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Nexus v2.5.0 — Accountable Goal Execution
This stable minor release adds an operator-supervised path from a goal to a grounded plan, explicitly approved constrained repository actions, independent outcome validation, and evidence-bound Knowledge updates. It covers Phases 1–6 and builds on the v2.0.0 constitutional spine.
The controlled Phase 6 pilot used one operator and five disposable fixture repositories. P1–P3 passed independent evidence checks and were rated useful; the deliberately incorrect P4 was rejected; P5 required review because its required JUnit report was missing. The operator reported zero false denials. All five runs retained complete event lineage; backup/restore and fresh-process replay were verified.
The strict live-Claude suite passed 3,261 tests with -W error, zero warnings, and zero skips. The pilot is limited evidence: it does not establish reliability on arbitrary repositories, sustained operation, or autonomous repair. The deterministic Intent route needed a recorded software-domain prefix for each pilot request. The v1 and v2 codebases remain independent; this release neither migrates v1 data nor introduces a durable schema migration.
Release scope and evidence: v2.5.0 release report, Phase 6 review, and changelog.