Fix token usage statistics and image viewing in Profiler Agent

[dagardner-nv]

Description

• Adopt fix from Fix react-markdown image display NeMo-Agent-Toolkit-UI#78 for image viewing in the UI
• Adopt updated v1.0.2 of langchain-nvidia-ai-endpoints fixes an issue where we weren't receiving token usage stats from NIM models.

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Summary by CodeRabbit

• Chores
  • Updated nat-ui submodule to latest version
  • Upgraded langchain-nvidia-ai-endpoints dependency to v1.0.2

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[coderabbitai]

Walkthrough

Two configuration updates: a submodule pointer update for the nat-ui external dependency and a patch version bump for the langchain-nvidia-ai-endpoints package dependency. No code logic or behavior changes.

Changes

Cohort / File(s)	Summary
Submodule pointer update external/nat-ui	Submodule commit hash updated from bc0a319 to b32c589. No behavioral impact.
Dependency version bump packages/nvidia_nat_langchain/pyproject.toml	Patch version update: langchain-nvidia-ai-endpoints from ~=1.0.1 to ~=1.0.2.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Title check	✅ Passed	The PR title 'Fix token usage statistics and image viewing in Profiler Agent' accurately summarizes the main changes: updating langchain-nvidia-ai-endpoints dependency to fix token usage statistics and adopting a UI fix for image viewing, matching the PR objectives.

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✨ Finishing touches

• 📝 Generate docstrings

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[dagardner-nv]

/merge