Align prompts and strengthen validation context

internal/framework/validators/protected_terms_test.go

@@ -87,3 +87,29 @@ func TestValidateProtectedTermsGlossaryStageAllowsProtectedTermSwap(t *testing.T
 		t.Fatalf("expected approval for glossary-stage protected term correction, got %+v", res.Decisions)
 	}
 }
+
+func TestProtectedNameRepetitionRequiresSurvivingIdentityAndSpokenWordScope(t *testing.T) {
+	for _, tc := range []struct {
+		name, module, before, original, replacement string
+		allowed                                     bool
+	}{
+		{"whole repetition", "spoken_word", "Jesters Jesters arrived", "Jesters Jesters", "Jesters", true},
+		{"span deletion", "spoken_word", "Jesters, Jesters arrived", "Jesters, ", "", true},
+		{"last reference", "spoken_word", "Jesters arrived", "Jesters ", "", false},
+		{"different identity", "spoken_word", "Jesters Jesters arrived", "Jesters Jesters", "Lyra", false},
+		{"spelling degraded", "spoken_word", "Jesters Jesters arrived", "Jesters Jesters", "jestERS", false},
+		{"grammar unchanged", "grammar", "Jesters Jesters arrived", "Jesters Jesters", "Jesters", false},
+	} {
+		t.Run(tc.name, func(t *testing.T) {
+			req := Request{ModuleKey: tc.module, ReplacementPolicy: proposals.ReplacementPolicyRequireUnique,
+				WorkingTranscript: &schema.Transcript{Segments: []schema.Segment{{ID: 1, Text: tc.before}}},
+				Glossary:          &schema.Glossary{Entries: []schema.GlossaryEntry{{Name: "Jesters"}, {Name: "Lyra"}}},
+				CandidateProposal: []proposals.EnrichedCorrectionProposal{{CorrectionProposal: proposals.CorrectionProposal{TargetSegmentID: 1, OriginalText: tc.original, CorrectedText: tc.replacement, Confidence: 1}}},
+			}
+			result, err := ValidateProtectedTerms(req, false)
+			if err != nil || len(result.Decisions) != 1 || result.Decisions[0].Approved != tc.allowed {
+				t.Fatalf("result=%+v err=%v", result, err)
+			}
+		})
+	}
+}