[SDK] Update Python SDK with fern

[jp-agenta]

Description

• Updated the fern readme.md file.
• Updated Python SDK using fern.
• Updated SDK (tracing) based on the above.

QA

• both in oss local and in cloud.staging.agenta.ai

Checklist

• serve custom app, from CLI
• get app config, from SDK
• re-serve app, from CLI
• test custom app, from Playground

Acceptance Criteria

• variant being created, in Overview view
• config being retrieved, in local code
• inline trace being shown, in Playground view
• traces being shown, in Observability view

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
agenta	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 28, 2024 3:27pm
agenta-documentation	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 28, 2024 3:27pm

[jp-agenta]

oss fails because oss.agenta.ai is failing.

[aybruhm]

Thank you for the fix, @jp-agenta! All 128 files changes LGTM. 🫡

[aybruhm]

QA Report

Deployment:

• Publish pre-release to PyPI
• Deploy to staging environment

Checklist:

• Serve custom app, from CLI
• Get app config, from SDK
• Re-serve app, from CLI
• Test custom app, from Playground

Acceptance Criteria:

• Variant successfully created, in Overview view
• Config retrieved correctly, in local code
• Inline trace displayed as expected, in Playground view
• Traces visible and accurate, in Observability view

All items in the checklist have been verified, and acceptance criteria for this PR have been met.