Fix python installation instructions

[rsbryan]

why

Initial instructions didn't mention uv or pip prerequisites and also didn't mention venv. Fix reduces friction on first timers.

what changed

• added link to install uv
• added details for initializing venv
• adjusted code example respectively

test plan

docs change

[changeset-bot]

⚠️ No Changeset found

Latest commit: c6acf3e

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[derekmeegan]

LGTM

[greptile-apps]

Greptile Summary

This PR improves the Python installation instructions by adding essential setup steps that were previously missing. The changes reduce friction for first-time users by providing clear guidance on virtual environment setup and package management tools.

Key improvements:

• Added link to uv installation guide for users unfamiliar with the tool
• Added "Initialize virtual environment" section with examples for both uv and pip workflows
• Updated Python code example to use Pydantic BaseModel instead of dictionary-based schema, improving type safety
• Fixed result access pattern from result["title"] to result.title to match the Pydantic model structure

Confidence score: 5/5

• This PR is safe to merge with no risk
• Documentation-only changes that improve clarity and accuracy of installation instructions without affecting any runtime code
• No files require special attention

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