chore(release): publish v0.0.6 source update

[shushushv]

Summary

• Publish the reviewed public source update for v0.0.6.
• Include release metadata, Go coverage governance checks, expanded regression coverage, and aligned RTC documentation MCP invocation identity.
• Public tree: c6375889aa4dc29ca533da4cf70495bc2e32e869, public files: 203.

Test plan

• ./scripts/sync-to-github.sh --source 398594257423a9f1546f01c601a5cbdc2f0c21af --remote github --base-branch main --expected-base 012740f --branch audit/opensource-20260813 --author-name shushushu --author-email 45039815+shushushv@users.noreply.github.com --message "chore(release): publish v0.0.6 source update"
• ./scripts/sync-to-github.sh ... --push-review