Report correction repair operations and outcomes

internal/core/reporting/markdown.go

@@ -53,6 +53,16 @@ func Markdown(snapshot Snapshot, secrets ...string) []byte {
 	fmt.Fprintln(&b)
 	writeMatrix(&b, snapshot, r, true)
 	fmt.Fprintln(&b)
+	if len(snapshot.RepairOutcomes) > 0 {
+		fmt.Fprintln(&b, "## Correction repair")
+		fmt.Fprintln(&b)
+		fmt.Fprintln(&b, "| Stage | Chunk | Proposal index | Attempts | Outcome |")
+		fmt.Fprintln(&b, "| ---: | ---: | ---: | ---: | --- |")
+		for _, row := range snapshot.RepairOutcomes {
+			fmt.Fprintf(&b, "| %d | %d | %d | %d | %s |\n", row.StageIndex+1, row.ChunkIndex+1, row.ProposalIndex, row.Attempts, safe(row.Outcome))
+		}
+		fmt.Fprintln(&b)
+	}
 	fmt.Fprintln(&b, "Legend: `—` = not started; `n*` = interrupted with n recorded errors or recoveries. Completed error cells are 0 or 1.")
 	fmt.Fprintln(&b)
 	writeReasons(&b, "Error reasons", errorReasons(snapshot.Errors), safe)

internal/core/reporting/report.go

@@ -129,6 +129,15 @@ type WorkUnit struct {
 	RecoveryCount      int
 }
 
+// RepairOutcome is a compact correction repair row.
+type RepairOutcome struct {
+	StageIndex    int
+	ChunkIndex    int
+	ProposalIndex int
+	Attempts      int
+	Outcome       string
+}
+
 // Snapshot is built once from processing state and shared by presentations.
 type Snapshot struct {
 	RunID          string
@@ -139,6 +148,7 @@ type Snapshot struct {
 	OutputPath     string
 	StageNames     []string
 	WorkUnits      []WorkUnit
+	RepairOutcomes []RepairOutcome
 	Summary        Summary
 	Errors         []ErrorRecord
 	Recoveries     []RecoveryRecord