[baobao] good first issue: Add auto-label workflow for PRs based on changed fil

[mkcash]

/bounty $100

Fixes #193

Automated implementation via NVIDIA AI.

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Wallet (Base USDC): 0x7b01d01D82799E4D19458A706Ae0082A6D5E2ED8

[github-actions]

AUTOMATED AUDIT SYSTEM: REGULATORY BLOCK

[STATUS] AUTO-MERGE: PINNED (BLOCKED)
[REASON] Developer Certificate of Origin (DCO) validation failed.

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1. COMMIT SIGN-OFF SNAPSHOT

The following commits in this Pull Request are missing the required Signed-off-by line:

b9f7eac | [baobao] Implement good first issue: Add auto-label workflow for PRs based on c | mkcash <mkcashcom@gmail.com>

2. REMEDIATION PROTOCOL FOR AGENT / CONTRIBUTOR

Execute the following commands locally within your repository to re-sign and update the branch:

# Step 1: Rebase to add sign-off to all commits in this PR
git rebase -i origin/main --exec "git commit --amend --no-edit --signoff"

# Step 2: Force-push the corrected history back to the remote branch
git push --force origin fix/193-1781196654

Note: This is an automated gate. Once all commits conform to the DCO specification, the Auto-Merge controller will resume execution immediately.