feat: deliver v1.8.0 harness reliability and parity updates

skills/ralphinho-rfc-pipeline/SKILL.md

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+---
+name: ralphinho-rfc-pipeline
+description: RFC-driven multi-agent DAG execution pattern with quality gates, merge queues, and work unit orchestration.
+origin: ECC
+---
+
+# Ralphinho RFC Pipeline
+
+Inspired by [humanplane](https://github.com/humanplane) style RFC decomposition patterns and multi-unit orchestration workflows.
+
+Use this skill when a feature is too large for a single agent pass and must be split into independently verifiable work units.
+
+## Pipeline Stages
+
+1. RFC intake
+2. DAG decomposition
+3. Unit assignment
+4. Unit implementation
+5. Unit validation
+6. Merge queue and integration
+7. Final system verification
+
+## Unit Spec Template
+
+Each work unit should include:
+- `id`
+- `depends_on`
+- `scope`
+- `acceptance_tests`
+- `risk_level`
+- `rollback_plan`
+
+## Complexity Tiers
+
+- Tier 1: isolated file edits, deterministic tests
+- Tier 2: multi-file behavior changes, moderate integration risk
+- Tier 3: schema/auth/perf/security changes
+
+## Quality Pipeline per Unit
+
+1. research
+2. implementation plan
+3. implementation
+4. tests
+5. review
+6. merge-ready report
+
+## Merge Queue Rules
+
+- Never merge a unit with unresolved dependency failures.
+- Always rebase unit branches on latest integration branch.
+- Re-run integration tests after each queued merge.
+
+## Recovery
+
+If a unit stalls:
+- evict from active queue
+- snapshot findings
+- regenerate narrowed unit scope
+- retry with updated constraints
+
+## Outputs
+
+- RFC execution log
+- unit scorecards
+- dependency graph snapshot
+- integration risk summary