fix(deploy): actionable guidance on stale-workspace 404s

[khaliqgant]

Summary

• agentworkforce deployments list (and anything else going through resolveWorkspaceToken) surfaced a raw 404 Workspace not found from @agent-relay/cloud when the locally-stored active workspace pointer (~/.agentworkforce/relay/workspaces.json) referenced a workspace that had been deleted/expired server-side, or when an explicit --workspace no longer resolved.
• The raw error gave no hint that retrying wouldn't help and that the fix is to re-pick a workspace.
• resolveWorkspaceDescriptor in packages/deploy/src/login.ts now catches 404s from both the active-workspace path and the explicit-workspace path and appends guidance: run agent-relay workspace list / agent-relay workspace switch <name>, or agentworkforce deploy --mode cloud to provision a new workspace.
• Note: the 404 itself is server-side state (a stale/deleted workspace on the @agent-relay/cloud backend), not a bug in this repo — this PR only improves the CLI's error message so the failure is actionable instead of an opaque HTTP dump.

Test plan

• packages/deploy: added a test asserting the 404 path surfaces agent-relay workspace list / agent-relay workspace switch guidance
• cd packages/deploy && npm test — all login.test.ts cases pass (8/8); 3 unrelated pre-existing failures elsewhere in the suite confirmed present on origin/main before this change (stale workspace-package exports, unrelated to this diff)
• packages/deploy and packages/cli both build clean (tsc)

---

Note

Low Risk
User-facing error text only; no changes to auth, token handling, or workspace resolution logic beyond how failures are formatted.

Overview
When cloud workspace resolution returns 404 (stale local active workspace or a bad --workspace), deploy flows that use resolveWorkspaceToken no longer stop at a raw HTTP error.

resolveWorkspaceDescriptor now routes failures through a new workspaceNotFoundError helper that recognizes 404 / “workspace not found” from both the active-workspace path and the explicit /workspaces/.../resolve call, explains likely causes (deleted, expired, stale pointer), and tells users to run agent-relay workspace list, agent-relay workspace switch, or agentworkforce deploy --mode cloud.

A login.test.ts case asserts the 404 path includes that agent-relay workspace guidance.

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• packages/deploy/src/login.ts

📝 Walkthrough

Walkthrough

Workspace resolution now detects 404-style failures and adds stale-workspace recovery guidance. Active and requested workspace resolution use the shared error helper. A test verifies the guidance for a stale workspace.

Changes

Workspace resolution

Layer / File(s)	Summary
Stale workspace error handling and validation packages/deploy/src/login.ts, packages/deploy/src/login.test.ts	Workspace resolution passes failures to workspaceNotFoundError. The helper adds workspace list, workspace switch, and cloud deploy guidance for 404-style errors. Other errors remain unchanged. The test verifies guidance for a stale workspace.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Bug fix

Merge Risk: 🔵 Low · up to 67178

Users selecting a deleted or unavailable workspace can be given an incorrect explanation for the failure. The recovery commands remain useful, but the diagnosis should be corrected before merge.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 33.33% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 3 functions across 2 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the main change: adding actionable guidance for stale-workspace 404 errors.
Description check	✅ Passed	The description directly explains the stale-workspace 404 behavior, the implemented guidance, and the added test coverage.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches 💡 1

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• Create PR with unit tests
• Commit unit tests in branch fix/workspace-resolve-stale-guidance

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_{A rabbit found a workspace gone,
And marked the stale pointer at dawn.
List the workspaces,
Switch to the right one,
Or cloud deploy and carry on.}

_{Comment @coderabbitai help to get the list of available commands.}

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Actionable comments posted: 1

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Inline comments:
In `@packages/deploy/src/login.ts`:
- Line 201: Update the 404 recovery message in resolveWorkspaceDescriptor to use
source-neutral wording when workspace is defined, removing the claim that the
local workspace pointer is stale while preserving the existing recovery commands
and guidance.

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ℹ️ Review info

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Configuration used: Organization UI

Review profile: CHILL

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Run ID: 2cdecad3-1f20-4b4c-806a-a3ce52dda60e

📥 Commits

Reviewing files that changed from the base of the PR and between 363706e and 671789e.

📒 Files selected for processing (2)

• packages/deploy/src/login.test.ts
• packages/deploy/src/login.ts

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