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Self-Evolution 2.0.0 turns the skill into a lightweight, maintained project wiki for agentic engineering. The host harness owns task state, planning, tools, and permissions; the skill routes and verifies durable project knowledge, resolves stale or conflicting claims, and turns useful experience into scoped future actions. Codex, Claude Code, and OpenCode integration guidance is included, with optional adapters kept separate from the core skill.
The standard/core release gate passed against the frozen previous-v2 baseline and three paired public runs on 1302-1. LongMemEval cleaned full scored 90.8% for this release versus 88.2% for the baseline (+2.6 points). LongMemEval-V2 small scored 7.32% versus 9.31% (-1.996 points), within the declared 2-point overall tolerance; its low absolute score and narrow margin remain explicit limitations. All six read-only Codex, Claude Code, and OpenCode engineering execution/review samples passed. The 17,215-file evidence bundle can be validated offline from the repository.
Validation: npm run ci, npm run eval:external:test (127 tests), kb check, skill validation, and npm audit passed. GitHub CI passed on Ubuntu and Windows: https://github.com/D1ChangGeng/self-evolution/actions/runs/34706933619.
The private integrated campaign remains pending under the optional private profile. The V2 pilot uses text state evidence and bounded lexical trajectory selection; it does not establish screenshot-dependent CodexMemory compatibility or broad end-to-end engineering quality. The model endpoint exposed an alias rather than an immutable build, so the release gate uses three complete paired runs and per-question majority results.
Commit: f56bff3c24cafa1ca1b976d24f3b512d3bf0e5f4
Skill subject SHA-256: 315cb30f1bf7dbb0446a8ab5436764dbfb0ff830e5b95762b8300306b225f952
Bundled CLI SHA-256: 96ad0fde0c34535f29115199f24440e16fa74506dea47c120e3df37bb9b84daf
Public evidence archive SHA-256: 3b95f0a23a3342e60a435a33a78eaffc454019f1cf9e96062c62945c4c4a75e0
For v1 projects, start with the migration guide. New installations require Node.js 22 or newer for the bundled kb CLI.