supabase / supabase / 26171080554

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fix(studio): parse auth log event_message JSON for human-readable display DEBUG-111 (#46147)

## Problem

Auth log entries store metadata as a stringified JSON object in the
`event_message` field (e.g. `{"msg":"user signed
in","level":"info","status":200,"path":"/auth/v1/token"}`). The
dashboard was rendering this raw JSON string in the event message column
instead of a human-readable message.

## Fix

Added `parseAuthLogEventMessage` utility to `UnifiedLogs.utils.ts` that
JSON-parses the `event_message` value and extracts the `msg` field,
falling back to the `error` field, then the original raw string. The raw
string fallback ensures self-hosted versions with different log formats
continue to render without breaking between releases.

Applied in two places:
- `UnifiedLogs/components/Columns.tsx`: event_message column for
`log_type === 'auth'` rows
- `Settings/Logs/LogColumnRenderers/AuthColumnRenderer.tsx`:
event_message fallback when `metadata.msg` is absent

## How to test

1. Open the Supabase dashboard and navigate to Logs > Auth Logs
2. Verify that log entries show a plain message (e.g. "login attempt",
"invalid password") in the event message column instead of a raw JSON
string
3. Navigate to the unified logs view and filter to auth logs only
4. Verify the event message column shows the same human-readable
messages
5. Confirm that non-auth log types (edge, postgres, etc.) are unaffected
6. Expected result: auth log entries show readable messages; all other
log sources are unchanged

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Bug Fixes**
* Auth log messages now display in a more readable, human-friendly
format by intelligently parsing message data.

* **Refactor**
* Removed tooltip functionality from the pathname column in logs view
for streamlined display.

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