♻️ [RUM-16925] switch debug_ids to recommended URL/Debug-ID array format

[amortemousque]

Summary

• _dd.debug_ids on RUM error and long task/LoAF events now serializes as an array of { url, id } entries instead of a { [url]: id } map, per the recommended format — the map shape was discouraged because keys containing dots get split into nested objects by the event platform.
• Bumped @datadog/rum-events-format pin to 31cc845 (already merged upstream) and regenerated rumEvent.types.ts via yarn json-schemas:sync.
• buildDebugIdByUrl() in sourceCodeContext.ts now returns DebugIdEntry[] | undefined instead of a map (same name/signature otherwise).
• Added 'array' as a valid ModifiableFieldPaths type so beforeSend redaction still works on _dd.debug_ids.

Test plan

• yarn typecheck passes
• yarn lint passes
• Updated unit tests in sourceCodeContext.spec.ts, error.spec.ts, errorCollection.spec.ts, longTaskCollection.spec.ts, assembly.spec.ts, createErrorFieldFromRawError.spec.ts — all green
• Updated E2E assertions in microfrontend.scenario.ts to match the array shape

[datadog-datadog-us1-prod]

 

✨ Fix all issues with BitsAI

⚠️ Warnings

🚦 1 Pipeline job failed

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ℹ️ Info

No other issues found (see more)

🧪 All tests passed
❄️ No new flaky tests detected

🎯 Code Coverage (details)
• Patch Coverage: 66.67%
• Overall Coverage: 77.26% (+0.00%)

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[cit-pr-commenter-54b7da]

Bundles Sizes Evolution

📦 Bundle Name	Base Size	Local Size	𝚫	𝚫%	Status
Rum	178.25 KiB	178.37 KiB	+119 B	+0.07%	✅
Rum Profiler	8.22 KiB	8.22 KiB	0 B	0.00%	✅
Rum Recorder	21.14 KiB	21.14 KiB	0 B	0.00%	✅
Logs	55.47 KiB	55.53 KiB	+55 B	+0.10%	✅
Rum Slim	136.17 KiB	136.27 KiB	+102 B	+0.07%	✅
Worker	22.96 KiB	22.96 KiB	0 B	0.00%	✅