fix: write back backfilled analysis pdf urls

app/Console/Commands/BackfillExamAnalysisResultsCommand.php

@@ -178,7 +178,7 @@ class BackfillExamAnalysisResultsCommand extends Command
                 dispatch(new GenerateAnalysisPdfJob(
                     $item->paper_id,
                     $item->student_id,
-                    $item->analysis_id ? (string) $item->analysis_id : null
+                    null
                 ));
                 $this->info("已投递补PDF任务：{$item->paper_id} / {$item->student_id}");
                 $ok++;

app/Services/ExamPdfExportService.php

@@ -4510,52 +4510,60 @@ class ExamPdfExportService
                         'student_id' => $studentId,
                         'url' => $url,
                     ]);
-                }
-            } else {
-                // 【修复】同时更新 exam_analysis_results 表和分析报告表
-                $updated = \DB::connection('mysql')->table('exam_analysis_results')
-                    ->where('student_id', $studentId)
-                    ->where('paper_id', $paperId)
-                    ->update([
-                        'analysis_pdf_url' => $url,
-                        'updated_at' => now(),
-                    ]);
 
-                if ($updated) {
-                    Log::info('ExamPdfExportService: 学情分析PDF URL已写入exam_analysis_results表', [
-                        'student_id' => $studentId,
-                        'paper_id' => $paperId,
-                        'url' => $url,
-                        'updated_rows' => $updated,
-                    ]);
-                } else {
-                    Log::warning('ExamPdfExportService: 未找到要更新的学情分析记录', [
-                        'student_id' => $studentId,
-                        'paper_id' => $paperId,
-                    ]);
+                    return;
                 }
 
-                // 学生记录 - 使用新的 student_reports 表（备用）
-                \App\Models\StudentReport::updateOrCreate(
-                    [
-                        'student_id' => $studentId,
-                        'report_type' => 'exam_analysis',
-                        'paper_id' => $paperId,
-                    ],
-                    [
-                        'pdf_url' => $url,
-                        'generation_status' => 'completed',
-                        'generated_at' => now(),
-                        'updated_at' => now(),
-                    ]
-                );
+                Log::warning('ExamPdfExportService: recordId未匹配OCR记录，回退写入学情分析PDF URL', [
+                    'record_id' => $recordId,
+                    'student_id' => $studentId,
+                    'paper_id' => $paperId,
+                ]);
+            }
+
+            // 【修复】同时更新 exam_analysis_results 表和分析报告表
+            $updated = \DB::connection('mysql')->table('exam_analysis_results')
+                ->where('student_id', $studentId)
+                ->where('paper_id', $paperId)
+                ->update([
+                    'analysis_pdf_url' => $url,
+                    'updated_at' => now(),
+                ]);
 
-                Log::info('ExamPdfExportService: 学生学情报告PDF URL已保存到student_reports表（备用）', [
+            if ($updated) {
+                Log::info('ExamPdfExportService: 学情分析PDF URL已写入exam_analysis_results表', [
                     'student_id' => $studentId,
                     'paper_id' => $paperId,
                     'url' => $url,
+                    'updated_rows' => $updated,
+                ]);
+            } else {
+                Log::warning('ExamPdfExportService: 未找到要更新的学情分析记录', [
+                    'student_id' => $studentId,
+                    'paper_id' => $paperId,
                 ]);
             }
+
+            // 学生记录 - 使用新的 student_reports 表（备用）
+            \App\Models\StudentReport::updateOrCreate(
+                [
+                    'student_id' => $studentId,
+                    'report_type' => 'exam_analysis',
+                    'paper_id' => $paperId,
+                ],
+                [
+                    'pdf_url' => $url,
+                    'generation_status' => 'completed',
+                    'generated_at' => now(),
+                    'updated_at' => now(),
+                ]
+            );
+
+            Log::info('ExamPdfExportService: 学生学情报告PDF URL已保存到student_reports表（备用）', [
+                'student_id' => $studentId,
+                'paper_id' => $paperId,
+                'url' => $url,
+            ]);
         } catch (\Throwable $e) {
             Log::error('ExamPdfExportService: 写入学情分析PDF URL失败', [
                 'paper_id' => $paperId,