Support Threads for LG

[janosSarusiKis]

Description

Support for Threads and Thread Runs endpoints.
https://spec.acp.agntcy.org/docs/openapi.html#tag/threads
https://spec.acp.agntcy.org/docs/openapi.html#tag/thread-runs
Thread:

• Create Empty
• Search
• Get history
• Copy
• Get
• Delete

Thread Runs

• List
• Get
• Get with wait for result
• Delete
• Create
• Create and wait for output

Storage level changes to store thread info.

Type of Change

• Bugfix
• New Feature
• Breaking Change
• Refactor
• Documentation
• Other (please describe)

Checklist

• I have read the contributing guidelines
• Existing issues have been referenced (where applicable)
• I have verified this change is not present in other open pull requests
• Functionality is documented
• All code style checks pass
• New code contribution is covered by automated tests
• All new and existing tests pass

[github-actions]

Dependency Review

The following issues were found:

• ✅ 0 vulnerable package(s)
• ✅ 0 package(s) with incompatible licenses
• ✅ 0 package(s) with invalid SPDX license definitions
• ⚠️ 2 package(s) with unknown licenses.

See the Details below.

License Issues

poetry.lock

Package	Version	License	Issue Type
psycopg	3.2.6	Null	Unknown License
langgraph-checkpoint-postgres	2.0.21	Null	Unknown License

Denied Licenses: AGPL-1.0, AGPL-3.0

OpenSSF Scorecard

Package	Version	Score	Details
pip/langgraph-checkpoint-postgres	2.0.21	Unknown	Unknown
pip/psycopg	3.2.6	Unknown	Unknown
pip/psycopg-pool	3.2.6	Unknown	Unknown

Scanned Files

• poetry.lock

[mtrinell]

Actually we should get agent_info by agent_id coming from the API, but I see this is not there today (not for all calls). I guess that should be fixed in the API Specs @aduminuc ?

[mtrinell]

lgtm