Document cache optimization results and create production workflow plan

Description

Document the staging build caching results and create a detailed plan for applying the same optimizations to the production build workflow if staging results meet performance targets

Acceptance Criteria

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• #1 Performance improvement results are documented with before/after metrics,Cost savings in GitHub Actions minutes are calculated and documented,Analysis of Docker registry storage impact is provided,Detailed plan for production workflow optimization is created,Recommendations for cache retention policies and cleanup strategies are provided,Documentation includes rollback procedures if issues arise

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