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Skills-Vault Request: Routing Behavior Diff Audit

Date: 2026-06-19

Requested supplier repository:

C:\Users\wangq\Documents\Codex\skills-vault

Requesting CCPE artifacts:

agents/agent-specs/ccra-local-reviewer.agent.md
runtimes/hybrid/ccra-local-review.runtime.md

1. Capability Name

routing-behavior-diff-audit

2. Product / Runtime Context

Local CCRA review must detect non-target behavior changes after selector, routing, QPI, or model-governance rule changes.

The first consumer is The Mindscape of Bro Tsong selector and regression workflow, but the operation should remain reusable for any rules-based routing system.

3. Repeated Action Or Friction Point

After a routing patch, humans often inspect only targeted cases. Local CCRA needs a full before/after behavior diff so it can identify collateral changes, unexpected no-call changes, category shifts, and cases that require calibration discussion.

4. Inputs

Expected input:

before_results_path: file or directory containing prior routing outputs
after_results_path: file or directory containing post-change routing outputs
case_id_field: configurable field name
route_field: configurable field name
optional_expected_route_field: configurable field name

The Skill should support JSON and Markdown summary inputs when feasible, but JSON should be the first stable target.

5. Expected Outputs

Write or return:

total_cases_compared
unchanged_cases
changed_cases
targeted_changes
non_target_changes
new_failures
resolved_failures
missing_before_cases
missing_after_cases
diff_table
machine_readable_summary

Preferred output files when called by a runtime:

routing-behavior-diff.md
routing-behavior-diff.json

6. Allowed Actions

Read specified before/after result files.
Compare case IDs and routing classifications.
Write diff reports to the caller-specified review run directory.

7. Forbidden Actions

Do not edit selector rules.
Do not edit regression cases.
Do not update expected labels.
Do not decide whether a patch should close.
Do not infer product meaning beyond the deterministic diff.

8. Validation Expectation

The Skill should include tests for:

unchanged full set
targeted route changes
non-target collateral changes
case missing in before
case missing in after
changed no-call status
UTF-8 paths and Chinese filenames

9. Reusability Rationale

This is a deterministic comparison operation. CCRA judgment about whether a change is acceptable belongs in the Agent / Runtime layer; the diff engine belongs in skills-vault.

Example non-CCRA consumers:

knowledge-vault:
  Compare topic routing or source-block classification before and after rule changes.

writing-workbench:
  Compare reviewer assignment, source routing, or section classification after workflow rule changes.

video-workbench:
  Compare scene, asset, or script-beat routing after production taxonomy changes.

ccpe-system:
  Compare Agent, Skill, Runtime, or model-index classification results after taxonomy or rubric updates.

development repositories:
  Compare issue triage, intent classification, feature-flag routing, or rules-based dispatcher behavior before and after patches.

10. Current Blocked Task

Local CCRA can manually read reports, but full collateral behavior detection should become a reusable automation Skill before formal high-volume use.

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