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[codex] surface stale workspace registration failures#1157

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Bortlesboat:codex/archon-stale-registration-1146
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[codex] surface stale workspace registration failures#1157
Bortlesboat wants to merge 1 commit intocoleam00:devfrom
Bortlesboat:codex/archon-stale-registration-1146

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@Bortlesboat Bortlesboat commented Apr 13, 2026

This draft fixes the misleading CLI failure reported in #1146 when Archon auto-registration trips over a stale ~/.archon/workspaces/.../source link.

Closes #1146

Today workflowRunCommand() will attempt auto-registration, log cli.codebase_auto_registration_failed, and then fall through to the generic Cannot create worktree: not in a git repository error. That secondary message is false for the reported case: the repository is valid, but registration already failed earlier in the chain.

This branch keeps the original registration exception, carries it forward, and turns it into a truthful CLI error. When the failure matches the stale source-symlink pattern from createProjectSourceSymlink(), the CLI now includes a concrete cleanup hint that points at the stale workspace entry instead of sending the user down the wrong git-detection path. The same preserved error path is also used for --resume, so resume no longer collapses into the same misleading "not in a git repository" fallback.

I added a focused regression test around the stale-registration path in packages/cli/src/commands/workflow.test.ts so we lock the user-facing behavior down. While verifying this on Windows, local validation also surfaced two unrelated test assumptions that hard-coded POSIX-style PATH / HOME environment keys even though Bun on Windows may expose Path / USERPROFILE. I made those assertions platform-safe in packages/paths/src/env-integration.test.ts and packages/core/src/providers/claude.test.ts so the touched validation surfaces behave correctly on this machine too.

Validation used for this branch:

  • bun test src/commands/workflow.test.ts in packages/cli
  • bun test src/env-integration.test.ts in packages/paths
  • bun test src/providers/claude.test.ts in packages/core
  • bun x prettier --check packages/cli/src/commands/workflow.ts packages/cli/src/commands/workflow.test.ts packages/paths/src/env-integration.test.ts packages/core/src/providers/claude.test.ts

I also re-ran bun run validate from the repo root. It now gets past the Windows env-key assertion failures above, but it still stops in unrelated @archon/workflows script-node tests on this Windows worktree (inline bun script output available for downstream substitution, stderr output is sent to the user, and $WORKFLOW_ID and $ARTIFACTS_DIR are substituted into script text). I left those failures out of this branch because they are outside the stale-registration fix itself.

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@Bortlesboat Bortlesboat force-pushed the codex/archon-stale-registration-1146 branch from 4c1fa63 to d7e81b3 Compare April 14, 2026 02:57
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Wirasm commented Apr 17, 2026

This PR appears to fully address #1146. Consider adding Closes #1146 to the PR body so the issue auto-closes on merge.

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Wirasm commented Apr 21, 2026

Thanks for diagnosing and fixing this, @Bortlesboat — closing and re-doing on current `dev` with full credit via `Co-authored-by:`. The fix is correct, the parser is well-bounded, and the regression test locks the right behavior down; I'd rather land a fresh branch against current dev than ask you to un-draft + rebase a 4-day-old branch (which is CONFLICTING against dev now).

Note: the Windows test-compat changes mentioned in your PR body (`packages/paths/src/env-integration.test.ts`, `packages/core/src/providers/claude.test.ts`) aren't in the actual diff — I'll leave those out of the re-do to keep it scoped to #1146. If the Windows issues are still real on your machine, please open a separate PR and we'll review.

Follow-up PR inbound.

@Wirasm Wirasm closed this Apr 21, 2026
Wirasm added a commit that referenced this pull request Apr 22, 2026
…"not a git repo"

When workflowRunCommand auto-registers an unregistered repo, a stale
~/.archon/workspaces/<owner>/<repo>/source symlink (pointing to an old
checkout) causes createProjectSourceSymlink() in @archon/paths to throw:

  Source symlink at <linkPath> already points to <existing>, expected <target>

The CLI caught that in a try/catch, logged it at warn level, continued
with `codebase = null`, and then the isolation / resume branches hit
their "codebase missing" fallback and threw the generic:

  Cannot create worktree: not in a git repository.

That message is false — the repo is valid; the Archon workspace entry
is stale. It sends users down the wrong diagnostic path (checking git
config, permissions, etc.) instead of pointing at the workspace dir.

Fix: preserve the registration error on a new `codebaseRegistrationError`
local, and at both fallback sites (resume + worktree-creation) check it
before the generic "not a git repo" branch. When set, throw a truthful:

  Cannot {create worktree,resume}: repository registration failed.
  Error: <original message>
  Hint: Remove the stale workspace entry at <dir> and retry, or
        use --no-worktree to skip isolation.

The hint's exact path comes from a small parser that extracts the
workspace directory from the known "Source symlink at …" format; when
the message shape doesn't match (future error text changes), the parser
returns null and we fall back to a generic "check registration under
<archon-home>/workspaces" hint — safe degradation.

Regression test in workflow.test.ts asserts the new error message and
negatively asserts the old "not in a git repository" string is gone.

Supersedes #1157 — that PR was draft + CONFLICTING against current dev,
and also mentioned Windows test-compat changes that weren't in the diff
(pruned scope). This is a fresh re-do focused strictly on #1146.

Closes #1146.

Co-authored-by: Bortlesboat <Bortlesboat@users.noreply.github.com>
Wirasm added a commit that referenced this pull request Apr 22, 2026
…"not a git repo" (#1332)

* fix(cli): surface stale-workspace registration error instead of fake "not a git repo"

When workflowRunCommand auto-registers an unregistered repo, a stale
~/.archon/workspaces/<owner>/<repo>/source symlink (pointing to an old
checkout) causes createProjectSourceSymlink() in @archon/paths to throw:

  Source symlink at <linkPath> already points to <existing>, expected <target>

The CLI caught that in a try/catch, logged it at warn level, continued
with `codebase = null`, and then the isolation / resume branches hit
their "codebase missing" fallback and threw the generic:

  Cannot create worktree: not in a git repository.

That message is false — the repo is valid; the Archon workspace entry
is stale. It sends users down the wrong diagnostic path (checking git
config, permissions, etc.) instead of pointing at the workspace dir.

Fix: preserve the registration error on a new `codebaseRegistrationError`
local, and at both fallback sites (resume + worktree-creation) check it
before the generic "not a git repo" branch. When set, throw a truthful:

  Cannot {create worktree,resume}: repository registration failed.
  Error: <original message>
  Hint: Remove the stale workspace entry at <dir> and retry, or
        use --no-worktree to skip isolation.

The hint's exact path comes from a small parser that extracts the
workspace directory from the known "Source symlink at …" format; when
the message shape doesn't match (future error text changes), the parser
returns null and we fall back to a generic "check registration under
<archon-home>/workspaces" hint — safe degradation.

Regression test in workflow.test.ts asserts the new error message and
negatively asserts the old "not in a git repository" string is gone.

Supersedes #1157 — that PR was draft + CONFLICTING against current dev,
and also mentioned Windows test-compat changes that weren't in the diff
(pruned scope). This is a fresh re-do focused strictly on #1146.

Closes #1146.

Co-authored-by: Bortlesboat <Bortlesboat@users.noreply.github.com>

* review: add resume-path test, null-fallback test, update troubleshooting docs

Addresses multi-agent review feedback on this PR:

- Add regression test for the --resume fallback site (the worktree-create
  site was already covered; the resume site had identical wiring but zero
  test coverage).
- Add test for the unrecognized-error-shape branch of
  buildRegistrationFailureError so the generic workspace hint is pinned
  (prevents accidental inversion of the stale-entry vs generic-hint
  ternary).
- Update the troubleshooting page to key on the new
  "Cannot create worktree: repository registration failed." message.
  Users hitting the new error won't find the page under the old heading,
  and the "In the future..." note is obsolete now that the error itself
  contains the cleanup path.
- Trim both new docblocks: keep the load-bearing cross-package error
  string contract in extractStaleWorkspaceEntry, drop narration of what
  the code already shows. Drop the "Before this helper existed..."
  paragraph from buildRegistrationFailureError — that's CHANGELOG
  material. Drop PR-reference suffix from the test section divider.

* review: guard getArchonHome in hint + export parser for direct tests

Two follow-up fixes to the multi-agent review commit (f32f002):

CodeRabbit finding — unguarded getArchonHome() in the fallback hint.
If getArchonHome() ever throws (misconfigured env vars, permission issues
on the resolution path), the registration-failure Error would never get
constructed: we'd throw a secondary home-resolution error that masks the
root cause. Wrap the fallback branch in try/catch — prefer losing the
exact path in the hint over replacing the actionable registration error.
A safe generic hint ("Check your Archon workspace registration and retry")
takes over when getArchonHome() throws. The original error.message is
always embedded verbatim in the re-thrown Error.

S2 — export extractStaleWorkspaceEntry for direct table tests. The parser
is where the cross-package string contract with @archon/paths actually
lives; direct tests against it are cheaper than end-to-end CLI tests and
pin the edge cases:

- POSIX path with forward slashes (typical unix user)
- Windows path with backslashes (verifies Math.max(lastIndexOf / , lastIndexOf \))
- Unrelated error message (no prefix) → null
- Prefix matches but delimiter missing → null
- Source path without any separator → null (guards against returning
  empty string, which would produce a nonsense "Remove the stale
  workspace entry at " hint)
- Empty string → null

Six new cases in the test file. The claim of Windows support in the
PR description is now actually verified.

* fix(test): make generic-hint assertion path-separator agnostic

Windows test runner (CI) hit:
  Expected to contain: "Check your Archon workspace registration under /home/test/.archon/workspaces"
  Received: "... under \home\test\.archon\workspaces and retry, ..."

path.join normalizes to `\` on Windows and `/` on POSIX. The test hardcoded
forward slashes in the expected substring. Split into two separator-agnostic
asserts: the prefix up to "under", then `/workspaces\b/` regex for the final
path segment. Behavior doesn't change — the hint still gets the full
path.join'd workspaces dir on either platform.

---------

Co-authored-by: Bortlesboat <Bortlesboat@users.noreply.github.com>
@Wirasm Wirasm mentioned this pull request Apr 22, 2026
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Stale workspace registration causes unrecoverable cli.codebase_auto_registration_failed with misleading secondary error

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