fix(nexus-operations): make start standalone nexus operation timeouts optional

[rossedfort]

Description & motivation 💭

The Start Standalone Nexus Operation form previously required that at least one of Start to Close or Schedule to Close timeout be set before the form could be submitted. This validation was too restrictive — all three timeout fields (Start to Close, Schedule to Close, Schedule to Start) should be optional, as the server can apply defaults.

Removed the Zod superRefine validation block that enforced the timeout requirement, the corresponding error display in the form, and the now-unused form-timeout-required i18n key.

Screenshots (if applicable) 📸

N/A

Design Considerations 🎨

None.

Testing 🧪

How was this tested 👻

• Manual testing
• E2E tests added
• Unit tests added

Steps for others to test: 🚶🏽‍♂️🚶🏽‍♀️

1. Navigate to the Start Standalone Nexus Operation form
2. Fill in the required fields (Endpoint, Service, Operation Name)
3. Leave all timeout fields empty
4. Submit the form — it should succeed without any timeout validation errors

Checklists

Draft Checklist

Merge Checklist

Issue(s) closed

Docs

Any docs updates needed?

No docs updates needed.

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Project	Deployment	Actions	Updated (UTC)
holocene	Ready	Preview, Comment	Jul 10, 2026 8:37pm

[temporal-cicd]

Warnings

⚠️

📊 Strict Mode: 7 errors in 1 file (0.8% of 895 total) src/lib/components/standalone-nexus-operations/start-standalone-nexus-operation-form/form.svelte (7) L56:4: Type 'string | undefined' is not assignable to type 'string'. L193:6: Type 'ClientValidationAdapter<{ encoding: "json/plain" | "json/protobuf"; namespace: string; endpoint: string; service: string; operation: string; identity: string; nexusHeader: { key: string; value: string; }[]; summary?: string | undefined; ... 8 more ...; idConflictPolicy?: string | undefined; }, { ...; }>' is not assignable to type 'ClientValidationAdapter<Partial<{ input: string; messageType: string; scheduleToStartTimeout: string; summary: string; details: string; idReusePolicy: string; idConflictPolicy: string; nexusHeader: never[]; encoding: "json/plain" | "json/protobuf"; ... 7 more ...; scheduleToCloseTimeout: string | undefined; }>, Reco...'. L235:14: Type 'string | null | undefined' is not assignable to type 'string'. L322:25: Type '{ key: string; value: string; }' is not assignable to type 'never'. L322:47: Type '{ key: string; value: string; }' is not assignable to type 'never'. L575:51: Property 'key' does not exist on type 'never'. L584:51: Property 'value' does not exist on type 'never'.

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