Files
audita/internal/framework/llm/observations.go
Eric Rakestraw 2d41748006
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Use the Go v3 module path for Audita
2026-10-11 01:40:38 +00:00

211 lines
8.6 KiB
Go

package llm
import (
"sort"
"sync"
"time"
"gitea.maximumdirect.net/eric/audita/v3/internal/framework/structuredoutput"
pk "gitea.maximumdirect.net/eric/promptkit"
)
// TokenCount retains the distinction between zero and unavailable usage.
type TokenCount struct {
Value int `json:"value"`
Known bool `json:"known"`
Complete bool `json:"complete"`
}
type Usage struct {
Prompt TokenCount `json:"prompt"`
Completion TokenCount `json:"completion"`
Total TokenCount `json:"total"`
Cached TokenCount `json:"cached"`
CacheWrite TokenCount `json:"cache_write"`
}
// ExecutionObservation contains execution metadata only. It never contains
// endpoint URLs, credentials, messages, provider errors, or generated text.
type ExecutionObservation struct {
CallID uint64 `json:"call_id"`
Context structuredoutput.DiagnosticContext `json:"context"`
Kind string `json:"kind"`
RunID string `json:"run_id,omitempty"`
Time time.Time `json:"time"`
BackendID string `json:"backend_id,omitempty"`
ProfileID string `json:"profile_id,omitempty"`
Model string `json:"model,omitempty"`
Generation uint64 `json:"generation,omitempty"`
Attempt uint64 `json:"attempt,omitempty"`
Dispatched bool `json:"dispatched"`
CapacityWait time.Duration `json:"capacity_wait_ns"`
GenerationDuration time.Duration `json:"generation_duration_ns"`
RetryDelay time.Duration `json:"retry_delay_ns"`
Duration time.Duration `json:"duration_ns"`
Outcome string `json:"outcome,omitempty"`
Failure string `json:"failure,omitempty"`
StatusCode int `json:"status_code,omitempty"`
RetriesExhausted bool `json:"retries_exhausted,omitempty"`
Attempts uint64 `json:"attempts"`
TransientRetries uint64 `json:"transient_retries"`
StructuralRepairs uint64 `json:"structural_repairs"`
Usage Usage `json:"usage"`
}
type LogicalCall struct {
CallID uint64 `json:"call_id"`
Context structuredoutput.DiagnosticContext `json:"context"`
Prompt structuredoutput.PromptMetadata `json:"prompt"`
Started time.Time `json:"started"`
Finished time.Time `json:"finished,omitempty"`
WallDuration time.Duration `json:"wall_duration_ns"`
Failure structuredoutput.FailureKind `json:"failure,omitempty"`
}
type ObservationSnapshot struct {
Calls []LogicalCall `json:"calls"`
Events []ExecutionObservation `json:"events"`
}
type ExecutionSummary struct {
LogicalCalls uint64 `json:"logical_calls"`
ProviderAttempts uint64 `json:"provider_attempts"`
TransientRetries uint64 `json:"transient_retries"`
StructuralRepairs uint64 `json:"structural_repairs"`
Usage Usage `json:"usage"`
}
// ObservationCollector accepts short synchronous callbacks from parallel calls.
// Snapshot should be taken after the runner has joined active section work.
type ObservationCollector struct {
mu sync.Mutex
calls map[uint64]LogicalCall
events []ExecutionObservation
}
func NewObservationCollector() *ObservationCollector {
return &ObservationCollector{calls: make(map[uint64]LogicalCall)}
}
func (c *ObservationCollector) Hooks() CallHooks {
return CallHooks{OnCall: c.recordCall, OnEventWithCall: c.recordEvent}
}
func copyContext(value structuredoutput.DiagnosticContext) structuredoutput.DiagnosticContext {
if value.SectionIndex != nil {
index := *value.SectionIndex
value.SectionIndex = &index
}
if value.BatchIndex != nil {
index := *value.BatchIndex
value.BatchIndex = &index
}
return value
}
func (c *ObservationCollector) recordCall(record structuredoutput.CallRecord) {
if c == nil {
return
}
c.mu.Lock()
defer c.mu.Unlock()
call := LogicalCall{CallID: record.CallID, Context: copyContext(record.Context), Prompt: record.Prompt, Started: record.Started, Finished: record.Finished, Failure: record.Failure}
if !record.Finished.IsZero() {
call.WallDuration = record.Finished.Sub(record.Started)
}
c.calls[record.CallID] = call
}
func (c *ObservationCollector) recordEvent(callID uint64, context structuredoutput.DiagnosticContext, event pk.ExecutionEvent) {
if c == nil {
return
}
count := func(value pk.ObservedTokenCount) TokenCount {
return TokenCount{Value: value.Value, Known: value.Known, Complete: value.Complete}
}
observation := ExecutionObservation{
CallID: callID, Context: copyContext(context), Kind: string(event.Kind), RunID: event.RunID,
Time: event.Time, BackendID: event.BackendID, ProfileID: event.ProfileID, Model: event.Model,
Generation: event.Generation, Attempt: event.Attempt, Dispatched: event.Dispatched,
CapacityWait: event.CapacityWait, GenerationDuration: event.GenerationDuration, RetryDelay: event.RetryDelay, Duration: event.Duration,
Outcome: string(event.Outcome), Failure: string(event.Failure), StatusCode: event.StatusCode, RetriesExhausted: event.RetriesExhausted,
Attempts: event.Attempts, TransientRetries: event.TransientRetries, StructuralRepairs: event.RepairCalls,
Usage: Usage{Prompt: count(event.Usage.PromptTokens), Completion: count(event.Usage.CompletionTokens), Total: count(event.Usage.TotalTokens), Cached: count(event.Usage.CachedTokens), CacheWrite: count(event.Usage.CacheWriteTokens)},
}
c.mu.Lock()
c.events = append(c.events, observation)
c.mu.Unlock()
}
func (c *ObservationCollector) Snapshot() ObservationSnapshot {
if c == nil {
return ObservationSnapshot{}
}
c.mu.Lock()
defer c.mu.Unlock()
snapshot := ObservationSnapshot{Calls: make([]LogicalCall, 0, len(c.calls)), Events: make([]ExecutionObservation, len(c.events))}
for _, call := range c.calls {
call.Context = copyContext(call.Context)
snapshot.Calls = append(snapshot.Calls, call)
}
copy(snapshot.Events, c.events)
for i := range snapshot.Events {
snapshot.Events[i].Context = copyContext(snapshot.Events[i].Context)
}
sort.Slice(snapshot.Calls, func(i, j int) bool { return snapshot.Calls[i].CallID < snapshot.Calls[j].CallID })
sort.SliceStable(snapshot.Events, func(i, j int) bool {
if snapshot.Events[i].CallID != snapshot.Events[j].CallID {
return snapshot.Events[i].CallID < snapshot.Events[j].CallID
}
return snapshot.Events[i].Time.Before(snapshot.Events[j].Time)
})
return snapshot
}
// Summarize counts terminal usage once per logical call. PromptKit's terminal
// usage already aggregates its attempts, retries, and repairs.
func Summarize(snapshot ObservationSnapshot) ExecutionSummary {
result := ExecutionSummary{LogicalCalls: uint64(len(snapshot.Calls))}
terminal := make(map[uint64]ExecutionObservation)
for _, event := range snapshot.Events {
if event.Kind == string(pk.ExecutionFinished) {
terminal[event.CallID] = event
}
}
dispatched := false
aggregate := func(dst *TokenCount, source TokenCount) {
if source.Known {
dst.Value += source.Value
dst.Known = true
}
dst.Complete = dst.Complete && source.Complete
}
result.Usage = Usage{Prompt: TokenCount{Complete: true}, Completion: TokenCount{Complete: true}, Total: TokenCount{Complete: true}, Cached: TokenCount{Complete: true}, CacheWrite: TokenCount{Complete: true}}
for _, call := range snapshot.Calls {
event, ok := terminal[call.CallID]
if !ok {
continue
}
result.ProviderAttempts += event.Attempts
result.TransientRetries += event.TransientRetries
result.StructuralRepairs += event.StructuralRepairs
if event.Attempts == 0 {
continue
}
dispatched = true
aggregate(&result.Usage.Prompt, event.Usage.Prompt)
aggregate(&result.Usage.Completion, event.Usage.Completion)
aggregate(&result.Usage.Total, event.Usage.Total)
aggregate(&result.Usage.Cached, event.Usage.Cached)
aggregate(&result.Usage.CacheWrite, event.Usage.CacheWrite)
}
if !dispatched {
result.Usage.Prompt.Known = true
result.Usage.Completion.Known = true
result.Usage.Total.Known = true
result.Usage.Cached.Known = true
result.Usage.CacheWrite.Known = true
}
return result
}