-- Deliberately scrambled ranks, chapter 2 vs 10, and scene 2 vs 10; all data rolls back.
SET XACT_ABORT ON;
BEGIN TRY
 BEGIN TRANSACTION;
 INSERT dbo.Projects(ProjectName) VALUES (N'Relationship ordering fixture');
 DECLARE @ProjectID int=SCOPE_IDENTITY();
 INSERT dbo.Books(ProjectID,BookTitle,BookNumber,SortOrder) VALUES (@ProjectID,N'Ordering fixture',1,1);
 DECLARE @BookID int=SCOPE_IDENTITY();
 INSERT dbo.StoryIntelligenceReviewCandidateGenerations(ProjectID,BookID,Module,Status,CandidateCount,PendingCount)
 VALUES (@ProjectID,@BookID,N'Relationships',N'Ready',4,3);
 DECLARE @GenerationID int=SCOPE_IDENTITY();
 INSERT dbo.StoryIntelligenceReviewCandidates(ReviewCandidateGenerationID,ProjectID,BookID,Module,StableKey,DisplayName,SortOrder,CandidatePayloadJson,DecisionStatus)
 SELECT @GenerationID,@ProjectID,@BookID,N'Relationships',k,k,rank,payload,status
 FROM (VALUES
 (N'late',1,N'{"key":"late","firstChapterNumber":10,"firstSceneNumber":1,"firstSceneID":30}',N'Pending'),
 (N'middle',2,N'{"key":"middle","firstChapterNumber":2,"firstSceneNumber":10,"firstSceneID":20}',N'Pending'),
 (N'early',3,N'{"key":"early","firstChapterNumber":2,"firstSceneNumber":2,"firstSceneID":10}',N'Pending'),
 (N'decided',4,N'{"key":"decided","relationshipType":"Friend"}',N'Reviewed')) data(k,rank,payload,status);
 CREATE TABLE #Page (
 ReviewCandidateID int,ReviewCandidateGenerationID int,ProjectID int,BookID int,Module nvarchar(40),StableKey nvarchar(450),
 CandidateType nvarchar(80),DisplayName nvarchar(450),SortOrder int,Confidence decimal(9,4),ExistingCanonicalID int,
 DecisionStatus nvarchar(30),DecisionAction nvarchar(40),DecisionTargetKey nvarchar(450),DecisionCanonicalID int,
 CandidatePayloadJson nvarchar(max),CreatedUtc datetime2,ReviewedUtc datetime2,UpdatedUtc datetime2,
 TotalCount int,PendingCount int,RowNumber bigint);
 INSERT #Page EXEC dbo.StoryIntelligenceReviewCandidate_ListPage @BookID,N'Relationships',1,2;
 IF NOT EXISTS(SELECT 1 FROM #Page WHERE RowNumber=1 AND StableKey=N'early') THROW 51001,'First page must begin at chapter 2 scene 2.',1;
 IF NOT EXISTS(SELECT 1 FROM #Page WHERE RowNumber=2 AND StableKey=N'middle') THROW 51001,'Scene 10 must follow scene 2.',1;
 TRUNCATE TABLE #Page;
 INSERT #Page EXEC dbo.StoryIntelligenceReviewCandidate_ListPage @BookID,N'Relationships',2,2;
 IF NOT EXISTS(SELECT 1 FROM #Page WHERE RowNumber=3 AND StableKey=N'late') THROW 51001,'Chapter 10 must follow chapter 2 across pages.',1;
 EXEC dbo.StoryIntelligenceReviewCandidate_RefreshPendingRelationships @BookID,@GenerationID,
 N'[{"key":"early","relationshipType":"Other","reviewRulesVersion":2,"firstChapterNumber":2,"firstSceneNumber":2},{"key":"decided","relationshipType":"Other","reviewRulesVersion":2}]';
 IF NOT EXISTS(SELECT 1 FROM dbo.StoryIntelligenceReviewCandidates WHERE ReviewCandidateGenerationID=@GenerationID AND StableKey=N'early' AND CandidateType=N'Other') THROW 51001,'Pending suggestion did not refresh.',1;
 IF NOT EXISTS(SELECT 1 FROM dbo.StoryIntelligenceReviewCandidates WHERE ReviewCandidateGenerationID=@GenerationID AND StableKey=N'decided' AND JSON_VALUE(CandidatePayloadJson,'$.relationshipType')=N'Friend') THROW 51001,'Author decision changed.',1;
 ROLLBACK TRANSACTION;
 SELECT N'PASS: numeric chapter/scene paging and preservation of author decisions; rolled back' AS Result;
END TRY
BEGIN CATCH
 IF XACT_STATE()<>0 ROLLBACK TRANSACTION;
 THROW;
END CATCH;