fix(sentry): filter opaque Safari [object Event] noise

[koala73]

Summary

• Add ignoreErrors pattern for Safari 18.6 opaque Error: [object Event] with no stack trace
• Also resolved 2 CSP report noise issues in Sentry (img-src cdn.css-tricks.com from browser extensions, frame-src about from Samsung Tizen)
• All 3 issues marked resolved (inNextRelease) in Sentry

Test plan

• TypeScript type check passes
• Biome lint passes
• All 2748 unit/data tests pass
• Edge function bundle + isolation tests pass (146/146)
• Markdown lint passes
• Version sync passes

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
worldmonitor	Ignored		Apr 2, 2026 4:37pm

[greptile-apps]

Greptile Summary

This PR adds a single-line Sentry ignoreErrors filter (/^\[object Event\]$/) to suppress the opaque Safari 18.6 noise error [object Event], which carries no meaningful stack trace and cannot be actioned. The two accompanying CSP noise issues (cdn.css-tricks.com img-src and Samsung Tizen about frame-src) were resolved directly in Sentry's UI and do not require code changes.

The change fits cleanly into the existing pattern of browser-quirk noise suppression already established in src/main.ts (cf. /^Uncaught \[object ErrorEvent\]$/, /WKErrorDomain/, etc.)

• The added regex /^\[object Event\]$/ is correctly anchored (^/$) and targets only the exact string produced when a DOM Event object is coerced to a string — it is very unlikely to mask any real application error.
• Placement is consistent with adjacent browser-quirk patterns and follows the established code style.

Confidence Score: 5/5

• Safe to merge — the change is an additive, low-risk noise filter with no functional impact.
• Single regex added to an ignoreErrors array; the pattern is well-anchored, targets only the exact string [object Event] (a known browser-coercion artifact), and is consistent with a dozen similar patterns already in the file. No logic, no new dependencies, no risk of masking real errors.
• No files require special attention.

Important Files Changed

Filename	Overview
src/main.ts	Adds /^\[object Event\]$/ to Sentry's ignoreErrors list to suppress Safari 18.6 opaque noise events; no logic changes and no functional risk.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[Browser throws error] --> B{Sentry SDK intercepts}
    B --> C{Match ignoreErrors list?}
    C -- "Yes — e.g. /^\[object Event\]$/ (new)\nor /^Uncaught \[object ErrorEvent\]$/\nor /WKErrorDomain/ etc." --> D[Drop event — not sent to Sentry]
    C -- No --> E{beforeSend hook}
    E -- "msg.length <= 3 &\nalphanumeric-only" --> D
    E -- "MapLibre stack\nfilter match" --> D
    E -- Passes all filters --> F[Send event to Sentry]

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