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docs(creating-cloud-persona): fix sandbox:false harness claim + wake-cost trap#79

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fix/cloud-persona-sandbox-false-harness-and-wake-cost
Jun 21, 2026
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docs(creating-cloud-persona): fix sandbox:false harness claim + wake-cost trap#79
khaliqgant merged 1 commit into
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fix/cloud-persona-sandbox-false-harness-and-wake-cost

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@khaliqgant khaliqgant commented Jun 21, 2026

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What

Two corrections to the creating-cloud-persona skill, both verified against cloud source (deployment-trigger-delivery.ts, match.ts):

  1. sandbox: false table was wrong about ctx.harness.run(). It said "still works" — but the lightweight path sets EMPTY_HARNESS_CLI_CREDENTIAL_MOUNT (no CLI creds) and no CLAUDE_CODE_OAUTH_TOKEN/CODEX_OAUTH_CREDENTIAL env, so a real harness run can't authenticate. Corrected to "unusable"; scoped sandbox: false to ctx.llm.complete read-classify-reply agents (with useSubscription/credentialSelection so the credential rides in providerEnv); added a ctx.llm.complete() row. Harness (claude/codex/opencode) agents must keep sandbox: true.

  2. Documented the sandbox-per-message wake-cost trap. A channel-wide message.created trigger provisions a Daytona box + runs the harness for every message, then self-filters — the handler's skip-guards run after provisioning. Gate the wake with match: '@mention' / where: (now enforced cloud-side — see AgentWorkforce/cloud#2411), or use ctx.llm + sandbox: false to skip the box entirely.

Companion to AgentWorkforce/cloud#2411 (enforce match/where), AgentWorkforce/agents#83, AgentWorkforce/watchdog-agents#19.

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…cost trap

The `sandbox: false` table wrongly said `ctx.harness.run()` "still works". Under
the lightweight path the harness CLI credentials are NOT mounted
(EMPTY_HARNESS_CLI_CREDENTIAL_MOUNT) and no CLAUDE_CODE_OAUTH_TOKEN /
CODEX_OAUTH_CREDENTIAL env is set, so a real harness run can't authenticate.

- Correct the harness.run row to "unusable" under sandbox:false; scope
  `sandbox: false` to ctx.llm.complete read-classify-reply agents (with
  useSubscription/credentialSelection so the credential rides in providerEnv).
  Harness agents (claude/codex/opencode) must keep sandbox: true.
- Add a `ctx.llm.complete()` row clarifying it needs an explicit credential
  under sandbox:false.
- Document the sandbox-per-message wake-cost trap: a channel-wide
  message.created trigger provisions a box per message; gate the wake with
  `match: '@mention'` / `where:`, or use ctx.llm + sandbox:false to skip the box.

🤖 Generated with [Claude Code](https://claude.com/claude-code)
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  • skills/creating-cloud-persona/SKILL.md
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Reviewed commit: 743f4da09a

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| `ctx.sandbox.exec()` | available | **rejects** (`SandboxNotAvailableError`) |
| `ctx.files.read/write` | available | unavailable — use VFS helpers (`readJsonFile`/`writeJsonFile`) against provider paths |
| `ctx.harness.run()` | available | **still works** |
| `ctx.harness.run()` | available | **unusable** — harness CLI credentials are NOT mounted (`EMPTY_HARNESS_CLI_CREDENTIAL_MOUNT`) and no `CLAUDE_CODE_OAUTH_TOKEN`/`CODEX_OAUTH_CREDENTIAL` env is set, so the claude/codex/opencode CLI cannot authenticate. The method exists but a real harness run fails (`deployment-trigger-delivery.ts`). |

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P2 Badge Update vendored sandbox reference text

This correction still leaves the skill internally contradictory: the “First read” section presents references/workforce/packages/persona-kit/src/types.ts and schemas/persona.schema.json as the current source of truth, but both still document sandbox: false as allowing ctx.harness.run() to work. Agents following the required references can therefore preserve the old broken guidance this change is trying to remove; update the vendored type/schema text at the same time.

Useful? React with 👍 / 👎.

| `ctx.harness.run()` | available | **still works** |
| `ctx.harness.run()` | available | **unusable** — harness CLI credentials are NOT mounted (`EMPTY_HARNESS_CLI_CREDENTIAL_MOUNT`) and no `CLAUDE_CODE_OAUTH_TOKEN`/`CODEX_OAUTH_CREDENTIAL` env is set, so the claude/codex/opencode CLI cannot authenticate. The method exists but a real harness run fails (`deployment-trigger-delivery.ts`). |
| Harness CLI credentials | mounted | not mounted |
| `ctx.llm.complete()` | available | available **only with an explicit credential** — set `useSubscription: true` (or a credentialSelection) so the credential rides in `providerEnv`; the harness-mount fallback that normally backs `ctx.llm` is gone under `sandbox: false` |

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P2 Badge Remove unsupported credentialSelection alternative

The documented credentialSelection alternative is not present in the vendored current persona shape: PersonaSpec and the JSON schema expose useSubscription, and a repo-wide search only finds credentialSelection in this new text. If an author follows this option for a sandbox:false ctx.llm.complete() agent, the persona will not have a supported credential selector even though this section says one is required.

Useful? React with 👍 / 👎.

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Markdown is well-formed: the table has a consistent 3-column structure (the header row's leading empty cell is intentional and matches the existing pre-PR design), and the blockquote is properly continued. No formatting, spelling, or lint issues found.

This PR is documentation-only with no code, no build, no CI workflows, and no review/bot comments in the provided context. There is nothing mechanical to auto-fix and no breakage to trace. I made no edits.

Review Summary

PR #79docs(creating-cloud-persona): fix sandbox:false harness claim + wake-cost trap

Scope: a single documentation file, skills/creating-cloud-persona/SKILL.md (+21/−4). The diff in .workforce/pr.diff matches the working tree exactly; no other files changed.

What the change does:

  • Corrects a previously-wrong claim. The old table said ctx.harness.run() "still works" under sandbox: false; the PR changes this to "unusable" because harness CLI credentials are not mounted. This aligns with the adjacent existing row "Harness CLI credentials | mounted | not mounted" and the !lightweightSandbox gating row — the prior text was self-contradictory, so this is a genuine correction.
  • Adds a ctx.llm.complete() row and useSubscription/credentialSelection guidance. Verified consistent with the schema and persona examples (useSubscription appears in persona.schema.json:109, types.ts:570, and multiple reference personas).
  • Adds a "Wake cost" blockquote recommending trigger-level gating via match: '@mention' / where: 'field=value'. These exact trigger keys are already documented and used earlier in the same file (lines 335–336), so the guidance is internally consistent.

Verification performed:

  • Confirmed only SKILL.md changed (git diff --stat vs base).
  • Confirmed prpm.json already lists this SKILL.md path (line 324) and is untouched — no catalog/artifact regeneration needed.
  • No .github/workflows, package.json build, or test harness exists in this content repo — there is no CI build/test command to run; the change carries no runtime behavior.
  • Checked markdown integrity of the edited table and blockquote: well-formed.

Addressed comments

  • No bot or human review comments were present in .workforce/context.json (no comments array; canPush: true, no reviews). Nothing to address.

Advisory Notes

  • None. The change is in-scope (it fixes the doc claims its own commit message names) and self-consistent with the rest of the file and the bundled reference schema/personas.

No edits were made (nothing mechanical to fix); the working tree is unchanged. This is a clean documentation correction. I'm not printing READY because there are no open bot/reviewer comments requiring human judgment and I cannot verify CI status from this sandbox — final check status and merge state are reported by cloud post-harness.

@khaliqgant khaliqgant merged commit f44b058 into main Jun 21, 2026
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@khaliqgant khaliqgant deleted the fix/cloud-persona-sandbox-false-harness-and-wake-cost branch June 21, 2026 19:52
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