chore: install Intake Sequencing Governance v0.1.0

[hindermath]

Summary

• install the optional Intake Sequencing Governance v0.1.0 preset at priority 66
• generate six series-management commands on the configured agent surfaces
• synchronize the canonical maintenance profile and learner-facing workflow guidance
• refresh the reproducible project statistics after the adoption commit

Validation

• exact eleven-preset matrix: PASS
• sequencing Bash/PowerShell parity and negative fixtures: PASS
• git diff --check: PASS
• diff-based gitleaks result: high=0
• project statistics renderer: CURRENT

Boundaries

This is an optional governance installation. It does not change product code or intake content, start Specify or Autonomous, grant remote authority, or infer dependency edges.