fleet-memory/hindsight-api/hindsight_api/extensions/__init__.py
Chris Bartholomew 9c3fda74e2
Add extension hooks for mental model operations (#260)
Add dataclasses and hook methods to OperationValidatorExtension for
tracking mental model operations:

- MentalModelGetContext/Result: context and result for GET operations
- MentalModelRefreshResult: result for refresh operations with token counts
- validate_mental_model_get: pre-operation validation hook
- on_mental_model_get_complete: post-GET completion hook
- on_mental_model_refresh_complete: post-refresh completion hook

Invoke hooks in http.py (GET endpoint) and memory_engine.py (refresh).
Add tests verifying hooks are called with correct parameters.
2026-01-31 09:30:53 -05:00

83 lines
2.3 KiB
Python

"""
Hindsight Extensions System.
Extensions allow customizing and extending Hindsight behavior without modifying core code.
Extensions are loaded via environment variables pointing to implementation classes.
Example:
HINDSIGHT_API_OPERATION_VALIDATOR_EXTENSION=mypackage.validators:MyValidator
HINDSIGHT_API_OPERATION_VALIDATOR_MAX_RETRIES=3
HINDSIGHT_API_HTTP_EXTENSION=mypackage.http:MyHttpExtension
HINDSIGHT_API_HTTP_SOME_CONFIG=value
Extensions receive an ExtensionContext that provides a controlled API for interacting
with the system (e.g., running migrations for tenant schemas).
"""
from hindsight_api.extensions.base import Extension
from hindsight_api.extensions.builtin import ApiKeyTenantExtension
from hindsight_api.extensions.context import DefaultExtensionContext, ExtensionContext
from hindsight_api.extensions.http import HttpExtension
from hindsight_api.extensions.loader import load_extension
from hindsight_api.extensions.operation_validator import (
# Consolidation operation
ConsolidateContext,
ConsolidateResult,
# Mental Model operations
MentalModelGetContext,
MentalModelGetResult,
MentalModelRefreshResult,
# Core operations
OperationValidationError,
OperationValidatorExtension,
RecallContext,
RecallResult,
ReflectContext,
ReflectResultContext,
RetainContext,
RetainResult,
ValidationResult,
)
from hindsight_api.extensions.tenant import (
AuthenticationError,
Tenant,
TenantContext,
TenantExtension,
)
from hindsight_api.models import RequestContext
__all__ = [
# Base
"Extension",
"load_extension",
# Context
"ExtensionContext",
"DefaultExtensionContext",
# HTTP Extension
"HttpExtension",
# Operation Validator - Core
"OperationValidationError",
"OperationValidatorExtension",
"RecallContext",
"RecallResult",
"ReflectContext",
"ReflectResultContext",
"RetainContext",
"RetainResult",
"ValidationResult",
# Operation Validator - Consolidation
"ConsolidateContext",
"ConsolidateResult",
# Operation Validator - Mental Model
"MentalModelGetContext",
"MentalModelGetResult",
"MentalModelRefreshResult",
# Tenant/Auth
"ApiKeyTenantExtension",
"AuthenticationError",
"RequestContext",
"Tenant",
"TenantContext",
"TenantExtension",
]