepository,
     DocumentRepository,
diff --git a/src/julee/domain/use_cases/initialize_system_data.py b/src/julee/contrib/ceap/use_cases/initialize_system_data.py
similarity index 97%
rename from src/julee/domain/use_cases/initialize_system_data.py
rename to src/julee/contrib/ceap/use_cases/initialize_system_data.py
index e56090b7..1dc233ea 100644
--- a/src/julee/domain/use_cases/initialize_system_data.py
+++ b/src/julee/contrib/ceap/use_cases/initialize_system_data.py
@@ -22,24 +22,24 @@
 import yaml
 from pydantic import BaseModel
 
-from julee.domain.models.assembly_specification import (
+from julee.contrib.ceap.domain.models.assembly_specification import (
     AssemblySpecification,
     AssemblySpecificationStatus,
     KnowledgeServiceQuery,
 )
-from julee.domain.models.document import Document, DocumentStatus
-from julee.domain.models.knowledge_service_config import (
+from julee.contrib.ceap.domain.models.document import Document, DocumentStatus
+from julee.contrib.ceap.domain.models.knowledge_service_config import (
     KnowledgeServiceConfig,
     ServiceApi,
 )
-from julee.domain.repositories.assembly_specification import (
+from julee.contrib.ceap.domain.repositories.assembly_specification import (
     AssemblySpecificationRepository,
 )
-from julee.domain.repositories.document import DocumentRepository
-from julee.domain.repositories.knowledge_service_config import (
+from julee.contrib.ceap.domain.repositories.document import DocumentRepository
+from julee.contrib.ceap.domain.repositories.knowledge_service_config import (
     KnowledgeServiceConfigRepository,
 )
-from julee.domain.repositories.knowledge_service_query import (
+from julee.contrib.ceap.domain.repositories.knowledge_service_query import (
     KnowledgeServiceQueryRepository,
 )
 
@@ -135,7 +135,7 @@ def _get_demo_fixture_path(self, filename: str) -> Path:
             Path to the fixture file
         """
         current_file = Path(__file__)
-        julee_dir = current_file.parent.parent.parent
+        julee_dir = current_file.parent.parent.parent.parent
         return julee_dir / "fixtures" / filename
 
     async def _ensure_knowledge_service_configs_exist(self) -> None:
@@ -838,7 +838,7 @@ def _create_document_from_fixture_data(self, doc_data: dict[str, Any]) -> Docume
                 )
         else:
             current_file = Path(__file__)
-            julee_dir = current_file.parent.parent.parent
+            julee_dir = current_file.parent.parent.parent.parent
             fixture_path = julee_dir / "fixtures" / doc_data["original_filename"]
 
             open_mode = "r" if is_text else "rb"
diff --git a/src/julee/domain/use_cases/pointable_json_schema.py b/src/julee/contrib/ceap/use_cases/pointable_json_schema.py
similarity index 100%
rename from src/julee/domain/use_cases/pointable_json_schema.py
rename to src/julee/contrib/ceap/use_cases/pointable_json_schema.py
diff --git a/src/julee/domain/use_cases/tests/__init__.py b/src/julee/contrib/ceap/use_cases/tests/__init__.py
similarity index 100%
rename from src/julee/domain/use_cases/tests/__init__.py
rename to src/julee/contrib/ceap/use_cases/tests/__init__.py
diff --git a/src/julee/domain/use_cases/tests/test_extract_assemble_data.py b/src/julee/contrib/ceap/use_cases/tests/test_extract_assemble_data.py
similarity index 99%
rename from src/julee/domain/use_cases/tests/test_extract_assemble_data.py
rename to src/julee/contrib/ceap/use_cases/tests/test_extract_assemble_data.py
index 261b01b0..da1cb196 100644
--- a/src/julee/domain/use_cases/tests/test_extract_assemble_data.py
+++ b/src/julee/contrib/ceap/use_cases/tests/test_extract_assemble_data.py
@@ -13,7 +13,7 @@
 
 import pytest
 
-from julee.domain.models import (
+from julee.contrib.ceap.domain.models import (
     Assembly,
     AssemblySpecification,
     AssemblySpecificationStatus,
@@ -24,8 +24,8 @@
     KnowledgeServiceConfig,
     KnowledgeServiceQuery,
 )
-from julee.domain.models.knowledge_service_config import ServiceApi
-from julee.domain.use_cases import ExtractAssembleDataUseCase
+from julee.contrib.ceap.domain.models.knowledge_service_config import ServiceApi
+from julee.contrib.ceap.use_cases import ExtractAssembleDataUseCase
 from julee.repositories.memory import (
     MemoryAssemblyRepository,
     MemoryAssemblySpecificationRepository,
diff --git a/src/julee/domain/use_cases/tests/test_initialize_system_data.py b/src/julee/contrib/ceap/use_cases/tests/test_initialize_system_data.py
similarity index 98%
rename from src/julee/domain/use_cases/tests/test_initialize_system_data.py
rename to src/julee/contrib/ceap/use_cases/tests/test_initialize_system_data.py
index 596b4a63..335f6de9 100644
--- a/src/julee/domain/use_cases/tests/test_initialize_system_data.py
+++ b/src/julee/contrib/ceap/use_cases/tests/test_initialize_system_data.py
@@ -15,11 +15,11 @@
 import pytest
 import yaml
 
-from julee.domain.models.knowledge_service_config import (
+from julee.contrib.ceap.domain.models.knowledge_service_config import (
     KnowledgeServiceConfig,
     ServiceApi,
 )
-from julee.domain.use_cases.initialize_system_data import (
+from julee.contrib.ceap.use_cases.initialize_system_data import (
     InitializeSystemDataRequest,
     InitializeSystemDataUseCase,
 )
@@ -84,7 +84,7 @@ def fixture_configs() -> list[dict]:
     """Load actual configurations from YAML fixture file."""
     # Get the fixture file path
     current_file = Path(__file__)
-    julee_dir = current_file.parent.parent.parent.parent
+    julee_dir = current_file.parent.parent.parent.parent.parent
     fixture_path = julee_dir / "fixtures" / "knowledge_service_configs.yaml"
 
     assert fixture_path.exists(), f"Fixture file not found: {fixture_path}"
@@ -316,7 +316,7 @@ def test_fixture_file_exists_and_is_valid(self) -> None:
         """Test that the fixture file exists and contains valid data."""
         # Get the fixture file path
         current_file = Path(__file__)
-        julee_dir = current_file.parent.parent.parent.parent
+        julee_dir = current_file.parent.parent.parent.parent.parent
         fixture_path = julee_dir / "fixtures" / "knowledge_service_configs.yaml"
 
         # Verify file exists
diff --git a/src/julee/domain/use_cases/tests/test_pointable_json_schema.py b/src/julee/contrib/ceap/use_cases/tests/test_pointable_json_schema.py
similarity index 99%
rename from src/julee/domain/use_cases/tests/test_pointable_json_schema.py
rename to src/julee/contrib/ceap/use_cases/tests/test_pointable_json_schema.py
index 96c6065b..68c4c60a 100644
--- a/src/julee/domain/use_cases/tests/test_pointable_json_schema.py
+++ b/src/julee/contrib/ceap/use_cases/tests/test_pointable_json_schema.py
@@ -8,7 +8,7 @@
 
 import pytest
 
-from julee.domain.use_cases.pointable_json_schema import PointableJSONSchema
+from julee.contrib.ceap.use_cases.pointable_json_schema import PointableJSONSchema
 
 
 class TestPointableJSONSchema:
diff --git a/src/julee/domain/use_cases/tests/test_validate_document.py b/src/julee/contrib/ceap/use_cases/tests/test_validate_document.py
similarity index 99%
rename from src/julee/domain/use_cases/tests/test_validate_document.py
rename to src/julee/contrib/ceap/use_cases/tests/test_validate_document.py
index 26e642d7..e4c22948 100644
--- a/src/julee/domain/use_cases/tests/test_validate_document.py
+++ b/src/julee/contrib/ceap/use_cases/tests/test_validate_document.py
@@ -13,21 +13,21 @@
 import pytest
 from pydantic import ValidationError
 
-from julee.domain.models import (
+from julee.contrib.ceap.domain.models import (
     ContentStream,
     Document,
     DocumentStatus,
     KnowledgeServiceConfig,
     KnowledgeServiceQuery,
 )
-from julee.domain.models.knowledge_service_config import ServiceApi
-from julee.domain.models.policy import (
+from julee.contrib.ceap.domain.models.knowledge_service_config import ServiceApi
+from julee.contrib.ceap.domain.models.policy import (
     DocumentPolicyValidation,
     DocumentPolicyValidationStatus,
     Policy,
     PolicyStatus,
 )
-from julee.domain.use_cases import ValidateDocumentUseCase
+from julee.contrib.ceap.use_cases import ValidateDocumentUseCase
 from julee.repositories.memory import (
     MemoryDocumentPolicyValidationRepository,
     MemoryDocumentRepository,
diff --git a/src/julee/domain/use_cases/validate_document.py b/src/julee/contrib/ceap/use_cases/validate_document.py
similarity index 99%
rename from src/julee/domain/use_cases/validate_document.py
rename to src/julee/contrib/ceap/use_cases/validate_document.py
index 66679b25..2bd6e948 100644
--- a/src/julee/domain/use_cases/validate_document.py
+++ b/src/julee/contrib/ceap/use_cases/validate_document.py
@@ -17,7 +17,7 @@
 import multihash
 from pydantic import BaseModel
 
-from julee.domain.models import (
+from julee.contrib.ceap.domain.models import (
     ContentStream,
     Document,
     DocumentPolicyValidation,
@@ -25,10 +25,10 @@
     KnowledgeServiceQuery,
     Policy,
 )
-from julee.domain.models.policy import (
+from julee.contrib.ceap.domain.models.policy import (
     DocumentPolicyValidationStatus,
 )
-from julee.domain.repositories import (
+from julee.contrib.ceap.domain.repositories import (
     DocumentPolicyValidationRepository,
     DocumentRepository,
     KnowledgeServiceConfigRepository,
diff --git a/src/julee/domain/__init__.py b/src/julee/domain/__init__.py
index d0ce5dcc..47a127af 100644
--- a/src/julee/domain/__init__.py
+++ b/src/julee/domain/__init__.py
@@ -12,11 +12,11 @@
 
 Import domain components using package imports for convenience, e.g.:
     # Models from the models package
-    from julee.domain.models import Document, Assembly, Policy
+    from julee.contrib.ceap.domain.models import Document, Assembly, Policy
 
     # Repository protocols from the repositories package
-    from julee.domain.repositories import DocumentRepository
+    from julee.contrib.ceap.domain.repositories import DocumentRepository
 
     # Use cases from the use_cases package
-    from julee.domain.use_cases import ValidateDocumentUseCase
+    from julee.contrib.ceap.use_cases import ValidateDocumentUseCase
 """
diff --git a/src/julee/domain/models/__init__.py b/src/julee/domain/models/__init__.py
index c746d486..6b40744b 100644
--- a/src/julee/domain/models/__init__.py
+++ b/src/julee/domain/models/__init__.py
@@ -1,48 +1,5 @@
 """
 Domain models for julee.
 
-This package contains all the domain entities and value objects following
-Clean Architecture principles. These models are framework-independent and
-contain only business logic.
-
-Re-exports commonly used models for convenient importing:
-    from julee.domain.models import Document, Assembly, Policy
+CEAP domain models have moved to julee.contrib.ceap.domain.models.
 """
-
-# Document models
-# Assembly models
-from .assembly import Assembly, AssemblyStatus
-from .assembly_specification import (
-    AssemblySpecification,
-    AssemblySpecificationStatus,
-    KnowledgeServiceQuery,
-)
-
-# Custom field types
-from .custom_fields.content_stream import ContentStream
-from .document import Document, DocumentStatus
-
-# Configuration models
-from .knowledge_service_config import KnowledgeServiceConfig
-
-# Policy models
-from .policy import DocumentPolicyValidation, Policy, PolicyStatus
-
-__all__ = [
-    # Document models
-    "Document",
-    "DocumentStatus",
-    "ContentStream",
-    # Assembly models
-    "Assembly",
-    "AssemblyStatus",
-    "AssemblySpecification",
-    "AssemblySpecificationStatus",
-    "KnowledgeServiceQuery",
-    # Configuration models
-    "KnowledgeServiceConfig",
-    # Policy models
-    "Policy",
-    "PolicyStatus",
-    "DocumentPolicyValidation",
-]
diff --git a/src/julee/domain/repositories/__init__.py b/src/julee/domain/repositories/__init__.py
index 7c921e8b..2e60c3ab 100644
--- a/src/julee/domain/repositories/__init__.py
+++ b/src/julee/domain/repositories/__init__.py
@@ -1,27 +1,12 @@
 """
 Repository protocols for julee domain.
 
-This module exports all repository protocol interfaces for the Capture,
-Extract, Assemble, Publish workflow, following the Clean Architecture
-patterns established in the Fun-Police framework.
+CEAP repository protocols have moved to julee.contrib.ceap.domain.repositories.
+BaseRepository remains here as generic framework infrastructure.
 """
 
-from .assembly import AssemblyRepository
-from .assembly_specification import AssemblySpecificationRepository
 from .base import BaseRepository
-from .document import DocumentRepository
-from .document_policy_validation import DocumentPolicyValidationRepository
-from .knowledge_service_config import KnowledgeServiceConfigRepository
-from .knowledge_service_query import KnowledgeServiceQueryRepository
-from .policy import PolicyRepository
 
 __all__ = [
     "BaseRepository",
-    "DocumentRepository",
-    "AssemblyRepository",
-    "AssemblySpecificationRepository",
-    "KnowledgeServiceConfigRepository",
-    "KnowledgeServiceQueryRepository",
-    "PolicyRepository",
-    "DocumentPolicyValidationRepository",
 ]
diff --git a/src/julee/domain/use_cases/__init__.py b/src/julee/domain/use_cases/__init__.py
index 8244cdd7..48264445 100644
--- a/src/julee/domain/use_cases/__init__.py
+++ b/src/julee/domain/use_cases/__init__.py
@@ -1,17 +1,5 @@
 """
 Use cases for julee domain.
 
-This package contains use case classes that orchestrate business logic
-for the Capture, Extract, Assemble, Publish workflow while remaining
-framework-agnostic following Clean Architecture principles.
+CEAP use cases have moved to julee.contrib.ceap.use_cases.
 """
-
-from .extract_assemble_data import ExtractAssembleDataUseCase
-from .initialize_system_data import InitializeSystemDataUseCase
-from .validate_document import ValidateDocumentUseCase
-
-__all__ = [
-    "ExtractAssembleDataUseCase",
-    "InitializeSystemDataUseCase",
-    "ValidateDocumentUseCase",
-]
diff --git a/src/julee/repositories/memory/assembly.py b/src/julee/repositories/memory/assembly.py
index bb685758..7215a7c5 100644
--- a/src/julee/repositories/memory/assembly.py
+++ b/src/julee/repositories/memory/assembly.py
@@ -14,8 +14,8 @@
 import logging
 from typing import Any
 
-from julee.domain.models.assembly import Assembly
-from julee.domain.repositories.assembly import AssemblyRepository
+from julee.contrib.ceap.domain.models.assembly import Assembly
+from julee.contrib.ceap.domain.repositories.assembly import AssemblyRepository
 
 from .base import MemoryRepositoryMixin
 
diff --git a/src/julee/repositories/memory/assembly_specification.py b/src/julee/repositories/memory/assembly_specification.py
index ec385661..addbbfc7 100644
--- a/src/julee/repositories/memory/assembly_specification.py
+++ b/src/julee/repositories/memory/assembly_specification.py
@@ -16,10 +16,10 @@
 import logging
 from typing import Any
 
-from julee.domain.models.assembly_specification import (
+from julee.contrib.ceap.domain.models.assembly_specification import (
     AssemblySpecification,
 )
-from julee.domain.repositories.assembly_specification import (
+from julee.contrib.ceap.domain.repositories.assembly_specification import (
     AssemblySpecificationRepository,
 )
 
diff --git a/src/julee/repositories/memory/document.py b/src/julee/repositories/memory/document.py
index 83fea739..dc53c3fe 100644
--- a/src/julee/repositories/memory/document.py
+++ b/src/julee/repositories/memory/document.py
@@ -16,11 +16,11 @@
 import logging
 from typing import Any
 
-from julee.domain.models.custom_fields.content_stream import (
+from julee.contrib.ceap.domain.models.custom_fields.content_stream import (
     ContentStream,
 )
-from julee.domain.models.document import Document
-from julee.domain.repositories.document import DocumentRepository
+from julee.contrib.ceap.domain.models.document import Document
+from julee.contrib.ceap.domain.repositories.document import DocumentRepository
 
 from .base import MemoryRepositoryMixin
 
diff --git a/src/julee/repositories/memory/document_policy_validation.py b/src/julee/repositories/memory/document_policy_validation.py
index 1820f181..10eea6f9 100644
--- a/src/julee/repositories/memory/document_policy_validation.py
+++ b/src/julee/repositories/memory/document_policy_validation.py
@@ -15,8 +15,8 @@
 import logging
 from typing import Any
 
-from julee.domain.models.policy import DocumentPolicyValidation
-from julee.domain.repositories.document_policy_validation import (
+from julee.contrib.ceap.domain.models.policy import DocumentPolicyValidation
+from julee.contrib.ceap.domain.repositories.document_policy_validation import (
     DocumentPolicyValidationRepository,
 )
 
diff --git a/src/julee/repositories/memory/knowledge_service_config.py b/src/julee/repositories/memory/knowledge_service_config.py
index 006ce611..67b2491d 100644
--- a/src/julee/repositories/memory/knowledge_service_config.py
+++ b/src/julee/repositories/memory/knowledge_service_config.py
@@ -16,10 +16,10 @@
 import logging
 from typing import Any
 
-from julee.domain.models.knowledge_service_config import (
+from julee.contrib.ceap.domain.models.knowledge_service_config import (
     KnowledgeServiceConfig,
 )
-from julee.domain.repositories.knowledge_service_config import (
+from julee.contrib.ceap.domain.repositories.knowledge_service_config import (
     KnowledgeServiceConfigRepository,
 )
 
diff --git a/src/julee/repositories/memory/knowledge_service_query.py b/src/julee/repositories/memory/knowledge_service_query.py
index 1b840245..7effc4a2 100644
--- a/src/julee/repositories/memory/knowledge_service_query.py
+++ b/src/julee/repositories/memory/knowledge_service_query.py
@@ -15,10 +15,10 @@
 import logging
 from typing import Any
 
-from julee.domain.models.assembly_specification import (
+from julee.contrib.ceap.domain.models.assembly_specification import (
     KnowledgeServiceQuery,
 )
-from julee.domain.repositories.knowledge_service_query import (
+from julee.contrib.ceap.domain.repositories.knowledge_service_query import (
     KnowledgeServiceQueryRepository,
 )
 
diff --git a/src/julee/repositories/memory/policy.py b/src/julee/repositories/memory/policy.py
index 50e0014f..3f3d379d 100644
--- a/src/julee/repositories/memory/policy.py
+++ b/src/julee/repositories/memory/policy.py
@@ -14,8 +14,8 @@
 import logging
 from typing import Any
 
-from julee.domain.models.policy import Policy
-from julee.domain.repositories.policy import PolicyRepository
+from julee.contrib.ceap.domain.models.policy import Policy
+from julee.contrib.ceap.domain.repositories.policy import PolicyRepository
 
 from .base import MemoryRepositoryMixin
 
diff --git a/src/julee/repositories/memory/tests/test_document.py b/src/julee/repositories/memory/tests/test_document.py
index 16401de9..eb6c3717 100644
--- a/src/julee/repositories/memory/tests/test_document.py
+++ b/src/julee/repositories/memory/tests/test_document.py
@@ -10,10 +10,10 @@
 
 import pytest
 
-from julee.domain.models.custom_fields.content_stream import (
+from julee.contrib.ceap.domain.models.custom_fields.content_stream import (
     ContentStream,
 )
-from julee.domain.models.document import Document, DocumentStatus
+from julee.contrib.ceap.domain.models.document import Document, DocumentStatus
 from julee.repositories.memory.document import (
     MemoryDocumentRepository,
 )
diff --git a/src/julee/repositories/memory/tests/test_document_policy_validation.py b/src/julee/repositories/memory/tests/test_document_policy_validation.py
index 935f5f0f..27ea4281 100644
--- a/src/julee/repositories/memory/tests/test_document_policy_validation.py
+++ b/src/julee/repositories/memory/tests/test_document_policy_validation.py
@@ -11,7 +11,7 @@
 
 import pytest
 
-from julee.domain.models.policy import (
+from julee.contrib.ceap.domain.models.policy import (
     DocumentPolicyValidation,
     DocumentPolicyValidationStatus,
 )
diff --git a/src/julee/repositories/memory/tests/test_policy.py b/src/julee/repositories/memory/tests/test_policy.py
index 90acf422..df8a6c93 100644
--- a/src/julee/repositories/memory/tests/test_policy.py
+++ b/src/julee/repositories/memory/tests/test_policy.py
@@ -10,7 +10,7 @@
 
 import pytest
 
-from julee.domain.models.policy import Policy, PolicyStatus
+from julee.contrib.ceap.domain.models.policy import Policy, PolicyStatus
 from julee.repositories.memory.policy import MemoryPolicyRepository
 
 pytestmark = pytest.mark.unit
diff --git a/src/julee/repositories/minio/assembly.py b/src/julee/repositories/minio/assembly.py
index 641f559b..17afe95e 100644
--- a/src/julee/repositories/minio/assembly.py
+++ b/src/julee/repositories/minio/assembly.py
@@ -12,8 +12,8 @@
 
 import logging
 
-from julee.domain.models.assembly import Assembly
-from julee.domain.repositories.assembly import AssemblyRepository
+from julee.contrib.ceap.domain.models.assembly import Assembly
+from julee.contrib.ceap.domain.repositories.assembly import AssemblyRepository
 
 from .client import MinioClient, MinioRepositoryMixin
 
diff --git a/src/julee/repositories/minio/assembly_specification.py b/src/julee/repositories/minio/assembly_specification.py
index 69a1d0d5..d5042152 100644
--- a/src/julee/repositories/minio/assembly_specification.py
+++ b/src/julee/repositories/minio/assembly_specification.py
@@ -15,10 +15,10 @@
 
 import logging
 
-from julee.domain.models.assembly_specification import (
+from julee.contrib.ceap.domain.models.assembly_specification import (
     AssemblySpecification,
 )
-from julee.domain.repositories.assembly_specification import (
+from julee.contrib.ceap.domain.repositories.assembly_specification import (
     AssemblySpecificationRepository,
 )
 
diff --git a/src/julee/repositories/minio/client.py b/src/julee/repositories/minio/client.py
index e2d99372..cf8b6ff7 100644
--- a/src/julee/repositories/minio/client.py
+++ b/src/julee/repositories/minio/client.py
@@ -29,7 +29,7 @@
 from urllib3.response import BaseHTTPResponse
 
 # Import ContentStream here to avoid circular imports
-from julee.domain.models.custom_fields.content_stream import (
+from julee.contrib.ceap.domain.models.custom_fields.content_stream import (
     ContentStream,
 )
 
diff --git a/src/julee/repositories/minio/document.py b/src/julee/repositories/minio/document.py
index f1ccc50d..b9813f08 100644
--- a/src/julee/repositories/minio/document.py
+++ b/src/julee/repositories/minio/document.py
@@ -21,11 +21,11 @@
 from minio.error import S3Error  # type: ignore[import-untyped]
 from pydantic import BaseModel, ConfigDict
 
-from julee.domain.models.custom_fields.content_stream import (
+from julee.contrib.ceap.domain.models.custom_fields.content_stream import (
     ContentStream,
 )
-from julee.domain.models.document import Document
-from julee.domain.repositories.document import DocumentRepository
+from julee.contrib.ceap.domain.models.document import Document
+from julee.contrib.ceap.domain.repositories.document import DocumentRepository
 
 from .client import MinioClient, MinioRepositoryMixin
 
diff --git a/src/julee/repositories/minio/document_policy_validation.py b/src/julee/repositories/minio/document_policy_validation.py
index 85beb8eb..c5cba441 100644
--- a/src/julee/repositories/minio/document_policy_validation.py
+++ b/src/julee/repositories/minio/document_policy_validation.py
@@ -15,8 +15,8 @@
 
 import logging
 
-from julee.domain.models.policy import DocumentPolicyValidation
-from julee.domain.repositories.document_policy_validation import (
+from julee.contrib.ceap.domain.models.policy import DocumentPolicyValidation
+from julee.contrib.ceap.domain.repositories.document_policy_validation import (
     DocumentPolicyValidationRepository,
 )
 
diff --git a/src/julee/repositories/minio/knowledge_service_config.py b/src/julee/repositories/minio/knowledge_service_config.py
index 99955a92..228d4f66 100644
--- a/src/julee/repositories/minio/knowledge_service_config.py
+++ b/src/julee/repositories/minio/knowledge_service_config.py
@@ -15,10 +15,10 @@
 
 import logging
 
-from julee.domain.models.knowledge_service_config import (
+from julee.contrib.ceap.domain.models.knowledge_service_config import (
     KnowledgeServiceConfig,
 )
-from julee.domain.repositories.knowledge_service_config import (
+from julee.contrib.ceap.domain.repositories.knowledge_service_config import (
     KnowledgeServiceConfigRepository,
 )
 
diff --git a/src/julee/repositories/minio/knowledge_service_query.py b/src/julee/repositories/minio/knowledge_service_query.py
index 836d90e8..8b995fd3 100644
--- a/src/julee/repositories/minio/knowledge_service_query.py
+++ b/src/julee/repositories/minio/knowledge_service_query.py
@@ -16,10 +16,10 @@
 import logging
 import uuid
 
-from julee.domain.models.assembly_specification import (
+from julee.contrib.ceap.domain.models.assembly_specification import (
     KnowledgeServiceQuery,
 )
-from julee.domain.repositories.knowledge_service_query import (
+from julee.contrib.ceap.domain.repositories.knowledge_service_query import (
     KnowledgeServiceQueryRepository,
 )
 
diff --git a/src/julee/repositories/minio/policy.py b/src/julee/repositories/minio/policy.py
index e1027d2c..a3d2bbff 100644
--- a/src/julee/repositories/minio/policy.py
+++ b/src/julee/repositories/minio/policy.py
@@ -14,8 +14,8 @@
 
 import logging
 
-from julee.domain.models.policy import Policy
-from julee.domain.repositories.policy import PolicyRepository
+from julee.contrib.ceap.domain.models.policy import Policy
+from julee.contrib.ceap.domain.repositories.policy import PolicyRepository
 
 from .client import MinioClient, MinioRepositoryMixin
 
diff --git a/src/julee/repositories/minio/tests/test_assembly.py b/src/julee/repositories/minio/tests/test_assembly.py
index 74227424..ee4077de 100644
--- a/src/julee/repositories/minio/tests/test_assembly.py
+++ b/src/julee/repositories/minio/tests/test_assembly.py
@@ -10,7 +10,7 @@
 
 import pytest
 
-from julee.domain.models.assembly import Assembly, AssemblyStatus
+from julee.contrib.ceap.domain.models.assembly import Assembly, AssemblyStatus
 from julee.repositories.minio.assembly import MinioAssemblyRepository
 
 from .fake_client import FakeMinioClient
diff --git a/src/julee/repositories/minio/tests/test_assembly_specification.py b/src/julee/repositories/minio/tests/test_assembly_specification.py
index df88c1d6..38eea85a 100644
--- a/src/julee/repositories/minio/tests/test_assembly_specification.py
+++ b/src/julee/repositories/minio/tests/test_assembly_specification.py
@@ -10,7 +10,7 @@
 
 import pytest
 
-from julee.domain.models.assembly_specification import (
+from julee.contrib.ceap.domain.models.assembly_specification import (
     AssemblySpecification,
     AssemblySpecificationStatus,
 )
diff --git a/src/julee/repositories/minio/tests/test_document.py b/src/julee/repositories/minio/tests/test_document.py
index 0c669219..fe4534f5 100644
--- a/src/julee/repositories/minio/tests/test_document.py
+++ b/src/julee/repositories/minio/tests/test_document.py
@@ -15,10 +15,10 @@
 import pytest
 from minio.error import S3Error
 
-from julee.domain.models.custom_fields.content_stream import (
+from julee.contrib.ceap.domain.models.custom_fields.content_stream import (
     ContentStream,
 )
-from julee.domain.models.document import Document, DocumentStatus
+from julee.contrib.ceap.domain.models.document import Document, DocumentStatus
 from julee.repositories.minio.document import MinioDocumentRepository
 
 from .fake_client import FakeMinioClient
diff --git a/src/julee/repositories/minio/tests/test_document_policy_validation.py b/src/julee/repositories/minio/tests/test_document_policy_validation.py
index e9d23493..2193c7d7 100644
--- a/src/julee/repositories/minio/tests/test_document_policy_validation.py
+++ b/src/julee/repositories/minio/tests/test_document_policy_validation.py
@@ -11,7 +11,7 @@
 
 import pytest
 
-from julee.domain.models.policy import (
+from julee.contrib.ceap.domain.models.policy import (
     DocumentPolicyValidation,
     DocumentPolicyValidationStatus,
 )
diff --git a/src/julee/repositories/minio/tests/test_knowledge_service_config.py b/src/julee/repositories/minio/tests/test_knowledge_service_config.py
index dc269174..6967945c 100644
--- a/src/julee/repositories/minio/tests/test_knowledge_service_config.py
+++ b/src/julee/repositories/minio/tests/test_knowledge_service_config.py
@@ -10,7 +10,7 @@
 
 import pytest
 
-from julee.domain.models.knowledge_service_config import (
+from julee.contrib.ceap.domain.models.knowledge_service_config import (
     KnowledgeServiceConfig,
     ServiceApi,
 )
diff --git a/src/julee/repositories/minio/tests/test_knowledge_service_query.py b/src/julee/repositories/minio/tests/test_knowledge_service_query.py
index 8ae5a9d0..4f564d3d 100644
--- a/src/julee/repositories/minio/tests/test_knowledge_service_query.py
+++ b/src/julee/repositories/minio/tests/test_knowledge_service_query.py
@@ -10,7 +10,7 @@
 
 import pytest
 
-from julee.domain.models.assembly_specification import (
+from julee.contrib.ceap.domain.models.assembly_specification import (
     KnowledgeServiceQuery,
 )
 from julee.repositories.minio.knowledge_service_query import (
diff --git a/src/julee/repositories/minio/tests/test_policy.py b/src/julee/repositories/minio/tests/test_policy.py
index 5a74e34b..4c4701d6 100644
--- a/src/julee/repositories/minio/tests/test_policy.py
+++ b/src/julee/repositories/minio/tests/test_policy.py
@@ -10,7 +10,7 @@
 
 import pytest
 
-from julee.domain.models.policy import Policy, PolicyStatus
+from julee.contrib.ceap.domain.models.policy import Policy, PolicyStatus
 from julee.repositories.minio.policy import MinioPolicyRepository
 
 from .fake_client import FakeMinioClient
diff --git a/src/julee/repositories/temporal/proxies.py b/src/julee/repositories/temporal/proxies.py
index 78864cbb..333c2431 100644
--- a/src/julee/repositories/temporal/proxies.py
+++ b/src/julee/repositories/temporal/proxies.py
@@ -11,21 +11,21 @@
 and retry policies.
 """
 
-from julee.domain.repositories.assembly import AssemblyRepository
-from julee.domain.repositories.assembly_specification import (
+from julee.contrib.ceap.domain.repositories.assembly import AssemblyRepository
+from julee.contrib.ceap.domain.repositories.assembly_specification import (
     AssemblySpecificationRepository,
 )
-from julee.domain.repositories.document import DocumentRepository
-from julee.domain.repositories.document_policy_validation import (
+from julee.contrib.ceap.domain.repositories.document import DocumentRepository
+from julee.contrib.ceap.domain.repositories.document_policy_validation import (
     DocumentPolicyValidationRepository,
 )
-from julee.domain.repositories.knowledge_service_config import (
+from julee.contrib.ceap.domain.repositories.knowledge_service_config import (
     KnowledgeServiceConfigRepository,
 )
-from julee.domain.repositories.knowledge_service_query import (
+from julee.contrib.ceap.domain.repositories.knowledge_service_query import (
     KnowledgeServiceQueryRepository,
 )
-from julee.domain.repositories.policy import PolicyRepository
+from julee.contrib.ceap.domain.repositories.policy import PolicyRepository
 
 # Import activity name bases from shared module
 from julee.repositories.temporal.activity_names import (
diff --git a/src/julee/services/knowledge_service/anthropic/knowledge_service.py b/src/julee/services/knowledge_service/anthropic/knowledge_service.py
index 62857eab..80f7cede 100644
--- a/src/julee/services/knowledge_service/anthropic/knowledge_service.py
+++ b/src/julee/services/knowledge_service/anthropic/knowledge_service.py
@@ -20,8 +20,8 @@
 
 from anthropic import AsyncAnthropic
 
-from julee.domain.models.document import Document
-from julee.domain.models.knowledge_service_config import (
+from julee.contrib.ceap.domain.models.document import Document
+from julee.contrib.ceap.domain.models.knowledge_service_config import (
     KnowledgeServiceConfig,
 )
 
diff --git a/src/julee/services/knowledge_service/anthropic/tests/test_knowledge_service.py b/src/julee/services/knowledge_service/anthropic/tests/test_knowledge_service.py
index a97be081..14c33b99 100644
--- a/src/julee/services/knowledge_service/anthropic/tests/test_knowledge_service.py
+++ b/src/julee/services/knowledge_service/anthropic/tests/test_knowledge_service.py
@@ -12,11 +12,11 @@
 
 import pytest
 
-from julee.domain.models.custom_fields.content_stream import (
+from julee.contrib.ceap.domain.models.custom_fields.content_stream import (
     ContentStream,
 )
-from julee.domain.models.document import Document, DocumentStatus
-from julee.domain.models.knowledge_service_config import (
+from julee.contrib.ceap.domain.models.document import Document, DocumentStatus
+from julee.contrib.ceap.domain.models.knowledge_service_config import (
     KnowledgeServiceConfig,
     ServiceApi,
 )
diff --git a/src/julee/services/knowledge_service/factory.py b/src/julee/services/knowledge_service/factory.py
index b14e0b3d..341d0036 100644
--- a/src/julee/services/knowledge_service/factory.py
+++ b/src/julee/services/knowledge_service/factory.py
@@ -8,8 +8,8 @@
 import logging
 from typing import Any
 
-from julee.domain.models.document import Document
-from julee.domain.models.knowledge_service_config import (
+from julee.contrib.ceap.domain.models.document import Document
+from julee.contrib.ceap.domain.models.knowledge_service_config import (
     KnowledgeServiceConfig,
     ServiceApi,
 )
@@ -86,8 +86,8 @@ def knowledge_service_factory(
         ValueError: If the service_api is not supported
 
     Example:
-        >>> from julee.domain import KnowledgeServiceConfig
-        >>> from julee.domain.models.knowledge_service_config import (
+        >>> from julee.contrib.ceap.domain.models import KnowledgeServiceConfig
+        >>> from julee.contrib.ceap.domain.models.knowledge_service_config import (
         ...     ServiceApi
         ... )
         >>> config = KnowledgeServiceConfig(
diff --git a/src/julee/services/knowledge_service/knowledge_service.py b/src/julee/services/knowledge_service/knowledge_service.py
index 8820c35e..53a0424b 100644
--- a/src/julee/services/knowledge_service/knowledge_service.py
+++ b/src/julee/services/knowledge_service/knowledge_service.py
@@ -22,11 +22,11 @@
 from pydantic import BaseModel, Field
 
 if TYPE_CHECKING:
-    from julee.domain.models.knowledge_service_config import (
+    from julee.contrib.ceap.domain.models.knowledge_service_config import (
         KnowledgeServiceConfig,
     )
 
-from julee.domain.models.document import Document
+from julee.contrib.ceap.domain.models.document import Document
 
 
 class QueryResult(BaseModel):
diff --git a/src/julee/services/knowledge_service/memory/knowledge_service.py b/src/julee/services/knowledge_service/memory/knowledge_service.py
index 7bab8e59..a08677bd 100644
--- a/src/julee/services/knowledge_service/memory/knowledge_service.py
+++ b/src/julee/services/knowledge_service/memory/knowledge_service.py
@@ -13,8 +13,8 @@
 from datetime import datetime, timezone
 from typing import Any
 
-from julee.domain.models.document import Document
-from julee.domain.models.knowledge_service_config import (
+from julee.contrib.ceap.domain.models.document import Document
+from julee.contrib.ceap.domain.models.knowledge_service_config import (
     KnowledgeServiceConfig,
 )
 
diff --git a/src/julee/services/knowledge_service/memory/test_knowledge_service.py b/src/julee/services/knowledge_service/memory/test_knowledge_service.py
index 2a7797ab..fbf9b644 100644
--- a/src/julee/services/knowledge_service/memory/test_knowledge_service.py
+++ b/src/julee/services/knowledge_service/memory/test_knowledge_service.py
@@ -11,11 +11,11 @@
 
 import pytest
 
-from julee.domain.models.custom_fields.content_stream import (
+from julee.contrib.ceap.domain.models.custom_fields.content_stream import (
     ContentStream,
 )
-from julee.domain.models.document import Document, DocumentStatus
-from julee.domain.models.knowledge_service_config import (
+from julee.contrib.ceap.domain.models.document import Document, DocumentStatus
+from julee.contrib.ceap.domain.models.knowledge_service_config import (
     KnowledgeServiceConfig,
     ServiceApi,
 )
diff --git a/src/julee/services/knowledge_service/test_factory.py b/src/julee/services/knowledge_service/test_factory.py
index 3da3504b..7824be38 100644
--- a/src/julee/services/knowledge_service/test_factory.py
+++ b/src/julee/services/knowledge_service/test_factory.py
@@ -10,11 +10,11 @@
 
 import pytest
 
-from julee.domain.models.custom_fields.content_stream import (
+from julee.contrib.ceap.domain.models.custom_fields.content_stream import (
     ContentStream,
 )
-from julee.domain.models.document import Document, DocumentStatus
-from julee.domain.models.knowledge_service_config import (
+from julee.contrib.ceap.domain.models.document import Document, DocumentStatus
+from julee.contrib.ceap.domain.models.knowledge_service_config import (
     KnowledgeServiceConfig,
     ServiceApi,
 )
diff --git a/src/julee/services/temporal/activities.py b/src/julee/services/temporal/activities.py
index 9ab549b0..050ce866 100644
--- a/src/julee/services/temporal/activities.py
+++ b/src/julee/services/temporal/activities.py
@@ -16,11 +16,11 @@
 
 from typing_extensions import override
 
-from julee.domain.models.document import Document
-from julee.domain.models.knowledge_service_config import (
+from julee.contrib.ceap.domain.models.document import Document
+from julee.contrib.ceap.domain.models.knowledge_service_config import (
     KnowledgeServiceConfig,
 )
-from julee.domain.repositories.document import DocumentRepository
+from julee.contrib.ceap.domain.repositories.document import DocumentRepository
 from julee.services.knowledge_service.factory import (
     ConfigurableKnowledgeService,
 )
diff --git a/src/julee/util/validation/repository.py b/src/julee/util/validation/repository.py
index 43a2ef43..e9b22373 100644
--- a/src/julee/util/validation/repository.py
+++ b/src/julee/util/validation/repository.py
@@ -35,7 +35,7 @@ def validate_repository_protocol(repository: object, protocol: type[P]) -> None:
 
     Example:
         >>> from julee.util.validation.repository import validate_repository_protocol
-        >>> from julee.domain.repositories import DocumentRepository
+        >>> from julee.contrib.ceap.domain.repositories import DocumentRepository
         >>> repo = MinioDocumentRepository()
         >>> validate_repository_protocol(repo, DocumentRepository)
     """
@@ -91,7 +91,7 @@ def ensure_repository_protocol(repository: object, protocol: type[P]) -> P:
 
     Example:
         >>> from julee.util.validation.repository import ensure_repository_protocol
-        >>> from julee.domain.repositories import DocumentRepository
+        >>> from julee.contrib.ceap.domain.repositories import DocumentRepository
         >>> repo = MinioDocumentRepository()
         >>> validated_repo = ensure_repository_protocol(repo, DocumentRepository)
         >>> # Type checker now knows validated_repo satisfies DocumentRepository
diff --git a/src/julee/worker.py b/src/julee/worker.py
index 53f9aa9f..bbd667f9 100644
--- a/src/julee/worker.py
+++ b/src/julee/worker.py
@@ -14,6 +14,10 @@
 from temporalio.service import RPCError
 from temporalio.worker import Worker
 
+from julee.contrib.ceap.apps.worker import (
+    ExtractAssembleWorkflow,
+    ValidateDocumentWorkflow,
+)
 from julee.repositories.minio.client import MinioClient
 from julee.repositories.temporal.activities import (
     TemporalMinioAssemblyRepository,
@@ -29,10 +33,6 @@
 )
 from julee.util.repos.temporal.data_converter import temporal_data_converter
 from julee.util.temporal.activities import collect_activities_from_instances
-from julee.workflows import (
-    ExtractAssembleWorkflow,
-    ValidateDocumentWorkflow,
-)
 
 logger = logging.getLogger(__name__)
 
diff --git a/src/julee/workflows/__init__.py b/src/julee/workflows/__init__.py
index c2d8d26d..86416134 100644
--- a/src/julee/workflows/__init__.py
+++ b/src/julee/workflows/__init__.py
@@ -1,26 +1,5 @@
 """
 Temporal workflows for the julee domain.
 
-This package contains Temporal workflow definitions that orchestrate
-use cases with durability guarantees, retry logic, and state management.
-
-Workflows in this package:
-- ExtractAssembleWorkflow: Orchestrates document extraction and assembly
-- ValidateDocumentWorkflow: Orchestrates document validation against policies
+CEAP workflows have moved to julee.contrib.ceap.apps.worker.
 """
-
-from .extract_assemble import (
-    EXTRACT_ASSEMBLE_RETRY_POLICY,
-    ExtractAssembleWorkflow,
-)
-from .validate_document import (
-    VALIDATE_DOCUMENT_RETRY_POLICY,
-    ValidateDocumentWorkflow,
-)
-
-__all__ = [
-    "ExtractAssembleWorkflow",
-    "EXTRACT_ASSEMBLE_RETRY_POLICY",
-    "ValidateDocumentWorkflow",
-    "VALIDATE_DOCUMENT_RETRY_POLICY",
-]