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…t 1.19) Adds RegisterSandboxScope2 and RetireSandboxScope2 so a host serving many subjects plans sandboxes per subject without growing the init-only scope table. Runtime scopes audit on their own host-persisted stream under the stream-pin rules of runtime approval scopes (now a shared StreamPins), the table is bounded without evicting live scopes, and retirement discards every artifact the scope issued. Co-authored-by: Medulla <medulla@tinyhumans.ai>
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Merge Risk: 🔵 Low · up to
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| Check name | Status | Explanation | Resolution |
|---|---|---|---|
| Docstring Coverage |  |
Docstring coverage is 56.44% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 101 functions across 22 files. (2 skipped… | Write docstrings for the functions missing them to satisfy the coverage threshold. |
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Check name Status Explanation Description Check Check skipped - CodeRabbit’s high-level summary is enabled. Title check The title clearly and concisely describes the main change: adding runtime sandbox scopes for unbounded subjects under contract 1.19. Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request.
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Docstring coverage is 56.44% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 101 functions across 22 files. (2 skipped: 2 unsupported.)
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Write docstrings for the functions missing them to satisfy the coverage threshold.
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I’m a rabbit with a scope to bind,
A stream kept steady, neat, and kind.
I hop through plans, then artifacts fade,
When retired scopes leave the glade.
New paths wait where safe rules grow,
And audit streams keep what they know.
Comment @coderabbitai help to get the list of available commands.
Co-authored-by: Medulla <medulla@tinyhumans.ai>
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Actionable comments posted: 1
- 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @crates/tinysecurity-sandbox/src/registry.rs:
- Line 74: Update the issued-capacity check in stage to enforce separate pools:
count runtime-scope rows against MAX_ISSUED minus 1,024, and initialized-scope
rows against 1,024. Determine each row’s pool from its scope classification so
runtime artifacts cannot consume initialized scopes’ reserved capacity.
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📒 Files selected for processing: 24
MODULE.mdREADME.mdcrates/tinysecurity-bus/src/lib.rscrates/tinysecurity-bus/src/names.rscrates/tinysecurity-bus/src/sandbox_scopes.rscrates/tinysecurity-bus/src/sandbox_scopes_tests.rscrates/tinysecurity-bus/tests/scoped_wire.rscrates/tinysecurity-bus/tests/wire.rscrates/tinysecurity-module/src/adapter.rscrates/tinysecurity-module/src/adapter_sandbox.rscrates/tinysecurity-module/src/adapter_sandbox_scopes.rscrates/tinysecurity-module/src/adapter_sandbox_scopes_tests.rscrates/tinysecurity-module/src/adapter_sandbox_tests.rscrates/tinysecurity-module/src/adapter_tests.rscrates/tinysecurity-module/src/approval_callbacks.rscrates/tinysecurity-module/src/approval_callbacks_tests.rscrates/tinysecurity-module/src/lib.rscrates/tinysecurity-module/src/stream_pins.rscrates/tinysecurity-module/src/stream_pins_tests.rscrates/tinysecurity-sandbox/src/engine.rscrates/tinysecurity-sandbox/src/error/mod.rscrates/tinysecurity-sandbox/src/lib.rscrates/tinysecurity-sandbox/src/registry.rscrates/tinysecurity-sandbox/src/runtime_scopes_tests.rs
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Tiny Sweeper reviewTiny Sweeper reviewed this change across 5 lane(s) and found 0 active actionable finding(s). Detailed lane evidence and any incomplete work are listed below. State: Incomplete Review snapshot
Completeness: Incomplete FeaturesNone identified with supported citations. TestsNo supported feature-to-test mapping was produced. Test execution is not inferred. FindingsNo active actionable findings. Lower-confidence notes
Could not review: README.md, crates/tinysecurity-bus/src/lib.rs, crates/tinysecurity-bus/src/sandbox_scopes.rs, crates/tinysecurity-bus/src/sandbox_scopes_tests.rs, crates/tinysecurity-bus/tests/wire.rs, crates/tinysecurity-module/src/adapter.rs, crates/tinysecurity-module/src/adapter_sandbox.rs, crates/tinysecurity-module/src/adapter_sandbox_scopes.rs, crates/tinysecurity-module/src/adapter_sandbox_scopes_tests.rs, crates/tinysecurity-module/src/approval_callbacks.rs, crates/tinysecurity-module/src/approval_callbacks_tests.rs, crates/tinysecurity-module/src/lib.rs, crates/tinysecurity-module/src/stream_pins.rs, crates/tinysecurity-module/src/stream_pins_tests.rs, crates/tinysecurity-sandbox/src/engine.rs, crates/tinysecurity-sandbox/src/error/mod.rs, crates/tinysecurity-sandbox/src/lib.rs, crates/tinysecurity-sandbox/src/registry.rs, crates/tinysecurity-sandbox/src/runtime_scopes_tests.rs Before merge
How this fits togetherflowchart LR
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Agent review detailscritique
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Evidence and run details
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tinysweeper found nothing blocking, but could not review everything, so this is not an approval: MODULE.md, crates/tinysecurity-bus/src/lib.rs, crates/tinysecurity-bus/src/names.rs, crates/tinysecurity-bus/src/sandbox_scopes.rs, crates/tinysecurity-bus/src/sandbox_scopes_tests.rs, crates/tinysecurity-bus/tests/scoped_wire.rs, crates/tinysecurity-bus/tests/wire.rs, crates/tinysecurity-module/src/adapter.rs and 17 more.
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…pes; retired runtime audits never fall back to the base stream Co-authored-by: Medulla <medulla@tinyhumans.ai>
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tinysweeper found nothing blocking. Approving.
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| if !table | ||
| .get(&artifact.scope_id) | ||
| .is_some_and(|scope| scope.facts.subject == artifact.subject) |
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When a host-network plan is in flight, its runtime scope can be retired after reserve_host_network consumes an approval and immediately re-registered under the same ID, subject, and stream with a changed or removed approval_scope_id. This check accepts the old artifact because it compares only the scope ID and subject; the retirement purge occurred before the artifact was staged, and later validation does not bind the artifact to approval_scope_id. The old approval can therefore activate and be consumed under the replacement scope. Bind candidates to the exact scope incarnation or immutable facts so retirement invalidates every in-flight candidate.
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tinysweeper could not review the latest push, so its earlier approval no longer speaks for this pull request.
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tinysweeper found nothing blocking, but could not review everything, so this is not an approval: README.md, crates/tinysecurity-bus/src/lib.rs, crates/tinysecurity-bus/src/sandbox_scopes.rs, crates/tinysecurity-bus/src/sandbox_scopes_tests.rs, crates/tinysecurity-bus/tests/wire.rs, crates/tinysecurity-module/src/adapter.rs, crates/tinysecurity-module/src/adapter_sandbox.rs, crates/tinysecurity-module/src/adapter_sandbox_scopes.rs and 11 more.
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1 participant
Unblocks tinyhumansai/openhuman#7328 / #7331 phase 5: the host cannot call
Plan2for an unbounded set of profiles/agents because sandbox scopes are init-only, capped at 128, and each scope's subject must equal the single audit scope's subject.What changes
RegisterSandboxScope2andRetireSandboxScope2, withSandboxScopeReceipt2carrying the subject handle (asAuditSink2receives it) only when the registration asks, never on retirement. Mirrors runtime approval scopes (1.17/1.18).unchanged; the same identity with other facts conflicts; initialized scopes can never be retired.stage(purge under the table lock), so nothing of a retired scope can be checked or consumed, including after the same identity registers again.AuditSink2under its own subject and host-persisted stream (never a native journal). The stream-pin rules of runtime approval scopes (live subject keeps its stream; retired subject keeps it for an hour) are extracted into a sharedStreamPins, used by approvals and sandbox; the approval pin test now setspins.max/ttlinstead of the old fields. Several scope identities may share a subject; its stream is released when the last retires.approval_scope_idmust name a live approval scope of the same subject.Verification
cargo fmt --check,cargo clippy --all-targets --all-features -D warnings,cargo test --all-features, rustdoc-D warningsall pass locally. Per-file line coverage of the new/changed files is at or above 90% (adapter_sandbox_scopes.rs 96, stream_pins.rs 100, engine.rs 99, registry.rs 97, sandbox_scopes.rs 100).Summary by CodeRabbit