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fix: sort unified sessions by descending cost - #1720
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Restore the documented highest-cost-first session order, including session sections in combined reports. Use session ID and agent as deterministic tie breakers and preserve period report ordering. Cover JSON/table output, combined sections, ties, empty and single rows, and chronological period sorting. Fixes ccusage#1718
📝 WalkthroughWalkthroughSession reports now distinguish default ordering from explicit ordering. Default and explicit descending orders sort by highest cost first. Explicit ascending order sorts by lowest cost first. Period reports remain chronological, and parser, configuration, output, and documentation tests cover the behavior. ChangesSession ordering
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Bug fix · Severity of issue fixed: Medium Sequence Diagram(s)sequenceDiagram
participant CLI_or_Config
participant SharedArgs
participant SessionReport
participant JSON_or_Table
CLI_or_Config->>SharedArgs: set order and order_explicit
SharedArgs->>SessionReport: provide sorting configuration
SessionReport->>JSON_or_Table: emit ordered session rows
Suggested reviewers: Merge Risk: 🔵 Low · up to The session report guide can mislead users into expecting period sections to reverse under 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 64.71% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 17 functions across 6 files. (1 skipped: 1 unsupported.)
✨ Finishing Touches🧪 Generate unit tests (beta)
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All reported issues were addressed across 2 files
Reply with feedback, questions, or to request a fix.
Re-trigger cubic
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ℹ️ No blocking issues — one
--orderhandling point worth an explicit decision.
Reviewed changes — reviewed 8d2d1ce against main (unified session cost ordering for #1718).
- Session branch of
finish_rowsnow sorts unified session rows by descendingtotal_costwith session-ID then agent tie breakers, replacing the ID-basedsort_rowspath. - Added unit coverage for cost ordering, deterministic ties, empty/single-row reports, and chronological daily/weekly/monthly ordering.
- Added fixture-backed coverage asserting JSON and table session output rank highest cost first with totals preserved, including combined
--sectionsconsistency.
Muse Spark Contributor (free via Pullfrog for OSS) ｜ 𝕏
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@coderabbitai @cubic-dev-ai Please review 0f379cb, which honors explicit session sort direction while preserving the default and mixed-section period ordering. Both existing order threads have fix details and validation. Separately, the upstream PR Gate run failed to authenticate its judge. The "Ask Luna for a PR verdict" step selected |
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Actionable comments posted: 1
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Inline comments:
In `@docs/guide/session-reports.md`:
- Line 97: Update the mixed --sections documentation to state that daily,
weekly, and monthly period sections always remain chronological regardless of
--order, while the selected order applies only to session costs; preserve the
existing note about CLI flag precedence and the default behavior.
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ℹ️ Review info
⚙️ Run configuration
Configuration used: defaults
Review profile: CHILL
Plan: Advanced
Run ID: 55c94422-4c51-4279-9a81-3271589ea4da
📒 Files selected for processing (7)
docs/guide/session-reports.mdrust/crates/ccusage-adapter-all/src/loader.rsrust/crates/ccusage-adapter-all/src/tests.rsrust/crates/ccusage-cli-parser/src/parser.rsrust/crates/ccusage-cli-parser/src/tests.rsrust/crates/ccusage-cli/src/types.rsrust/crates/ccusage-config/src/config.rs
Included review availability: Your plan provides up to 10 included reviews per hour; 9 remain after this review.
🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
git show --stat --oneline --decorate --find-renames 0f379cb
git diff 0f379cb^ 0f379cb -- \
rust/crates/ccusage-adapter-all/src/loader.rs \
rust/crates/ccusage-adapter-all/src/tests.rs \
rust/crates/ccusage-cli-parser/src/parser.rs \
rust/crates/ccusage-cli-parser/src/tests.rs \
rust/crates/ccusage-cli/src/types.rs \
rust/crates/ccusage-config/src/config.rs \
docs/guide/session-reports.md
ast-grep outline rust/crates/ccusage-adapter-all/src/loader.rs --items all --type function --match 'finish_rows|sort'
ast-grep outline rust/crates/ccusage-cli/src/types.rs --items all --type structLength of output: 15448 🏁 Script executed: #!/bin/bash
set -euo pipefail
ast-grep outline rust/crates/ccusage-adapter-all/src/loader.rs --items all --type function
ast-grep outline rust/crates/ccusage-cli-parser/src/parser.rs --items all --type function --match 'parse|shared'
ast-grep outline rust/crates/ccusage-config/src/config.rs --items all --type function --match 'apply|shared'
printf '\n--- SharedArgs defaults and construction sites ---\n'
rg -n -C 4 --glob '*.rs' 'SharedArgs\s*\{' rust
printf '\n--- order_explicit references ---\n'
rg -n -C 4 --glob '*.rs' '\border_explicit\b' rust
printf '\n--- order uses in all-report loader ---\n'
rg -n -C 6 --glob '*.rs' '\border\b|SortOrder' rust/crates/ccusage-adapter-all/src/loader.rs
printf '\n--- config and parser relevant ranges ---\n'
sed -n '1,90p' rust/crates/ccusage-cli/src/types.rs
sed -n '540,620p' rust/crates/ccusage-config/src/config.rs
sed -n '700,775p' rust/crates/ccusage-cli-parser/src/parser.rsLength of output: 138355 🏁 Script executed: #!/bin/bash
set -euo pipefail
printf '%s\n' '--- parser config lifecycle ---'
sed -n '45,180p' rust/crates/ccusage-cli-parser/src/parser.rs
sed -n '340,450p' rust/crates/ccusage-cli-parser/src/parser.rs
printf '%s\n' '--- config application lifecycle ---'
sed -n '380,535p' rust/crates/ccusage-config/src/config.rs
printf '%s\n' '--- sort helper definitions and combined section wiring ---'
rg -n -C 8 --glob '*.rs' 'fn sort_rows\b|sort_rows\s*\(' rust
sed -n '1,150p' rust/crates/ccusage-adapter-all/src/loader.rs
printf '%s\n' '--- relevant loader tests ---'
sed -n '920,1050p' rust/crates/ccusage-adapter-all/src/loader.rs
rg -n -C 6 --glob '*.rs' 'load_sections\b|assert_daily_family_and_session_sections_match_standalone' rust/crates/ccusage-adapter-all/src
printf '%s\n' '--- changed-line diagnostics ---'
git diff --check 0f379cb^ 0f379cbLength of output: 34703
I found no actionable issues. The implementation preserves descending cost order for the implicit session default. It applies ascending cost order only for an explicit The configuration and CLI parsing paths correctly mark explicit order values. Combined reports use the same session ordering while period sections continue to use chronological ordering through I also found no whitespace errors with The PR Gate failure is separate from this commit. The judge must receive valid authentication or model configuration before
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✅ No new issues found.
Prior
--orderfeedback is addressed: explicit direction now controls unified session cost ordering.Reviewed changes — reviewed
0f379cbagainst prior pullfrog review8d2d1ce(delta for #1718).
- Added
order_explicittoSharedArgsto distinguish a supplied order from theAscdefault, setting it from CLI--orderand configorderwith CLI precedence.- Branched the unified session comparator on explicit direction, keeping descending-cost default and ascending ID then agent tie breakers.
- Documented default highest-first ordering, explicit
--orderand config behavior, and mixed-section semantics in the session guide.- Extended unit, fixture-backed JSON/table, and parser/config precedence coverage for default, explicit ascending, and explicit descending cases.
Muse Spark Contributor (free via Pullfrog for OSS) ｜ 𝕏
Fixes #1718.
Unified session reports previously sorted by session ID despite the documented highest-cost-first default. Sessions now default to descending total cost, with ascending session ID and agent as deterministic tie breakers. Explicit
--order asc|descand theorderconfiguration option control cost direction; CLI flags override config. Daily, weekly, and monthly defaults remain chronological ascending, including mixed--sectionsreports. An explicitly selected order applies to every section.The parser/config merger preserves whether order was supplied, so an omitted flag can use the session default without confusing it with explicit
--order asc. The session guide documents this behavior. Source-specific report behavior is unchanged.Regression coverage includes default and explicit orders, config and command-config precedence, stable ties, zero costs, JSON/table ordering, totals, empty/single-row reports, and standalone/combined section consistency. Reproduced both the original sorting bug and the explicit-ascending regression before their fixes.
Local validation on macOS arm64 using pinned Rust 1.97.1 and the LiteLLM snapshot from
flake.lock:--all-targets -- -D warnings, Rust formatting, oxlint type checking, andgit diff --check: passed.Nix/direnv were unavailable, so validation used native equivalents; Nix flake checks and Nix-generated hooks were not run. The separate upstream PR Gate authentication failure requires maintainer action.
Summary by cubic
Sorts unified session report rows by descending total cost so the most expensive sessions appear first, matching the session guide. Previously rows were sorted by session ID, which also broke ordering in session sections of combined reports. Daily, weekly, and monthly sections stay chronological when no order is explicitly set.
--order asc|descor configuringordernow controls the direction for session costs and period sections; the CLI flag takes precedence over config.Written for commit 0f379cb. Summary will update on new commits.
Summary by CodeRabbit
New Features
Bug Fixes