Synchronize released plugin bundles for 1.0.5

[xeonvs]

Summary

• import engineering-workflow 0.9.5 from annotated tag v0.9.5
• import tgrep-search 1.0.3 from annotated tag v1.0.3
• update exact immutable provenance, bundle digests, and generated version documentation
• preserve the active release record for marketplace 1.0.5 completion

Validation

• 16 marketplace tests passed
• catalog validation passed
• both recorded upstream bundles were fetched and byte-verified
• Codex plugin and Claude marketplace/plugin validation passed
• diff and fully redacted Gitleaks tree/all-ref scans passed

This is the release-bearing marketplace synchronization. It does not alter unrelated plugins or hand-edit installed caches.