fix: metering buffer improvements for manual editing

[Salazareo]

No description provided.

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	93.64% 🟰 ±0%	24461 / 26121
🔵	Statements	91.91% 🟰 ±0%	26405 / 28727
🔵	Functions	89.8% ⬆️ +0.01%	4255 / 4738
🔵	Branches	80.38% ⬆️ +0.01%	17764 / 22100

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
src/backend/services/metering/MeteringService.ts	90.65% ⬆️ +0.04%	86.2% 🟰 ±0%	89.74% 🟰 ±0%	91.61% ⬆️ +0.04%	226, 243-244, 258, 310, 343-344, 536-557, 722-741, 790, 1095, 1283, 1333-1334, 1356-1357, 1411-1412, 1455-1460, 1595, 1608-1610, 1746, 1873, 1930-1970
src/backend/stores/metering/MeteringBufferStore.ts	94.47% ⬆️ +0.15%	81.37% ⬆️ +0.61%	95.38% ⬆️ +0.22%	95.39% ⬇️ -0.23%	248, 299-302, 318-320, 347-349, 459, 488-490, 493, 502-504, 545-547, 570, 670-675, 736, 741-742, 815-821

Generated in workflow #826 for commit 1f054ff by the Vitest Coverage Report Action