| 1 | package control |
| 2 | |
| 3 | import "strings" |
| 4 | |
| 5 | // mergeGoalProgressEvidence updates the bounded Goal-scoped novelty window. |
| 6 | func mergeGoalProgressEvidence(existing, observed []string) ([]string, bool) { |
| 7 | if len(existing) > maxGoalProgressEvidence { |
| 8 | existing = existing[len(existing)-maxGoalProgressEvidence:] |
| 9 | } |
| 10 | if len(observed) > maxGoalProgressEvidence { |
| 11 | observed = observed[len(observed)-maxGoalProgressEvidence:] |
| 12 | } |
| 13 | out := make([]string, 0, min(len(existing)+len(observed), maxGoalProgressEvidence)) |
| 14 | seen := make(map[string]struct{}, min(len(existing)+len(observed), maxGoalProgressEvidence)) |
| 15 | appendValid := func(sig string) bool { |
| 16 | sig = strings.TrimSpace(sig) |
| 17 | if sig == "" || len(sig) > 128 { |
| 18 | return false |
| 19 | } |
| 20 | if _, ok := seen[sig]; ok { |
| 21 | return false |
| 22 | } |
| 23 | seen[sig] = struct{}{} |
| 24 | out = append(out, sig) |
| 25 | return true |
| 26 | } |
| 27 | for _, sig := range existing { |
| 28 | appendValid(sig) |
| 29 | } |
| 30 | progressed := false |
| 31 | for _, sig := range observed { |
| 32 | if appendValid(sig) { |
| 33 | progressed = true |
| 34 | } |
| 35 | } |
| 36 | if len(out) > maxGoalProgressEvidence { |
| 37 | out = append([]string(nil), out[len(out)-maxGoalProgressEvidence:]...) |
| 38 | } |
| 39 | return out, progressed |
| 40 | } |
| 41 |