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fix(daemon): convert cc_info timestamps to UTC before sending to server#196

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AnnatarHe merged 1 commit intomainfrom
fix/ccinfo-timezone-utc-conversion
Jan 4, 2026
Merged

fix(daemon): convert cc_info timestamps to UTC before sending to server#196
AnnatarHe merged 1 commit intomainfrom
fix/ccinfo-timezone-utc-conversion

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Summary

  • Convert local timezone timestamps to UTC before sending to the server in cc_info fetching
  • Fixes timezone mismatch when server stores/queries data in UTC but client sends local timezone offsets
  • Affects both daemon/cc_info_timer.go and model/cc_statusline_service.go

Test plan

  • All existing tests pass (go test ./daemon/... ./model/...)
  • Manual verification: Run daemon in non-UTC timezone and verify correct cost data is returned for "today"

🤖 Generated with Claude Code

The cc_info fetching was sending timestamps with local timezone offset
(e.g., "2026-01-04T00:00:00+08:00"), but the server stores data in UTC.
If the server doesn't properly parse the timezone offset, it causes a
mismatch in the returned data.

Now timestamps are converted to UTC before formatting, ensuring the
server receives unambiguous UTC values while still respecting the
user's local timezone for day/week/month boundaries.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary of Changes

Hello @AnnatarHe, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request resolves a critical timezone discrepancy in the cc_info fetching mechanism. By ensuring that all timestamps (since and until) are explicitly converted to UTC before being transmitted to the server, it prevents data inconsistencies that arise when the server operates in UTC while the client sends local time. This change guarantees accurate cost data retrieval and storage, particularly for daily cost calculations, by standardizing the time format used in server requests.

Highlights

  • Timezone Conversion: Implemented conversion of local timezone timestamps to UTC before sending them to the server for cc_info fetching.
  • Timezone Mismatch Fix: Addresses a timezone mismatch issue where the server expects UTC timestamps but the client was sending local timezone offsets, ensuring correct data storage and querying.
  • Affected Files: The changes impact daemon/cc_info_timer.go and model/cc_statusline_service.go, specifically in how since and until parameters are formatted for server requests.
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@AnnatarHe AnnatarHe merged commit c0dd522 into main Jan 4, 2026
2 checks passed
@AnnatarHe AnnatarHe deleted the fix/ccinfo-timezone-utc-conversion branch January 4, 2026 15:09
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codecov Bot commented Jan 4, 2026

Codecov Report

❌ Patch coverage is 50.00000% with 4 lines in your changes missing coverage. Please review.

Files with missing lines Patch % Lines
model/cc_statusline_service.go 0.00% 4 Missing ⚠️
Flag Coverage Δ
unittests 37.29% <50.00%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines Coverage Δ
daemon/cc_info_timer.go 95.34% <100.00%> (+0.07%) ⬆️
model/cc_statusline_service.go 0.00% <0.00%> (ø)

... and 2 files with indirect coverage changes

🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

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Code Review

This pull request correctly addresses a timezone mismatch issue by converting local timestamps to UTC before sending them to the server. The changes in daemon/cc_info_timer.go and model/cc_statusline_service.go are consistent and fix the problem as described. I've added a couple of suggestions to improve code conciseness by inlining the time conversion, which would reduce the number of temporary variables.

Comment thread daemon/cc_info_timer.go
Comment on lines +220 to 230
// Convert to UTC before sending to server to avoid timezone parsing issues
sinceUTC := since.UTC()
nowUTC := now.UTC()

variables := map[string]interface{}{
"filter": map[string]interface{}{
"since": since.Format(time.RFC3339),
"until": now.Format(time.RFC3339),
"since": sinceUTC.Format(time.RFC3339),
"until": nowUTC.Format(time.RFC3339),
"clientType": "claude_code",
},
}
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medium

For conciseness, you can inline the .UTC() calls and remove the temporary variables sinceUTC and nowUTC since they are used only once. This makes the code more direct and reduces verbosity.

	// Convert to UTC before sending to server to avoid timezone parsing issues
	variables := map[string]interface{}{
		"filter": map[string]interface{}{
			"since":      since.UTC().Format(time.RFC3339),
			"until":      now.UTC().Format(time.RFC3339),
			"clientType": "claude_code",
		},
	}

Comment on lines +58 to 68
// Convert to UTC before sending to server to avoid timezone parsing issues
startOfDayUTC := startOfDay.UTC()
nowUTC := now.UTC()

variables := map[string]interface{}{
"filter": map[string]interface{}{
"since": startOfDay.Format(time.RFC3339),
"until": now.Format(time.RFC3339),
"since": startOfDayUTC.Format(time.RFC3339),
"until": nowUTC.Format(time.RFC3339),
"clientType": "claude_code",
},
}
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medium

Similar to the other file, you can make this more concise by inlining the .UTC() calls and removing the temporary variables startOfDayUTC and nowUTC.

	// Convert to UTC before sending to server to avoid timezone parsing issues
	variables := map[string]interface{}{
		"filter": map[string]interface{}{
			"since":      startOfDay.UTC().Format(time.RFC3339),
			"until":      now.UTC().Format(time.RFC3339),
			"clientType": "claude_code",
		},
	}

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