👷‍♀️ Add telemetry to debug text diff with tree walker

[cy-moi]

Motivation

We want to monitor the different results from tree walker approach and innerText.

Changes

Run both strategies behind the FF and send telemetries when they are different.

Test instructions

Checklist

• Tested locally
• Tested on staging
• Added unit tests for this change.
• Added e2e/integration tests for this change.

[cy-moi]

/to-staging

[dd-devflow-routing-codex]

View all feedbacks in Devflow UI.

2025-08-26 12:09:27 UTC ℹ️ Start processing command /to-staging

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2025-08-26 12:09:37 UTC ℹ️ Branch Integration: starting soon, merge expected in approximately 0s (p90)

Commit 6890d08280 will soon be integrated into staging-35.

---

2025-08-26 12:21:32 UTC ℹ️ Branch Integration: this commit was successfully integrated

Commit 6890d08280 has been merged into staging-35 in merge commit 1ddfd7ba59.

Check out the triggered pipeline on Gitlab 🦊

If you need to revert this integration, you can use the following command: /code revert-integration -b staging-35

[datadog-datadog-prod-us1]

✅ Tests

🎉 All green!

❄️ No new flaky tests detected
🧪 All tests passed

🎯 Code Coverage
• Patch Coverage: 100.00%
• Total Coverage: 92.48% (-0.04%)

View detailed report

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 55397d5 | Docs | Was this helpful? Give us feedback!}

[cit-pr-commenter]

Bundles Sizes Evolution

📦 Bundle Name	Base Size	Local Size	𝚫	𝚫%	Status
Rum	154.99 KiB	155.14 KiB	154 B	0.10%	✅
Rum Recorder	19.53 KiB	19.53 KiB	0 B	0.00%	✅
Rum Profiler	5.18 KiB	5.18 KiB	0 B	0.00%	✅
Logs	55.11 KiB	55.11 KiB	0 B	0.00%	✅
Flagging	N/A	931 B	931 B	N/A%	✅
Rum Slim	112.86 KiB	113.00 KiB	148 B	0.13%	✅
Worker	23.60 KiB	23.60 KiB	0 B	0.00%	✅

🚀 CPU Performance

Action Name	Base Average Cpu Time (ms)	Local Average Cpu Time (ms)	𝚫
addglobalcontext	0.013	0.011	-0.001
addaction	0.043	0.035	-0.007
addtiming	0.009	0.007	-0.001
adderror	0.038	0.039	0.001
startstopsessionreplayrecording	0.002	0.002	0.000
startview	0.010	0.009	-0.002
logmessage	0.037	0.043	0.006

🧠 Memory Performance

Action Name	Base Consumption Memory (bytes)	Local Consumption Memory (bytes)	𝚫 (bytes)
addglobalcontext	25.64 KiB	25.52 KiB	-118 B
addaction	45.51 KiB	46.00 KiB	499 B
addtiming	25.09 KiB	24.94 KiB	-156 B
adderror	49.92 KiB	50.97 KiB	1.05 KiB
startstopsessionreplayrecording	24.40 KiB	25.18 KiB	793 B
startview	421.01 KiB	425.48 KiB	4.46 KiB
logmessage	75.54 KiB	41.81 KiB	-34540 B

🔗 RealWorld

[cy-moi]

/to-staging

[dd-devflow-routing-codex]

View all feedbacks in Devflow UI.

2025-08-26 14:33:51 UTC ℹ️ Start processing command /to-staging

---

2025-08-26 14:34:14 UTC ℹ️ Branch Integration: starting soon, merge expected in approximately 11m49s (p90)

Commit 55397d5963 will soon be integrated into staging-35.

---

2025-08-26 14:49:28 UTC ℹ️ Branch Integration: this commit was successfully integrated

Commit 55397d5963 has been merged into staging-35 in merge commit 258af36764.

Check out the triggered pipeline on Gitlab 🦊

If you need to revert this integration, you can use the following command: /code revert-integration -b staging-35