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fix(ralph): harden execution boundaries

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This commit is contained in:
Tianyi Cui
2026-07-20 12:56:09 +08:00
parent c6f8247ac1
commit 60eea35df5
37 changed files with 535 additions and 81 deletions
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2
docs/config-catalog.md
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@@ -1146,6 +1146,8 @@ export interface Config {
maxRounds?: number
/** Maximum serialized characters in one structured handoff (default 16384). */
maxHandoffChars?: number
/** Maximum characters in a successful parent-facing terminal text (default 16384). */
maxResultChars?: number
}
```

7
docs/core-data-structures/workflow.md
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@@ -8,7 +8,7 @@ Source: [`packages/workflow/workflow/src/types.ts`](../../packages/workflow/work
## The start request
What a caller asks for when starting a run. The ordinary workflow tool builds this from the model's `{ script, meta, args }` call plus the calling agent; specialized consumers may also select one engine-wide `subagentProvider` for the run, but the script cannot observe or replace it. `meta` and `args` are plain JSON DATA (the engine shape-validates `meta` and rejects loud BEFORE anything runs — no script text is ever evaluated to obtain it). `parent` is REQUIRED — every child the script spawns is attributed to it (cwd, lineage, and depth flow through the [subagent seam](subagent.md)).
What a caller asks for when starting a run. The ordinary workflow tool builds this from the model's `{ script, meta, args }` call plus the calling agent; specialized consumers may also select one engine-wide `subagentProvider` and lower `maxTotalAgents` for the run, but the script cannot observe or replace either policy. `meta` and `args` are plain JSON DATA (the engine shape-validates `meta` and rejects loud BEFORE anything runs — no script text is ever evaluated to obtain it). `parent` is REQUIRED — every child the script spawns is attributed to it (cwd, lineage, and depth flow through the [subagent seam](subagent.md)).
```ts type-equiv
/**
@@ -32,6 +32,11 @@ interface WorkflowStartRequest {
* provider.
*/
subagentProvider?: string
/**
* Optional per-run total-child ceiling. Implementations reject values above
* their deployment ceiling before publishing the run.
*/
maxTotalAgents?: number
/** The agent on whose behalf the run executes (parent of every child). */
parent: Agent
/** Cancels the run when aborted (the tool's `exec.signal`). */

2
docs/tool-catalog.md
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@@ -487,7 +487,7 @@ create, edit, pause, and resume require direct-human root authority; complete an
### `ralph`
Run a foreground fresh-agent Ralph loop toward one immutable objective. Use only when the direct human explicitly asks for Ralph or fresh-agent iteration. Each round opens a new child with no parent conversation or prior child session; the shared workspace is long-term memory, and only a bounded structured report crosses rounds. The call returns on completion, a concrete blocker, or the round limit. Ordinary long-running same-session work belongs to goal tools.
Run a foreground fresh-agent Ralph loop toward one immutable objective. Use only when the direct human explicitly asks for Ralph or fresh-agent iteration. Each round opens a new child with no parent conversation or prior child session; the shared workspace is long-term memory, and only a bounded structured report crosses rounds. The call returns when a worker reports completion or a concrete blocker, or at the round limit. Ordinary long-running same-session work belongs to goal tools.
```json
{