Build out the buyer-side PO reconciliation workflow that landed in
60d3204 ('stock purchase invoice reconciliation tool') into a full
3-document × 2-PO-kind matching service. The tool now covers every
real-life supplier document the buyer can receive.
Renamed the service entry point from matchAndReceiveFromInvoice to
matchAndReceiveFromPoDocument (old name kept as a back-compat alias).
The MCP tool name stays stock_purchases.match_and_receive_from_invoice
so existing callers don't break; the input arg shape changed from
'invoice:' to 'document:' (old 'invoice:' arg still accepted for
back-compat).
Phase 1 — supplier_sku backfill (prep work, not in service code)
Phase 2 — auto-detect stock vs customer POs (single tool, both kinds)
Phase 3 — GRN (delivery-note) mode via new mode: 'grn' flag
Phase 4 — pack-size inference (Orapi case: per-unit vs per-pack)
Phase 5 — PO reference normalisation (PO202608017 vs PO-2026-08-017)
Also adds 3 new MCP tools for the collection-confirm buyer workflow:
collection_confirm.list, collection_confirm.upload_invoice,
collection_confirm.confirm_order_items.
Docs: updated .agents/skills/wfdash-giellie/SKILL.md and
src/app/api/mcp/FEATURE-REQUESTS.md to describe the new modes and
shape. 1,661/1,664 vitest tests pass; the 3 failing tests are
pre-existing (PocketBase SDK mock mismatch in pocketbase-admin.test,
5s timeout in quotes/items/[id]/attachments/upload/route.test —
both reproducible on main without this change).
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