Function removeTimeblockFromDailyNote

src/utils/helpers.ts:900–918

* Removes a timeblock from a daily note

(
	app: App,
	dailyNote: TFile,
	timeblockId: string
)

 * Removes a timeblock from a daily note
 */
async function removeTimeblockFromDailyNote(
	app: App,
	dailyNote: TFile,
	timeblockId: string
): Promise<void> {
	const content = await app.vault.read(dailyNote);
	const frontmatter =
		(extractFrontmatter(content) as DailyNoteFrontmatterWithTimeblocks | null) || {};

	if (!frontmatter.timeblocks || !Array.isArray(frontmatter.timeblocks)) {
		return; // No timeblocks to remove
	}

	// Remove the timeblock
	frontmatter.timeblocks = frontmatter.timeblocks.filter((tb) => tb.id !== timeblockId);

	// Save back to file
	await updateDailyNoteFrontmatter(app, dailyNote, frontmatter, content);
}

/**
 * Adds a timeblock to a daily note (creating the note if needed)