Document Browser local LLM setup

[Naseem77]

Summary\n- Document cloud/API key vs local LLM setup for Browser Chat\n- Add Ollama and LM Studio defaults and troubleshooting notes\n- Update Browser overview/navigation wording for LLM connection prerequisites\n\n## Testing\n- git diff --check

Summary by CodeRabbit

• Documentation
  • Expanded Chat and LLM connection setup guidance, including cloud (API key) vs local LLM (Ollama/LM Studio), where to configure it, status indicators, defaults for local endpoints, and troubleshooting/FAQ updates.
  • Clarified that the Graphs CHAT toggle requires an active LLM connection plus a selected model.
  • Updated Settings and the browser Settings “Browser settings” row to include Chat LLM connection setup alongside existing Chat/query options.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 5367afc0-775b-43ff-9448-5c568285932e

📥 Commits

Reviewing files that changed from the base of the PR and between eb73959 and 0a8241e.

📒 Files selected for processing (1)

• .wordlist.txt

🚧 Files skipped from review as they are similar to previous changes (1)

• .wordlist.txt

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📝 Walkthrough

Walkthrough

Documentation updates across browser UI pages clarify Chat’s LLM connection setup, including cloud/API key and local LLM options, status indicators, endpoints, FAQs, and related terminology.

Changes

Chat LLM Connection Setup Documentation

Layer / File(s)	Summary
Settings page LLM connection section browser/ui/settings.md	Documents cloud/API key and local LLM sources, Saved/Pending status, local endpoints, model configuration, and the related FAQ.
Chat panel prerequisites and FAQ browser/ui/chat-panel.md	Explains LLM connection requirements, connection types, indicator behavior, local endpoints, and local-provider usage.
Navigation, index, and terminology updates browser/ui/navigation.md, browser/index.md, .wordlist.txt	Updates Chat prerequisites and FAQs, adds the connection setup reference to Browser settings, and adds DeepSeek, LM, and xAI to the wordlist.

Estimated code review effort: 2 (Simple) | ~10 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the main change: documenting Browser local LLM setup.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch naseem77/local-llm-browser-docs

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