docs(concepts): durable agents / disposable compute + isolation & egress (RIG-2795) - #657
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docs(concepts): durable agents / disposable compute + isolation & egress (RIG-2795)#657rigel-mintaka wants to merge 2 commits into
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…ess (RIG-2795) Two load-bearing runtime principles lived only in the `docs/designs/` ledger, not in `docs/concepts/` — the primary orientation surface. This captures them as first-class concept pages, grounded in the frozen decision records. ### Durable agents, disposable compute The agent and its session are durable and Server-owned (Postgres hot-tail + S3-compatible cold archive); the container/microVM it runs in is disposable and dies with the session. Resume reconstructs the transcript into a fresh sandbox — the agent never notices new hardware. Covers the container → microVM substrate move as an isolation upgrade that leaves the durability contract unchanged. (ledger DL-024, DL-063/084/085/086/087/088/089/093) ### Isolation and egress Model-written code is contained, not trusted: a per-agent sandbox (rootless-podman container today → hardware-virtualized microVM end state) with default-deny nftables egress and no server credential. (ledger DL-024/076, DL-235/259; `go/internal/runtime/egress.go`) Both pages are wired into `docs/concepts/README.md` and the top-level README's Agent concepts list. markdownlint clean. Spec-impact: none. Refs RIG-2795 Co-authored-by: Matt Wilkinson <matt@rigel.build>
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Compass engineering docs preview: https://compass-server-rig-2795-runt.compass-eng-docs.pages.dev Deployed from Changed pages: |
Review found a citation to DL-063, which is not only superseded (by DL-084 → DL-093) but describes the REVERSED agent-direct-to-S3 model — the opposite of this page's thesis that the agent holds no storage credentials. Drop it; the active DL-093 alone supports the two-tier Server-owned store. Also collapse three lineage-paired citations (DL-084/DL-085/DL-086) to their active successors (DL-093/DL-089/DL-087) so no citation points a reader at a row stamped 'Superseded by'. Spec-impact: none. Refs RIG-2795 Co-authored-by: Matt Wilkinson <matt@rigel.build>
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Two load-bearing runtime principles lived only in the
docs/designs/ledger, not indocs/concepts/— the primary orientation surface. This captures them as first-class concept pages, grounded in the frozen decision records.Durable agents, disposable compute
The agent and its session are durable and Server-owned (Postgres hot-tail + S3-compatible cold archive); the container/microVM it runs in is disposable and dies with the session. Resume reconstructs the transcript into a fresh sandbox — the agent never notices new hardware. Covers the container → microVM substrate move as an isolation upgrade that leaves the durability contract unchanged. (ledger DL-024, DL-063/084/085/086/087/088/089/093)
Isolation and egress
Model-written code is contained, not trusted: a per-agent sandbox (rootless-podman container today → hardware-virtualized microVM end state) with default-deny nftables egress and no server credential. (ledger DL-024/076, DL-235/259;
go/internal/runtime/egress.go)Both pages are wired into
docs/concepts/README.mdand the top-level README's Agent concepts list. markdownlint clean.Spec-impact: none. Refs RIG-2795
Co-authored-by: Matt Wilkinson matt@rigel.build