docs(m3-exit): M3 retrospective + TODO closure#52
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Closes M3 — User Environment (Plan §7.4). 8 PRs since m2-exit (#44 – #51), 303 workspace tests passing (up from M2's 267). Phase 7 is wired end-to-end: pearlite-userenv adapter (HM + Nix installer) → diff classifier emits UserEnvSwitch when HM-enabled users drift → engine dispatches the switch via HomeManagerBackend → state.toml's [[managed.user_env]] upserts the (user, generation, config_hash) triple. The next plan re-reads, sees no drift, emits no action — the loop closes. Three M3 carry-overs roll into M4: 1. Wire LiveNixInstaller as apply-time / bootstrap caller; ADR for where the installer script + SHA come from. 2. apply_plan ApplyOpts struct (9-arg signature past comfort). 3. Per-user nix.conf ADR. Other TODOs remain: forgotten_count field, envelope-shape freeze, fork-based fs crash tests, state.toml parse benchmark, KernelInfo population, ADR-001..007 backfill. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Closes M3 — User Environment (Plan §7.4).
m2-exit(feat(userenv): HomeManagerBackend trait + LiveHmBackend + MockHmBackend #44 – test(vm): vm-07 user-env apply + vm-08 user-env drift #51).pearlite-userenvfilled out from PR feat(userenv): HomeManagerBackend trait + LiveHmBackend + MockHmBackend #44 onward.Phase 7 is wired end-to-end:
pearlite-userenvadapter (HomeManagerBackend+NixInstaller)UserEnvSwitchwhen HM-enabled users drift (sha256 over the config dir)HomeManagerBackendstate.toml's[[managed.user_env]]upserts the(user, generation, config_hash)tripleM4 carry-overs
LiveNixInstalleras the apply-time / bootstrap caller (PR feat(userenv): NixInstaller trait + LiveNixInstaller + MockNixInstaller #45 shipped the adapter without a wired caller). Needs an ADR for where the installer script + SHA come from.apply_planparameter struct (9-arg signature past the comfort line).nix.confADR.Test plan
pearlite-audit check .passes.git tag -s m3-exit -m "M3 — User Environment"on the merge commit per Plan §3.4.🤖 Generated with Claude Code