feat: Erase .api property on agent instance

[cwli24]

The .api property of full and micro agents have been removed. The browser API methods are instead moved to the agent instance itself for ease of targeted access. This includes a minor fix of runtime loaderType for agents that are re-configured after load.

Overview

Instead of:

agent: {
 features: ...,
 info: ...,
 api: {
  setErrorHandler: () => {},
  setAPI: () => {},
  ...
 },
 ...
}

The API will now be:

agent: {
 features: ...,
 info: ...,
 setErrorHandler: () => {},
 setAPI: () => {},
 ...
}

mainOrMicroAgent.api.___ will still work as it will redirect up a level and call mainOrMicroAgent.___.

Related Issue(s)

https://new-relic.atlassian.net/browse/NR-172955

Testing

[github-actions]

Asset Size Report

Merging this pull request will result in the following asset size changes:

Agent	Asset	Previous Size	New Size	Diff
lite	loader	30.6 kB / 11.08 kB (gzip)	30.68 kB / 11.05 kB (gzip)	0.26% / -0.28% (gzip)
lite	async-chunk	52.82 kB / 17.23 kB (gzip)	52.8 kB / 17.23 kB (gzip)	-0.04% / -0.01% (gzip)
pro	loader	52.97 kB / 18.27 kB (gzip)	53.08 kB / 18.25 kB (gzip)	0.19% / -0.07% (gzip)
pro	async-chunk	101.3 kB / 30.89 kB (gzip)	101.28 kB / 30.88 kB (gzip)	-0.02% / -0.03% (gzip)
spa	loader	60.59 kB / 20.58 kB (gzip)	60.69 kB / 20.57 kB (gzip)	0.17% / -0.06% (gzip)
spa	async-chunk	116.01 kB / 35.23 kB (gzip)	115.99 kB / 35.23 kB (gzip)	-0.02% / -0.01% (gzip)

[codecov]

Codecov Report

Attention: Patch coverage is 88.37209% with 10 lines in your changes missing coverage. Please review.

Project coverage is 88.76%. Comparing base (f808447) to head (b81bf51).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
src/loaders/api/api.js	94.23%	3 Missing ⚠️
src/loaders/agent-base.js	0.00%	1 Missing and 1 partial ⚠️
src/loaders/micro-agent-base.js	0.00%	1 Missing and 1 partial ⚠️
src/loaders/micro-agent.js	0.00%	2 Missing ⚠️
src/features/utils/nr1-debugger.js	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1425      +/-   ##
==========================================
+ Coverage   88.72%   88.76%   +0.03%     
==========================================
  Files         170      170              
  Lines        7444     7439       -5     
  Branches     1512     1509       -3     
==========================================
- Hits         6605     6603       -2     
+ Misses        731      727       -4     
- Partials      108      109       +1     

Flag	Coverage Δ
integration-tests	90.92% <84.21%> (+0.05%)	⬆️
unit-tests	80.01% <83.33%> (-0.05%)	⬇️

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[github-actions]

Last ran on March 27, 2025 14:13:19 CDT
Checking merge of (b81bf51) into main (f808447)