feat: BI-6687 add base temporal worker app

[ovsds]

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[Copilot]

Pull Request Overview

This PR introduces a base temporal worker application framework that provides standardized application lifecycle management, HTTP health check endpoints, and integration with Temporal workflow engine.

Key changes:

• Adds singleton decorator utilities for caching function/method results
• Implements base app framework with startup/shutdown/main lifecycle callbacks
• Integrates aiohttp HTTP server with liveness and readiness health probes
• Adds temporal worker application mixins for workflow/activity execution
• Refactors test structure and adds comprehensive integration tests

Reviewed Changes

Copilot reviewed 23 out of 27 changed files in this pull request and generated 10 comments.

Show a summary per file

File	Description
lib/dl_temporal/pyproject.toml	Adds dependencies for aiohttp, dl-json, and dl-settings to support new app framework
lib/dl_temporal/dl_temporal/utils/singleton.py	Implements singleton decorators for functions and class methods to cache results
lib/dl_temporal/dl_temporal_tests/utils/test_singleton.py	Comprehensive tests for singleton decorator functionality
lib/dl_temporal/dl_temporal/utils/app/base.py	Core app framework with lifecycle management (startup/shutdown/main) and error handling
lib/dl_temporal/dl_temporal/utils/app/models.py	Defines Callback model for app lifecycle hooks
lib/dl_temporal/dl_temporal/utils/app/exceptions.py	Custom exceptions for app lifecycle errors
lib/dl_temporal/dl_temporal/utils/app/__init__.py	Exports base app utilities (includes incorrect exports)
lib/dl_temporal/dl_temporal/utils/aiohttp/*.py	aiohttp integration with health check handlers and response utilities
lib/dl_temporal/dl_temporal/app/temporal.py	Temporal worker app mixins for workflow/activity integration
lib/dl_temporal/dl_temporal/app/aiohttp.py	HTTP server app mixins with route configuration
lib/dl_temporal/dl_temporal/app/base.py	Composition of temporal and HTTP server app functionality
lib/dl_temporal/dl_temporal_tests/db/app/conftest.py	Test fixtures for temporal worker app integration tests
lib/dl_temporal/dl_temporal_tests/db/app/test_handlers.py	Tests for HTTP health check handlers
lib/dl_temporal/dl_temporal_tests/db/app/test_worker.py	Integration test for workflow execution
lib/dl_temporal/dl_temporal_tests/db/activities.py	Test activity implementation
lib/dl_temporal/dl_temporal_tests/db/workflows.py	Updates import path for activities

Comments suppressed due to low confidence (3)

lib/dl_temporal/dl_temporal/utils/app/init.py:20

• The name 'BaseCompositeApplication' is exported by all but is not defined.

    "BaseCompositeApplication",

lib/dl_temporal/dl_temporal/utils/app/init.py:21

• The name 'BaseCompositeApplicationSettings' is exported by all but is not defined.

    "BaseCompositeApplicationSettings",

lib/dl_temporal/dl_temporal/utils/app/init.py:22

• The name 'BaseCompositeApplicationFactory' is exported by all but is not defined.

    "BaseCompositeApplicationFactory",

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[Copilot]

Pull Request Overview

Copilot reviewed 22 out of 26 changed files in this pull request and generated 2 comments.

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