diff --git a/PlotLine/Data/StoryIntelligenceResultRepository.cs b/PlotLine/Data/StoryIntelligenceResultRepository.cs
index c540a86..9c0c89d 100644
--- a/PlotLine/Data/StoryIntelligenceResultRepository.cs
+++ b/PlotLine/Data/StoryIntelligenceResultRepository.cs
@@ -41,6 +41,9 @@ public interface IStoryIntelligenceResultRepository
 
 public sealed class StoryIntelligenceResultRepository(ISqlConnectionFactory connectionFactory) : IStoryIntelligenceResultRepository
 {
+    private static readonly SemaphoreSlim QueueSupportLock = new(1, 1);
+    private static bool queueSupportEnsured;
+
     public async Task<int> SaveAsync(StoryIntelligenceRunSaveRequest request)
     {
         using var connection = connectionFactory.CreateConnection();
@@ -160,6 +163,7 @@ public sealed class StoryIntelligenceResultRepository(ISqlConnectionFactory conn
     public async Task<int> QueueAdminTextAsync(StoryIntelligenceRunQueueRequest request)
     {
         using var connection = connectionFactory.CreateConnection();
+        await EnsureKnownCharacterQueueSupportAsync(connection);
         return await connection.QuerySingleAsync<int>(
             "dbo.StoryIntelligenceRun_QueueAdminText",
             new
@@ -185,6 +189,129 @@ public sealed class StoryIntelligenceResultRepository(ISqlConnectionFactory conn
             commandType: CommandType.StoredProcedure);
     }
 
+    private static async Task EnsureKnownCharacterQueueSupportAsync(IDbConnection connection)
+    {
+        if (queueSupportEnsured)
+        {
+            return;
+        }
+
+        await QueueSupportLock.WaitAsync();
+        try
+        {
+            if (queueSupportEnsured)
+            {
+                return;
+            }
+
+            await connection.ExecuteAsync(
+                """
+                IF COL_LENGTH(N'dbo.StoryIntelligenceRuns', N'KnownCharactersJson') IS NULL
+                BEGIN
+                    ALTER TABLE dbo.StoryIntelligenceRuns ADD KnownCharactersJson nvarchar(max) NULL;
+                END;
+            """);
+
+            await connection.ExecuteAsync(
+                """
+                CREATE OR ALTER PROCEDURE dbo.StoryIntelligenceRun_QueueAdminText
+                @UserID int,
+                @ProjectID int = NULL,
+                @BookID int = NULL,
+                @ChapterID int = NULL,
+                @ChapterNumber decimal(9, 2) = NULL,
+                @SourceType nvarchar(50),
+                @SourceLabel nvarchar(300),
+                @SourceText nvarchar(max),
+                @SourceFileName nvarchar(260) = NULL,
+                @SourceFileSizeBytes bigint = NULL,
+                @SourceWordCount int = NULL,
+                @SourceCharacterCount int = NULL,
+                @SourceParagraphCount int = NULL,
+                @SourceChapterCount int = NULL,
+                @Model nvarchar(100),
+                @PromptVersionsSummary nvarchar(500),
+                @KnownCharactersJson nvarchar(max) = NULL
+            AS
+            BEGIN
+                SET NOCOUNT ON;
+
+                INSERT dbo.StoryIntelligenceRuns
+                (
+                    UserID, ProjectID, BookID, ChapterID, ChapterNumber, Status, SourceType, SourceLabel, SourceText,
+                    SourceFileName, SourceFileSizeBytes, SourceWordCount, SourceCharacterCount, SourceParagraphCount,
+                    SourceChapterCount, Model, PromptVersion, PromptVersionsSummary, KnownCharactersJson, StartedUtc,
+                    CurrentStage, CurrentMessage, CompletedScenes, FailedScenes
+                )
+                VALUES
+                (
+                    @UserID, @ProjectID, @BookID, @ChapterID, @ChapterNumber, N'Pending', @SourceType, @SourceLabel, @SourceText,
+                    @SourceFileName, @SourceFileSizeBytes, @SourceWordCount, @SourceCharacterCount, @SourceParagraphCount,
+                    @SourceChapterCount, @Model, @PromptVersionsSummary, @PromptVersionsSummary, @KnownCharactersJson,
+                    SYSUTCDATETIME(), N'Pending', N'Queued for Story Intelligence processing.', 0, 0
+                );
+
+                SELECT CAST(SCOPE_IDENTITY() AS int) AS StoryIntelligenceRunID;
+            END;
+            """);
+
+            await connection.ExecuteAsync(
+                """
+                CREATE OR ALTER PROCEDURE dbo.StoryIntelligenceRun_ClaimNextPending
+            AS
+            BEGIN
+                SET NOCOUNT ON;
+                SET XACT_ABORT ON;
+
+                DECLARE @StoryIntelligenceRunID int;
+
+                SELECT TOP (1) @StoryIntelligenceRunID = StoryIntelligenceRunID
+                FROM dbo.StoryIntelligenceRuns WITH (UPDLOCK, READPAST)
+                WHERE Status = N'Pending'
+                ORDER BY CreatedUtc;
+
+                IF @StoryIntelligenceRunID IS NULL
+                BEGIN
+                    SELECT TOP (0)
+                        StoryIntelligenceRunID, UserID, ProjectID, BookID, ChapterID, ChapterNumber, Status, SourceType, SourceLabel,
+                        SourceText, SourceWordCount, SourceCharacterCount, SourceParagraphCount, SourceChapterCount, PromptVersion,
+                        PromptVersionsSummary, KnownCharactersJson, Model, StartedUtc, CompletedUtc, FailureStage, TotalInputTokens,
+                        TotalOutputTokens, TotalTokens, TotalDurationMs, EstimatedCostGBP, EstimatedCostUSD,
+                        ErrorMessage, ErrorDetail, CurrentStage, CurrentMessage, TotalDetectedScenes,
+                        CompletedScenes, FailedScenes, CancellationRequestedUtc, CancelledUtc, CreatedUtc, UpdatedUtc
+                    FROM dbo.StoryIntelligenceRuns;
+                    RETURN;
+                END;
+
+                UPDATE dbo.StoryIntelligenceRuns
+                SET Status = N'Running',
+                    StartedUtc = SYSUTCDATETIME(),
+                    CurrentStage = N'ChapterStructure',
+                    CurrentMessage = N'Running Chapter Structure analysis.',
+                    UpdatedUtc = SYSUTCDATETIME()
+                WHERE StoryIntelligenceRunID = @StoryIntelligenceRunID
+                    AND Status = N'Pending';
+
+                SELECT
+                    StoryIntelligenceRunID, UserID, ProjectID, BookID, ChapterID, ChapterNumber, Status, SourceType, SourceLabel,
+                    SourceText, SourceWordCount, SourceCharacterCount, SourceParagraphCount, SourceChapterCount, PromptVersion,
+                    PromptVersionsSummary, KnownCharactersJson, Model, StartedUtc, CompletedUtc, FailureStage, TotalInputTokens,
+                    TotalOutputTokens, TotalTokens, TotalDurationMs, EstimatedCostGBP, EstimatedCostUSD,
+                    ErrorMessage, ErrorDetail, CurrentStage, CurrentMessage, TotalDetectedScenes,
+                    CompletedScenes, FailedScenes, CancellationRequestedUtc, CancelledUtc, CreatedUtc, UpdatedUtc
+                FROM dbo.StoryIntelligenceRuns
+                WHERE StoryIntelligenceRunID = @StoryIntelligenceRunID;
+            END;
+            """);
+
+            queueSupportEnsured = true;
+        }
+        finally
+        {
+            QueueSupportLock.Release();
+        }
+    }
+
     public async Task<StoryIntelligenceQueuedRun?> ClaimNextPendingAsync()
     {
         using var connection = connectionFactory.CreateConnection();