Fix decoding payloads for user metadata

[rossedfort]

Description & motivation 💭

• adds a base64 decode step to to the decodeUserMetadata call

Screenshots (if applicable) 📸

before

user metadata tab	event history

after

user metadata tab	event history

Design Considerations 🎨

Testing 🧪

How was this tested 👻

• Manual testing
• E2E tests added
• Unit tests added

Steps for others to test: 🚶🏽‍♂️🚶🏽‍♀️

Checklists

Draft Checklist

Merge Checklist

Issue(s) closed

Docs

Any docs updates needed?

[vercel]

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Project	Deployment	Actions	Updated (UTC)
holocene	Ready	Preview, Comment	Apr 21, 2026 8:07pm

[temporal-cicd]

• ⚠️ Argument of type 'unknown' is not assignable to parameter of type 'Payload'.

[temporal-cicd]

Warnings

⚠️

📊 Strict Mode: 23 errors in 3 files (2.3% of 998 total) src/lib/utilities/decode-payload.ts (21) L80:45: Argument of type '{ [k: string]: string; } | undefined' is not assignable to parameter of type 'Record<string, unknown>'. L93:45: Argument of type '{ [k: string]: string; } | undefined' is not assignable to parameter of type 'Record<string, unknown>'. L127:19: No overload matches this call. L128:6: 'searchAttributes' is of type 'unknown'. L128:52: Argument of type 'unknown' is not assignable to parameter of type 'Payload'. L136:19: No overload matches this call. L137:6: 'memo' is of type 'unknown'. L137:40: Argument of type 'unknown' is not assignable to parameter of type 'Payload'. L145:19: No overload matches this call. L146:6: 'header' is of type 'unknown'. L146:42: Argument of type 'unknown' is not assignable to parameter of type 'Payload'. L155:19: No overload matches this call. L156:6: 'queryResult' is of type 'unknown'. L156:47: Argument of type 'unknown' is not assignable to parameter of type 'Payload'. L174:26: Argument of type 'unknown' is not assignable to parameter of type 'Payload'. L213:33: Argument of type 'unknown' is not assignable to parameter of type 'Payload'. L270:57: Element implicitly has an 'any' type because expression of type 'string' can't be used to index type '{ id: string; attributes: EventAttribute; timestamp: string; classification: "Scheduled" | "Unspecified" | "Open" | "New" | "Started" | "Initiated" | "Running" | ... 7 more ... | "CancelRequested"; ... 70 more ...; eventId: string; } | ... 62 more ... | { ...; }'. L271:29: Element implicitly has an 'any' type because expression of type 'string' can't be used to index type '{ id: string; attributes: EventAttribute; timestamp: string; classification: "Scheduled" | "Unspecified" | "Open" | "New" | "Started" | "Initiated" | "Running" | ... 7 more ... | "CancelRequested"; ... 70 more ...; eventId: string; } | ... 62 more ... | { ...; }'. L273:8: Element implicitly has an 'any' type because expression of type 'string' can't be used to index type '{ id: string; attributes: EventAttribute; timestamp: string; classification: "Scheduled" | "Unspecified" | "Open" | "New" | "Started" | "Initiated" | "Running" | ... 7 more ... | "CancelRequested"; ... 70 more ...; eventId: string; } | ... 62 more ... | { ...; }'. L275:21: Element implicitly has an 'any' type because expression of type 'string' can't be used to index type '{ id: string; attributes: EventAttribute; timestamp: string; classification: "Scheduled" | "Unspecified" | "Open" | "New" | "Started" | "Initiated" | "Running" | ... 7 more ... | "CancelRequested"; ... 70 more ...; eventId: string; } | ... 62 more ... | { ...; }'. L277:10: Element implicitly has an 'any' type because expression of type 'string' can't be used to index type '{ id: string; attributes: EventAttribute; timestamp: string; classification: "Scheduled" | "Unspecified" | "Open" | "New" | "Started" | "Initiated" | "Running" | ... 7 more ... | "CancelRequested"; ... 70 more ...; eventId: string; } | ... 62 more ... | { ...; }'. src/lib/holocene/markdown-editor/preview.svelte (1) L34:6: 'iframe.contentWindow' is possibly 'null'. temporal/client.ts (1) L37:3: Function lacks ending return statement and return type does not include 'undefined'.

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