Unified session report drops Claude sessions that continue past --until #2016

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1. pullfrog commented on Nov 2, 2026

   

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2. pullfrog

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   bugSomething isn't workingSomething isn't working

   priority:mediumA normal bug or meaningful improvement.A normal bug or meaningful improvement.

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3. github-actions

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   priority:highHigh user impact or an important regression.High user impact or an important regression.

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4. github-actions commented on Nov 2, 2026

   

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   Pullfrog triage: priority:high
   Kind: bug
   Maintenance fit: maintainable
   Confidence: high

   Unified session drops Claude sessions continuing past --until, omitting in-window usage that focused claude session includes. Report shows 14 missing sessions and about $151 missing cost on the same window, so focused reports do not add up to unified. This is material cost misreporting and cross-command incompatibility.

   Decision: kept open; Pullfrog will attempt a focused implementation PR.
5. igorovh commented on Nov 4, 2026

   

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   on Nov 4, 2026

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   I have a fix for this on my fork. Unfortunately I don't have permission to open PRs here yet (GitHub rejects createPullRequest for my account), so I'm leaving the branch for now. As soon as I get permission, I'll open the PR:

   main...igorovh:ccusage:fix/unified-session-date-window

   What it changes

   • In unified session reports, Claude entries are filtered by date before sessions are built, the same way ccusage claude session and the other unified sources already do it. A session that continues past --until now shows its in-window usage instead of disappearing, and a session started before --since no longer brings its earlier usage along.
   • OpenCode claude-agent rows (fix(all): count OpenCode Claude Agent turns once in unified reports #2007) still match by whole session, so a turn that crosses midnight is counted once. Only sessions with in-window Claude usage count now, and a row is skipped only when its date is also inside the Claude source's date range.
   • DedupedEntries now keeps the index of the kept entry for each merged copy (resumed or forked transcripts), so the copy's session counts on the same day as the kept entry, as in the daily loader. main_thread_sessions is replaced by main_thread_session_days.

   Is it fixed? Examples

   My real data, --since 20261030 --until 20261101:

   	Before (v20.0.48)	After
   Claude part of ccusage session	48 sessions, $368.87	62 sessions, $520.34
   ccusage claude session	62 sessions, $520.34	62 sessions, $520.34
   OpenCode part of ccusage session	$454.91	$171.26
   ccusage session total	$823.78	$691.60
   ccusage daily total	$691.60	$691.60

   The Claude part now matches ccusage claude session exactly, and the unified session total equals the unified daily total (cache read matches to the token). The OpenCode part dropped because the Claude Agent turns of the 14 previously missing sessions were kept under OpenCode, priced from the opus alias, and are now counted once under Claude.

   Minimal repro (new CLI test unified_sessions_count_the_in_window_usage_of_a_session_active_past_until): one session with $1 on 2026-09-11 23:30 UTC and $2 on 2026-09-12 00:30 UTC, reported with --since 20260911 --until 20260911 --timezone UTC:

   Command	Before	After
   ccusage claude session	$1.00	$1.00
   ccusage session	$0.00	$1.00

   I checked that the test fails without the fix (left: 0, right: 1.0) and passes with it.

   Behavior change

   ccusage session --since X no longer counts usage from before X for sessions that started earlier. bounded_unified_sessions_keep_old_subagent_files asserted that (a subagent from 2026-09-01 with --since 20260910 added $2), so I renamed it to bounded_unified_sessions_count_only_in_window_usage_of_old_subagent_files, and it now expects $1, matching ccusage claude session.

   Tests

   • New: the CLI test above, plus unified_session_counts_a_claude_agent_session_active_past_until_once in adapter-all.
   • The fix(all): count OpenCode Claude Agent turns once in unified reports #2007 tests for the midnight crossing, a mixed session, and a per-source Claude window pass unchanged.
   • cargo clippy --workspace --all-targets -- -D warnings and cargo fmt --check are clean. 4 existing tests fail on Windows only (http cache dir, two statusline tests, and the Antigravity path separator). This change doesn't touch their code, but I haven't run them on a clean main.
6. ryoppippi

   added 2 commits that reference this issue on Nov 9, 2026

   test(all): assert which source keeps a session that runs past --until

   ...

   dc67933

   test(claude): cover cross-session copy attribution on a different day

   ...

   b635c35
7. ryoppippi

   closed this as completedin #2052on Nov 9, 2026
8. viniciusdsandrade

   added a commit that references this issue on Nov 10, 2026

   fix(all): count only in-window Claude usage in unified session reports (

   ...

   This issue will close once commit 5f31039 is merged into the 'main' branch.

   5f31039