fix(plugins): sync all 171 plugin SKILL.md files with fixed skills/ versions

Propagates Anti-Patterns sections, description rewrites, Required Inputs
additions, and Quality Checks format fixes from skills/ to matching plugin
SKILL.md copies.

https://claude.ai/code/session_01MuGKn3a3Gbqoe8uM5Lmuqt

plugins/pm-engineering/skills/api-versioning-strategy/SKILL.md

@@ -301,6 +301,14 @@ builders and response parsers.
 - [ ] Do not set a sunset date without confirming it is achievable for the largest consumer — a sunset that forces consumers to miss a legal deadline will be ignored or escalated
 - [ ] Do not maintain more than two simultaneous stable/deprecated versions — each additional supported version multiplies maintenance burden and consumer confusion
 - [ ] Do not use "monitor traffic" as the sole mechanism for knowing when all consumers have migrated — track named consumers against migration completion explicitly
+- [ ] Do not skip the migration guide — consumers will delay migration indefinitely without a step-by-step guide that estimates effort
+
+## Quality Checks
+
+- [ ] Versioning scheme recommendation includes explicit rationale tied to the API type and consumer type provided — not a generic recommendation
+- [ ] Breaking-change table covers at minimum: field removal, field rename, type change, making optional field required, endpoint removal, enum expansion, and default value change
+- [ ] Deprecation timeline durations are filled in with concrete values, not left as abstract placeholders
+- [ ] All three communication artifacts are present: initial deprecation notice, 30-day warning, and migration guide template
 - [ ] Sunset response headers (`Deprecation`, `Sunset`, `Link`) use correct RFC date format and real URL structure
 - [ ] SDK versioning alignment table is present and ties SDK major versions explicitly to API major versions
 - [ ] Maximum simultaneous supported versions is stated with a concrete number