feat(graphql): infer operationType from the req. body

[rgaignault]

Motivation

Changes

Test instructions

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

[cit-pr-commenter-54b7da]

Bundles Sizes Evolution

📦 Bundle Name	Base Size	Local Size	𝚫	𝚫%	Status
Rum	179.65 KiB	179.81 KiB	+161 B	+0.09%	✅
Rum Profiler	6.17 KiB	6.17 KiB	0 B	0.00%	✅
Rum Recorder	27.03 KiB	27.03 KiB	0 B	0.00%	✅
Logs	56.78 KiB	56.78 KiB	0 B	0.00%	✅
Rum Slim	135.50 KiB	135.66 KiB	+161 B	+0.12%	✅
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	0.0039	0.0039	0.00%
RUM - add action	0.0131	0.0143	+9.16%
RUM - add error	0.0117	0.0133	+13.68%
RUM - add timing	0.0025	0.0028	+12.00%
RUM - start view	0.0119	0.0125	+5.04%
RUM - start/stop session replay recording	0.0006	0.0007	+16.67%
Logs - log message	0.0138	0.0148	+7.25%

🧠 Memory Performance

Action Name	Base Memory Consumption	Local Memory Consumption	𝚫
RUM - add global context	31.78 KiB	31.60 KiB	-179 B
RUM - add action	56.94 KiB	56.01 KiB	-954 B
RUM - add timing	32.72 KiB	31.97 KiB	-767 B
RUM - add error	60.80 KiB	58.90 KiB	-1.89 KiB
RUM - start/stop session replay recording	32.10 KiB	31.31 KiB	-817 B
RUM - start view	484.29 KiB	482.98 KiB	-1.31 KiB
Logs - log message	95.66 KiB	98.41 KiB	+2.75 KiB

🔗 RealWorld