diff --git a/apps/ccusage/scripts/generate-json-schema.ts b/apps/ccusage/scripts/generate-json-schema.ts
index 404d549e9..b36f1956e 100755
--- a/apps/ccusage/scripts/generate-json-schema.ts
+++ b/apps/ccusage/scripts/generate-json-schema.ts
@@ -13,12 +13,12 @@
 import process from 'node:process';
 import { Result } from '@praha/byethrow';
 import { $ } from 'bun';
-import { sharedArgs } from '../src/_shared-args.ts';
 // Import command definitions to access their args
 import { subCommandUnion } from '../src/commands/index.ts';
-
 import { logger } from '../src/logger.ts';
 
+import { sharedArgs } from '../src/shared-args.ts';
+
 /**
  * The filename for the generated JSON Schema file.
  * Used for both root directory and docs/public directory output.
diff --git a/apps/ccusage/src/calculate-cost.ts b/apps/ccusage/src/calculate-cost.ts
index 57ea7a237..7b9b19c46 100644
--- a/apps/ccusage/src/calculate-cost.ts
+++ b/apps/ccusage/src/calculate-cost.ts
@@ -8,9 +8,9 @@
  * @module calculate-cost
  */
 
-import type { AggregatedTokenCounts } from './_token-utils.ts';
 import type { DailyUsage, MonthlyUsage, SessionUsage, WeeklyUsage } from './data-loader.ts';
-import { getTotalTokens } from './_token-utils.ts';
+import type { AggregatedTokenCounts } from './token-utils.ts';
+import { getTotalTokens } from './token-utils.ts';
 import {
 	createActivityDate,
 	createDailyDate,
@@ -18,11 +18,11 @@ import {
 	createProjectPath,
 	createSessionId,
 	createVersion,
-} from './_types.ts';
+} from './types.ts';
 
 /**
  * Alias for AggregatedTokenCounts from shared utilities
- * @deprecated Use AggregatedTokenCounts from _token-utils.ts instead
+ * @deprecated Use AggregatedTokenCounts from token-utils.ts instead
  */
 type TokenData = AggregatedTokenCounts;
 
diff --git a/apps/ccusage/src/cli.ts b/apps/ccusage/src/cli.ts
index f69939a9f..0cadced0f 100755
--- a/apps/ccusage/src/cli.ts
+++ b/apps/ccusage/src/cli.ts
@@ -4,7 +4,7 @@ import { accessSync, constants, statSync } from 'node:fs';
 import { delimiter, dirname, join } from 'node:path';
 import process from 'node:process';
 import { fileURLToPath } from 'node:url';
-import { CCUSAGE_BUN_AUTO_RUN_DISABLED_VALUE, CCUSAGE_BUN_AUTO_RUN_ENV } from './_env.ts';
+import { CCUSAGE_BUN_AUTO_RUN_DISABLED_VALUE, CCUSAGE_BUN_AUTO_RUN_ENV } from './env.ts';
 
 function getExecutableNames(
 	command: string,
diff --git a/apps/ccusage/src/commands/all.ts b/apps/ccusage/src/commands/all.ts
index 0d11fd902..77d3686ee 100644
--- a/apps/ccusage/src/commands/all.ts
+++ b/apps/ccusage/src/commands/all.ts
@@ -43,9 +43,9 @@ import {
 	DEFAULT_CLAUDE_CODE_PATH,
 	DEFAULT_CLAUDE_CONFIG_PATH,
 	USER_HOME_DIR,
-} from '../_consts.ts';
-import { formatDate, formatDateCompact, getDateStringWeek } from '../_date-utils.ts';
+} from '../consts.ts';
 import { loadDailyUsageData, loadMonthlyUsageData, loadSessionData } from '../data-loader.ts';
+import { formatDate, formatDateCompact, getDateStringWeek } from '../date-utils.ts';
 import { logger, writeStdoutLine } from '../logger.ts';
 
 type AgentId = 'claude' | 'codex' | 'opencode' | 'amp' | 'pi';
diff --git a/apps/ccusage/src/commands/blocks.ts b/apps/ccusage/src/commands/blocks.ts
index 559f2bb05..2583f43b2 100644
--- a/apps/ccusage/src/commands/blocks.ts
+++ b/apps/ccusage/src/commands/blocks.ts
@@ -1,4 +1,4 @@
-import type { SessionBlock } from '../_session-blocks.ts';
+import type { SessionBlock } from '../session-blocks.ts';
 import process from 'node:process';
 import * as pc from '@ccusage/internal/colors';
 import {
@@ -8,23 +8,23 @@ import {
 	ResponsiveTable,
 } from '@ccusage/terminal/table';
 import { define } from 'gunshi';
-import { loadConfig, mergeConfigWithArgs } from '../_config-loader-tokens.ts';
+import { loadConfig, mergeConfigWithArgs } from '../config-loader-tokens.ts';
 import {
 	BLOCKS_COMPACT_WIDTH_THRESHOLD,
 	BLOCKS_DEFAULT_TERMINAL_WIDTH,
 	BLOCKS_WARNING_THRESHOLD,
 	DEFAULT_RECENT_DAYS,
-} from '../_consts.ts';
+} from '../consts.ts';
+import { loadSessionBlockData } from '../data-loader.ts';
+import { log, logger, writeStdoutLine } from '../logger.ts';
 import {
 	calculateBurnRate,
 	DEFAULT_SESSION_DURATION_HOURS,
 	filterRecentBlocks,
 	projectBlockUsage,
-} from '../_session-blocks.ts';
-import { sharedCommandConfig } from '../_shared-args.ts';
-import { getTotalTokens } from '../_token-utils.ts';
-import { loadSessionBlockData } from '../data-loader.ts';
-import { log, logger, writeStdoutLine } from '../logger.ts';
+} from '../session-blocks.ts';
+import { sharedCommandConfig } from '../shared-args.ts';
+import { getTotalTokens } from '../token-utils.ts';
 
 /**
  * Formats the time display for a session block
diff --git a/apps/ccusage/src/commands/daily.ts b/apps/ccusage/src/commands/daily.ts
index 461ce9a2b..1998a1078 100644
--- a/apps/ccusage/src/commands/daily.ts
+++ b/apps/ccusage/src/commands/daily.ts
@@ -9,15 +9,15 @@ import {
 	pushBreakdownRows,
 } from '@ccusage/terminal/table';
 import { define } from 'gunshi';
-import { loadConfig, mergeConfigWithArgs } from '../_config-loader-tokens.ts';
-import { groupByProject, groupDataByProject } from '../_daily-grouping.ts';
-import { formatDateCompact } from '../_date-utils.ts';
-import { formatProjectName } from '../_project-names.ts';
-import { sharedCommandConfig } from '../_shared-args.ts';
 import { calculateTotals, createTotalsObject, getTotalTokens } from '../calculate-cost.ts';
+import { loadConfig, mergeConfigWithArgs } from '../config-loader-tokens.ts';
+import { groupByProject, groupDataByProject } from '../daily-grouping.ts';
 import { loadDailyUsageData } from '../data-loader.ts';
+import { formatDateCompact } from '../date-utils.ts';
 import { detectMismatches, printMismatchReport } from '../debug.ts';
 import { logger, writeStdoutLine } from '../logger.ts';
+import { formatProjectName } from '../project-names.ts';
+import { sharedCommandConfig } from '../shared-args.ts';
 
 export const dailyCommand = define({
 	name: 'daily',
diff --git a/apps/ccusage/src/commands/monthly.ts b/apps/ccusage/src/commands/monthly.ts
index 63ed543f9..4e850f8fa 100644
--- a/apps/ccusage/src/commands/monthly.ts
+++ b/apps/ccusage/src/commands/monthly.ts
@@ -8,13 +8,13 @@ import {
 	pushBreakdownRows,
 } from '@ccusage/terminal/table';
 import { define } from 'gunshi';
-import { loadConfig, mergeConfigWithArgs } from '../_config-loader-tokens.ts';
-import { formatDateCompact } from '../_date-utils.ts';
-import { sharedCommandConfig } from '../_shared-args.ts';
 import { calculateTotals, createTotalsObject, getTotalTokens } from '../calculate-cost.ts';
+import { loadConfig, mergeConfigWithArgs } from '../config-loader-tokens.ts';
 import { loadMonthlyUsageData } from '../data-loader.ts';
+import { formatDateCompact } from '../date-utils.ts';
 import { detectMismatches, printMismatchReport } from '../debug.ts';
 import { logger, writeStdoutLine } from '../logger.ts';
+import { sharedCommandConfig } from '../shared-args.ts';
 
 export const monthlyCommand = define({
 	name: 'monthly',
diff --git a/apps/ccusage/src/commands/session.ts b/apps/ccusage/src/commands/session.ts
index becf0275e..3e1a6e6c9 100644
--- a/apps/ccusage/src/commands/session.ts
+++ b/apps/ccusage/src/commands/session.ts
@@ -8,14 +8,14 @@ import {
 	pushBreakdownRows,
 } from '@ccusage/terminal/table';
 import { define } from 'gunshi';
-import { loadConfig, mergeConfigWithArgs } from '../_config-loader-tokens.ts';
-import { formatDateCompact } from '../_date-utils.ts';
-import { sharedCommandConfig } from '../_shared-args.ts';
 import { calculateTotals, createTotalsObject, getTotalTokens } from '../calculate-cost.ts';
+import { loadConfig, mergeConfigWithArgs } from '../config-loader-tokens.ts';
 import { loadSessionData } from '../data-loader.ts';
+import { formatDateCompact } from '../date-utils.ts';
 import { detectMismatches, printMismatchReport } from '../debug.ts';
 import { logger, writeStdoutLine } from '../logger.ts';
-import { handleSessionIdLookup } from './_session_id.ts';
+import { sharedCommandConfig } from '../shared-args.ts';
+import { handleSessionIdLookup } from './session_id.ts';
 
 // eslint-disable-next-line ts/no-unused-vars
 const { order: _, ...sharedArgs } = sharedCommandConfig.args;
diff --git a/apps/ccusage/src/commands/_session_id.ts b/apps/ccusage/src/commands/session_id.ts
similarity index 96%
rename from apps/ccusage/src/commands/_session_id.ts
rename to apps/ccusage/src/commands/session_id.ts
index 951abff20..dedf4689a 100644
--- a/apps/ccusage/src/commands/_session_id.ts
+++ b/apps/ccusage/src/commands/session_id.ts
@@ -1,9 +1,9 @@
-import type { CostMode } from '../_types.ts';
 import type { UsageData } from '../data-loader.ts';
+import type { CostMode } from '../types.ts';
 import process from 'node:process';
 import { formatCurrency, formatNumber, ResponsiveTable } from '@ccusage/terminal/table';
-import { formatDateCompact } from '../_date-utils.ts';
 import { loadSessionUsageById } from '../data-loader.ts';
+import { formatDateCompact } from '../date-utils.ts';
 import { log, logger, writeStdoutLine } from '../logger.ts';
 
 export type SessionIdContext = {
diff --git a/apps/ccusage/src/commands/statusline.ts b/apps/ccusage/src/commands/statusline.ts
index da4b925af..982e5819d 100644
--- a/apps/ccusage/src/commands/statusline.ts
+++ b/apps/ccusage/src/commands/statusline.ts
@@ -9,13 +9,9 @@ import { Result } from '@praha/byethrow';
 import getStdin from 'get-stdin';
 import { define } from 'gunshi';
 import * as v from 'valibot';
-import { loadConfig, mergeConfigWithArgs } from '../_config-loader-tokens.ts';
-import { DEFAULT_CONTEXT_USAGE_THRESHOLDS, DEFAULT_REFRESH_INTERVAL_SECONDS } from '../_consts.ts';
-import { calculateBurnRate } from '../_session-blocks.ts';
-import { sharedArgs } from '../_shared-args.ts';
-import { statuslineHookJsonSchema } from '../_types.ts';
-import { getFileModifiedTime, unreachable } from '../_utils.ts';
 import { calculateTotals } from '../calculate-cost.ts';
+import { loadConfig, mergeConfigWithArgs } from '../config-loader-tokens.ts';
+import { DEFAULT_CONTEXT_USAGE_THRESHOLDS, DEFAULT_REFRESH_INTERVAL_SECONDS } from '../consts.ts';
 import {
 	calculateContextTokens,
 	loadDailyUsageData,
@@ -23,6 +19,10 @@ import {
 	loadSessionUsageById,
 } from '../data-loader.ts';
 import { log, logger } from '../logger.ts';
+import { calculateBurnRate } from '../session-blocks.ts';
+import { sharedArgs } from '../shared-args.ts';
+import { statuslineHookJsonSchema } from '../types.ts';
+import { getFileModifiedTime, unreachable } from '../utils.ts';
 
 /**
  * Formats the remaining time for display
diff --git a/apps/ccusage/src/commands/weekly.ts b/apps/ccusage/src/commands/weekly.ts
index 28ef1d252..c659f6a32 100644
--- a/apps/ccusage/src/commands/weekly.ts
+++ b/apps/ccusage/src/commands/weekly.ts
@@ -8,14 +8,14 @@ import {
 	pushBreakdownRows,
 } from '@ccusage/terminal/table';
 import { define } from 'gunshi';
-import { loadConfig, mergeConfigWithArgs } from '../_config-loader-tokens.ts';
-import { WEEK_DAYS } from '../_consts.ts';
-import { formatDateCompact } from '../_date-utils.ts';
-import { sharedArgs } from '../_shared-args.ts';
 import { calculateTotals, createTotalsObject, getTotalTokens } from '../calculate-cost.ts';
+import { loadConfig, mergeConfigWithArgs } from '../config-loader-tokens.ts';
+import { WEEK_DAYS } from '../consts.ts';
 import { loadWeeklyUsageData } from '../data-loader.ts';
+import { formatDateCompact } from '../date-utils.ts';
 import { detectMismatches, printMismatchReport } from '../debug.ts';
 import { logger, writeStdoutLine } from '../logger.ts';
+import { sharedArgs } from '../shared-args.ts';
 
 export const weeklyCommand = define({
 	name: 'weekly',
diff --git a/apps/ccusage/src/_config-loader-tokens.ts b/apps/ccusage/src/config-loader-tokens.ts
similarity index 99%
rename from apps/ccusage/src/_config-loader-tokens.ts
rename to apps/ccusage/src/config-loader-tokens.ts
index 7b3a0ac38..ff5ca0ae8 100644
--- a/apps/ccusage/src/_config-loader-tokens.ts
+++ b/apps/ccusage/src/config-loader-tokens.ts
@@ -4,7 +4,7 @@ import process from 'node:process';
 import { toArray } from '@antfu/utils';
 import { Result } from '@praha/byethrow';
 import { createFixture } from 'fs-fixture';
-import { CONFIG_FILE_NAME } from './_consts.ts';
+import { CONFIG_FILE_NAME } from './consts.ts';
 import { getClaudePaths } from './data-loader.ts';
 import { logger } from './logger.ts';
 
diff --git a/apps/ccusage/src/_consts.ts b/apps/ccusage/src/consts.ts
similarity index 100%
rename from apps/ccusage/src/_consts.ts
rename to apps/ccusage/src/consts.ts
diff --git a/apps/ccusage/src/_daily-grouping.ts b/apps/ccusage/src/daily-grouping.ts
similarity index 96%
rename from apps/ccusage/src/_daily-grouping.ts
rename to apps/ccusage/src/daily-grouping.ts
index 18ecbe9da..f2704f4ad 100644
--- a/apps/ccusage/src/_daily-grouping.ts
+++ b/apps/ccusage/src/daily-grouping.ts
@@ -1,7 +1,7 @@
-import type { DailyProjectOutput } from './_json-output-types.ts';
 import type { loadDailyUsageData } from './data-loader.ts';
-import { createDailyDate, createModelName } from './_types.ts';
+import type { DailyProjectOutput } from './json-output-types.ts';
 import { getTotalTokens } from './calculate-cost.ts';
+import { createDailyDate, createModelName } from './types.ts';
 
 /**
  * Type for daily data returned from loadDailyUsageData
diff --git a/apps/ccusage/src/data-loader.ts b/apps/ccusage/src/data-loader.ts
index 2957b4384..5e58395a5 100644
--- a/apps/ccusage/src/data-loader.ts
+++ b/apps/ccusage/src/data-loader.ts
@@ -9,8 +9,8 @@
  */
 
 import type { LiteLLMModelPricing } from '@ccusage/internal/pricing';
-import type { WeekDay } from './_consts.ts';
-import type { LoadedUsageEntry, SessionBlock } from './_session-blocks.ts';
+import type { WeekDay } from './consts.ts';
+import type { LoadedUsageEntry, SessionBlock } from './session-blocks.ts';
 import type {
 	ActivityDate,
 	Bucket,
@@ -26,7 +26,7 @@ import type {
 	SortOrder,
 	Version,
 	WeeklyDate,
-} from './_types.ts';
+} from './types.ts';
 import { Buffer } from 'node:buffer';
 import { createReadStream, createWriteStream } from 'node:fs';
 import { open, readdir, readFile, stat, utimes } from 'node:fs/promises';
@@ -48,7 +48,7 @@ import {
 	DEFAULT_CLAUDE_CODE_PATH,
 	DEFAULT_CLAUDE_CONFIG_PATH,
 	USER_HOME_DIR,
-} from './_consts.ts';
+} from './consts.ts';
 import {
 	createCachedDateFormatter,
 	filterByDateRange,
@@ -56,9 +56,10 @@ import {
 	getDateStringWeek,
 	getDayNumber,
 	sortByDate,
-} from './_date-utils.ts';
-import { CLAUDE_PROVIDER_PREFIXES, PricingFetcher } from './_pricing-fetcher.ts';
-import { identifySessionBlocks } from './_session-blocks.ts';
+} from './date-utils.ts';
+import { logger } from './logger.ts';
+import { CLAUDE_PROVIDER_PREFIXES, PricingFetcher } from './pricing-fetcher.ts';
+import { identifySessionBlocks } from './session-blocks.ts';
 import {
 	createBucket,
 	createISOTimestamp,
@@ -73,9 +74,8 @@ import {
 	requestIdSchema,
 	sessionIdSchema,
 	versionSchema,
-} from './_types.ts';
-import { unreachable } from './_utils.ts';
-import { logger } from './logger.ts';
+} from './types.ts';
+import { unreachable } from './utils.ts';
 
 const USAGE_LINE_MARKER = '"usage":{';
 const USAGE_LINE_MARKER_BUFFER = Buffer.from(USAGE_LINE_MARKER);
diff --git a/apps/ccusage/src/_date-utils.ts b/apps/ccusage/src/date-utils.ts
similarity index 97%
rename from apps/ccusage/src/_date-utils.ts
rename to apps/ccusage/src/date-utils.ts
index 54dd51ccc..303a7bf15 100644
--- a/apps/ccusage/src/_date-utils.ts
+++ b/apps/ccusage/src/date-utils.ts
@@ -3,10 +3,10 @@
  * @module date-utils
  */
 
-import type { DayOfWeek, WeekDay } from './_consts.ts';
-import type { WeeklyDate } from './_types.ts';
-import { DEFAULT_LOCALE } from './_consts.ts';
-import { createWeeklyDate } from './_types.ts';
+import type { DayOfWeek, WeekDay } from './consts.ts';
+import type { WeeklyDate } from './types.ts';
+import { DEFAULT_LOCALE } from './consts.ts';
+import { createWeeklyDate } from './types.ts';
 
 export { sortByDate } from '@ccusage/internal/sort';
 // Re-export formatDateCompact from shared package
diff --git a/apps/ccusage/src/debug.ts b/apps/ccusage/src/debug.ts
index 435272774..68ef14388 100644
--- a/apps/ccusage/src/debug.ts
+++ b/apps/ccusage/src/debug.ts
@@ -12,10 +12,10 @@ import path from 'node:path';
 import { Result } from '@praha/byethrow';
 import { createFixture } from 'fs-fixture';
 import * as v from 'valibot';
-import { CLAUDE_PROJECTS_DIR_NAME, DEBUG_MATCH_THRESHOLD_PERCENT } from './_consts.ts';
-import { PricingFetcher } from './_pricing-fetcher.ts';
+import { CLAUDE_PROJECTS_DIR_NAME, DEBUG_MATCH_THRESHOLD_PERCENT } from './consts.ts';
 import { collectJsonlFiles, getClaudePaths, usageDataSchema } from './data-loader.ts';
 import { logger } from './logger.ts';
+import { PricingFetcher } from './pricing-fetcher.ts';
 
 /**
  * Represents a pricing discrepancy between original and calculated costs
diff --git a/apps/ccusage/src/_env.ts b/apps/ccusage/src/env.ts
similarity index 100%
rename from apps/ccusage/src/_env.ts
rename to apps/ccusage/src/env.ts
diff --git a/apps/ccusage/src/_json-output-types.ts b/apps/ccusage/src/json-output-types.ts
similarity index 93%
rename from apps/ccusage/src/_json-output-types.ts
rename to apps/ccusage/src/json-output-types.ts
index 7c62f2064..141707fc7 100644
--- a/apps/ccusage/src/_json-output-types.ts
+++ b/apps/ccusage/src/json-output-types.ts
@@ -8,8 +8,8 @@
  * @module json-output-types
  */
 
-import type { DailyDate, ModelName } from './_types.ts';
 import type { ModelBreakdown } from './data-loader.ts';
+import type { DailyDate, ModelName } from './types.ts';
 
 /**
  * Interface for daily command JSON output structure (groupByProject)
diff --git a/apps/ccusage/src/_macro.ts b/apps/ccusage/src/macro.ts
similarity index 100%
rename from apps/ccusage/src/_macro.ts
rename to apps/ccusage/src/macro.ts
diff --git a/apps/ccusage/src/_pricing-fetcher.ts b/apps/ccusage/src/pricing-fetcher.ts
similarity index 94%
rename from apps/ccusage/src/_pricing-fetcher.ts
rename to apps/ccusage/src/pricing-fetcher.ts
index 0741c9e0a..cd456518a 100644
--- a/apps/ccusage/src/_pricing-fetcher.ts
+++ b/apps/ccusage/src/pricing-fetcher.ts
@@ -1,7 +1,7 @@
 import { LiteLLMPricingFetcher } from '@ccusage/internal/pricing';
 import { Result } from '@praha/byethrow';
-import { prefetchClaudePricing } from './_macro.ts' with { type: 'macro' };
 import { logger } from './logger.ts';
+import { prefetchClaudePricing } from './macro.ts' with { type: 'macro' };
 
 export const CLAUDE_PROVIDER_PREFIXES = [
 	'anthropic/',
diff --git a/apps/ccusage/src/_project-names.ts b/apps/ccusage/src/project-names.ts
similarity index 100%
rename from apps/ccusage/src/_project-names.ts
rename to apps/ccusage/src/project-names.ts
diff --git a/apps/ccusage/src/_session-blocks.ts b/apps/ccusage/src/session-blocks.ts
similarity index 99%
rename from apps/ccusage/src/_session-blocks.ts
rename to apps/ccusage/src/session-blocks.ts
index 14ad58e02..b91b01387 100644
--- a/apps/ccusage/src/_session-blocks.ts
+++ b/apps/ccusage/src/session-blocks.ts
@@ -1,5 +1,5 @@
-import { DEFAULT_RECENT_DAYS } from './_consts.ts';
-import { getTotalTokens } from './_token-utils.ts';
+import { DEFAULT_RECENT_DAYS } from './consts.ts';
+import { getTotalTokens } from './token-utils.ts';
 
 /**
  * Default session duration in hours (Claude's billing block duration)
diff --git a/apps/ccusage/src/_shared-args.ts b/apps/ccusage/src/shared-args.ts
similarity index 95%
rename from apps/ccusage/src/_shared-args.ts
rename to apps/ccusage/src/shared-args.ts
index e7653d007..4bc1439c2 100644
--- a/apps/ccusage/src/_shared-args.ts
+++ b/apps/ccusage/src/shared-args.ts
@@ -1,7 +1,7 @@
 import type { Args } from 'gunshi';
-import type { CostMode, SortOrder } from './_types.ts';
+import type { CostMode, SortOrder } from './types.ts';
 import * as v from 'valibot';
-import { CostModes, filterDateSchema, SortOrders } from './_types.ts';
+import { CostModes, filterDateSchema, SortOrders } from './types.ts';
 
 /**
  * Parses and validates a date argument in YYYYMMDD format
diff --git a/apps/ccusage/src/_token-utils.ts b/apps/ccusage/src/token-utils.ts
similarity index 100%
rename from apps/ccusage/src/_token-utils.ts
rename to apps/ccusage/src/token-utils.ts
diff --git a/apps/ccusage/src/_types.ts b/apps/ccusage/src/types.ts
similarity index 100%
rename from apps/ccusage/src/_types.ts
rename to apps/ccusage/src/types.ts
diff --git a/apps/ccusage/src/_utils.ts b/apps/ccusage/src/utils.ts
similarity index 100%
rename from apps/ccusage/src/_utils.ts
rename to apps/ccusage/src/utils.ts
diff --git a/apps/ccusage/tsdown.config.ts b/apps/ccusage/tsdown.config.ts
index 774d5bb62..634e1bf56 100644
--- a/apps/ccusage/tsdown.config.ts
+++ b/apps/ccusage/tsdown.config.ts
@@ -45,7 +45,7 @@ export default defineConfig({
 		Macros({
 			include: [
 				'src/index.ts',
-				'src/_pricing-fetcher.ts',
+				'src/pricing-fetcher.ts',
 				'../amp/src/pricing.ts',
 				'../codex/src/pricing.ts',
 			],