feat(sap_s4hana): add get_material_document and fix supplier invoice key order

[waleedlatif1]

Summary

• Add get_material_document tool to fetch a single A_MaterialDocumentHeader by composite key (MaterialDocumentYear + MaterialDocument)
• Reorder get_supplier_invoice composite key to alphabetic order (FiscalYear, SupplierInvoice)
• Wire new tool into types, index, registry, and block (dropdown, subBlocks, conditions, switch case, inputs)

Type of Change

• New feature

Testing

Tested manually. Lint and typecheck clean.

Checklist

• Code follows project style guidelines
• Self-reviewed my changes
• Tests added/updated and passing
• No new warnings introduced
• I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

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Project	Deployment	Actions	Updated (UTC)
docs	Ready	Preview, Comment	Apr 28, 2026 6:31am

[cursor]

PR Summary

Medium Risk
Mostly additive, but it changes runtime behavior for purchase order creation (new required parameter and stricter validation) and adjusts supplier-invoice key formatting, which could break existing workflows relying on the previous behavior.

Overview
Adds sap_s4hana_get_material_document to retrieve a single A_MaterialDocumentHeader by (MaterialDocument, MaterialDocumentYear), wiring it through the SAP S/4HANA tool exports, registry, block UI inputs, and integration metadata.

Tightens sap_s4hana_create_purchase_order by making body required and validating it contains a non-empty to_PurchaseOrderItem array, and fixes sap_s4hana_get_supplier_invoice by reordering the composite key in the OData path to FiscalYear, SupplierInvoice.

Updates docs/metadata: SAP docs now include the new material document GET tool and mark PO body as required; Slack docs and integration metadata add canvas operations (get, list, lookup sections, delete) and bump operation counts accordingly.

^{Reviewed by Cursor Bugbot for commit 5be41b7. Configure here.}

[greptile-apps]

Greptile Summary

This PR adds a sap_s4hana_get_material_document tool to fetch a single A_MaterialDocumentHeader by composite key, fixes the get_supplier_invoice OData key ordering to alphabetical (FiscalYear, SupplierInvoice), and makes the create_purchase_order body parameter required with runtime validation for a non-empty to_PurchaseOrderItem array. All integration points (types, index, registry, block dropdown/subBlocks/switch/inputs) are correctly wired. The PR also bundles documentation additions for four Slack canvas tools — these are documentation-only and carry no code risk.

Confidence Score: 5/5

This PR is safe to merge — no logic errors, security concerns, or breaking regressions identified.

All changes are consistent and well-scoped: the new tool follows the established pattern exactly, the key-order fix is safe under OData v2 named-predicate semantics, and the body validation is correct. No P0 or P1 findings.

No files require special attention.

Important Files Changed

Filename	Overview
apps/sim/tools/sap_s4hana/get_material_document.ts	New tool implementing get-by-composite-key for A_MaterialDocumentHeader; OData path key order (MaterialDocument, MaterialDocumentYear) is alphabetically correct and matches description.
apps/sim/tools/sap_s4hana/get_supplier_invoice.ts	Key order in OData path corrected to alphabetical (FiscalYear, SupplierInvoice); OData v2 named predicates are order-independent so this is safe.
apps/sim/tools/sap_s4hana/create_purchase_order.ts	body parameter changed from optional to required with runtime validation for non-empty to_PurchaseOrderItem; validation logic is correct.
apps/sim/tools/sap_s4hana/types.ts	Added GetMaterialDocumentParams interface; made body non-optional in CreatePurchaseOrderParams to match runtime enforcement.
apps/sim/blocks/blocks/sap_s4hana.ts	New tool wired into dropdown, subBlocks conditions, switch case, and inputs schema; all integration points covered correctly.
apps/sim/tools/registry.ts	getMaterialDocumentTool imported and registered under correct key sap_s4hana_get_material_document.
apps/sim/tools/sap_s4hana/index.ts	getMaterialDocumentTool re-exported at correct alphabetical position in the barrel file.
apps/docs/content/docs/en/tools/sap_s4hana.mdx	Documentation added for get_material_document tool; body parameter for create_purchase_order updated to reflect new required status.
apps/docs/content/docs/en/tools/slack.mdx	Documentation additions for four Slack canvas tools (get, list, lookup sections, delete); unrelated to stated PR focus but documentation-only, no code risk.
apps/sim/app/(landing)/integrations/data/integrations.json	SAP operationCount incremented from 37→38 and Slack from 25→29 (+4 canvas tools); both counts are arithmetically correct.

Sequence Diagram

sequenceDiagram
    participant UI as Block UI (sap_s4hana.ts)
    participant Registry as Tool Registry
    participant Tool as get_material_document.ts
    participant Proxy as SAP Proxy
    participant SAP as SAP S/4HANA Cloud

    UI->>Registry: operation = sap_s4hana_get_material_document
    Registry->>Tool: invoke(materialDocument, materialDocumentYear, ...)
    Tool->>Proxy: POST SAP_PROXY_URL {service: API_MATERIAL_DOCUMENT_SRV, path: /A_MaterialDocumentHeader(MaterialDocument=...,MaterialDocumentYear=...), method: GET}
    Proxy->>SAP: GET /A_MaterialDocumentHeader(MaterialDocument=...,MaterialDocumentYear=...)
    SAP-->>Proxy: 200 OK + entity JSON
    Proxy-->>Tool: {status, data}
    Tool-->>UI: {status, data: A_MaterialDocumentHeader}

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[waleedlatif1]

@greptile

[waleedlatif1]

@cursor review

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^{Reviewed by Cursor Bugbot for commit 5be41b7. Configure here.}