♻️ inline lazyLoadRecorder into postStartStrategy using mockable()

[BenoitZugmeyer]

Motivation

Simplification

Changes

Removes the loadRecorder parameter from makeRecorderApi and createPostStartStrategy, simplifying call sites. Testability is preserved via replaceMockableWithSpy.

Test instructions

Minor change, if CI is green it should be fine.
You could manually test that Session Replay still works.

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

[datadog-prod-us1-5]

✅ Tests

🎉 All green!

❄️ No new flaky tests detected
🧪 All tests passed

🎯 Code Coverage (details)
• Patch Coverage: 100.00%
• Overall Coverage: 77.21% (+0.00%)

_{This comment will be updated automatically if new data arrives.
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[cit-pr-commenter-54b7da]

Bundles Sizes Evolution

📦 Bundle Name	Base Size	Local Size	𝚫	𝚫%	Status
Rum	175.04 KiB	175.04 KiB	-3 B	-0.00%	✅
Rum Profiler	6.16 KiB	6.16 KiB	0 B	0.00%	✅
Rum Recorder	27.46 KiB	27.46 KiB	0 B	0.00%	✅
Logs	56.84 KiB	56.84 KiB	0 B	0.00%	✅
Flagging	944 B	944 B	0 B	0.00%	✅
Rum Slim	130.69 KiB	130.69 KiB	0 B	0.00%	✅
Worker	23.63 KiB	23.63 KiB	0 B	0.00%	✅

🚀 CPU Performance

Action Name	Base CPU Time (ms)	Local CPU Time (ms)	𝚫%
RUM - add global context	0.0047	0.0072	+53.19%
RUM - add action	0.0153	0.0271	+77.12%
RUM - add error	0.0148	0.022	+48.65%
RUM - add timing	0.0035	0.0039	+11.43%
RUM - start view	0.0172	0.0175	+1.74%
RUM - start/stop session replay recording	0.001	0.001	0.00%
Logs - log message	0.0212	0.0276	+30.19%

🧠 Memory Performance

Action Name	Base Memory Consumption	Local Memory Consumption	𝚫
RUM - add global context	26.59 KiB	27.25 KiB	+678 B
RUM - add action	51.97 KiB	52.95 KiB	+1003 B
RUM - add timing	26.34 KiB	26.59 KiB	+248 B
RUM - add error	54.66 KiB	55.96 KiB	+1.30 KiB
RUM - start/stop session replay recording	25.33 KiB	25.44 KiB	+118 B
RUM - start view	461.84 KiB	462.29 KiB	+455 B
Logs - log message	44.77 KiB	45.10 KiB	+337 B

🔗 RealWorld