fix: make platformCustomerId optional in Kotlin sample

[claude]

Summary

• Update Kotlin sample to treat platformCustomerId as optional, syncing with schema change from make platformCustomerId optional on create customer #345
• Remove unused requireText import

Context

The schema change in #345 made platformCustomerId optional on customer creation (if not provided, one is auto-generated). The Mintlify docs were updated in that same PR, but the Kotlin sample still used requireText() which would throw an error if the field was missing.

Test plan

• Verify Kotlin sample compiles
• Test customer creation without platformCustomerId in request body

🤖 Generated with Claude Code

[vercel]

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Project	Deployment	Actions	Updated (UTC)
grid-flow-builder	Ready	Preview, Comment	Apr 17, 2026 8:40am

[greptile-apps]

Greptile Summary

Syncs the Kotlin sample with the schema change from #345 by making platformCustomerId optional on customer creation — if omitted, the API auto-generates one. The unused requireText import is also cleaned up.

Confidence Score: 5/5

Safe to merge — minimal, targeted fix with no logic concerns.

Single-file change that correctly adapts to the schema update from #345. The optional pattern used (optText + let) is consistent with every other optional field in the same file. No new issues introduced.

No files require special attention.

Important Files Changed

Filename	Overview
samples/kotlin/src/main/kotlin/com/grid/sample/routes/Customers.kt	Moves platformCustomerId into the optional apply block using optText + let, matching the schema change in #345; removes now-unused requireText import.

Sequence Diagram

sequenceDiagram
    participant Client
    participant KtorRoute as Kotlin Sample (POST /api/customers)
    participant GridAPI as Grid API

    Client->>KtorRoute: POST /api/customers { fullName, ... }
    Note over KtorRoute: platformCustomerId is optional
    alt platformCustomerId present in body
        KtorRoute->>KtorRoute: optText("platformCustomerId")?.let { platformCustomerId(it) }
    else platformCustomerId absent
        KtorRoute->>KtorRoute: field skipped — API will auto-generate
    end
    KtorRoute->>GridAPI: customers().create(params)
    GridAPI-->>KtorRoute: Customer (with auto or provided ID)
    KtorRoute-->>Client: 201 Created (customer JSON)

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