🐛 Send partial snapshots after debugger capture timeout

[watson]

Motivation

Debugger snapshots were dropped when snapshot capture exceeded the timeout budget. This meant customers could miss useful partial snapshot data, including timeout markers that explain why capture is incomplete.

Changes

Stop skipping snapshot delivery when capture times out in onEntry, onReturn, and onThrow.

Update unit tests to expect partial snapshots to be sent for entry, return, throw, and shared-deadline timeout cases.

Test instructions

Run yarn test:unit --spec packages/browser-debugger/src/domain/api.spec.ts --spec packages/browser-debugger/src/domain/capture.spec.ts

Checklist

• Tested locally
• Tested on staging
• Added unit tests for this change.
• Added e2e/integration tests for this change.
• Updated documentation and/or relevant AGENTS.md file

[watson]

• 🐛 Send partial snapshots after debugger capture timeout #4734 👈 (View in Graphite)
• main

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[cit-pr-commenter-54b7da]

Bundles Sizes Evolution

📦 Bundle Name	Base Size	Local Size	𝚫	𝚫%	Status
Rum	171.86 KiB	171.86 KiB	0 B	0.00%	✅
Rum Profiler	7.88 KiB	7.88 KiB	0 B	0.00%	✅
Rum Recorder	21.21 KiB	21.21 KiB	0 B	0.00%	✅
Logs	54.31 KiB	54.31 KiB	0 B	0.00%	✅
Rum Slim	129.69 KiB	129.69 KiB	0 B	0.00%	✅
Worker	22.96 KiB	22.96 KiB	0 B	0.00%	✅

[datadog-datadog-prod-us1-2]

🎉 All green!

🧪 All tests passed
❄️ No new flaky tests detected

🎯 Code Coverage (details)
• Patch Coverage: 100.00%
• Overall Coverage: 76.74% (+0.02%)

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