diff --git a/bc2/core/analyze/__init__.py b/bc2/core/analyze/__init__.py
index e69de29..5fd3432 100644
--- a/bc2/core/analyze/__init__.py
+++ b/bc2/core/analyze/__init__.py
@@ -0,0 +1,5 @@
+from typing import Union
+
+from .azuredi import AzureDIAnalyzeConfig
+
+AnalyzeConfig = Union[AzureDIAnalyzeConfig,]
diff --git a/bc2/core/analyze/azuredi.py b/bc2/core/analyze/azuredi.py
index f9568ab..dfb646e 100644
--- a/bc2/core/analyze/azuredi.py
+++ b/bc2/core/analyze/azuredi.py
@@ -19,7 +19,7 @@
 class AzureDIAnalyzeConfig(BaseModel):
     """Azure DI Analyze config."""
 
-    engine: Literal["analyze:azuredi"]
+    engine: Literal["analyze:azuredi"] = "analyze:azuredi"
     endpoint: str
     api_key: str
     # Todo: Add api_version, since we'll need to match what's on GovCloud,
diff --git a/bc2/core/common/all.py b/bc2/core/common/all.py
index be818cb..1321c6a 100644
--- a/bc2/core/common/all.py
+++ b/bc2/core/common/all.py
@@ -1,9 +1,12 @@
 import typing
 
+from ..analyze import AnalyzeConfig
 from ..extract import ExtractConfig
 from ..input import InputConfig
 from ..inspect import InspectConfig
+from ..ontology import OntologyConfig
 from ..output import OutputConfig
+from ..paint import PaintConfig
 from ..parse import ParseConfig
 from ..redact import RedactConfig
 from ..render import RenderConfig
@@ -14,7 +17,10 @@
 ]
 
 AnyProcessingConfig = typing.Union[
+    AnalyzeConfig,
     ExtractConfig,
+    OntologyConfig,
+    PaintConfig,
     RedactConfig,
     InspectConfig,
     ParseConfig,
diff --git a/bc2/core/ontology/__init__.py b/bc2/core/ontology/__init__.py
index e69de29..b0595e7 100644
--- a/bc2/core/ontology/__init__.py
+++ b/bc2/core/ontology/__init__.py
@@ -0,0 +1,5 @@
+from typing import Union
+
+from .openai import OpenAIOntologyConfig
+
+OntologyConfig = Union[OpenAIOntologyConfig,]
diff --git a/bc2/core/ontology/base.py b/bc2/core/ontology/base.py
index f23a8a8..8635eed 100644
--- a/bc2/core/ontology/base.py
+++ b/bc2/core/ontology/base.py
@@ -1,6 +1,7 @@
 from abc import ABC, abstractmethod
 from typing import Generic, TypeVar
 
+from ..common.context import Context
 from ..common.file import MemoryFile
 from ..common.ontology import PoliceReportParseResult
 from ..common.preprocess import PreprocessMixin
@@ -15,7 +16,7 @@ class EmptyOntologyError(Exception):
 
 
 class BaseOntologyDriver(ABC, Generic[T], PreprocessMixin[T]):
-    def __call__(self, file: MemoryFile) -> MemoryFile:
+    def __call__(self, file: MemoryFile, context: Context) -> MemoryFile:
         """Extract a structured police report ontology from a file."""
         data = self.preprocess(file)
         result = self.extract(data)
@@ -24,6 +25,9 @@ def __call__(self, file: MemoryFile) -> MemoryFile:
                 "No source chunks found in ontology extraction result."
             )
 
+        # Save the extracted ontology in context.
+        context.ontology = result
+
         # Serialize for transport.
         f = MemoryFile(
             content=result.model_dump_json().encode("utf-8"),
diff --git a/bc2/core/ontology/openai.py b/bc2/core/ontology/openai.py
index 72b5678..e48b043 100644
--- a/bc2/core/ontology/openai.py
+++ b/bc2/core/ontology/openai.py
@@ -2,7 +2,7 @@
 from functools import cached_property
 from typing import Literal
 
-from azure.ai.formrecognizer import AnalyzeResult
+from azure.ai.documentintelligence.models import AnalyzeResult
 from openai import OpenAI
 
 from ..common.file import MemoryFile
@@ -24,7 +24,7 @@
 class OpenAIOntologyConfig(OpenAIConfig):
     """OpenAI Ontology config."""
 
-    engine: Literal["ontology:openai"]
+    engine: Literal["ontology:openai"] = "ontology:openai"
     generator: OpenAIChatConfig[PoliceReport]
 
     @cached_property
diff --git a/bc2/core/paint/__init__.py b/bc2/core/paint/__init__.py
index e69de29..5d05fa6 100644
--- a/bc2/core/paint/__init__.py
+++ b/bc2/core/paint/__init__.py
@@ -0,0 +1,5 @@
+from typing import Union
+
+from .ontology import OntologyPainterConfig
+
+PaintConfig = Union[OntologyPainterConfig,]
diff --git a/bc2/core/paint/base.py b/bc2/core/paint/base.py
index f1c9460..13a95e9 100644
--- a/bc2/core/paint/base.py
+++ b/bc2/core/paint/base.py
@@ -8,7 +8,7 @@
 T = TypeVar("T")
 
 
-class BasePainter(ABC, Generic[T], PreprocessMixin[T]):
+class BasePainterDriver(ABC, Generic[T], PreprocessMixin[T]):
     def __call__(self, file: MemoryFile, context: Context) -> MemoryFile:
         """Paint a file, returning an annotated version.
 
diff --git a/bc2/core/paint/ontology.py b/bc2/core/paint/ontology.py
index 928ab75..b0029bb 100644
--- a/bc2/core/paint/ontology.py
+++ b/bc2/core/paint/ontology.py
@@ -1,3 +1,4 @@
+from functools import cached_property
 from typing import Literal
 
 import pymupdf
@@ -8,7 +9,7 @@
 from ..common.ontopainter import OntoPainter, OntoPainterFieldConfig, OntoPainterMark
 from ..common.palette import Palette
 from ..common.preprocess import register_preprocessor
-from .base import BasePainter
+from .base import BasePainterDriver
 
 painter = OntoPainter(
     fields=[
@@ -151,8 +152,15 @@
 class OntologyPainterConfig(BaseModel):
     engine: Literal["paint:ontology"] = "paint:ontology"
 
+    @cached_property
+    def driver(self) -> "OntologyPainterDriver":
+        return OntologyPainterDriver(self)
+
+
+class OntologyPainterDriver(BasePainterDriver[PoliceReportParseResult]):
+    def __init__(self, config: OntologyPainterConfig):
+        self.config = config
 
-class OntologyPainter(BasePainter[PoliceReportParseResult]):
     @register_preprocessor(r"application/x-ontology")
     def preprocess_ontology(self, file: MemoryFile) -> PoliceReportParseResult:
         """Deserialize an ontology MemoryFile into a PoliceReportParseResult."""