F19: client form drops empty-value contacts on submit; auto-promotes first remaining row to primary if none flagged.
F20: new-interest dialog redirects to the detail page on create instead of bouncing back to the list.
F21: stage-transition validation errors render with STAGE_LABELS — "Yacht is required before leaving the Enquiry stage." (was "yachtId is required before leaving stage=enquiry").
F22: blocked-stage marker swapped from the ⚑ unicode glyph to a Lucide AlertTriangle with aria-label.
F25: documents-hub folder selection moves to ?folder=<id> querystring so deep-link / browser-back / refresh round-trip the current folder.
F26: reopen-outcome action now toasts "Outcome cleared — interest is open again."
F27: stage PATCH where target === current short-circuits to a no-op return; downstream callers don't see a phantom stage_change audit row.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Matt
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