This commit is contained in:
2026-08-23 23:14:57 +02:00
parent 296dc3c841
commit a246ed8fe5
6 changed files with 399 additions and 38 deletions
+105 -15
View File
@@ -2,17 +2,36 @@ package processing
import (
"context"
"encoding/json"
"errors"
"fmt"
"log"
"sort"
"strconv"
"strings"
"github.com/descrybe/descrybe-v2/apps/api/internal/aiaudit"
)
// ErrCategoryNotFound fails a product whose category could not be determined:
// the model's pick was outside the taxonomy, or it scored below the confidence
// floor. Processing stops for that product instead of enhancing it under a
// category nobody believes in.
var ErrCategoryNotFound = errors.New("product category could not be determined")
// MaxCategorizeOptions caps the taxonomy list injected into the categorize LLM
// prompt (token/cost bound). Prefer stable sort by display name then unique_id.
const MaxCategorizeOptions = 200
// DefaultMinCategorizeConfidence is the floor for accepting an LLM category pick.
//
// The model always answers with SOME id from the list, so a low-confidence reply
// like {"categoryId":"1","confidence":0.08} is the model saying "I do not know" —
// taking it at face value files a camping chair under Generators and then drives
// that category's title/description formula, producing confidently wrong copy.
// Below this floor the product fails with ErrCategoryNotFound instead.
const DefaultMinCategorizeConfidence = 0.75
// MaxTokensCategorize budgets a short JSON reply {"categoryId","confidence"}.
// code-fast / reasoning-style models often burn internal tokens before JSON;
// 256 frequently finishes with empty content and forces a length-cap retry.
@@ -116,15 +135,15 @@ func ProductCategorizeUser(name, description string, opts []categoryOption) stri
// tryAICategorize asks the Completer to pick a company taxonomy unique_id when
// Category is still empty after mapped/prior/vector. Never invents outside taxonomy:
// responses are coerced then filtered to namesByUID / valid unique_ids.
func tryAICategorize(ctx context.Context, e *Engine, out *StepResult, in ProductInput, policy StepPolicy) {
func tryAICategorize(ctx context.Context, e *Engine, out *StepResult, in ProductInput, policy StepPolicy) error {
if out == nil || strings.TrimSpace(out.Category) != "" {
return
return nil
}
if !policy.AllowAI {
return
return nil
}
if e == nil || !e.CompleterEnabled() {
return
return nil
}
opts := categoryOptionsFromNames(in.CategoryNamesByUID)
if len(opts) == 0 {
@@ -133,7 +152,7 @@ func tryAICategorize(ctx context.Context, e *Engine, out *StepResult, in Product
"status": "skipped",
"reason": "no_taxonomy",
})
return
return nil
}
name := strings.TrimSpace(out.Name)
if name == "" {
@@ -149,7 +168,7 @@ func tryAICategorize(ctx context.Context, e *Engine, out *StepResult, in Product
"status": "skipped",
"reason": "empty_product",
})
return
return nil
}
system := ProductCategorizeSystem
@@ -166,23 +185,44 @@ func tryAICategorize(ctx context.Context, e *Engine, out *StepResult, in Product
"error": TruncateError(err),
"tokens": comp.TotalTokens,
})
return
return nil
}
raw := categoryIDFromCategorizeJSON(obj)
confidence, hasConfidence := categorizeConfidenceFromJSON(obj)
valid := make(map[string]struct{}, len(opts))
for _, o := range opts {
valid[o.UniqueID] = struct{}{}
}
resolved := resolveCompanyCategoryUniqueID(raw, in.CategoryNamesByUID, valid)
if resolved == "" || isUnusableCategoryValue(resolved, out.ProcessedName, out.Name) {
out.Notes = append(out.Notes, "ai_categorize: ignored (not in company taxonomy)")
out.Notes = append(out.Notes, "ai_categorize: no category found (not in company taxonomy)")
appendStepLog(out.GPTResponse, StepCategorize, map[string]any{
"status": "rejected",
"returned": raw,
"tokens": comp.TotalTokens,
})
return
return fmt.Errorf("%w: model returned %q, which is not in the company taxonomy",
ErrCategoryNotFound, truncateRunes(raw, 60))
}
// A confident-looking id with a low score is the model guessing. Refuse it
// rather than driving the wrong category's formula with it.
if min := policy.CategorizeConfidence(); hasConfidence && confidence < min {
out.Notes = append(out.Notes, fmt.Sprintf(
"ai_categorize: no category found (confidence %.2f below %.2f)", confidence, min))
appendStepLog(out.GPTResponse, StepCategorize, map[string]any{
"status": "low_confidence",
"returned": raw,
"resolved": resolved,
"confidence": confidence,
"minimum": min,
"tokens": comp.TotalTokens,
})
log.Printf("processing: category rejected uid=%s confidence=%.2f min=%.2f reason=low_confidence",
resolved, confidence, min)
return fmt.Errorf("%w: best match %q scored %.2f, below the %.2f minimum",
ErrCategoryNotFound, truncateRunes(resolved, 60), confidence, min)
}
out.Category = SanitizeText(resolved)
@@ -201,6 +241,50 @@ func tryAICategorize(ctx context.Context, e *Engine, out *StepResult, in Product
"tokens": comp.TotalTokens,
"options": len(opts),
})
if hasConfidence {
out.Notes = append(out.Notes, fmt.Sprintf("ai_categorize: confidence %.2f", confidence))
}
return nil
}
// categorizeConfidenceFromJSON reads the model's self-reported score. ok=false when
// the field is missing or unparseable — a model that reports nothing is not
// penalised, only one that reports a low score.
func categorizeConfidenceFromJSON(obj map[string]any) (float64, bool) {
if obj == nil {
return 0, false
}
for _, k := range []string{"confidence", "score", "certainty"} {
switch v := obj[k].(type) {
case float64:
return clampConfidence(v), true
case int:
return clampConfidence(float64(v)), true
case json.Number:
if f, err := v.Float64(); err == nil {
return clampConfidence(f), true
}
case string:
if f, err := strconv.ParseFloat(strings.TrimSpace(v), 64); err == nil {
return clampConfidence(f), true
}
}
}
return 0, false
}
// clampConfidence folds a 0-100 style score onto 0-1 and bounds it.
func clampConfidence(v float64) float64 {
if v > 1 && v <= 100 {
v /= 100
}
if v < 0 {
return 0
}
if v > 1 {
return 1
}
return v
}
func categoryIDFromCategorizeJSON(obj map[string]any) string {
@@ -233,9 +317,12 @@ func firstAvailableCategoryIDFromPrompt(user string) string {
}
// runCategorizeStep applies vector then LLM taxonomy selection when Category empty.
func runCategorizeStep(ctx context.Context, e *Engine, companyID string, out *StepResult, in ProductInput, categoryNames []string, policy StepPolicy) {
// runCategorizeStep returns ErrCategoryNotFound when the model was asked for a
// category and could not give a usable one — the caller fails the product rather
// than enhancing it under a guess.
func runCategorizeStep(ctx context.Context, e *Engine, companyID string, out *StepResult, in ProductInput, categoryNames []string, policy StepPolicy) error {
if out == nil {
return
return nil
}
if strings.TrimSpace(out.Category) != "" {
appendStepLog(out.GPTResponse, StepCategorize, map[string]any{
@@ -243,7 +330,7 @@ func runCategorizeStep(ctx context.Context, e *Engine, companyID string, out *St
"reason": "already_set",
"category": out.Category,
})
return
return nil
}
if !policy.AllowAI {
out.Notes = append(out.Notes, "categorize: skipped (AI not allowed)")
@@ -251,21 +338,24 @@ func runCategorizeStep(ctx context.Context, e *Engine, companyID string, out *St
"status": "skipped",
"reason": "entitlement_can_use_ai",
})
return
return nil
}
tryVectorCategorize(ctx, e, companyID, out, categoryNames, policy)
if strings.TrimSpace(out.Category) != "" {
return
return nil
}
// Taxonomy picks and copy generation share one Completer; tag the role so the
// admin inspector can tell them apart.
tryAICategorize(aiaudit.WithCall(ctx, aiaudit.CallContext{Role: aiaudit.RoleCategorize}), e, out, in, policy)
if err := tryAICategorize(aiaudit.WithCall(ctx, aiaudit.CallContext{Role: aiaudit.RoleCategorize}), e, out, in, policy); err != nil {
return err
}
if strings.TrimSpace(out.Category) == "" {
appendStepLog(out.GPTResponse, StepCategorize, map[string]any{
"status": "unset",
"reason": "no_vector_or_ai_match",
})
}
return nil
}
// persistMappedCategorySQL writes a taxonomy unique_id onto mapped_data.category