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feat(sandbox): the confinement seam and the per-platform native runner chains

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ctx.sandbox (dsh-sandbox): confine(argv, policy) returns the argv to spawn
instead — wrapped so the process and its children run confined — plus the
enforcement completeness and the backend denial/runner-failure dialects;
no usable backend throws the fail-closed SANDBOX_UNAVAILABLE. Policy rides
per call. dsh-sandbox-local selects by platform and caches the verdict:
multi-candidate chains probe FUNCTIONALLY in preference order (Linux:
bwrap → the registry-installed node-addon-landlock-run launcher), a sole
candidate is selected unprobed (darwin: sandbox-exec/Seatbelt) and fails
closed at execution via runnerFailureSignatures; win32 is a reserved empty
chain. Profile parity is honest per backend (documented temp-area and ABI
differences; enforcement full|partial is a structured result fact).

CI: the sandbox-e2e matrix proves real-kernel confinement per rung (bwrap,
Landlock per architecture through the registry-installed launcher,
Seatbelt), failing on a silent all-skip; the packed-install rehearsal
installs the launcher family from the registry and asserts the binary
executable apart from kernel enforcement.
This commit is contained in:
kingwl
2026-07-09 15:42:37 +08:00
parent 80d8726601
commit 7b8c3a9b40
30 changed files with 2007 additions and 3 deletions
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9
docs/module-graph.md
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@@ -98,6 +98,10 @@ flowchart TD
subgraph group_guard["packages/guard"]
pkg_repeat_tool_guard["repeat-tool-guard"]
end
subgraph group_sandbox["packages/sandbox"]
pkg_sandbox["sandbox"]
pkg_sandbox_local["sandbox-local"]
end
subgraph group_workflow["packages/workflow"]
pkg_tool_workflow["tool-workflow"]
pkg_workflow["workflow"]
@@ -116,6 +120,7 @@ flowchart TD
pkg_fs --> pkg_brand
pkg_fs --> pkg_llm
pkg_web --> pkg_llm
pkg_sandbox --> pkg_llm
pkg_agent --> pkg_brand
pkg_agent --> pkg_llm
pkg_agent --> pkg_session
@@ -134,6 +139,8 @@ flowchart TD
pkg_session_persistence --> pkg_session
pkg_llm_replay --> pkg_llm
pkg_llm_replay --> pkg_session
pkg_sandbox_local --> pkg_llm
pkg_sandbox_local --> pkg_sandbox
pkg_compact_basic --> pkg_agent
pkg_compact_basic --> pkg_compact
pkg_compact_basic --> pkg_llm
@@ -288,6 +295,7 @@ flowchart TD
| [`bash-local`](../packages/bash/bash-local) | `bash` | [`bash`](../packages/bash/bash), [`timeout`](../packages/util/timeout) |
| [`fs`](../packages/fs/fs) | `fs` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm) |
| [`web`](../packages/web/web) | `web` | [`llm`](../packages/llm/llm) |
| [`sandbox`](../packages/sandbox/sandbox) | `sandbox` | [`llm`](../packages/llm/llm) |
| [`agent`](../packages/core/agent) | `core` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) |
| [`fs-local`](../packages/fs/fs-local) | `fs` | [`fs`](../packages/fs/fs) |
| [`fs-policy`](../packages/fs/fs-policy) | `fs` | [`fs`](../packages/fs/fs) |
@@ -299,6 +307,7 @@ flowchart TD
| [`hook-protocol`](../packages/hooks/hook-protocol) | `hooks` | [`bash`](../packages/bash/bash), [`session`](../packages/core/session) |
| [`session-persistence`](../packages/session-persistence/session-persistence) | `session-persistence` | [`session`](../packages/core/session) |
| [`llm-replay`](../packages/support/llm-replay) | `support` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session) |
| [`sandbox-local`](../packages/sandbox/sandbox-local) | `sandbox` | [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox) |
| [`compact-basic`](../packages/compact/compact-basic) | `compact` | [`agent`](../packages/core/agent), [`compact`](../packages/compact/compact), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) |
| [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) |
| [`session-persistence-sqlite`](../packages/session-persistence/session-persistence-sqlite) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) |