51 lines
2.3 KiB
Markdown
51 lines
2.3 KiB
Markdown
# LAYERS
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Deferred capability layers for the Mosaic experiment. Only L0 is implemented by
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this proof of concept; everything below it is documented here and deliberately
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not implemented (see BRIEF.md, "Explicit exclusions").
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## L0 — Implemented: container returns MOSAIC_HELLO_OK
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One image (`mosaic-poc-agent:0.84.4`, built on digest-pinned `node:24.22.2-bookworm-slim`, non-root,
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pinned Pi) runs one Pi agent one-shot. Four immutable local contract files are
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loaded in fixed order into the generated system prompt
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(`/var/lib/mosaic/private/system-prompt.md`, private to that container). One real model request is sent
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noninteractively; the response must equal `MOSAIC_HELLO_OK` exactly or the
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verification exits nonzero. Authentication is supplied at runtime only
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(read-only mounted pi auth file, or a provider API key environment variable).
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## L1 — Deferred: persist and resume a named Pi session
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Keep a named Pi session across container runs (`--name`, session storage under
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`/var/lib/mosaic`), resume it with the documented session flags, and verify
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state survives a container restart.
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## L2 — Deferred: fixed tool permission policy
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Add a fixed allow/deny policy for Pi tools (e.g. restricting built-in tools via
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documented `--tools` / `--exclude-tools` or an extension-based permission gate),
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so contract files can constrain what the agent may do, not just what it says.
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## L3 — Deferred: load full versioned contract bundles
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Replace the four static fixtures with versioned contract bundles: bundle
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manifests, contract versions, and deterministic ordering/hashing, loaded from
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an immutable bundle artifact instead of files copied at image build time.
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## L4 — Deferred: Claude as a second runtime
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Add a second runtime (Claude) alongside the Pi agent in the same container
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stack, behind the same contract-loading path, to compare behavior across
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runtimes.
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## L5 — Deferred: multiple agents and communication
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Run several named agents with defined roles and a communication channel between
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them (message passing or shared state under `/var/lib/mosaic`).
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## L6 — Deferred: orchestration, knowledge storage, and portal features
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Fleet-level orchestration, knowledge storage, monitoring, and portal UI on top
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of L1-L5. This is where the existing Mosaic Stack concepts would be re-evaluated
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from first principles.
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