Two mechanical sweeps closing the audit's HIGH §16 + MED §11 findings:
* 38 client components / 56 toast.error sites converted to
toastError(err) so the new admin error inspector becomes usable from
user-reported issues — every failed inline-edit, save, send, archive,
upload, etc. now carries the request-id + error-code (Copy ID action).
* 26 service files / 62 bare-Error throws converted to CodedError or
the existing AppError subclasses. Adds new error codes:
DOCUMENSO_UPSTREAM_ERROR (502), DOCUMENSO_AUTH_FAILURE (502),
DOCUMENSO_TIMEOUT (504), OCR_UPSTREAM_ERROR (502),
IMAP_UPSTREAM_ERROR (502), UMAMI_UPSTREAM_ERROR (502),
UMAMI_NOT_CONFIGURED (409), and INSERT_RETURNING_EMPTY (500) for
post-insert returning-empty guards.
* Five vitest assertions updated to match the new user-facing wording
(client-merge "already been merged", expense/interest "couldn't find
that …", documenso "signing service didn't respond").
Test status: 1168/1168 vitest, tsc clean.
Refs: docs/audit-comprehensive-2026-05-05.md HIGH §16 (auditor-H Issue 1)
+ MED §11 (auditor-G Issue 1).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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