Set up template for Claude integration

[blooop]

This commit adds complete support for Claude Code online environment:

• Add .claude/hooks/SessionStart: Automatically sets up pixi and dependencies
• Add .claude/README.md: Comprehensive documentation for Claude Code usage
• Add .claude/activate.sh: Manual environment activation script
• Update README.md: Add Claude Code section with quick start guide

The SessionStart hook automatically:

• Installs pixi package manager if not present
• Installs all project dependencies via pixi
• Sets up pre-commit hooks
• Configures git merge drivers

This enables immediate development in Claude Code online without manual setup.

Summary by Sourcery

Enable seamless development in Claude Code by automating environment setup via pixi including dependencies installation, pre-commit hook and git configuration, plus provide a manual activation script and documentation.

New Features:

• Add SessionStart hook for Claude Code to auto-install pixi, project dependencies, pre-commit hooks, and configure git on session start
• Add activate.sh script for manual pixi environment activation in Claude Code

Documentation:

• Update root README with Claude Code quick-start guide
• Add .claude/README.md with detailed configuration instructions for Claude Code

[sourcery-ai]

Reviewer's Guide

This PR introduces a complete Claude Code integration template by adding a new .claude folder with automated environment setup hooks, a manual activation script, and detailed documentation, and updates the main README with quick-start instructions for Claude Code online.

Sequence diagram for automated environment setup in Claude Code

sequenceDiagram
    actor User
    participant "Claude Code"
    participant "SessionStart Hook"
    participant "Pixi"
    participant "Pre-commit"
    participant "Git"
    User->>"Claude Code": Open repository online
    "Claude Code"->>"SessionStart Hook": Start session
    "SessionStart Hook"->>"Pixi": Check/install pixi
    "SessionStart Hook"->>"Pixi": Install dependencies
    "SessionStart Hook"->>"Pre-commit": Set up hooks
    "SessionStart Hook"->>"Git": Configure merge drivers
    "SessionStart Hook"-->>"Claude Code": Environment ready
    "Claude Code"-->>User: Ready to run pixi commands

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Class diagram for new Claude integration scripts

classDiagram
    class SessionStart {
        +installPixi()
        +installDependencies()
        +setupPreCommitHooks()
        +configureGitMergeDrivers()
    }
    class ActivateSh {
        +activatePixiEnv()
        +showAvailableCommands()
        +checkPixiInstalled()
    }
    SessionStart <.. ActivateSh : "manual activation fallback"

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File-Level Changes

Change	Details	Files
Add .claude directory with integration scripts and documentation	Create SessionStart hook for automated setup Add manual activation script Add detailed Claude Code README	.claude/hooks/SessionStart .claude/activate.sh .claude/README.md
Implement automated environment setup in SessionStart hook	Install pixi if missing Install project dependencies via pixi Configure pre-commit hooks and git merge drivers	.claude/hooks/SessionStart
Update root README with Claude Code section	Add Claude Code Online Support section Outline quick start steps Link to manual activation and detailed docs	README.md

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[sourcery-ai]

Hey there - I've reviewed your changes and they look great!

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