diff --git a/PlotLine.Tests/Program.cs b/PlotLine.Tests/Program.cs
index 38fc140..2aac677 100644
--- a/PlotLine.Tests/Program.cs
+++ b/PlotLine.Tests/Program.cs
@@ -2643,11 +2643,15 @@ static void StoryIntelligenceNarrativeStageFollowsKnowledge()
     var onboarding = File.ReadAllText(Path.Combine(root, "Services/OnboardingStoryIntelligenceService.cs"));
     var controller = File.ReadAllText(Path.Combine(root, "Controllers/OnboardingController.cs"));
     var knowledgeComplete = File.ReadAllText(Path.Combine(root, "Views/Onboarding/StoryIntelligenceKnowledgeComplete.cshtml"));
+    var pipelineConstraint = File.ReadAllText(Path.Combine(root, "Sql/156_Phase25A_NarrativeReviewPipelineConstraint.sql"));
+    var knowledgeImport = File.ReadAllText(Path.Combine(root, "Services/StoryIntelligenceKnowledgeImportService.cs"));
 
     Assert(stages.Contains("NarrativeReview", StringComparison.Ordinal) && stages.Contains("NarrativeImport", StringComparison.Ordinal), "Pipeline stages should include narrative review/import.");
     Assert(stages.Contains("LastCompletedStage, StoryIntelligencePipelineStages.NarrativeImport", StringComparison.Ordinal), "Pipeline completion should require narrative import.");
     Assert(pipeline.Contains("CurrentStage = StoryIntelligencePipelineStages.NarrativeReview", StringComparison.Ordinal), "Knowledge import should lead to narrative review.");
     Assert(pipeline.Contains("RecordNarrativeImportAsync", StringComparison.Ordinal), "Narrative import should mark the pipeline complete.");
+    Assert(pipelineConstraint.Contains("N'NarrativeReview'", StringComparison.Ordinal) && pipelineConstraint.Contains("N'NarrativeImport'", StringComparison.Ordinal), "Database pipeline constraint should allow narrative stages.");
+    Assert(knowledgeImport.Contains("hasUndecidedCandidates", StringComparison.Ordinal), "Knowledge review should be able to advance when prior decisions already imported every candidate.");
     Assert(onboarding.Contains("StoryIntelligenceResumeRoutes.Narrative", StringComparison.Ordinal), "Resume logic should route to narrative review.");
     Assert(controller.Contains("StoryIntelligenceNarrative", StringComparison.Ordinal), "Onboarding controller should expose the narrative review stage.");
     Assert(knowledgeComplete.Contains("Review Plot Lines & Threads", StringComparison.Ordinal), "Knowledge completion should lead to narrative review.");
diff --git a/PlotLine/Services/StoryIntelligenceKnowledgeImportService.cs b/PlotLine/Services/StoryIntelligenceKnowledgeImportService.cs
index 4c03bd2..bbb2daf 100644
--- a/PlotLine/Services/StoryIntelligenceKnowledgeImportService.cs
+++ b/PlotLine/Services/StoryIntelligenceKnowledgeImportService.cs
@@ -79,15 +79,23 @@ public sealed class StoryIntelligenceKnowledgeImportService(
         SaveKnowledgeSelections(batch, choices.Values);
         if (choices.Count == 0)
         {
-            if (data.Candidates.Count == 0)
+            var decidedKeys = batch.KnowledgeDecisions.Select(decision => decision.Key).ToHashSet(StringComparer.OrdinalIgnoreCase);
+            var hasUndecidedCandidates = data.Candidates.Any(candidate => !decidedKeys.Contains(candidate.Key));
+            if (!hasUndecidedCandidates)
             {
                 batch.KnowledgeStageComplete = true;
-                batch.LastKnowledgeImportResult = new StoryIntelligenceKnowledgeImportBatchResult();
+                batch.LastKnowledgeImportResult ??= new StoryIntelligenceKnowledgeImportBatchResult
+                {
+                    KnowledgeCreated = batch.KnowledgeDecisions.Count(decision => string.Equals(decision.Action, StoryIntelligenceKnowledgeImportActions.CreateNew, StringComparison.OrdinalIgnoreCase)),
+                    KnowledgeLinked = batch.KnowledgeDecisions.Count(decision => string.Equals(decision.Action, StoryIntelligenceKnowledgeImportActions.LinkExisting, StringComparison.OrdinalIgnoreCase)),
+                    KnowledgeMerged = batch.KnowledgeDecisions.Count(decision => string.Equals(decision.Action, StoryIntelligenceKnowledgeImportActions.Alias, StringComparison.OrdinalIgnoreCase)),
+                    KnowledgeIgnored = batch.KnowledgeDecisions.Count(decision => string.Equals(decision.Action, StoryIntelligenceKnowledgeImportActions.Ignore, StringComparison.OrdinalIgnoreCase))
+                };
                 await pipelineState.RecordKnowledgeImportAsync(batch.ProjectID, batch.BookID);
                 return new StoryIntelligenceImportCommitResult
                 {
                     Success = true,
-                    Message = "Knowledge review completed. No knowledge decisions were waiting."
+                    Message = "Knowledge review completed. No knowledge decisions are waiting."
                 };
             }
 
diff --git a/PlotLine/Sql/156_Phase25A_NarrativeReviewPipelineConstraint.sql b/PlotLine/Sql/156_Phase25A_NarrativeReviewPipelineConstraint.sql
new file mode 100644
index 0000000..fbd7714
--- /dev/null
+++ b/PlotLine/Sql/156_Phase25A_NarrativeReviewPipelineConstraint.sql
@@ -0,0 +1,42 @@
+SET ANSI_NULLS ON;
+GO
+SET QUOTED_IDENTIFIER ON;
+GO
+
+IF OBJECT_ID(N'dbo.StoryIntelligenceBookPipelines', N'U') IS NOT NULL
+BEGIN
+    IF EXISTS
+    (
+        SELECT 1
+        FROM sys.check_constraints
+        WHERE name = N'CK_StoryIntelligenceBookPipelines_CurrentStage'
+            AND parent_object_id = OBJECT_ID(N'dbo.StoryIntelligenceBookPipelines')
+    )
+    BEGIN
+        ALTER TABLE dbo.StoryIntelligenceBookPipelines
+            DROP CONSTRAINT CK_StoryIntelligenceBookPipelines_CurrentStage;
+    END;
+
+    ALTER TABLE dbo.StoryIntelligenceBookPipelines
+        ADD CONSTRAINT CK_StoryIntelligenceBookPipelines_CurrentStage
+        CHECK (CurrentStage IN
+        (
+            N'Chapters',
+            N'SceneReview',
+            N'SceneImport',
+            N'CharacterReview',
+            N'CharacterImport',
+            N'LocationReview',
+            N'LocationImport',
+            N'AssetReview',
+            N'AssetImport',
+            N'RelationshipReview',
+            N'RelationshipImport',
+            N'KnowledgeReview',
+            N'KnowledgeImport',
+            N'NarrativeReview',
+            N'NarrativeImport',
+            N'Complete'
+        ));
+END;
+GO