Use raw body for managed comment comparison

[kitsuyui]

Summary

• compare existing managed comments with the raw markdown body when available
• keep body_text as a fallback for comment payloads without body
• cover the GitHub API shape where body_text omits the HTML comment marker

Validation

• bun install --frozen-lockfile
• bun run build
• bun run lint
• bun run test
• git diff --check

[github-actions]

🎉 Happy commit!

• dogfooding: PR Use raw body for managed comment comparison #830 always celebrates.
• dogfooding: 022bf20c8e1d389e7fc08b83413487207852fb76 always celebrates.

[github-actions]

gh-counter

PR gate

	Removed	Added	+/-
TODO/FIXME	0	0	0

Repo dashboard

	main (048b9dd)	#830 (d4bf64f)	+/-
TODO/FIXME	0	0	0

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Reported by gh-counter

[github-actions]

Code Metrics Report

	main (048b9dd)	#830 (d4bf64f)	+/-
Coverage	99.0%	99.0%	0.0%
Code to Test Ratio	1:0.5	1:0.5	0.0
Test Execution Time	1s	1s	0s

Details

  |                     | main (048b9dd) | #830 (d4bf64f) | +/-  |
  |---------------------|----------------|----------------|------|
  | Coverage            |          99.0% |          99.0% | 0.0% |
  |   Files             |              5 |              5 |    0 |
  |   Lines             |            107 |            107 |    0 |
  |   Covered           |            106 |            106 |    0 |
  | Code to Test Ratio  |          1:0.5 |          1:0.5 |  0.0 |
  |   Code              |           1408 |           1408 |    0 |
  |   Test              |            777 |            777 |    0 |
  | Test Execution Time |             1s |             1s |   0s |

Code coverage of files in pull request scope (100.0% → 100.0%)

Files	Coverage	+/-	Status
src/github.ts	100.0%	0.0%	modified

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Reported by octocov

[github-actions]

gh-build-size

Target	main	#830	+/-
Total action artifacts	23,290,052 B	23,290,132 B	+80 B
Runtime bundle	1,151,843 B	1,151,854 B	+11 B
Source maps	17,122,599 B	17,122,668 B	+69 B

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Reported by gh-build-size