E1Era 1 — Monolith MEMORY.mdpre-thread
Single MEMORY.md, no structure
E2Era 2 — Daily Note Splitpre-thread
MEMORY.md split across daily notes
E3Era 3 — Domain Summariespre-thread
Topic-grouped memory summaries
E4Era 4 — Memory Evolution Pipeline2026-02-23 to 2026-03-08
Birth of the L1.5 auto/ intake layer and memory_janitor.py. First time the system moved from raw observations to structured auto/pending/ en
▸ 8 milestones · first: memory/auto/pending/ L1.5 layer created
E5Era 5 — Builtin Hybrid Memory2026-03-09 to 2026-03-14
BM25+vector+temporal decay hybrid search replacing QMD as primary retrieval. Era naming system coined (Eras 1-5 named in a single Paw recap)
▸ 3 milestones · first: Era 5 builtin hybrid memory search LIVE — BM25+vector+temporal decay
E6Era 6 — KERNEL.md Three-Tier Architecture2026-03-15 to 2026-04-19
MEMORY.md 291→34 lines (-75% tokens). Three-tier: KERNEL.md (43 lines frozen) + 6 domain summaries + memory_search (unlimited). Shadow mode
▸ 26 milestones · first: Era 6 P0: KERNEL.md extracted, MEMORY.md 291→34 lines
E7Era 7 — Wiki-Native Synthesis + Identity Recovery2026-04-20 to 2026-05-17
memory-wiki native activation (60 files, wiki sources 24→84). Verify-first gates (claim-extractor + memory-inject). Identity crisis: MEMORY.
▸ 19 milestones · first: Memory-Wiki Native Activation — Phase 10 complete (Rex r5 APPROVED)
E8Era 8 — Self-Improving Loop Crystallization + Perfect Recall2026-05-18 to 2026-05-31
Memory reaches 100% recall (104/104) for the first time. Phantom-option detection hardened after mcp-memory ghost incident. verify-claims.sh
▸ 20 milestones · first: Discord archive cron upgraded: daily → 15-min smart polling (Rex APPROVED)
E9Era 9 — Generative Emergence (Spark Log + Hypothesis Synthesis)2026-06-01 to 2026-06-03
First deliberately GENERATIVE memory layer. Until E8 everything was reactive (record what happened) plus recombination; consolidation was Op
▸ 16 milestones · first: spark.sh + emergence-pass.py built — generative memory layer v1 live (job 3922)