fix: resolve AstrBot runtime version from package metadata

[zouyonghe]

Summary

• support AstrBot tags where default.py assigns VERSION from astrbot.version
• keep the existing static VERSION parser for tags that define VERSION directly
• add regression coverage for VERSION = version

Why

The Build Desktop Tauri workflow now reaches prepare:resources for v4.26.1, but AstrBot v4.26.1 uses VERSION = version in astrbot/core/config/default.py. The existing parser only accepted quoted static VERSION values and failed before resource builds.

Validation

• pnpm run test:prepare-resources
• node --input-type=module -e "import { validateAstrbotRuntimeVersion } from './scripts/prepare-resources/version-sync.mjs'; await validateAstrbotRuntimeVersion({ sourceDir: '/var/folders/cw/k87qlccd33n262h66_dpbhl80000gn/T/opencode/astrbot-v4.26.1', expectedVersion: '4.26.1' }); console.log('runtime version ok');"

Co-Authored-By: Warp agent@warp.dev

Summary by Sourcery

Improve AstrBot runtime version resolution to support both static VERSION definitions and versions sourced from the package metadata.

Bug Fixes:

• Ensure AstrBot runtime VERSION can be resolved when default.py assigns VERSION = version instead of a static string.

Tests:

• Add regression test coverage for resolving VERSION from the AstrBot package version alongside existing static VERSION handling.

[sourcery-ai]

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[gemini-code-assist]

Code Review

This pull request introduces support for resolving the AstrBot runtime version when it is dynamically assigned from the package's version in astrbot/init.py rather than being a static string. It also updates the test suite to cover this new behavior. The feedback suggests enhancing the regular expression used to detect this assignment so that it optionally supports the astrbot. prefix (e.g., VERSION = astrbot.version), ensuring robust matching.

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[gemini-code-assist]

The PR description mentions supporting cases where default.py assigns VERSION from astrbot.__version__. However, the current regular expression only matches __version__ directly. To fully support both VERSION = __version__ and VERSION = astrbot.__version__ as described, we should make the astrbot. prefix optional in the regex.

Suggested change

	if (/^\s*VERSION\s*=\s*__version__\s*(?:#.*)?$/m.test(content)) {
	if (/^\s*VERSION\s*=\s*(?:astrbot\.)?__version__\s*(?:#.*)?$/m.test(content)) {