Phase 1: ContentRouter (Magika ML) + LogCompressor (17 tests) Phase 2: JsonCrusher + DiffCompressor (15 tests) Phase 3: CacheAligner + CcrStore (18 tests) Phase 4: TextCompressor + env config + PromptBuilder integration (12 tests) All 114 mem-core tests passing. Project progress: 61/76 complete (80%), 7/13 gates green.