feat: switch from hatch-vcs to uv-dynamic-versioning

[johnnygreco]

📋 Summary

Switches version management from hatch-vcs to uv-dynamic-versioning to enable dynamic inter-package dependency pinning using the {{ version }} template syntax. This ensures that when packages are published, internal dependencies (e.g., data-designer-config, data-designer-engine) are automatically pinned to the same version.

Verified: Publishing workflow tested successfully with TestPyPI.

🔄 Changes

🔧 Changed

• data-designer-config: Migrated from hatch-vcs to uv-dynamic-versioning
• data-designer-engine: Added dynamic dependencies with data-designer-config=={{ version }}
• data-designer: Added dynamic dependencies with data-designer-config=={{ version }} and data-designer-engine=={{ version }}
• Removed auto-generated _version.py files in favor of importlib.metadata approach

📚 Docs

• Updated VERSIONING.md to reflect the new versioning approach and standard importlib.metadata access pattern

🔍 Attention Areas

⚠️ Reviewers: Please pay special attention to the following:

• packages/data-designer-engine/pyproject.toml - Dependencies moved under [tool.hatch.metadata.hooks.uv-dynamic-versioning] with dynamic {{ version }} pinning
• packages/data-designer/pyproject.toml - Same pattern applied to top-level package

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🤖 Generated with AI

[greptile-apps]

Greptile Overview

Greptile Summary

Migrates version management from hatch-vcs to uv-dynamic-versioning to enable dynamic inter-package dependency pinning using the {{ version }} template syntax.

Key Changes:

• Updated all three packages (data-designer-config, data-designer-engine, data-designer) to use uv-dynamic-versioning>=0.7.0
• Added [tool.hatch.metadata.hooks.uv-dynamic-versioning] sections to data-designer-engine and data-designer packages with {{ version }} template syntax for internal dependencies
• Removed [tool.hatch.build.hooks.vcs] configuration and auto-generated _version.py files
• Updated VERSIONING.md to document the new approach and recommend importlib.metadata.version() for version access

How it works:
When packages are published, the {{ version }} template in dependencies like data-designer-config=={{ version }} gets replaced with the actual version tag (e.g., data-designer-config==0.1.0), ensuring all internal packages are pinned to the same release version.

Testing:
According to the PR description, the publishing workflow was successfully tested with TestPyPI.

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The migration from hatch-vcs to uv-dynamic-versioning is implemented correctly across all packages. The configuration follows proper patterns, the documentation is updated appropriately, and the PR author has already tested the publishing workflow with TestPyPI. The changes are isolated to versioning configuration with no code logic modifications.
• No files require special attention

Important Files Changed

Filename	Overview
VERSIONING.md	Updated documentation to reflect migration from hatch-vcs to uv-dynamic-versioning with correct importlib.metadata usage pattern
packages/data-designer-config/pyproject.toml	Migrated build system from hatch-vcs to uv-dynamic-versioning, removed auto-generated _version.py configuration
packages/data-designer-engine/pyproject.toml	Migrated to uv-dynamic-versioning and added dynamic {{ version }} pinning for data-designer-config dependency
packages/data-designer/pyproject.toml	Migrated to uv-dynamic-versioning and added dynamic {{ version }} pinning for both internal package dependencies

Sequence Diagram

sequenceDiagram
    participant Dev as Developer
    participant Git as Git Repository
    participant UV as uv build/publish
    participant Hook as uv-dynamic-versioning Hook
    participant PyPI as PyPI Registry

    Dev->>Git: git tag v0.1.0
    Dev->>Git: git push origin v0.1.0
    Dev->>UV: uv build
    
    UV->>Hook: Request version from hook
    Hook->>Git: Read latest git tag
    Git-->>Hook: v0.1.0
    Hook->>Hook: Replace {{ version }} templates<br/>in dependencies section
    Note over Hook: data-designer-config=={{ version }}<br/>→ data-designer-config==0.1.0
    Hook-->>UV: Return version=0.1.0<br/>with resolved dependencies
    
    UV->>UV: Build packages with<br/>pinned internal deps
    UV-->>Dev: Build artifacts created<br/>(data-designer-0.1.0.tar.gz, etc.)
    
    Dev->>UV: uv publish
    UV->>PyPI: Upload packages with<br/>version-locked dependencies
    PyPI-->>UV: Published successfully
    UV-->>Dev: All packages published

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