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Mark per-milestone review as an M1 experiment

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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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kyle
2026-09-17 01:09:08 -07:00
co-authored by Claude Fable 5.1
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@@ -6,7 +6,7 @@ Newest first. A decision that changes `docs/design.md` lands in the same commit
| Date | Decision | Reason |
|---|---|---|
| 2026-09-17 | Tool results are untrusted by default: each grant has `untrusted`, default true, and `brokerd` tracks a per-session untrusted flag beside taint. Review of Laguna's work is once per milestone, and Laguna keeps `docs/implementer-log.md`. | Owner's choices during the pre-M1 design review. Details in `docs/specs/2026-09-17-pre-m1-design.md`. |
| 2026-09-17 | Tool results are untrusted by default: each grant has `untrusted`, default true, and `brokerd` tracks a per-session untrusted flag beside taint. Review of Laguna's work is once per milestone, as an experiment for M1 to be revisited after the M1 review. Laguna keeps `docs/implementer-log.md`. | Owner's choices during the pre-M1 design review. Details in `docs/specs/2026-09-17-pre-m1-design.md`. |
| 2026-09-17 | Threat model: the main adversary is injected text steering the model. Secondary: any one role process or tool container is compromised, and the goal is containment. `brokerd` trusts nothing `loopd` reports beyond the request itself and tracks session taint on its own. | Owner's choice. It matches the role split the brief already has. |
| 2026-09-17 | Mattermost and the tailnet are trusted. A Mattermost compromise presumes the whole machine is compromised and is out of scope. Forged approvals are therefore out of scope, and there is no per-grant approval-path field. An accidental secret or PII leak into Mattermost is an accepted risk in v0. | Owner: Mattermost sits behind a single-user tailnet with ACLs. |
| 2026-09-17 | Data classes: every session starts at `private`. A `secret` result raises it to `secret`. `public` is a provenance label and never lowers a session. The grant that authorises a call names the class of its results (default `private`); tools never label their own output. A grant's allowed data classes are the highest session taint under which it applies. Unattended egress is controlled by grant mode, not by lowering the floor. | `memory/core.md` is in every baseline, so no session is really public. Job-scoped grants are left to M5. |