fix: updating names from enum to human readable description

[pengying]

TL;DR

Updated payment rail names from snake_case constants to human-readable display names across all currency configurations.

What changed?

Converted payment rail identifiers from technical constants to user-friendly display names:

• FEDNOW → FedNow
• WIRE → Wire
• SEPA_INSTANT → SEPA Instant
• FASTER_PAYMENTS → Faster Payments
• BANK_TRANSFER → Bank Transfer
• MOBILE_MONEY → Mobile Money
• PAYNOW → PayNow

This affects both instantRails and allRails arrays across all 22 supported currencies in the grid visualizer.

How to test?

1. Load the grid visualizer component
2. Verify that payment rail names display as proper human-readable text instead of technical constants
3. Check that all currency entries show the updated rail names correctly
4. Ensure functionality remains unchanged - only display names should be different

Why make this change?

Improves user experience by displaying payment methods with proper capitalization and spacing that users would recognize, rather than technical snake_case identifiers that are harder to read and understand.

[pengying]

• fix: updating names from enum to human readable description #270 👈 (View in Graphite)
• main

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[greptile-apps]

Greptile Summary

Renames payment rail display strings in currencies.ts from snake_case enum constants (e.g., FEDNOW, SEPA_INSTANT, FASTER_PAYMENTS) to human-readable labels (e.g., FedNow, SEPA Instant, Faster Payments) across all 22 fiat currency entries. These values are used purely for UI display (currency picker labels, search keywords, rail badges, funding toggle tooltips). The API-facing paymentRails values in account-types.ts remain unchanged and correctly use the enum format expected by the API.

• Acronym-only rails (RTP, ACH, SEPA, FAST, PIX, SPEI, UPI) are correctly left as-is since they are standard abbreviations
• Multi-word rails are converted: FEDNOW → FedNow, WIRE → Wire, SEPA_INSTANT → SEPA Instant, FASTER_PAYMENTS → Faster Payments, BANK_TRANSFER → Bank Transfer, MOBILE_MONEY → Mobile Money, PAYNOW → PayNow
• No issues found — this is a straightforward, safe display-only change

Confidence Score: 5/5

• This PR is safe to merge — it only changes display strings with no impact on API behavior or data flow.
• The change is limited to renaming display-only string values in a single data file. The API-facing payment rail values in account-types.ts are correctly left unchanged. No logic, types, or control flow are modified. All consuming components use these values purely for rendering text in the UI.
• No files require special attention.

Important Files Changed

Filename	Overview
components/grid-visualizer/src/data/currencies.ts	Display-only rail names updated from snake_case constants to human-readable text across all 22 currencies. API-facing rail values in account-types.ts are correctly left unchanged.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A["currencies.ts\n(display strings)"] -->|instantRails, allRails| B["CurrencyPicker\n(search keywords + rail labels)"]
    A -->|instantRails| C["FundingToggle\n(JIT tooltip text)"]
    A -->|instantRails, allRails| D["InputCard\n(rail badge label)"]
    A -->|instantRails.length| E["page.tsx\n(JIT eligibility check)"]
    F["account-types.ts\n(enum strings - UNCHANGED)"] -->|paymentRails| G["code-generator.ts\n(API request body)"]

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_{Last reviewed commit: 1a136a7}