Add get_version for CodeAlive Skills v3

[rodion-m]

Summary

• add offline get_version.py method backed by a packaged VERSION file
• return stable JSON for installed-version discovery
• document the method and enforce parity with the plugin manifest

Verification

• pytest tests -v (10 passed)
• python skills/codealive-context-engine/scripts/get_version.py

[gemini-code-assist]

Code Review

This pull request introduces a new get_version.py script to retrieve and output the installed CodeAlive skill version as JSON without requiring authentication or network requests. It also adds a VERSION file, updates the documentation, and includes corresponding unit tests. The review feedback suggests adding error handling to get_version.py to gracefully handle cases where the VERSION file is missing or unreadable by catching OSError and returning a fallback value of 'unknown'.

Important

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[gemini-code-assist]

If the VERSION file is missing or unreadable (e.g., due to permission issues or incomplete installation), read_text() will raise an unhandled exception and crash the script. Since this script is a diagnostic utility, it should handle OSError gracefully and return a fallback value like "unknown".

Suggested change

	def get_version() -> str:
	"""Return the current installed skill version."""
	return VERSION_FILE.read_text(encoding="utf-8").strip()
	def get_version() -> str:
	"""Return the current installed skill version."""
	try:
	return VERSION_FILE.read_text(encoding="utf-8").strip()
	except OSError:
	return "unknown"