feat(readiness): Add APM (Agent Package Manager) awareness to ai-tooling pillar

[danielmeppiel]

Summary

Add APM (Agent Package Manager) detection to the ai-tooling readiness pillar so that agentrc readiness scores repositories on whether they use APM for managing AI agent primitives.

Motivation

APM (microsoft/apm) is the package manager for AI agent primitives (instructions, prompts, agents, skills). AgentRC and APM are complementary: agentrc generates high-quality, repo-aware agent primitives, while APM distributes them across teams via dependency resolution.

Adding APM awareness to readiness scoring:

• Creates a natural adoption funnel for both tools
• Helps developers discover APM when they run agentrc readiness
• Recognises repos that have adopted package management for their agent configs
• Scores locked dependencies and CI integration as higher maturity signals

Proposed Criteria

ID	Title	Level	Impact	Effort	Check
apm-config	APM package manifest present	2	medium	low	Detect apm.yml at repo root
apm-locked-deps	APM dependencies locked	3	medium	low	Detect apm.lock.yaml at repo root
apm-ci-integration	APM integrated in CI pipeline	4	high	medium	Scan .github/workflows/*.yml for apm audit or apm install commands

All three belong to the ai-tooling pillar. Failure messages include a recommendation pointing to APM docs.

Implementation

• Add checker functions to packages/core/src/services/readiness/checkers.ts
• Add criteria to packages/core/src/services/readiness/criteria.ts (after copilot-skills, before area-scoped criteria)
• Add unit tests to src/services/__tests__/readiness.test.ts