fix(#240): remove readyCount from weekly stats DTO and SQL query

The Lesefertig pulse was removed from the UI; drop the backend support
for it too — removes the subquery from findWeeklyStats(), the projection
getter, the DTO field, and updates all affected tests.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/src/main/java/org/raddatz/familienarchiv/dto/TranscriptionWeeklyStatsDTO.java

@@ -9,6 +9,5 @@ import io.swagger.v3.oas.annotations.media.Schema;
  */
 public record TranscriptionWeeklyStatsDTO(
         @Schema(requiredMode = Schema.RequiredMode.REQUIRED) long segmentationCount,
-        @Schema(requiredMode = Schema.RequiredMode.REQUIRED) long transcriptionCount,
-        @Schema(requiredMode = Schema.RequiredMode.REQUIRED) long readyCount
+        @Schema(requiredMode = Schema.RequiredMode.REQUIRED) long transcriptionCount
 ) {}

backend/src/main/java/org/raddatz/familienarchiv/repository/DocumentRepository.java

@@ -232,10 +232,7 @@ public interface DocumentRepository extends JpaRepository<Document, UUID>, JpaSp
                WHERE da.created_at >= NOW() - INTERVAL '7 days')                             AS segmentationCount,
               (SELECT COUNT(DISTINCT tb.document_id) FROM transcription_blocks tb
                WHERE tb.created_at >= NOW() - INTERVAL '7 days'
-                 AND tb.text IS NOT NULL AND tb.text <> '')                                  AS transcriptionCount,
-              (SELECT COUNT(DISTINCT tb.document_id) FROM transcription_blocks tb
-               WHERE tb.updated_at >= NOW() - INTERVAL '7 days'
-                 AND tb.reviewed = true)                                                     AS readyCount
+                 AND tb.text IS NOT NULL AND tb.text <> '')                                  AS transcriptionCount
             """)
     TranscriptionWeeklyStatsProjection findWeeklyStats();
 

backend/src/main/java/org/raddatz/familienarchiv/repository/TranscriptionWeeklyStatsProjection.java

@@ -7,5 +7,4 @@ package org.raddatz.familienarchiv.repository;
 public interface TranscriptionWeeklyStatsProjection {
     long getSegmentationCount();
     long getTranscriptionCount();
-    long getReadyCount();
 }

backend/src/main/java/org/raddatz/familienarchiv/service/TranscriptionQueueService.java

@@ -46,8 +46,7 @@ public class TranscriptionQueueService {
         var stats = documentRepository.findWeeklyStats();
         return new TranscriptionWeeklyStatsDTO(
                 stats.getSegmentationCount(),
-                stats.getTranscriptionCount(),
-                stats.getReadyCount()
+                stats.getTranscriptionCount()
         );
     }