[copilot-test] Multi-commit test from Copilot

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Multi-Commit Test Pull Request

This PR was created by Copilot to test the multi-commit functionality in agentic workflows.

Changes Made

This PR contains exactly 4 commits:

1. Added README-test.md with project description
2. Added test-script.js with JavaScript hello function
3. Added config.json with test configuration
4. Added test.log with timestamp

Each change was made in a separate commit to test that git am properly applies all commits from the patch file, not just the first one.

Haiku about Multi-Commits

Git commits aligned,
Each change builds upon the last—
Patch preserves them all.

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