feat:add instrumentation mem0

[sunym1991]

Description

This PR adds comprehensive instrumentation for Mem0, a memory management system for AI applications. The changes include a complete test suite with unit tests, integration tests, and VCR-based HTTP recording/playback tests to validate the instrumentation implementation.

Key changes:

• Adds tox test environment configuration for mem0 instrumentation
• Implements comprehensive test suite covering utility functions, metrics, extractors, configuration, and instrumentor functionality
• Includes VCR-based integration tests for both Memory and MemoryClient operations
• Provides test fixtures and configuration for OpenTelemetry span/metric/log collection

Fixes #73

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Add unit tests.

Does This PR Require a Core Repo Change?

• Yes. - Link to PR:
• No.

Checklist:

See contributing.md for styleguide, changelog guidelines, and more.

• Followed the style guidelines of this project
• Changelogs have been updated
• Unit tests have been added
• Documentation has been updated

[CLAassistant]

All committers have signed the CLA.

[Copilot]

Pull request overview

This PR adds comprehensive instrumentation for Mem0, a memory management system for AI applications. The changes include a complete test suite with unit tests, integration tests, and VCR-based HTTP recording/playback tests to validate the instrumentation implementation.

Key changes:

• Adds tox test environment configuration for mem0 instrumentation
• Implements comprehensive test suite covering utility functions, metrics, extractors, configuration, and instrumentor functionality
• Includes VCR-based integration tests for both Memory and MemoryClient operations
• Provides test fixtures and configuration for OpenTelemetry span/metric/log collection

Reviewed changes

Copilot reviewed 46 out of 49 changed files in this pull request and generated 28 comments.

Show a summary per file

File	Description
tox-loongsuite.ini	Adds test and lint environments for mem0 instrumentation
test_util.py	Tests for utility functions (string handling, type conversion, extraction)
test_thread_pool_handler.py	Tests for ThreadPool context propagation
test_metrics.py	Tests for metrics container and recording
test_memory_operations_vcr.py	VCR integration tests for Memory operations with fake dependencies
test_memory_operations_record_vcr.py	VCR integration tests using recorded HTTP cassettes
test_memory_client_vcr.py	VCR tests for MemoryClient (managed API) operations
test_memory_client_errors_vcr.py	VCR tests for HTTP error scenarios
test_instrumentor.py	Tests for instrumentation lifecycle and wrapping
test_extractors.py	Tests for attribute extraction from operations
test_config.py	Tests for configuration functions and environment variables
conftest.py	Shared fixtures, fake classes, and VCR configuration
cassettes/*.yaml	VCR cassettes for HTTP recording/playback
test-requirements.txt	Test dependencies specification
pytest-min.ini	Minimal pytest configuration

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[Cirilla-zmh]

Great PR! Several comments need to be resolved before merging this. Thanks!

[Cirilla-zmh]

LGTM

[123liuziming]

LGTM