add checkpoint token comparison · Entire

add checkpoint token comparison

e94a5d0·

peyton-alt·3w ago·2 files·+569 added/-13 removed

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\t\t\t\t\t\t\t\t\t\t\t"encoding/json"
    "fmt"
    "io"
    "strconv"
    "strings"

"github.com/entireio/cli/cmd/entire/cli/agent"

16 unmodified lines

\t\t\t\t\t\t\t\t\t\t\tContext         *sessionTokensContext         `json:"context,omitempty"`
\t\t\t\t\t\t\t\t\t\t\tContributors    []sessionTokensContributor    `json:"contributors,omitempty"`
\t\t\t\t\t\t\t\t\t\t\tRecommendations []sessionTokensRecommendation `json:"recommendations,omitempty"`
\t\t\t\t\t\t\t\t\t\t\tComparison      *checkpointTokensComparison   `json:"comparison,omitempty"`
\t\t\t\t\t\t\t\t\t\t\tLimitations     []string                      `json:"limitations,omitempty"`
\t\t\t\t\t\t\t\t\t\t\t}
\n\ttype checkpointTokensComparison struct {
\t\t\t\t\t\t\t\t\t\t\tBaselineCheckpointID string                       `json:"baseline_checkpoint_id"`
\t\t\t\t\t\t\t\t\t\t\tTargetCheckpointID   string                       `json:"target_checkpoint_id"`
\t\t\t\t\t\t\t\t\t\t\tStatus               string                       `json:"status"`
\t\t\t\t\t\t\t\t\t\t\tTotal                *checkpointTokensMetricDelta `json:"total,omitempty"`
\t\t\t\t\t\t\t\t\t\t\tCacheRead            *checkpointTokensMetricDelta `json:"cache_read,omitempty"`
\t\t\t\t\t\t\t\t\t\t\tAPICalls             *checkpointTokensMetricDelta `json:"api_calls,omitempty"`
\t\t\t\t\t\t\t\t\t\t\tQualification        string                       `json:"qualification"`
\t\t\t\t\t\t\t\t\t\t\tLimitations          []string                     `json:"limitations,omitempty"`
\t\t\t\t\t\t\t\t\t\t\t}

\ttype checkpointTokensMetricDelta struct {
\t\t\t\t\t\t\t\t\t\t\tBaseline      int      `json:"baseline"`
\t\t\t\t\t\t\t\t\t\t\tCurrent       int      `json:"current"`
\t\t\t\t\t\t\t\t\t\t\tChange        int      `json:"change"`
\t\t\t\t\t\t\t\t\t\t\tChangePercent *float64 `json:"change_percent,omitempty"`
\t\t\t\t\t\t\t\t\t\t\tDirection     string   `json:"direction"`
\t\t\t\t\t\t\t\t\t\t\t}

const (
\tcheckpointComparisonStatusUnavailable       = "unavailable"
\tcheckpointComparisonStatusObservedReduction = "observed_reduction"
\tcheckpointComparisonStatusObservedIncrease  = "observed_increase"
\tcheckpointComparisonStatusObservedNoChange  = "observed_no_change"
)

func newCheckpointTokensCmd() *cobra.Command {
\tvar jsonFlag bool
\tvar compareFlag string

\tcmd := &cobra.Command{
\t\tUse:   "tokens <checkpoint-id>",
\t	\tresolution path as 'entire checkpoint explain'. Checkpoint IDs may be abbreviated as long as the prefix is unambiguous; positional targets may also resolve from a commit ref with an Entire-Checkpoint trailer, and missing metadata may be fetched from the checkpoint remote.
\t\t\t\t\tArgs: cobra.ExactArgs(1),
\t\t\t\t\tRunE: func(cmd *cobra.Command, args []string) error {
\t\t\t\t\t\treturn runCheckpointTokens(cmd.Context(), cmd, args[0], jsonFlag)
\t\t\t\t\t\treturn runCheckpointTokens(cmd.Context(), cmd, args[0], jsonFlag, compareFlag)
\t\t\t\t},
\t}

\tcmd.Flags().BoolVar(&jsonFlag, "json", false, "Output as JSON")
\tcmd.Flags().StringVar(&compareFlag, "compare", "", "Compare against a baseline checkpoint ID")
\treturn cmd
}

func runCheckpointTokens(ctx context.Context, cmd *cobra.Command, checkpointIDPrefix string, jsonOutput bool) error {
\tcpID, lookup, err := resolveExplainCheckpointID(ctx, cmd.ErrOrStderr(), explainExportOptions{target: checkpointIDPrefix})

\tif lookup != nil {
\t	defer lookup.Close()
\t}

\treturn tokenCommandError(err)
}

if comparePrefix != "" {
\tbaselineReport, baselineLookup, err := loadCheckpointTokensReport(ctx, cmd, comparePrefix)
\tif baselineLookup != nil {
\t	defer baselineLookup.Close()
\t}
\tif err != nil {
\t	return tokenCommandError(err)
}\n\treport.Comparison = buildCheckpointTokensComparison(report, baselineReport)
\t}

if jsonOutput {
\treturn writeCheckpointTokensJSON(cmd.OutOrStdout(), report)
}
writeCheckpointTokensText(cmd.OutOrStdout(), report)
return nil
}

func loadCheckpointTokensReport(ctx context.Context, cmd *cobra.Command, checkpointIDPrefix string) (checkpointTokensReport, *explainCheckpointLookup, error) {
\tcpID, lookup, err := resolveExplainCheckpointID(ctx, cmd.ErrOrStderr(), explainExportOptions{target: checkpointIDPrefix})
\tif err != nil {
\treturn checkpointTokensReport{}, lookup, err
}\n\tsummary, err := lookup.store.ReadCommitted(ctx, cpID)
\tif err != nil {
\treturn tokenCommandError(fmt.Errorf("failed to read checkpoint: %w", err))
}

if summary == nil || len(summary.Sessions) == 0 {
\tcmd.SilenceUsage = true
\tfmt.Fprintln(cmd.ErrOrStderr(), "Checkpoint not found.")
\treturn NewSilentError(fmt.Errorf("%w: %s", checkpoint.ErrCheckpointNotFound, checkpointIDPrefix))
}

metas, metadataWarnings, err := readCheckpointTokenSessionMetadata(ctx, lookup.store, cpID, len(summary.Sessions))
if err != nil {
\treturn tokenCommandError(err)
}

report := buildCheckpointTokensReport(cpID, summary, metas, metadataWarnings)

if jsonOutput {
\treturn writeCheckpointTokensJSON(cmd.OutOrStdout(), report)
}
writeCheckpointTokensText(cmd.OutOrStdout(), report)
return nil
}

func readCheckpointTokenSessionMetadata(ctx context.Context, store checkpoint.CommittedListReader, cpID id.CheckpointID, sessionCount int) ([]*checkpoint.CommittedMetadata, int, error) {

return "s"
}

func buildCheckpointTokensComparison(target, baseline checkpointTokensReport) *checkpointTokensComparison {
\tcomparison := &checkpointTokensComparison{
\t\tBaselineCheckpointID: baseline.CheckpointID,
\t\tTargetCheckpointID:   target.CheckpointID,
\t}
\tif target.Tokens == nil || baseline.Tokens == nil {
\tcomparison.Status = checkpointComparisonStatusUnavailable
\tcomparison.Qualification = "Comparison unavailable because token usage is missing for one checkpoint."
\tcomparison.Limitations = append(comparison.Limitations, comparison.Qualification)
\treturn comparison
}

comparison.Total = buildCheckpointMetricDelta(baseline.Tokens.Total, target.Tokens.Total)
comparison.CacheRead = buildCheckpointMetricDelta(baseline.Tokens.CacheRead, target.Tokens.CacheRead)
comparison.APICalls = buildCheckpointMetricDelta(baseline.Tokens.APICalls, target.Tokens.APICalls)
comparison.Status = checkpointComparisonStatus(comparison.Total)
comparison.Qualification = checkpointComparisonQualification(comparison.Status)
return comparison
}

func buildCheckpointMetricDelta(baseline, current int) *checkpointTokensMetricDelta {
\tdelta := &checkpointTokensMetricDelta{
\t\tBaseline:  baseline,
\t\tCurrent:   current,
\t\tChange:    current - baseline,
\t\tDirection: checkpointDeltaDirection(current - baseline),
\t}
\tif baseline != 0 {
\t	percent := float64(delta.Change) * 100 / float64(baseline)
\t	delta.ChangePercent = &percent
}
\treturn delta
}

func checkpointDeltaDirection(change int) string {
\tswitch {
\tcase change < 0:
\t\treturn "down"
\tcase change > 0:
\t\treturn "up"
\tdefault:
\t\treturn "unchanged"
\t}
}

func checkpointComparisonStatus(total *checkpointTokensMetricDelta) string {
\tif total == nil {
\t\treturn checkpointComparisonStatusUnavailable
\t}
\tswitch total.Direction {
\tcase "down":
\t\treturn checkpointComparisonStatusObservedReduction
\tcase "up":
\t\treturn checkpointComparisonStatusObservedIncrease
\tdefault:
\t\treturn checkpointComparisonStatusObservedNoChange
\t}
}

func checkpointComparisonQualification(status string) string {
\tswitch status {
\tcase checkpointComparisonStatusObservedReduction:
\t\treturn "Observed token use decreased for this checkpoint comparison. This does not prove quality was preserved; verify the task outcome or tests before treating it as a successful optimization."
\tcase checkpointComparisonStatusObservedIncrease:
\t\treturn "Observed token use increased for this checkpoint comparison. Check whether the extra context was necessary before treating it as waste."
\tcase checkpointComparisonStatusObservedNoChange:
\t\treturn "Observed token use was unchanged for this checkpoint comparison. Quality still depends on the task outcome, not token totals alone."
\tdefault:
\t\treturn "Comparison unavailable because token usage is missing for one checkpoint."
}\n}

func writeCheckpointTokensJSON(w io.Writer, report checkpointTokensReport) error {
\tenc := json.NewEncoder(w)
\tenc.SetIndent("", "  ")

}

writeTokenUsageSection(w, report.Tokens)
writeCheckpointTokenComparison(w, report.Comparison)
if len(report.Recommendations) > 0 {
\twriteTokenRecommendations(w, report.Recommendations)
}
writeTokenContributors(w, report.Contributors, report.Context)
writeTokenLimitations(w, report.Limitations)
}

func writeCheckpointTokenComparison(w io.Writer, comparison *checkpointTokensComparison) {
\tif comparison == nil {
\t\treturn
\t}

fmt.Fprintln(w)
fmt.Fprintln(w, "Comparison")
fmt.Fprintf(w, "Baseline: %s\n", comparison.BaselineCheckpointID)
if comparison.Status != checkpointComparisonStatusUnavailable {
fmt.Fprintf(w, "Total tokens: %s\n", formatCheckpointMetricDelta(comparison.Total, formatTokenCount))
fmt.Fprintf(w, "Cache/context replay: %s\n", formatCheckpointMetricDelta(comparison.CacheRead, formatTokenCount))
fmt.Fprintf(w, "API calls: %s\n", formatCheckpointMetricDelta(comparison.APICalls, formatPlainCount))
}
fmt.Fprintln(w)
fmt.Fprintln(w, "Qualification")
fmt.Fprintln(w, comparison.Qualification)
}

func formatCheckpointMetricDelta(delta *checkpointTokensMetricDelta, formatValue func(int) string) string {
\tif delta == nil {
\t\treturn "unavailable"
\t}
\tfrom := formatValue(delta.Baseline)
\tto := formatValue(delta.Current)
\tif delta.Direction == "unchanged" {
\t\treturn fmt.Sprintf("unchanged (%%s -> %%s)", from, to)
\t}
\tif delta.ChangePercent == nil {
\t\treturn fmt.Sprintf("%%s (%%s -> %%s)", delta.Direction, from, to)
\t}
return fmt.Sprintf("%%s %%s (%%s -> %%s)", delta.Direction, formatPercent(absFloat(*delta.ChangePercent)), from, to)
}

func formatPlainCount(value int) string {
return strconv.Itoa(value)
}

func absFloat(value float64) float64 {
if value < 0 {
return -value
}
return value
}