Finalize SPC outlook feature addition and clean up implemented roadmap documentation

internal/normalizers/spc/convective_outlook.go

@@ -138,11 +138,10 @@ func parseDiscussions(pages []spcprovider.RawDiscussionPage) (map[int]parsedDisc
 	out := map[int]parsedDiscussion{}
 	var latestUpdated time.Time
 	for _, page := range pages {
-		text, err := spcprovider.ExtractProductText(page.Body)
+		parsed, err := spcprovider.ParseDiscussionHTML(page.Body)
 		if err != nil {
 			return nil, time.Time{}, fmt.Errorf("discussion %s: %w", page.Key, err)
 		}
-		parsed := spcprovider.ParseDiscussionText(text)
 		day := page.Day
 		if day == 0 {
 			if meta, ok := spcprovider.DiscussionProductByKey(page.Key); ok {

internal/normalizers/spc/convective_outlook_test.go

@@ -99,6 +99,9 @@ func TestConvectiveOutlookNormalizerProducesCanonicalSchemaAndMapsSample(t *test
 	if !strings.Contains(got.Discussion, "...DISCUSSION...") {
 		t.Fatalf("Discussion missing product text: %q", got.Discussion)
 	}
+	if !strings.HasPrefix(got.Discussion, "SPC AC 111234") {
+		t.Fatalf("Discussion = %q, want SPC product code prefix", got.Discussion)
+	}
 	if got.ID != "spc-convective-day1-categorical-slgt-2026-06-11T12:34:56Z-2026-06-11T13:00:00Z-0" {
 		t.Fatalf("ID = %q", got.ID)
 	}