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feat(spill): add tool-output spill seam, local backend, and policy

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Oversized plain-text tool results now spill to a session-scoped file and
return a bounded preview plus the spill path, so a verbose result stays
readable via `read` without consuming the next model request in full.

- dsh-spill: minimal SpillFiles seam (saveText → session-scoped SpillPath)
- dsh-spill-local: private 0700 session dirs, traversal-safe names, exclusive
  owner-only writes
- dsh-spill-policy: tools/post-execute transformer; no-op unless maxInlineBytes
  is set; skips read; best-effort on save failure (never turns a success into
  an isError)

web_fetch is the showcase — no tool-specific spill code. The coding-agent
example loads the stack so its keyless Loader smoke guards the namespace-plugin
export shape. Snapshot gap for a transcript-visible web_fetch spill is recorded
in the RFC's Consequences (ACP replay is keyless and cannot hit the web).
This commit is contained in:
Dudu-0223
2026-07-08 19:20:50 +08:00
parent 4f2f34c6fd
commit 463b72ce96
36 changed files with 1549 additions and 1 deletions
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pnpm-lock.yaml generated
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@@ -555,6 +555,71 @@ importers:
specifier: ^4.0.0-rc.6
version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4)
packages/spill/spill:
devDependencies:
'@deepseek-ai/dsh-brand':
specifier: workspace:^
version: link:../../util/brand
'@deepseek-ai/dsh-llm':
specifier: workspace:^
version: link:../../llm/llm
'@deepseek-ai/dsh-session':
specifier: workspace:^
version: link:../../core/session
cordis:
specifier: ^4.0.0-rc.6
version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4)
packages/spill/spill-local:
dependencies:
schemastery:
specifier: ^3.18.0
version: 3.18.0
devDependencies:
'@deepseek-ai/dsh-brand':
specifier: workspace:^
version: link:../../util/brand
'@deepseek-ai/dsh-llm':
specifier: workspace:^
version: link:../../llm/llm
'@deepseek-ai/dsh-session':
specifier: workspace:^
version: link:../../core/session
'@deepseek-ai/dsh-spill':
specifier: workspace:^
version: link:../spill
cordis:
specifier: ^4.0.0-rc.6
version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4)
packages/spill/spill-policy:
dependencies:
schemastery:
specifier: ^3.18.0
version: 3.18.0
devDependencies:
'@deepseek-ai/dsh-agent':
specifier: workspace:^
version: link:../../core/agent
'@deepseek-ai/dsh-llm':
specifier: workspace:^
version: link:../../llm/llm
'@deepseek-ai/dsh-retention':
specifier: workspace:^
version: link:../../util/retention
'@deepseek-ai/dsh-session':
specifier: workspace:^
version: link:../../core/session
'@deepseek-ai/dsh-spill':
specifier: workspace:^
version: link:../spill
'@deepseek-ai/dsh-tools':
specifier: workspace:^
version: link:../../core/tools
cordis:
specifier: ^4.0.0-rc.6
version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4)
packages/subagent/subagent:
devDependencies:
'@deepseek-ai/dsh-agent':
@@ -990,6 +1055,12 @@ importers:
'@deepseek-ai/dsh-session':
specifier: workspace:^
version: link:../../core/session
'@deepseek-ai/dsh-spill-local':
specifier: workspace:^
version: link:../../spill/spill-local
'@deepseek-ai/dsh-spill-policy':
specifier: workspace:^
version: link:../../spill/spill-policy
'@deepseek-ai/dsh-system-prompt':
specifier: workspace:^
version: link:../../core/system-prompt