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feat(sandbox): cross-family file sandbox — one policy home, sandboxed fs provider, fs escalation parity

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Extend SandboxMode enforcement from bash to the filesystem tools, the sandbox
RFC's deferred cross-family phase.

- dsh-sandbox-policy (new, ctx.sandboxPolicy): the single home for the
  deployment default mode + workspaceRoot and the per-session override event,
  renamed bash/sandbox-mode -> sandbox/mode and moved here with its fold/setter.
  Decouples the bash seam from dsh-session.
- dsh-fs-sandbox (new): SandboxedFileSystem extends LocalFileSystem and fences
  write/edit by the per-call mode (read-only denies, workspace-write contains to
  the workspace + temp roots via the shared writableRoots, danger passes
  through); reads pass through. Structured FS_SANDBOX_DENIED; in-lock parent
  re-canonicalization. A policy fence in trusted code, not a kernel boundary.
- dsh-sandbox: the shared escalation kit (writableRoots, the strictly-wider
  ladder, denial/hint markers, approveEscalation) both tool families use;
  approveEscalation takes a structural approver so dsh-sandbox gains no
  approval/agent dependency, and both tools stay duplication-free.
- tool-fs: write/edit advertise sandbox_permissions/justification under a
  confining ctx.fs, map FS_SANDBOX_DENIED to the shared [sandbox: ...] marker,
  and resolve the same one-approved-wider retry.
- examples/acp-agent: composes sandbox-policy + fs-sandbox, drops the gating
  that disabled the fs stack under confined modes.

RFC docs/rfc/implemented/feature/2026-07-14-cross-family-fs-sandbox.md; the old
sandbox RFC's In-process/deferred/FAQ sections updated to shipped fact.
This commit is contained in:
kingwl
2026-07-14 20:05:57 +08:00
parent c3137b5474
commit 2dc62497ce
100 changed files with 2238 additions and 385 deletions
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49
docs/module-graph.md
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@@ -35,6 +35,7 @@ flowchart TD
pkg_fs["fs"]
pkg_fs_local["fs-local"]
pkg_fs_policy["fs-policy"]
pkg_fs_sandbox["fs-sandbox"]
pkg_tool_fs["tool-fs"]
end
subgraph group_skill["packages/skill"]
@@ -113,6 +114,7 @@ flowchart TD
subgraph group_sandbox["packages/sandbox"]
pkg_sandbox["sandbox"]
pkg_sandbox_local["sandbox-local"]
pkg_sandbox_policy["sandbox-policy"]
end
subgraph group_workflow["packages/workflow"]
pkg_tool_workflow["tool-workflow"]
@@ -128,8 +130,6 @@ flowchart TD
pkg_session --> pkg_scope
pkg_system_prompt --> pkg_llm
pkg_system_prompt --> pkg_scope
pkg_fs --> pkg_brand
pkg_fs --> pkg_llm
pkg_web --> pkg_llm
pkg_sandbox --> pkg_llm
pkg_agent --> pkg_brand
@@ -139,11 +139,9 @@ flowchart TD
pkg_agent --> pkg_system_prompt
pkg_bash --> pkg_brand
pkg_bash --> pkg_sandbox
pkg_bash --> pkg_session
pkg_fs_local --> pkg_fs
pkg_fs_policy --> pkg_fs
pkg_skill_local --> pkg_fs
pkg_skill_local --> pkg_skill
pkg_fs --> pkg_brand
pkg_fs --> pkg_llm
pkg_fs --> pkg_sandbox
pkg_compact --> pkg_llm
pkg_compact --> pkg_session
pkg_web_fetch_local --> pkg_timeout
@@ -156,8 +154,14 @@ flowchart TD
pkg_llm_replay --> pkg_session
pkg_sandbox_local --> pkg_llm
pkg_sandbox_local --> pkg_sandbox
pkg_sandbox_policy --> pkg_sandbox
pkg_sandbox_policy --> pkg_session
pkg_bash_local --> pkg_bash
pkg_bash_local --> pkg_timeout
pkg_fs_local --> pkg_fs
pkg_fs_policy --> pkg_fs
pkg_skill_local --> pkg_fs
pkg_skill_local --> pkg_skill
pkg_compact_basic --> pkg_agent
pkg_compact_basic --> pkg_compact
pkg_compact_basic --> pkg_llm
@@ -196,8 +200,14 @@ flowchart TD
pkg_bash_sandbox --> pkg_bash
pkg_bash_sandbox --> pkg_bash_local
pkg_bash_sandbox --> pkg_sandbox
pkg_bash_sandbox --> pkg_sandbox_policy
pkg_fs_sandbox --> pkg_fs
pkg_fs_sandbox --> pkg_fs_local
pkg_fs_sandbox --> pkg_sandbox
pkg_fs_sandbox --> pkg_sandbox_policy
pkg_permission --> pkg_bash
pkg_permission --> pkg_sandbox
pkg_permission --> pkg_sandbox_policy
pkg_permission --> pkg_session
pkg_permission --> pkg_user_approval
pkg_agent_loop --> pkg_agent
@@ -209,16 +219,19 @@ flowchart TD
pkg_agent_loop --> pkg_tools
pkg_tool_bash --> pkg_agent
pkg_tool_bash --> pkg_bash
pkg_tool_bash --> pkg_llm
pkg_tool_bash --> pkg_sandbox
pkg_tool_bash --> pkg_sandbox_policy
pkg_tool_bash --> pkg_system_prompt
pkg_tool_bash --> pkg_tools
pkg_tool_bash --> pkg_user_approval
pkg_tool_fs --> pkg_fs
pkg_tool_fs --> pkg_llm
pkg_tool_fs --> pkg_sandbox
pkg_tool_fs --> pkg_sandbox_policy
pkg_tool_fs --> pkg_session
pkg_tool_fs --> pkg_system_prompt
pkg_tool_fs --> pkg_tools
pkg_tool_fs --> pkg_user_approval
pkg_tool_skill --> pkg_agent
pkg_tool_skill --> pkg_llm
pkg_tool_skill --> pkg_skill
@@ -350,14 +363,11 @@ flowchart TD
| [`llm-pi-ai`](../packages/llm/llm-pi-ai) | `llm` | [`llm`](../packages/llm/llm) |
| [`session`](../packages/core/session) | `core` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope) |
| [`system-prompt`](../packages/core/system-prompt) | `core` | [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope) |
| [`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), [`scope`](../packages/core/scope), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) |
| [`bash`](../packages/bash/bash) | `bash` | [`brand`](../packages/util/brand), [`sandbox`](../packages/sandbox/sandbox), [`session`](../packages/core/session) |
| [`fs-local`](../packages/fs/fs-local) | `fs` | [`fs`](../packages/fs/fs) |
| [`fs-policy`](../packages/fs/fs-policy) | `fs` | [`fs`](../packages/fs/fs) |
| [`skill-local`](../packages/skill/skill-local) | `skill` | [`fs`](../packages/fs/fs), [`skill`](../packages/skill/skill) |
| [`bash`](../packages/bash/bash) | `bash` | [`brand`](../packages/util/brand), [`sandbox`](../packages/sandbox/sandbox) |
| [`fs`](../packages/fs/fs) | `fs` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox) |
| [`compact`](../packages/compact/compact) | `compact` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session) |
| [`web-fetch-local`](../packages/web/web-fetch-local) | `web` | [`timeout`](../packages/util/timeout), [`web`](../packages/web/web) |
| [`web-search-deepseek`](../packages/web/web-search-deepseek) | `web` | [`web`](../packages/web/web) |
@@ -366,7 +376,11 @@ flowchart TD
| [`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) |
| [`sandbox-policy`](../packages/sandbox/sandbox-policy) | `sandbox` | [`sandbox`](../packages/sandbox/sandbox), [`session`](../packages/core/session) |
| [`bash-local`](../packages/bash/bash-local) | `bash` | [`bash`](../packages/bash/bash), [`timeout`](../packages/util/timeout) |
| [`fs-local`](../packages/fs/fs-local) | `fs` | [`fs`](../packages/fs/fs) |
| [`fs-policy`](../packages/fs/fs-policy) | `fs` | [`fs`](../packages/fs/fs) |
| [`skill-local`](../packages/skill/skill-local) | `skill` | [`fs`](../packages/fs/fs), [`skill`](../packages/skill/skill) |
| [`compact-basic`](../packages/compact/compact-basic) | `compact` | [`agent`](../packages/core/agent), [`compact`](../packages/compact/compact), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) |
| [`hook-protocol`](../packages/hooks/hook-protocol) | `hooks` | [`bash`](../packages/bash/bash), [`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) |
@@ -377,11 +391,12 @@ flowchart TD
| [`user-interaction`](../packages/ui/user-interaction) | `ui` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm) |
| [`workflow`](../packages/workflow/workflow) | `workflow` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm) |
| [`tools`](../packages/core/tools) | `core` | [`agent`](../packages/core/agent), [`code-runtime`](../packages/code-runtime/code-runtime), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`user-approval`](../packages/ui/user-approval) |
| [`bash-sandbox`](../packages/bash/bash-sandbox) | `bash` | [`bash`](../packages/bash/bash), [`bash-local`](../packages/bash/bash-local), [`sandbox`](../packages/sandbox/sandbox) |
| [`permission`](../packages/ui/permission) | `ui` | [`bash`](../packages/bash/bash), [`sandbox`](../packages/sandbox/sandbox), [`session`](../packages/core/session), [`user-approval`](../packages/ui/user-approval) |
| [`bash-sandbox`](../packages/bash/bash-sandbox) | `bash` | [`bash`](../packages/bash/bash), [`bash-local`](../packages/bash/bash-local), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy) |
| [`fs-sandbox`](../packages/fs/fs-sandbox) | `fs` | [`fs`](../packages/fs/fs), [`fs-local`](../packages/fs/fs-local), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy) |
| [`permission`](../packages/ui/permission) | `ui` | [`bash`](../packages/bash/bash), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy), [`session`](../packages/core/session), [`user-approval`](../packages/ui/user-approval) |
| [`agent-loop`](../packages/core/agent-loop) | `core` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) |
| [`tool-bash`](../packages/bash/tool-bash) | `bash` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`user-approval`](../packages/ui/user-approval) |
| [`tool-fs`](../packages/fs/tool-fs) | `fs` | [`fs`](../packages/fs/fs), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) |
| [`tool-bash`](../packages/bash/tool-bash) | `bash` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`user-approval`](../packages/ui/user-approval) |
| [`tool-fs`](../packages/fs/tool-fs) | `fs` | [`fs`](../packages/fs/fs), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`user-approval`](../packages/ui/user-approval) |
| [`tool-skill`](../packages/skill/tool-skill) | `skill` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`skill`](../packages/skill/skill), [`tools`](../packages/core/tools) |
| [`subagent`](../packages/subagent/subagent) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope), [`tools`](../packages/core/tools) |
| [`tool-web`](../packages/web/tool-web) | `web` | [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`web`](../packages/web/web) |