Display application version in footer using uv-dynamic-versioning

[Copilot]

Adds version display to page footers for the rolling release model. Uses uv-dynamic-versioning to automatically generate version strings from git metadata.

Changes

Version Display

• Footer shows Powered by Malla v{version} on all pages via template context injection
• /health and /info endpoints return dynamic version

Build System

• Migrated to uv-dynamic-versioning for automatic version management
• Configured PEP440 style with git metadata: 0.0.0.post3.dev0+abc1234.dirty
• Auto-generates src/malla/_version.py during build via Hatch hook
• Fallback to 0.1.0 for non-git environments (PyPI installs)

Implementation

# src/malla/__init__.py
try:
    from ._version import __version__  # Generated by uv-dynamic-versioning
except ImportError:
    __version__ = "0.1.0.dev0+unknown"

def get_version():
    return __version__

# pyproject.toml
[build-system]
requires = ["hatchling", "uv-dynamic-versioning"]

[tool.uv-dynamic-versioning]
vcs = "git"
style = "pep440"
metadata = true
dirty = true
fallback-version = "0.1.0"

Removed manual subprocess git calls in favor of build-time version generation. Check version with uvx uv-dynamic-versioning.

Original prompt

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This section details on the original issue you should resolve

<issue_title>Feature Request: Show version</issue_title>
<issue_description>It would be nice if Malla showed the version on the bottom of the pages.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Feature Request: Show version #51

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