Browser fix

[ollmer]

1. fix browser context existence check
2. better loop logging
3. fix tool descriptions as actions() already provides classes not objects
4. import docling DL models only when used to avoid issues whe running without gpu

Description by Korbit AI

What change is being made?

• Fix action description formatting by using action names instead of class names in tools_description.
• Add a per-loop unique identifier (loop_id) for log messages and update log output to reference the loop instead of the tape turn.
• Improve browser resource teardown by ensuring the browser context is non-null before closing.
• Adjust docling converters to lazy-import dependencies, moving certain imports inside methods to avoid early import-time side effects and potential circular imports.

Why are these changes being made?

Improve log clarity and reliability during multi-loop runs, ensure proper browser shutdown without risking null context access, and reduce import-time coupling in converters for safer, more maintainable initialization.

Is this description stale? Ask me to generate a new description by commenting /korbit-generate-pr-description

[korbit-ai]

Review by Korbit AI

Korbit automatically attempts to detect when you fix issues in new commits.

Category	Issue	Status
	Insufficient detail in agent step logging ▹ view
	Repeated import in method execution ▹ view

Files scanned

​

File Path	Reviewed
tapeagents/environment.py	✅
tapeagents/orchestrator.py	✅
tapeagents/tools/converters.py	✅
tapeagents/tools/browser.py	✅

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[rafapi]

LGTM