fix(aihr): recover stalled media processing

2026-07-29 15:09:01 +08:00
parent f17b904b5c
commit 652e48884b
18 changed files with 838 additions and 76 deletions
@@ -96,6 +96,12 @@ public class AihrSopController {
        return R.ok(uploadQueueService.retry(id));
    }

+    @SaCheckRole(value = {TenantConstants.SUPER_ADMIN_ROLE_KEY, HR_OPERATOR_ROLE}, mode = SaMode.OR)
+    @PostMapping("/doc/processing-tasks/{id}/retry")
+    public R<UploadEnqueueResponse> retryProcessingTask(@PathVariable Long id) {
+        return R.ok(uploadQueueService.retryAttachment(id));
+    }
+
    @SaCheckLogin
    @PostMapping("/search")
    public R<SearchResponse> search(@RequestBody SearchRequest request) {
@@ -68,6 +68,7 @@ import java.net.URI;
 import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
+import java.net.http.HttpTimeoutException;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.nio.file.Files;
@@ -740,6 +741,100 @@ public class AihrSopSeedService {
            () -> fileFingerprint(stagedFile));
    }

+    /**
+     * Reprocesses a media attachment from a queue-staged copy while retaining the original OSS object
+     * and its existing knowledge-space membership.
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public UploadResponse reprocessStagedAttachment(Long attachmentId, Path stagedFile) {
+        if (attachmentId == null || attachmentId <= 0 || stagedFile == null || !Files.isRegularFile(stagedFile)) {
+            throw new ServiceException("MEDIA_RETRY_SOURCE_MISSING: 待重试资料不存在");
+        }
+        PendingMediaAttachment attachment = jdbcTemplate.query("""
+            select a.id, a.knowledge_id, k.name as space_name,
+                   coalesce(k.text_block_size, 800) as block_size,
+                   coalesce(k.overlap_char, 120) as overlap_char,
+                   a.oss_id, a.doc_id, a.name
+              from aihr_knowledge_attach a
+              join aihr_knowledge_info k on k.tenant_id = a.tenant_id and k.id = a.knowledge_id
+             where a.tenant_id = ? and a.id = ? and a.status in (0, 1, 3)
+             for update
+            """, rs -> rs.next() ? new PendingMediaAttachment(
+                rs.getLong("id"), rs.getLong("knowledge_id"), rs.getString("space_name"),
+                Math.max(200, rs.getInt("block_size")),
+                Math.max(0, Math.min(rs.getInt("overlap_char"), 200)),
+                rs.getLong("oss_id"), rs.getString("doc_id"), rs.getString("name")
+            ) : null, tenantId(), attachmentId);
+        if (attachment == null || attachment.ossId() <= 0 || isBlank(attachment.fileName())
+            || (!imageFile(attachment.fileName()) && !AihrVideoService.videoFile(attachment.fileName()))) {
+            throw new ServiceException("MEDIA_RETRY_NOT_ALLOWED: 仅可重试待处理的图片或视频");
+        }
+
+        String docId = isBlank(attachment.docId())
+            ? UUID.randomUUID().toString().replace("-", "") : attachment.docId();
+        if (!docId.equals(attachment.docId())) {
+            jdbcTemplate.update("""
+                update aihr_knowledge_attach set doc_id = ?, update_time = now()
+                 where tenant_id = ? and id = ?
+                """, docId, tenantId(), attachment.id());
+        }
+        String content = readContent(stagedFile, attachment.fileName());
+        if (isBlank(content)) {
+            String reason = AihrVideoService.videoFile(attachment.fileName())
+                ? "MEDIA_NO_TEXT:video" : "MEDIA_NO_TEXT:image";
+            markAttachStatus(attachment.knowledgeId(), docId, 3, reason);
+            return new UploadResponse(docId, attachment.ossId(), attachment.fileName(),
+                attachment.spaceName(), 0,
+                "MEDIA_NO_TEXT: 未提取到可用于知识检索的文字，可检查源文件或模型配置后重试",
+                List.of("需重试"), List.of());
+        }
+
+        FileFingerprint sourceFingerprint = fileFingerprint(stagedFile);
+        DocumentFingerprint fingerprint = new DocumentFingerprint(
+            sourceFingerprint.sizeBytes(), sourceFingerprint.fileSha256(), sourceFingerprint.fileMd5(), textSha256(content));
+        DocumentInsight insight = documentInsight(attachment.fileName(), content, attachment.spaceName());
+        List<String> fragments = split(content, attachment.blockSize(), attachment.overlap());
+
+        deleteQdrantDoc(attachment.knowledgeId(), docId);
+        jdbcTemplate.update("""
+            delete from aihr_knowledge_fragment
+             where tenant_id = ? and knowledge_id = ? and doc_id = ?
+            """, tenantId(), attachment.knowledgeId(), docId);
+        for (int i = 0; i < fragments.size(); i++) {
+            jdbcTemplate.update("""
+                insert into aihr_knowledge_fragment
+                  (tenant_id, knowledge_id, idx, doc_id, content, create_time, update_time, remark)
+                values (?, ?, ?, ?, ?, now(), now(), ?)
+                """, tenantId(), attachment.knowledgeId(), i + 1, docId, fragments.get(i),
+                "media-reprocess:" + attachment.fileName());
+        }
+        embedFragments(attachment.knowledgeId(), attachment.spaceName(), docId, fragments);
+        updateOssInsight(attachment.ossId(), insight, fingerprint);
+        markAttachStatus(attachment.knowledgeId(), docId, 2,
+            "media-reprocess:" + firstNonBlank(insight.classifiedBy(), "manual"));
+
+        List<SnippetResponse> snippets = fragments.stream()
+            .limit(3)
+            .map(fragment -> new SnippetResponse(attachment.fileName(), fragment))
+            .toList();
+        return new UploadResponse(docId, attachment.ossId(), attachment.fileName(), attachment.spaceName(),
+            fragments.size(), insight.summary(), insight.tags(), snippets);
+    }
+
+    @Transactional
+    public void markMediaReprocessFailed(Long attachmentId, String reason) {
+        if (attachmentId == null || attachmentId <= 0) {
+            return;
+        }
+        String safeReason = reason != null && reason.matches("[A-Z][A-Z0-9_]{2,63}:.*")
+            ? truncate(reason, 180) : "MEDIA_PROCESSING_FAILED: 媒体解析失败";
+        jdbcTemplate.update("""
+            update aihr_knowledge_attach
+               set status = 3, remark = ?, update_time = now()
+             where tenant_id = ? and id = ? and status in (0, 1, 3)
+            """, safeReason, tenantId(), attachmentId);
+    }
+
    /**
     * Removes only one document-to-space membership. The shared OSS object is deleted only after a
     * cross-tenant reference count confirms that no other knowledge attachment still uses it.
@@ -1294,16 +1389,17 @@ public class AihrSopSeedService {
            for (SpaceConfig space : spaces) {
                String docId = upsertAttach(space.knowledgeId(), uploadedOss.getOssId(), fileName);
                docIds.add(docId);
-                markAttachStatus(space.knowledgeId(), docId, 0, video ? "pending-transcribe" : "pending-ocr");
+                markAttachStatus(space.knowledgeId(), docId, 3,
+                    video ? "MEDIA_NO_TEXT:video" : "MEDIA_NO_TEXT:image");
            }
        } catch (RuntimeException error) {
            deleteUploadedOssQuietly(uploadedOss);
            throw error;
        }
        String hint = video
-            ? "视频未提取到语音转写或画面文字，已在所选知识空间标记待处理"
-            : "图片未提取到文字，已在所选知识空间标记待处理";
-        List<String> tags = video ? List.of("视频", "待转写") : List.of("图片", "待OCR");
+            ? "MEDIA_NO_TEXT: 视频未提取到语音转写或画面文字，可从资料处理中心重试"
+            : "MEDIA_NO_TEXT: 图片未提取到可用文字，可从资料处理中心重试";
+        List<String> tags = video ? List.of("视频", "需重试") : List.of("图片", "需重试");
        return new UploadResponse(docIds.get(0), uploadedOss.getOssId(), fileName,
            String.join("、", spaces.stream().map(SpaceConfig::name).toList()), 0, hint, tags, List.of());
    }
@@ -1344,8 +1440,8 @@ public class AihrSopSeedService {
    }

    /**
-     * OCR/转写拿不到文字的图片或视频：只落 OSS + attach 标「等待解析」(status 0)，0 片段返回；
-     * 配置视觉/ASR 模型后重新上传同名文件即可替换加工。
+     * OCR/转写拿不到文字的图片或视频：保留 OSS，attach 标记为可重试失败（status 3），0 片段返回；
+     * 管理端可直接从原 OSS 重新入队，不要求用户再次上传。
     */
    private UploadResponse savePendingImage(String fileName, String category, Supplier<SysOssVo> ossUploader) {
        boolean video = AihrVideoService.videoFile(fileName);
@@ -1360,16 +1456,12 @@ public class AihrSopSeedService {
            deleteUploadedOssQuietly(uploadedOss);
            throw error;
        }
-        markAttachStatus(config.knowledgeId(), docId, 0, video ? "pending-transcribe" : "pending-ocr");
-        String hint;
-        if (video) {
-            hint = "视频未提取到语音转写或画面文字，已入库标记待处理；确认已启用 asr（语音）或 vision（画面）模型后重新上传即可解析";
-        } else {
-            hint = visionRuntime().isPresent()
-                ? "图片 OCR 未提取到文字（当前模型可能不支持图片输入，或图片中无可识别文字），已入库标记待处理"
-                : "未配置可用视觉模型，图片已入库标记待处理；在模型管理启用 vision/多模态 chat 模型后重新上传即可解析";
-        }
-        List<String> tags = video ? List.of("视频", "待转写") : List.of("图片", "待OCR");
+        markAttachStatus(config.knowledgeId(), docId, 3,
+            video ? "MEDIA_NO_TEXT:video" : "MEDIA_NO_TEXT:image");
+        String hint = video
+            ? "MEDIA_NO_TEXT: 视频未提取到语音转写或画面文字，可从资料处理中心重试"
+            : "MEDIA_NO_TEXT: 图片未提取到可用文字，可从资料处理中心重试";
+        List<String> tags = video ? List.of("视频", "需重试") : List.of("图片", "需重试");
        return new UploadResponse(docId, uploadedOss.getOssId(), fileName, knowledgeName, 0, hint, tags, List.of());
    }

@@ -1572,7 +1664,9 @@ public class AihrSopSeedService {
    }

    private String callVisionOcr(ChatRuntime runtime, byte[] imageBytes, String mimeType, String prompt) throws Exception {
-        String dataUrl = "data:" + mimeType + ";base64," + Base64.getEncoder().encodeToString(imageBytes);
+        AihrVisionImagePreprocessor.PreparedImage prepared = AihrVisionImagePreprocessor.prepare(imageBytes);
+        String dataUrl = "data:" + prepared.mimeType() + ";base64,"
+            + Base64.getEncoder().encodeToString(prepared.bytes());

        ObjectNode body = objectMapper.createObjectNode();
        body.put("model", runtime.modelName());
@@ -1600,16 +1694,26 @@ public class AihrSopSeedService {
        if (!isBlank(runtime.apiKey())) {
            builder.header("Authorization", "Bearer " + runtime.apiKey());
        }
-        HttpResponse<String> response = HttpClient.newBuilder()
-            .connectTimeout(Duration.ofSeconds(15))
-            .build()
-            .send(builder.build(), HttpResponse.BodyHandlers.ofString());
+        HttpResponse<String> response;
+        try {
+            response = HttpClient.newBuilder()
+                .connectTimeout(Duration.ofSeconds(15))
+                .build()
+                .send(builder.build(), HttpResponse.BodyHandlers.ofString());
+        } catch (HttpTimeoutException e) {
+            throw new ServiceException("VISION_TIMEOUT: 视觉模型调用超时");
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
+            throw new ServiceException("VISION_INTERRUPTED: 视觉模型调用已中断");
+        } catch (IOException e) {
+            throw new ServiceException("VISION_NETWORK_ERROR: 视觉模型网络调用失败");
+        }
        if (!ok(response.statusCode())) {
-            throw new IllegalStateException("vision OCR HTTP " + response.statusCode());
+            throw new ServiceException("VISION_HTTP_" + response.statusCode() + ": 视觉模型拒绝图片请求");
        }
        JsonNode choices = objectMapper.readTree(response.body()).path("choices");
        if (!choices.isArray() || choices.isEmpty()) {
-            throw new IllegalStateException("vision OCR response missing choices");
+            throw new ServiceException("VISION_BAD_RESPONSE: 视觉模型返回格式无效");
        }
        return choices.get(0).path("message").path("content").asText();
    }
@@ -1722,7 +1826,7 @@ public class AihrSopSeedService {
        long totalBytes = rows.stream().mapToLong(ProcessingTaskRow::sizeBytes).sum();
        int completed = (int) rows.stream().filter(row -> row.status() == 2).count();
        int processing = (int) rows.stream().filter(row -> row.status() == 1).count();
-        int failed = (int) rows.stream().filter(row -> row.status() == 3).count();
+        int failed = (int) rows.stream().filter(row -> row.status() == 0 || row.status() == 3).count();
        int embedded = rows.stream().mapToInt(ProcessingTaskRow::embeddingCount).sum();
        int fragments = rows.stream().mapToInt(ProcessingTaskRow::fragmentCount).sum();

@@ -1730,7 +1834,7 @@ public class AihrSopSeedService {
            new MetricResponse("total", "资料总量", formatBytes(totalBytes), "已接入 " + rows.size() + " 个文件", "danger"),
            new MetricResponse("completed", "已完成", String.valueOf(completed), "可引用资料", "success"),
            new MetricResponse("processing", "处理中", String.valueOf(processing), "进行中任务", "primary"),
-            new MetricResponse("failed", "失败", String.valueOf(failed), failed == 0 ? "暂无异常" : "待处理异常", "warning")
+            new MetricResponse("failed", "需处理", String.valueOf(failed), failed == 0 ? "暂无异常" : "可从任务列表重试", "warning")
        );

        Map<String, CategorySummary> summaries = new LinkedHashMap<>();
@@ -1825,7 +1929,7 @@ public class AihrSopSeedService {
            vectorStatus(row.fragmentCount(), row.embeddingCount(), row.status()),
            vectorType(row.fragmentCount(), row.embeddingCount(), row.status()),
            formatTime(row.updateTime()),
-            row.status() == 3 ? "重试" : row.status() == 0 ? "开始" : "查看",
+            row.status() == 3 || row.status() == 0 ? "重试" : "查看",
            row.remark(),
            row.summary(),
            row.tags(),
@@ -1834,8 +1938,9 @@ public class AihrSopSeedService {
    }

    private ProcessingEventResponse processingEvent(ProcessingTaskRow row) {
-        String resultType = row.status() == 3 ? "danger" : row.status() == 1 ? "primary" : "success";
-        String detail = row.status() == 3 ? row.remark() : "生成 " + row.fragmentCount() + " 个片段，入库 " + row.embeddingCount() + " 个向量";
+        String resultType = row.status() == 3 || row.status() == 0 ? "danger" : row.status() == 1 ? "primary" : "success";
+        String detail = row.status() == 3 || row.status() == 0
+            ? row.remark() : "生成 " + row.fragmentCount() + " 个片段，入库 " + row.embeddingCount() + " 个向量";
        return new ProcessingEventResponse(
            formatTime(row.updateTime()),
            "TASK-" + row.id(),
@@ -2055,7 +2160,7 @@ public class AihrSopSeedService {

    private static String statusLabel(int status) {
        return switch (status) {
-            case 0 -> "等待解析";
+            case 0 -> "待重试";
            case 1 -> "解析中";
            case 2 -> "已完成";
            case 3 -> "失败";
@@ -2077,12 +2182,12 @@ public class AihrSopSeedService {
            case 1 -> "Tika 解析";
            case 2 -> "向量化入库";
            case 3 -> "解析失败";
-            default -> "等待解析";
+            default -> "待重试";
        };
    }

    private static String vectorStatus(int fragments, int embeddings, int status) {
-        if (status == 3) {
+        if (status == 0 || status == 3) {
            return "失败原因";
        }
        if (fragments <= 0) {
@@ -2098,7 +2203,7 @@ public class AihrSopSeedService {
    }

    private static String vectorType(int fragments, int embeddings, int status) {
-        if (status == 3) {
+        if (status == 0 || status == 3) {
            return "danger";
        }
        if (fragments <= 0 || embeddings <= 0) {
@@ -3833,12 +3938,17 @@ public class AihrSopSeedService {
                    byte[] bytes = file.getBytes();
                    String text = callVisionOcr(runtime.get(), bytes, guessMimeType(fileName));
                    return normalizeExtractedText(text);
+                } catch (ServiceException e) {
+                    log.warn("image OCR failed file={} model={} reason={}",
+                        AihrSensitiveText.forModel(fileName), runtime.get().modelName(), mediaFailureReason(e));
+                    throw e;
                } catch (Exception e) {
-                    log.warn("image ocr failed for {} via {}（处理错误已隐藏）", AihrSensitiveText.forModel(fileName), runtime.get().modelName());
-                    return "";
+                    log.warn("image OCR failed file={} model={} reason=VISION_OCR_FAILED",
+                        AihrSensitiveText.forModel(fileName), runtime.get().modelName());
+                    throw new ServiceException("VISION_OCR_FAILED: 图片文字识别失败");
                }
            }
-            return "";
+            throw new ServiceException("VISION_NOT_CONFIGURED: 未配置可用视觉模型");
        }
        try (InputStream input = file.getInputStream()) {
            return readKnowledgeDocument(input, fileName);
@@ -3856,9 +3966,14 @@ public class AihrSopSeedService {
                }
                try {
                    return Optional.of(normalizeExtractedText(callVisionOcr(runtime.get(), bytes, mimeType, FRAME_PROMPT)));
+                } catch (ServiceException e) {
+                    log.warn("video frame OCR failed file={} reason={}",
+                        AihrSensitiveText.forModel(fileName), mediaFailureReason(e));
+                    throw e;
                } catch (Exception e) {
-                    log.warn("video frame ocr failed for {}（处理错误已隐藏）", AihrSensitiveText.forModel(fileName));
-                    return Optional.empty();
+                    log.warn("video frame OCR failed file={} reason=VISION_OCR_FAILED",
+                        AihrSensitiveText.forModel(fileName));
+                    throw new ServiceException("VISION_OCR_FAILED: 视频关键帧识别失败");
                }
            });
        }
@@ -3872,12 +3987,17 @@ public class AihrSopSeedService {
                    byte[] bytes = Files.readAllBytes(file);
                    String text = callVisionOcr(runtime.get(), bytes, guessMimeType(fileName));
                    return normalizeExtractedText(text);
+                } catch (ServiceException e) {
+                    log.warn("image OCR failed file={} model={} reason={}",
+                        AihrSensitiveText.forModel(fileName), runtime.get().modelName(), mediaFailureReason(e));
+                    throw e;
                } catch (Exception e) {
-                    log.warn("image ocr failed for {} via {}（处理错误已隐藏）", AihrSensitiveText.forModel(fileName), runtime.get().modelName());
-                    return "";
+                    log.warn("image OCR failed file={} model={} reason=VISION_OCR_FAILED",
+                        AihrSensitiveText.forModel(fileName), runtime.get().modelName());
+                    throw new ServiceException("VISION_OCR_FAILED: 图片文字识别失败");
                }
            }
-            return "";
+            throw new ServiceException("VISION_NOT_CONFIGURED: 未配置可用视觉模型");
        }
        try (InputStream input = Files.newInputStream(file)) {
            return readKnowledgeDocument(input, fileName);
@@ -4085,6 +4205,13 @@ public class AihrSopSeedService {
        return value.substring(0, maxLength);
    }

+    private static String mediaFailureReason(ServiceException error) {
+        String message = error == null ? "" : error.getMessage();
+        int separator = message == null ? -1 : message.indexOf(':');
+        String code = separator > 0 ? message.substring(0, separator) : message;
+        return code != null && code.matches("[A-Z][A-Z0-9_]{2,63}") ? code : "MEDIA_PROCESSING_FAILED";
+    }
+
    private String tenantId() {
        return firstNonBlank(TenantHelper.getTenantId(), TENANT_ID);
    }
@@ -4250,6 +4377,10 @@ public class AihrSopSeedService {
    private record SpaceConfig(long knowledgeId, String code, String name, int blockSize, int overlap) {
    }

+    private record PendingMediaAttachment(long id, long knowledgeId, String spaceName, int blockSize,
+                                          int overlap, long ossId, String docId, String fileName) {
+    }
+
    private record EmbeddingRuntime(String modelName, String baseUrl, String apiKey, int dimension) {
    }

@@ -8,14 +8,23 @@ import org.dromara.aihr.domain.AihrSopDto.UploadEnqueueResponse;
 import org.dromara.aihr.domain.AihrSopDto.UploadItemResponse;
 import org.dromara.aihr.domain.AihrSopDto.UploadResponse;
 import org.dromara.common.core.exception.ServiceException;
+import org.dromara.common.oss.core.OssClient;
+import org.dromara.common.oss.factory.OssFactory;
 import org.dromara.common.tenant.helper.TenantHelper;
+import org.dromara.system.domain.vo.SysOssVo;
+import org.dromara.system.service.ISysOssService;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.dao.DataAccessException;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.transaction.support.TransactionSynchronization;
+import org.springframework.transaction.support.TransactionSynchronizationManager;
 import org.springframework.web.multipart.MultipartFile;

 import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
@@ -67,6 +76,7 @@ public class AihrUploadQueueService {
    private static final ObjectMapper JSON = new ObjectMapper();

    private final AihrSopSeedService sopSeedService;
+    private final ISysOssService ossService;
    private final JdbcTemplate jdbcTemplate;
    private final ScheduledExecutorService scheduledExecutorService;
    private final Path stagingRoot;
@@ -78,10 +88,12 @@ public class AihrUploadQueueService {
    private volatile boolean tableReady;

    public AihrUploadQueueService(AihrSopSeedService sopSeedService,
+                                  ISysOssService ossService,
                                  JdbcTemplate jdbcTemplate,
                                  ScheduledExecutorService scheduledExecutorService,
                                  @Value("${aihr.upload.staging:./.data/staging}") String stagingRootConfig) {
        this.sopSeedService = sopSeedService;
+        this.ossService = ossService;
        this.jdbcTemplate = jdbcTemplate;
        this.scheduledExecutorService = scheduledExecutorService;
        this.stagingRoot = Path.of(stagingRootConfig).toAbsolutePath().normalize();
@@ -167,6 +179,67 @@ public class AihrUploadQueueService {
            """.formatted(safeLimit), this::mapItem, currentTenantId(), batch);
    }

+    /**
+     * Restages a failed/legacy-pending media attachment from its original OSS object and puts it back
+     * on the same asynchronous worker. The attachment row is claimed with CAS to prevent double retry.
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public UploadEnqueueResponse retryAttachment(Long attachmentId) {
+        ensureTable();
+        if (attachmentId == null || attachmentId <= 0) {
+            throw new ServiceException("MEDIA_RETRY_NOT_FOUND: 待重试资料不存在");
+        }
+        String tenantId = currentTenantId();
+        SourceAttachment source = jdbcTemplate.query("""
+            select a.id, a.oss_id, a.name, a.status, k.code as space_code, k.name as category
+              from aihr_knowledge_attach a
+              join aihr_knowledge_info k on k.tenant_id = a.tenant_id and k.id = a.knowledge_id
+             where a.tenant_id = ? and a.id = ?
+            """, rs -> rs.next() ? new SourceAttachment(
+                rs.getLong("id"), rs.getLong("oss_id"), rs.getString("name"), rs.getInt("status"),
+                rs.getString("space_code"), rs.getString("category")
+            ) : null, tenantId, attachmentId);
+        if (source == null || source.ossId() <= 0 || source.fileName() == null
+            || (!AihrSopSeedService.supportedFile(source.fileName())
+            || (!AihrVideoService.videoFile(source.fileName()) && !isImage(source.fileName())))
+            || (source.status() != 0 && source.status() != 3)) {
+            throw new ServiceException("MEDIA_RETRY_NOT_ALLOWED: 仅可重试待处理的图片或视频");
+        }
+
+        Path staged = stagingPath(source.fileName());
+        try {
+            int claimed = jdbcTemplate.update("""
+                update aihr_knowledge_attach
+                   set status = 1, remark = 'media-retry:queued', update_time = now()
+                 where tenant_id = ? and id = ? and status in (0, 3)
+                """, tenantId, attachmentId);
+            if (claimed != 1) {
+                throw new ServiceException("MEDIA_RETRY_ALREADY_QUEUED: 资料已进入解析队列");
+            }
+            stageSourceObject(source, staged);
+            String batchId = "retry-" + UUID.randomUUID();
+            jdbcTemplate.update("""
+                insert into aihr_knowledge_upload_item
+                  (tenant_id, batch_id, file_name, category, space_codes_json, staging_path,
+                   source_attach_id, status, create_time, update_time)
+                values (?, ?, ?, ?, ?, ?, ?, 0, now(), now())
+                """, tenantId, batchId, source.fileName(), source.category(),
+                writeSpaceCodes(List.of(source.spaceCode())), staged.toString(), attachmentId);
+            Long itemId = jdbcTemplate.query("""
+                select id from aihr_knowledge_upload_item where tenant_id = ? and staging_path = ?
+                """, rs -> rs.next() ? rs.getLong(1) : null, tenantId, staged.toString());
+            triggerAfterCommit();
+            return new UploadEnqueueResponse(itemId, batchId, source.fileName(), "queued");
+        } catch (RuntimeException | IOException e) {
+            deleteQuietly(staged);
+            if (e instanceof ServiceException serviceException) {
+                throw serviceException;
+            }
+            throw new ServiceException("MEDIA_RETRY_SOURCE_UNAVAILABLE: 原始文件读取失败");
+        }
+    }
+
+    @Transactional(rollbackFor = Exception.class)
    public UploadItemResponse retry(Long id) {
        ensureTable();
        if (id == null) {
@@ -174,12 +247,14 @@ public class AihrUploadQueueService {
        }
        String tenantId = currentTenantId();
        ItemRow row = jdbcTemplate.query("""
-            select tenant_id, id, batch_id, file_name, category, space_codes_json, staging_path, status
+            select tenant_id, id, batch_id, file_name, category, space_codes_json, staging_path,
+                   source_attach_id, status
              from aihr_knowledge_upload_item
             where tenant_id = ? and id = ?
            """, rs -> rs.next()
                ? new ItemRow(rs.getString("tenant_id"), rs.getLong("id"), rs.getString("batch_id"), rs.getString("file_name"),
-                    rs.getString("category"), readSpaceCodes(rs.getString("space_codes_json")), rs.getString("staging_path"), rs.getInt("status"))
+                    rs.getString("category"), readSpaceCodes(rs.getString("space_codes_json")),
+                    rs.getString("staging_path"), rs.getObject("source_attach_id", Long.class), rs.getInt("status"))
                : null, tenantId, id);
        if (row == null) {
            throw new ServiceException("重试条目不存在");
@@ -199,7 +274,17 @@ public class AihrUploadQueueService {
        if (updated == 0) {
            throw new ServiceException("仅失败状态的文件可重试");
        }
-        triggerProcessing();
+        if (row.sourceAttachId() != null) {
+            int claimed = jdbcTemplate.update("""
+                update aihr_knowledge_attach
+                   set status = 1, remark = 'media-retry:queued', update_time = now()
+                 where tenant_id = ? and id = ? and status in (0, 3)
+                """, tenantId, row.sourceAttachId());
+            if (claimed != 1) {
+                throw new ServiceException("MEDIA_RETRY_ALREADY_QUEUED: 资料已进入解析队列");
+            }
+        }
+        triggerAfterCommit();
        return item(id);
    }

@@ -270,19 +355,25 @@ public class AihrUploadQueueService {
        String tenantId = claim.tenantId();
        Long id = claim.id();
        ItemRow row = jdbcTemplate.query("""
-            select tenant_id, id, batch_id, file_name, category, space_codes_json, staging_path, status
+            select tenant_id, id, batch_id, file_name, category, space_codes_json, staging_path,
+                   source_attach_id, status
              from aihr_knowledge_upload_item
             where tenant_id = ? and id = ?
            """, rs -> rs.next()
                ? new ItemRow(rs.getString("tenant_id"), rs.getLong("id"), rs.getString("batch_id"), rs.getString("file_name"),
-                    rs.getString("category"), readSpaceCodes(rs.getString("space_codes_json")), rs.getString("staging_path"), rs.getInt("status"))
+                    rs.getString("category"), readSpaceCodes(rs.getString("space_codes_json")),
+                    rs.getString("staging_path"), rs.getObject("source_attach_id", Long.class), rs.getInt("status"))
                : null, tenantId, id);
        if (row == null) {
            return;
        }
        Path staged = Path.of(row.stagingPath());
        if (!Files.isRegularFile(staged)) {
-            markFailed(tenantId, id, "暂存文件已丢失，请重新上传该文件");
+            String message = row.sourceAttachId() == null
+                ? "暂存文件已丢失，请重新上传该文件"
+                : "MEDIA_RETRY_STAGING_MISSING: 重试暂存文件已丢失，请从原文件重新入队";
+            markFailed(tenantId, id, message);
+            markSourceAttachmentFailed(tenantId, row.sourceAttachId(), message);
            return;
        }
        try {
@@ -298,28 +389,36 @@ public class AihrUploadQueueService {
                }
                return;
            }
-            UploadResponse result = TenantHelper.dynamic(tenantId, () -> row.spaceCodes().isEmpty()
-                ? sopSeedService.processStagedDocument(row.fileName(), row.category(), staged)
-                : sopSeedService.processStagedDocument(row.fileName(), row.spaceCodes(), staged));
-            // 0 片段的完成态（如图片待 OCR）把说明写进 error 列，面板可见原因
-            String note = result.fragments() != null && result.fragments() == 0 ? truncateError(result.summary()) : null;
-            // CAS：仅当仍是本工人持有的「处理中」才写完成，防止清扫重置后被后来的工人覆盖状态
+            UploadResponse result = TenantHelper.dynamic(tenantId, () -> {
+                if (row.sourceAttachId() != null) {
+                    return sopSeedService.reprocessStagedAttachment(row.sourceAttachId(), staged);
+                }
+                return row.spaceCodes().isEmpty()
+                    ? sopSeedService.processStagedDocument(row.fileName(), row.category(), staged)
+                    : sopSeedService.processStagedDocument(row.fileName(), row.spaceCodes(), staged);
+            });
+            boolean completed = result.fragments() != null && result.fragments() > 0;
+            String note = completed ? null : truncateError(firstNonBlank(
+                result.summary(), "MEDIA_NO_TEXT: 未提取到可用文字"));
+            // 0 片段不是完成态：保留暂存文件和可重试失败状态，避免附件永久显示成“等待解析”。
            int updated = jdbcTemplate.update("""
                update aihr_knowledge_upload_item
-                   set status = 2, error = ?, doc_id = ?, fragment_count = ?, update_time = now()
+                   set status = ?, error = ?, doc_id = ?, fragment_count = ?, update_time = now()
                 where tenant_id = ? and id = ? and status = 1
-                """, note, result.docId(), result.fragments(), tenantId, id);
-            if (updated == 1) {
+                """, completed ? 2 : 3, note, result.docId(), result.fragments(), tenantId, id);
+            if (updated == 1 && completed) {
                deleteQuietly(staged);
            } else {
-                log.info("upload item {} finished but row was re-claimed, skip status write", id);
+                log.info("upload item {} result persisted completed={} updated={}", id, completed, updated);
            }
        } catch (ArchiveException e) {
            log.warn("upload item {} archive rejected: {}", id, e.getMessage(), e);
            markFailed(tenantId, id, e.getMessage());
        } catch (Exception e) {
-            log.warn("upload item {} process failed", id, e);
-            markFailed(tenantId, id, "资料加工失败，请重试或联系管理员");
+            String message = processingFailureMessage(e);
+            log.warn("upload item {} process failed reason={}", id, failureCode(message));
+            markFailed(tenantId, id, message);
+            markSourceAttachmentFailed(tenantId, row.sourceAttachId(), message);
        }
    }

@@ -542,6 +641,46 @@ public class AihrUploadQueueService {
            """, error, tenantId, id);
    }

+    private void markSourceAttachmentFailed(String tenantId, Long attachmentId, String message) {
+        if (attachmentId == null) {
+            return;
+        }
+        try {
+            TenantHelper.dynamic(tenantId, () -> {
+                sopSeedService.markMediaReprocessFailed(attachmentId, message);
+                return null;
+            });
+        } catch (Exception e) {
+            log.warn("media source attachment {} failure status update skipped", attachmentId);
+        }
+    }
+
+    private static String processingFailureMessage(Exception error) {
+        if (error instanceof ServiceException) {
+            String message = error.getMessage();
+            if (message != null && message.matches("[A-Z][A-Z0-9_]{2,63}:.*")) {
+                return truncateError(message);
+            }
+        }
+        return "资料加工失败，请重试或联系管理员";
+    }
+
+    private static String failureCode(String message) {
+        int separator = message == null ? -1 : message.indexOf(':');
+        return separator > 0 ? message.substring(0, separator) : "PROCESSING_FAILED";
+    }
+
+    private static String firstNonBlank(String... values) {
+        if (values != null) {
+            for (String value : values) {
+                if (value != null && !value.isBlank()) {
+                    return value;
+                }
+            }
+        }
+        return "";
+    }
+
    private static String truncateError(String value) {
        if (value == null || value.length() <= MAX_ERROR_CHARS) {
            return value;
@@ -586,12 +725,66 @@ public class AihrUploadQueueService {
        };
    }

+    private void stageSourceObject(SourceAttachment source, Path target) throws IOException {
+        if (ossService == null) {
+            throw new ServiceException("MEDIA_RETRY_SOURCE_UNAVAILABLE: 对象存储服务不可用");
+        }
+        SysOssVo object = ossService.getById(source.ossId());
+        if (object == null || object.getOssId() == null || !source.ossId().equals(object.getOssId())
+            || object.getService() == null || object.getService().isBlank()
+            || object.getFileName() == null || object.getFileName().isBlank()) {
+            throw new ServiceException("MEDIA_RETRY_SOURCE_UNAVAILABLE: 原始文件不存在");
+        }
+        long maxBytes = AihrVideoService.videoFile(source.fileName()) ? MAX_VIDEO_BYTES : MAX_FILE_BYTES;
+        OssClient client = OssFactory.instance(object.getService());
+        Files.createDirectories(target.getParent());
+        try (InputStream input = client.getObjectContent(object.getFileName());
+             OutputStream output = Files.newOutputStream(target)) {
+            copyWithLimit(input, output, maxBytes);
+        } catch (RuntimeException | IOException e) {
+            deleteQuietly(target);
+            throw e;
+        }
+    }
+
+    private static void copyWithLimit(InputStream input, OutputStream output, long maxBytes) throws IOException {
+        byte[] buffer = new byte[8192];
+        long copied = 0;
+        int read;
+        while ((read = input.read(buffer)) != -1) {
+            copied += read;
+            if (copied > maxBytes) {
+                throw new ServiceException("MEDIA_RETRY_SOURCE_TOO_LARGE: 原始文件超过处理上限");
+            }
+            output.write(buffer, 0, read);
+        }
+    }
+
+    private void triggerAfterCommit() {
+        if (!TransactionSynchronizationManager.isSynchronizationActive()) {
+            triggerProcessing();
+            return;
+        }
+        TransactionSynchronizationManager.registerSynchronization(new TransactionSynchronization() {
+            @Override
+            public void afterCommit() {
+                triggerProcessing();
+            }
+        });
+    }
+
    private Path stagingPath(String fileName) {
        String lower = fileName.toLowerCase();
        String extension = lower.contains(".") ? lower.substring(lower.lastIndexOf('.')) : "";
        return stagingRoot.resolve(UUID.randomUUID() + extension);
    }

+    private static boolean isImage(String fileName) {
+        String lower = fileName == null ? "" : fileName.toLowerCase(Locale.ROOT);
+        return lower.endsWith(".jpg") || lower.endsWith(".jpeg") || lower.endsWith(".png")
+            || lower.endsWith(".gif") || lower.endsWith(".webp") || lower.endsWith(".bmp");
+    }
+
    /** 去掉路径分隔与控制字符，防止暂存路径逃逸出 stagingRoot。 */
    private static String sanitizeFileName(String original) {
        String name = original == null || original.isBlank() ? "knowledge.txt" : original.trim();
@@ -666,6 +859,9 @@ public class AihrUploadQueueService {
            }
            if (!runtimeSchemaBootstrap) {
                AihrSchemaMigrationGuard.requireTables(jdbcTemplate, "aihr_knowledge_upload_item");
+                AihrSchemaMigrationGuard.requireColumns(jdbcTemplate, "aihr_knowledge_upload_item", "source_attach_id");
+                AihrSchemaMigrationGuard.requireIndexes(jdbcTemplate, "aihr_knowledge_upload_item",
+                    "idx_aihr_upload_item_source");
                tableReady = true;
                return;
            }
@@ -678,6 +874,7 @@ public class AihrUploadQueueService {
                  `category` varchar(100) DEFAULT '' COMMENT '目标分类',
                  `space_codes_json` json DEFAULT NULL COMMENT '目标知识空间编码',
                  `staging_path` varchar(500) NOT NULL COMMENT '暂存文件路径',
+                  `source_attach_id` bigint DEFAULT NULL COMMENT '从既有附件重新解析时的附件ID',
                  `status` tinyint NOT NULL DEFAULT 0 COMMENT '0待处理 1处理中 2完成 3失败',
                  `error` varchar(500) DEFAULT NULL COMMENT '失败原因',
                  `doc_id` varchar(80) DEFAULT NULL COMMENT '入库文档ID',
@@ -686,14 +883,46 @@ public class AihrUploadQueueService {
                  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
                  PRIMARY KEY (`id`),
                  KEY `idx_aihr_upload_item_batch` (`tenant_id`, `batch_id`, `id`),
-                  KEY `idx_aihr_upload_item_status` (`tenant_id`, `status`, `update_time`)
+                  KEY `idx_aihr_upload_item_status` (`tenant_id`, `status`, `update_time`),
+                  KEY `idx_aihr_upload_item_source` (`tenant_id`, `source_attach_id`, `id`)
                ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='知识库批量上传队列';
                """);
+            ensureDevelopmentRetrySchema();
            tableReady = true;
        }
    }

+    private void ensureDevelopmentRetrySchema() {
+        Integer column = jdbcTemplate.queryForObject("""
+            select count(*) from information_schema.columns
+             where table_schema = database() and table_name = 'aihr_knowledge_upload_item'
+               and column_name = 'source_attach_id'
+            """, Integer.class);
+        if (column == null || column == 0) {
+            jdbcTemplate.execute("""
+                alter table aihr_knowledge_upload_item
+                  add column source_attach_id bigint default null comment '从既有附件重新解析时的附件ID'
+                  after staging_path
+                """);
+        }
+        Integer index = jdbcTemplate.queryForObject("""
+            select count(*) from information_schema.statistics
+             where table_schema = database() and table_name = 'aihr_knowledge_upload_item'
+               and index_name = 'idx_aihr_upload_item_source'
+            """, Integer.class);
+        if (index == null || index == 0) {
+            jdbcTemplate.execute("""
+                alter table aihr_knowledge_upload_item
+                  add key idx_aihr_upload_item_source (tenant_id, source_attach_id, id)
+                """);
+        }
+    }
+
    private record ItemRow(String tenantId, Long id, String batchId, String fileName, String category,
-                           List<String> spaceCodes, String stagingPath, int status) {
+                           List<String> spaceCodes, String stagingPath, Long sourceAttachId, int status) {
+    }
+
+    private record SourceAttachment(Long id, Long ossId, String fileName, int status, String spaceCode,
+                                    String category) {
    }
 }
@@ -0,0 +1,146 @@
+package org.dromara.aihr.service;
+
+import org.dromara.common.core.exception.ServiceException;
+
+import javax.imageio.IIOImage;
+import javax.imageio.ImageIO;
+import javax.imageio.ImageReadParam;
+import javax.imageio.ImageReader;
+import javax.imageio.ImageWriteParam;
+import javax.imageio.ImageWriter;
+import javax.imageio.stream.ImageInputStream;
+import javax.imageio.stream.ImageOutputStream;
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.Iterator;
+
+/**
+ * Bounds image dimensions and request size before an image is embedded in a vision-model data URL.
+ * Metadata is read before decoding and source subsampling is used for oversized images so a compressed
+ * multi-gigapixel JPEG does not have to be expanded at full resolution in the JVM.
+ */
+final class AihrVisionImagePreprocessor {
+
+    static final int MAX_LONG_EDGE = 2048;
+    static final long MAX_PIXELS = 4_194_304L;
+    static final int MAX_ENCODED_BYTES = 5 * 1024 * 1024;
+    private static final float JPEG_QUALITY = 0.82F;
+
+    private AihrVisionImagePreprocessor() {
+    }
+
+    static PreparedImage prepare(byte[] source) {
+        if (source == null || source.length == 0) {
+            throw new ServiceException("VISION_IMAGE_EMPTY: 图片内容为空");
+        }
+        try (ImageInputStream input = ImageIO.createImageInputStream(new ByteArrayInputStream(source))) {
+            if (input == null) {
+                throw new ServiceException("VISION_IMAGE_INVALID: 无法读取图片");
+            }
+            Iterator<ImageReader> readers = ImageIO.getImageReaders(input);
+            if (!readers.hasNext()) {
+                throw new ServiceException("VISION_IMAGE_FORMAT_UNSUPPORTED: 图片格式不受支持");
+            }
+            ImageReader reader = readers.next();
+            try {
+                reader.setInput(input, true, true);
+                int width = reader.getWidth(0);
+                int height = reader.getHeight(0);
+                if (width <= 0 || height <= 0) {
+                    throw new ServiceException("VISION_IMAGE_INVALID: 图片尺寸无效");
+                }
+                int subsampling = sourceSubsampling(width, height);
+                ImageReadParam readParam = reader.getDefaultReadParam();
+                if (subsampling > 1) {
+                    readParam.setSourceSubsampling(subsampling, subsampling, 0, 0);
+                }
+                BufferedImage decoded = reader.read(0, readParam);
+                if (decoded == null) {
+                    throw new ServiceException("VISION_IMAGE_INVALID: 图片解码失败");
+                }
+                BufferedImage bounded = boundDimensions(decoded);
+                BufferedImage processed = bounded;
+                byte[] encoded = encodeJpeg(processed, JPEG_QUALITY);
+                if (encoded.length > MAX_ENCODED_BYTES) {
+                    processed = boundDimensions(bounded, 0.75D);
+                    encoded = encodeJpeg(processed, 0.70F);
+                }
+                if (encoded.length > MAX_ENCODED_BYTES) {
+                    throw new ServiceException("VISION_IMAGE_TOO_LARGE: 图片压缩后仍超过视觉模型请求上限");
+                }
+                return new PreparedImage(encoded, "image/jpeg", processed.getWidth(), processed.getHeight(),
+                    width, height);
+            } finally {
+                reader.dispose();
+            }
+        } catch (ServiceException e) {
+            throw e;
+        } catch (IOException | RuntimeException e) {
+            throw new ServiceException("VISION_IMAGE_INVALID: 图片预处理失败");
+        }
+    }
+
+    private static int sourceSubsampling(int width, int height) {
+        long pixels = (long) width * height;
+        double edgeScale = Math.max(width / (double) MAX_LONG_EDGE, height / (double) MAX_LONG_EDGE);
+        double pixelScale = Math.sqrt(pixels / (double) MAX_PIXELS);
+        return Math.max(1, (int) Math.ceil(Math.max(edgeScale, pixelScale)));
+    }
+
+    private static BufferedImage boundDimensions(BufferedImage source) {
+        long pixels = (long) source.getWidth() * source.getHeight();
+        double scale = Math.min(1D, Math.min(
+            MAX_LONG_EDGE / (double) Math.max(source.getWidth(), source.getHeight()),
+            Math.sqrt(MAX_PIXELS / (double) pixels)
+        ));
+        return boundDimensions(source, scale);
+    }
+
+    private static BufferedImage boundDimensions(BufferedImage source, double scale) {
+        int width = Math.max(1, (int) Math.floor(source.getWidth() * Math.min(1D, scale)));
+        int height = Math.max(1, (int) Math.floor(source.getHeight() * Math.min(1D, scale)));
+        BufferedImage rgb = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
+        Graphics2D graphics = rgb.createGraphics();
+        try {
+            graphics.setColor(Color.WHITE);
+            graphics.fillRect(0, 0, width, height);
+            graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
+            graphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
+            graphics.drawImage(source, 0, 0, width, height, null);
+        } finally {
+            graphics.dispose();
+        }
+        return rgb;
+    }
+
+    private static byte[] encodeJpeg(BufferedImage image, float quality) throws IOException {
+        Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName("jpeg");
+        if (!writers.hasNext()) {
+            throw new IOException("JPEG writer unavailable");
+        }
+        ImageWriter writer = writers.next();
+        try (ByteArrayOutputStream output = new ByteArrayOutputStream();
+             ImageOutputStream imageOutput = ImageIO.createImageOutputStream(output)) {
+            writer.setOutput(imageOutput);
+            ImageWriteParam writeParam = writer.getDefaultWriteParam();
+            if (writeParam.canWriteCompressed()) {
+                writeParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
+                writeParam.setCompressionQuality(quality);
+            }
+            writer.write(null, new IIOImage(image, null, null), writeParam);
+            imageOutput.flush();
+            return output.toByteArray();
+        } finally {
+            writer.dispose();
+        }
+    }
+
+    record PreparedImage(byte[] bytes, String mimeType, int width, int height,
+                         int originalWidth, int originalHeight) {
+    }
+}
@@ -174,6 +174,25 @@ public class AihrSopSeedServiceTest {
        assertTrue(code.contains("!modelService.visionAllowed()"));
    }

+    @Test
+    @Tag("dev")
+    public void mediaWithoutTextFailsExplicitlyAndCanBeRestagedFromOss() throws Exception {
+        Path source = Path.of("src/main/java/org/dromara/aihr/service/AihrSopSeedService.java");
+        if (!Files.exists(source)) {
+            source = Path.of("ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/service/AihrSopSeedService.java");
+        }
+        String code = Files.readString(source).replace("\r\n", "\n");
+
+        assertTrue(code.contains("AihrVisionImagePreprocessor.prepare(imageBytes)"));
+        assertTrue(code.contains("markAttachStatus(space.knowledgeId(), docId, 3"));
+        assertTrue(code.contains("markAttachStatus(config.knowledgeId(), docId, 3"));
+        assertTrue(code.contains("public UploadResponse reprocessStagedAttachment"));
+        assertTrue(code.contains("MEDIA_NO_TEXT"));
+        assertTrue(AihrSopSeedService.class
+            .getMethod("reprocessStagedAttachment", Long.class, Path.class)
+            .getAnnotation(org.springframework.transaction.annotation.Transactional.class) != null);
+    }
+
    @Test
    @Tag("dev")
    public void documentUploadCleansNewOssWhenAttachWriteFails() throws Exception {
@@ -44,7 +44,7 @@ class AihrUploadQueueServiceTest {
        when(jdbcTemplate.update(anyString(), any(Object[].class))).thenReturn(1);
        ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
        try {
-            AihrUploadQueueService service = new AihrUploadQueueService(null, jdbcTemplate, executor, staging.toString());
+            AihrUploadQueueService service = new AihrUploadQueueService(null, null, jdbcTemplate, executor, staging.toString());

            int extracted = assertDoesNotThrow(() -> expandArchive(service, itemRow(archive)));

@@ -83,6 +83,23 @@ class AihrUploadQueueServiceTest {
        assertFalse(code.contains("where tenant_id = ? and status = 1\n                   and ("));
    }

+    @Test
+    void zeroFragmentMediaIsRetryableAndExistingAttachmentsKeepTheirSourceLineage() throws Exception {
+        Path source = Path.of("src/main/java/org/dromara/aihr/service/AihrUploadQueueService.java");
+        if (!Files.exists(source)) {
+            source = Path.of("ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/service/AihrUploadQueueService.java");
+        }
+        String code = Files.readString(source).replace("\r\n", "\n");
+
+        assertTrue(code.contains("boolean completed = result.fragments() != null && result.fragments() > 0"));
+        assertTrue(code.contains("completed ? 2 : 3"));
+        assertTrue(code.contains("if (updated == 1 && completed)"));
+        assertTrue(code.contains("source_attach_id"));
+        assertTrue(code.contains("sopSeedService.reprocessStagedAttachment"));
+        assertTrue(code.contains("TransactionSynchronizationManager.registerSynchronization"));
+        assertTrue(code.contains("MEDIA_RETRY_ALREADY_QUEUED"));
+    }
+
    private static void writeZip(Path archive, Charset charset, String... entries) throws IOException {
        try (ZipOutputStream output = new ZipOutputStream(Files.newOutputStream(archive), charset)) {
            for (String entry : entries) {
@@ -97,7 +114,8 @@ class AihrUploadQueueServiceTest {
        Class<?> rowType = Class.forName("org.dromara.aihr.service.AihrUploadQueueService$ItemRow");
        Constructor<?> constructor = rowType.getDeclaredConstructors()[0];
        constructor.setAccessible(true);
-        return constructor.newInstance("000000", 1L, "batch", "legacy.zip", "__auto__", java.util.List.of(), archive.toString(), 1);
+        return constructor.newInstance("000000", 1L, "batch", "legacy.zip", "__auto__",
+            java.util.List.of(), archive.toString(), null, 1);
    }

    private static int expandArchive(AihrUploadQueueService service, Object itemRow) throws Exception {
@@ -0,0 +1,53 @@
+package org.dromara.aihr.service;
+
+import org.junit.jupiter.api.Tag;
+import org.junit.jupiter.api.Test;
+
+import javax.imageio.ImageIO;
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+@Tag("dev")
+class AihrVisionImagePreprocessorTest {
+
+    @Test
+    void downsamplesLargeImagesBeforeVisionRequest() throws Exception {
+        BufferedImage source = new BufferedImage(3200, 2400, BufferedImage.TYPE_INT_RGB);
+        Graphics2D graphics = source.createGraphics();
+        try {
+            graphics.setColor(Color.WHITE);
+            graphics.fillRect(0, 0, source.getWidth(), source.getHeight());
+            graphics.setColor(Color.BLACK);
+            graphics.drawString("AIHR OCR fixture", 120, 160);
+        } finally {
+            graphics.dispose();
+        }
+        ByteArrayOutputStream encoded = new ByteArrayOutputStream();
+        ImageIO.write(source, "png", encoded);
+
+        AihrVisionImagePreprocessor.PreparedImage prepared =
+            AihrVisionImagePreprocessor.prepare(encoded.toByteArray());
+        BufferedImage decoded = ImageIO.read(new ByteArrayInputStream(prepared.bytes()));
+
+        assertEquals("image/jpeg", prepared.mimeType());
+        assertEquals(3200, prepared.originalWidth());
+        assertEquals(2400, prepared.originalHeight());
+        assertTrue(decoded.getWidth() <= AihrVisionImagePreprocessor.MAX_LONG_EDGE);
+        assertTrue(decoded.getHeight() <= AihrVisionImagePreprocessor.MAX_LONG_EDGE);
+        assertTrue((long) decoded.getWidth() * decoded.getHeight() <= AihrVisionImagePreprocessor.MAX_PIXELS);
+        assertTrue(prepared.bytes().length <= AihrVisionImagePreprocessor.MAX_ENCODED_BYTES);
+    }
+
+    @Test
+    void rejectsUnknownImagePayloadWithoutForwardingIt() {
+        assertThrows(org.dromara.common.core.exception.ServiceException.class,
+            () -> AihrVisionImagePreprocessor.prepare("not-an-image".getBytes()));
+    }
+}
@@ -199,6 +199,7 @@ CREATE TABLE IF NOT EXISTS `aihr_knowledge_upload_item` (
  `category` varchar(100) DEFAULT '' COMMENT '目标分类',
  `space_codes_json` json DEFAULT NULL COMMENT '目标知识空间编码数组',
  `staging_path` varchar(500) NOT NULL COMMENT '暂存文件路径',
+  `source_attach_id` bigint DEFAULT NULL COMMENT '从既有附件重新解析时的附件ID',
  `status` tinyint NOT NULL DEFAULT 0 COMMENT '0待处理 1处理中 2完成 3失败',
  `error` varchar(500) DEFAULT NULL COMMENT '失败原因',
  `doc_id` varchar(80) DEFAULT NULL COMMENT '入库文档ID',
@@ -207,7 +208,8 @@ CREATE TABLE IF NOT EXISTS `aihr_knowledge_upload_item` (
  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
  PRIMARY KEY (`id`),
  KEY `idx_aihr_upload_item_batch` (`tenant_id`, `batch_id`, `id`),
-  KEY `idx_aihr_upload_item_status` (`tenant_id`, `status`, `update_time`)
+  KEY `idx_aihr_upload_item_status` (`tenant_id`, `status`, `update_time`),
+  KEY `idx_aihr_upload_item_source` (`tenant_id`, `source_attach_id`, `id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='知识库批量上传队列';

 CREATE TABLE IF NOT EXISTS `aihr_knowledge_space_grant` (
@@ -0,0 +1,36 @@
+-- 资料处理媒体重试：记录从既有知识附件重新解析的来源，支持直接从 OSS 原件重新入队。
+-- 可重复执行；依赖 aihr_knowledge_upload_item。
+
+SET @has_source_attach_id := (
+  SELECT COUNT(*) FROM information_schema.columns
+  WHERE table_schema = DATABASE()
+    AND table_name = 'aihr_knowledge_upload_item'
+    AND column_name = 'source_attach_id'
+);
+SET @media_reprocess_ddl := IF(
+  @has_source_attach_id = 0,
+  'ALTER TABLE aihr_knowledge_upload_item ADD COLUMN source_attach_id bigint DEFAULT NULL COMMENT ''从既有附件重新解析时的附件ID'' AFTER staging_path',
+  'SELECT 1'
+);
+PREPARE media_reprocess_stmt FROM @media_reprocess_ddl;
+EXECUTE media_reprocess_stmt;
+DEALLOCATE PREPARE media_reprocess_stmt;
+
+SET @has_media_source_index := (
+  SELECT COUNT(*) FROM information_schema.statistics
+  WHERE table_schema = DATABASE()
+    AND table_name = 'aihr_knowledge_upload_item'
+    AND index_name = 'idx_aihr_upload_item_source'
+);
+SET @media_reprocess_ddl := IF(
+  @has_media_source_index = 0,
+  'ALTER TABLE aihr_knowledge_upload_item ADD KEY idx_aihr_upload_item_source (tenant_id, source_attach_id, id)',
+  'SELECT 1'
+);
+PREPARE media_reprocess_stmt FROM @media_reprocess_ddl;
+EXECUTE media_reprocess_stmt;
+DEALLOCATE PREPARE media_reprocess_stmt;
+
+SET @has_source_attach_id := NULL;
+SET @has_media_source_index := NULL;
+SET @media_reprocess_ddl := NULL;
@@ -23,7 +23,7 @@
 | 银城大喇叭 | 员工 `GET /api/aihr/broadcast/unread-count`、`GET /api/aihr/broadcast/messages?pageNum=&pageSize=`、`GET /api/aihr/broadcast/messages/{id}`、`POST /api/aihr/broadcast/messages/{id}/read`、`GET /api/aihr/broadcast/attachments/{id}/content`；员工详情可经统一 `POST /api/knowledge/query` 的 `broadcastMessageId` 发起文字追问；管理 `GET /api/aihr/broadcast/admin/messages`、`POST /api/aihr/broadcast/admin/attachments`、`GET /api/aihr/broadcast/admin/attachments/{id}`、`POST /api/aihr/broadcast/messages`、`POST /api/aihr/broadcast/messages/{id}/withdraw` | 发布支持全员或按部门/岗位/人员定向、必读、单个公司文件与异步提炼。文件支持 txt/md/PDF/Word/Excel/PPT，100MB 内；先受控写入 OSS，再异步解析并复用现有模型生成摘要，只有 `READY` 且未绑定、属于当前租户和上传人的文件才可随消息发布。文件提炼完成后异步生成生活顾问、保洁、保安、工程维修、财务、人力、运营、审计风控、管理层中有原文依据的岗位解读；员工详情附件返回 `insightStatus/defaultPerspectiveCode/perspectiveLabels/perspectives`，每项依据仅含原文段号与已校验的短引用，不返回提取全文或原始 OSS 地址。`defaultPerspectiveCode` 由服务端按当前 APP 手机号精确匹配在职岗位，客户端不能指定；所有有权限员工仍可查看并切换全部已生成视角。`PENDING/PARTIAL/FAILED` 均不阻断摘要、原文件下载、消息发布或追问。下载和追问每次重新校验当前 APP 在职身份、租户和消息状态，追问上下文由服务端拼接消息正文与提取文本，客户端仍只传 `broadcastMessageId`。定向目标在界面称“定向提醒”，用于必读与范围提示，不改变全租户公开频道的可见性。发布、阅读和撤回保持既有幂等与审计约束；管理接口只允许 `superadmin` 或 `hr_operator`。当前仍不包含消息修订、撤回后补推或短信/电话强触达。 |
 | 员工直通车 `/pages/user/direct/index`、管理端 `/content/direct` | 员工 `GET /api/aihr/direct/channels`、`POST /api/aihr/direct/feedback`、`GET /api/aihr/direct/mine`、`GET /api/aihr/direct/mine/{id}`；处理端 `GET /api/aihr/direct/admin/feedback`、`POST /api/aihr/direct/admin/feedback/{id}/reply` | 员工可选择总裁、财务、人力、审计、运营并点对点提交；反馈内容支持语音转文字输入（复用 `/api/ai/asr`；文字为主路径，录音不可用或权限失败仅提示改文字输入）。总裁/审计默认匿名；匿名仅表示业务处理界面不显示提交人，系统仍保存内部账号和姓名快照供本人查询、幂等与审计。`direct_president/direct_finance/direct_hr/direct_audit/direct_operations` 仅处理各自频道，`superadmin` 可处理全部；列表、详情和回复均由服务端按角色收窄。一个反馈只允许一次正式回复，员工可在“我的反馈”查看状态和回复；当前不扩展为工单 SLA、转派或多轮聊天。 |
 | 成果投稿（当前页面名“工作上报”）`/pages/user/report/index` | `POST /api/aihr/work-report/organize`、`POST /attachment`、`POST /reports`、`GET /reports/mine`；主管/运营另有列表和审核接口 | 只承载 CASE/VIDEO/SOP/KNOWLEDGE 四类投稿。会话式页面、无状态整理、附件、幂等正式提交和历史状态已部署；审核通过不自动入知识库。当前整理服务不读取图片/视频内容，只把附件名称作为不可信元数据；不得与日常工作记录或“今日工作成果”混用 |
-| 资料处理 `/knowledge/processing` | `GET /api/knowledge/processing/overview`、`POST /api/knowledge/doc/upload-async`、`GET /api/knowledge/doc/upload-items`、`POST /api/knowledge/doc/upload-items/{id}/retry` | 已接入解析任务状态聚合；页面只保留“批量导入”，接口暂存+入队即秒回，后台 worker（并发 2）逐条解析/归类/向量化；ZIP 在 worker 内安全解压后把支持的子文件继续入同一批次队列，页面按批次轮询进度、失败可单文件重试；不提供浏览器目录选择或服务端目录导入入口 |
+| 资料处理 `/knowledge/processing` | `GET /api/knowledge/processing/overview`、`POST /api/knowledge/doc/upload-async`、`GET /api/knowledge/doc/upload-items`、`POST /api/knowledge/doc/upload-items/{id}/retry`、`POST /api/knowledge/doc/processing-tasks/{attachmentId}/retry` | 已接入解析任务状态聚合；页面只保留“批量导入”，接口暂存+入队即秒回，后台 worker（并发 2）逐条解析/归类/向量化；ZIP 在 worker 内安全解压后把支持的子文件继续入同一批次队列，页面按批次轮询进度。零片段媒体不再记为完成或永久“等待解析”，而是保留为可重试失败；管理端可从原 OSS 文件重新入队，无需用户重复上传；不提供浏览器目录选择或服务端目录导入入口 |
 | 组织人员同步 | `POST /api/aihr/org/sync` | 从开放组织同步系统的 `/api/open/v1/sync/snapshot` 拉取 `company/department/employee/employee_project_assignment` 快照，分页参数使用 `limit`；员工手机号只落 `person_phone` 用于移动端身份映射，不在组织列表响应暴露；岗位识别 `position/job_title/post/job_name/role/title` 等字段。`dryRun` 必须显式传入 `true`（预检）或 `false`（写入），省略或传 `null` 直接拒绝；默认 `replaceExisting=true`，写入前必须先运行 `{"dryRun":true}`。dry-run 不访问本地快照表、不执行 DDL/写库，返回 `phoneLinked/maskedPhone/suspectText/warnings` 且 `syncedCount=0`。非 dry-run 写入（含 `replaceExisting=false`）遇到脱敏手机号一律默认拒绝，避免空值覆盖本地登录身份；覆盖写入遇到员工被跳过、手机号不完整、疑似乱码或同项目重复关系时同样默认拒绝；`allowPartialReplace=true` 只能在身份字段契约一致且异常逐项确认后使用，不能绕过主体身份漂移或重复成员关系，此时脱敏员工的本地既有有效手机号会被保留而非清空。相同员工可由多条有效项目分配展开为多个项目成员行，唯一约束为 `tenant_id + project_code + ext_party_id`。2026-07-25 生产安全状态：既有快照 3417 行、2938 人在职、3392 个手机号映射；姓名已按稳定 `employee_id` 定向补齐，未执行全量覆盖。当前上游返回 3424 名员工、3398 个脱敏手机号和 1 条重复项目成员关系，优先字段 `employee_number` 仅匹配既有主体 `7/3417`，稳定 `employee_id` 匹配 `3417/3417`；全量覆盖仍只允许 dry-run，日常岗位变化使用下方增量接口。 |
 | 组织人员增量同步 | `POST /api/aihr/org/sync-changes` | 主动拉取上游 `/sync/changes?resource_type=employee`，即使事件没有进入 outbox、`changed_fields` 为空，也会按 `resource_id` 回源 `/employees/{id}`，并结合任职快照只替换受影响员工。主体固定使用稳定 `employee.id`；上游只返回脱敏手机号时保留本地既有有效手机号，上游显式清空手机号时同步清除本地值（对应移动端登录身份失效），手机号字段整体缺失则拒绝写入；范围字段明确不一致视为迁出，写入时删除该员工本地旧记录，范围字段缺失则保守跳过不删。任职快照失败、资源 ID 不一致或项目关系重复时拒绝写入。首次调用必须传 `sinceTime`，后续可传响应的 `nextCursor`；仍须先 `dryRun=true` 再以相同起点执行 `dryRun=false`，且只处理当前租户有效组织绑定范围。 |
 | 移动端手机号登录 | `GET /resource/sms/code`、`POST /auth/mobile/sms-login` | 已复用 sms4j 阿里云配置 `config1` 和 RuoYi `sms` 授权策略；移动专用接口固定服务端默认租户，客户端不传也不能选择 `tenantId`；验证码按“默认租户 + 手机号”隔离。校验在手机号粒度的分布式锁内完成：仅匹配成功才消费，输错不会作废原验证码。移动端令牌只关联 `app_user`；若同一手机号存在任何后台/系统账号（即使同时存在 `app_user`），一律拒绝登录而不复用或并置身份；手机号完全不存在时才自动注册 `app_user`。`aihr.sms.dev-fixed-code` 非空时不真发短信、验证码固定（dev 默认 `123456`）。prod 默认关闭，试点期只有同时设置 `AIHR_SMS_DEV_FIXED_CODE` 与 `AIHR_SMS_PROD_FIXED_CODE_ENABLED=true` 才启用固定码。 |
@@ -115,7 +115,7 @@ SOP 文档上传第三片已经落最小后端边界：
 | 能力 | 后端接口 | 处理 |
 |---|---|---|
 | 文档上传解析 | `POST /api/knowledge/doc/upload` | `multipart/form-data`，字段 `file` 和 `category`；支持 `.txt/.md/.markdown/.pdf/.doc/.docx/.xls/.xlsx/.ppt/.pptx` 及图片 `.jpg/.jpeg/.png/.gif/.webp/.bmp`、100MB 内；先写 `sys_oss`，再绑定 `aihr_knowledge_attach.oss_id` 并切分写入 `aihr_knowledge_fragment`；管理端该接口 timeout 为 180s，避免 PDF 同步解析/归类/向量化接近默认 50s 时被客户端断开 |
-| 图片视觉 OCR | 同一上传/导入链路 | 上传图片时，若启用了 `aihr_model_config.category='vision'`（无则回退 `category='chat'`）的模型，会把图片编码为 base64 data URL 调用该供应商 OpenAI-compatible `/chat/completions` 提取文字，识别结果按普通正文切分写入 fragment；无可用视觉模型或 OCR 无结果时按「待处理」落库（attach status=0、0 片段），不算失败，启用视觉模型后重新上传同名文件即可解析。不依赖 Tesseract，识别质量由所配置视觉模型决定 |
+| 图片视觉 OCR | 同一上传/导入链路 | 上传图片时，若启用了 `aihr_model_config.category='vision'`（无则回退 `category='chat'`）的模型，服务端先读取图片元数据并通过源采样把长边限制到 2048、像素限制到约 419 万，再统一压缩为不超过 5MB 的 JPEG data URL 调用供应商 OpenAI-compatible `/chat/completions`。模型未配置、HTTP/网络/超时错误分别写入安全原因码；OCR 成功但无可用文字时 attach/queue 均记为可重试失败（status=3、0 片段），由管理端从原 OSS 重试，不再显示成永久“等待解析”。不依赖 Tesseract，识别质量由所配置视觉模型决定 |
 | 智能归类与标签 | 同一上传/导入链路 | `category=__auto__` 时，解析正文后优先调用已启用的 `aihr_model_config.category='chat'` 模型生成分类、摘要、标签和归类理由，温度固定为 `0`；无模型或调用失败时按文件名/正文关键词兜底。最终分类写入 `aihr_knowledge_info/attach`，摘要和标签写入 `sys_oss.ext1` |
 | 重复资料处理 | 同一上传/导入链路 | 上传时计算原始文件 `aihrFileSha256`、解析文本 `aihrTextSha256` 和 `md5` 写入 `sys_oss.ext1`；重复判断优先按文件 SHA-256，其次按文本 SHA-256，最后用同名同大小兼容旧数据。命中重复时复用原附件并迁移到最新分类，删除其他重复附件和旧 fragment |
 | 归类稳定性 | 同一上传/导入链路 | 命中重复资料时优先复用已有 `sys_oss.ext1` 里的分类、摘要和标签；只有旧资料没有存过模型结果时才重新分析，避免同文件因重复上传或更换模型导致标签漂移 |
@@ -129,8 +129,8 @@ SOP 文档上传第三片已经落最小后端边界：
 | 解析状态聚合 | `GET /api/knowledge/processing/overview` | 聚合 `aihr_knowledge_attach.status`、fragment 数、embedding 数、`sys_oss.ext1.fileSize`，生成资料处理页指标、分类、任务、链路和事件列表 |
 | 服务端目录导入（运维） | `POST /api/knowledge/doc/import-local` | JSON `{ directory, category, limit }`；`directory` 只能是 `AIHR_IMPORT_ROOT` / `aihr.import.root` 下的相对目录，默认根目录为 `./.data/import`；逐文件复用上传解析链路，同步执行，仅保留给运维/调试，不在资料处理页暴露 |
 | 服务端导入任务（运维） | `POST /api/knowledge/doc/import-local-task`、`GET /api/knowledge/doc/import-tasks`、`POST /api/knowledge/doc/import-tasks/{id}/cancel` | 启动后台目录导入并返回任务；任务写入 `aihr_knowledge_import_task`，调用方可查询总数、成功数、失败数、当前文件和进度，运行中任务可取消；仅保留给运维/调试，不在资料处理页暴露 |
-| 批量异步上传 | `POST /api/knowledge/doc/upload-async`（multipart `file`+`category`+`batchId`）、`GET /api/knowledge/doc/upload-items?batchId=`、`POST /api/knowledge/doc/upload-items/{id}/retry` | 上传只做暂存（`aihr.upload.staging`，默认 `./.data/staging`）+ 写入 `aihr_knowledge_upload_item`（0待处理/1处理中/2完成/3失败）即返回；视频和 ZIP 单文件 ≤500MB，其他文件 ≤100MB。生产 Spring/Undertow multipart 上限为单文件 500MB、请求 520MB，防止视频/ZIP 在入队前被拦截；worker 限制最多 1000 个 ZIP 子文件、解压总量 ≤2GB，拒绝嵌套 ZIP/不安全路径并忽略未知格式；ZIP 文件名优先按 UTF-8 解码，旧版中文 Windows ZIP 自动回退 GBK，仍无法解压时返回安全提示；同名子文件自动追加编号并以单条批量写入入队，避免目录扁平化覆盖和半批次入队；完成/失败状态 CAS 写入，卡住 30 分钟（视频 120 分钟）由清扫重置，失败暂存文件保留 72h 供重试；同步接口 `POST /api/knowledge/doc/upload` 不支持 ZIP，保留给 SOP 页单文件即时预览 |
-| 视频解析 | 走批量异步上传，支持 `.mp4/.mov/.avi/.mkv/.webm/.m4v`，单文件 ≤500MB、时长 ≤60 分钟 | 依赖服务器 ffmpeg/ffprobe；抽音轨按 5 分钟分段调 asr 模型转写（`[mm:ss]` 时间戳），按 30s 间隔（≤40 帧）抽关键帧调 vision 模型提取画面文字（相邻重复画面去重）；两类文本合并后走归类/切片/向量化；无 asr 且无 vision 结果时按「待处理」落库不报错；视频同时只加工 1 个 |
+| 批量异步上传 | `POST /api/knowledge/doc/upload-async`（multipart `file`+`category`+`batchId`）、`GET /api/knowledge/doc/upload-items?batchId=`、`POST /api/knowledge/doc/upload-items/{id}/retry`、`POST /api/knowledge/doc/processing-tasks/{attachmentId}/retry` | 上传只做暂存（`aihr.upload.staging`，默认 `./.data/staging`）+ 写入 `aihr_knowledge_upload_item`（0待处理/1处理中/2完成/3失败）即返回；`source_attach_id` 记录从原 OSS 重试的附件。视频和 ZIP 单文件 ≤500MB，其他文件 ≤100MB。生产 Spring/Undertow multipart 上限为单文件 500MB、请求 520MB；worker 限制最多 1000 个 ZIP 子文件、解压总量 ≤2GB，拒绝嵌套 ZIP/不安全路径并忽略未知格式；ZIP 文件名优先按 UTF-8 解码，旧版中文 Windows ZIP 自动回退 GBK；同名子文件自动追加编号并以单条批量写入入队；只有片段数大于 0 才记为完成并删除暂存文件，零片段或安全媒体错误保持失败态供重试；卡住 30 分钟（视频 120 分钟）由清扫重置，失败暂存文件保留 72h；同步接口 `POST /api/knowledge/doc/upload` 不支持 ZIP，保留给 SOP 页单文件即时预览 |
+| 视频解析 | 走批量异步上传，支持 `.mp4/.mov/.avi/.mkv/.webm/.m4v`，单文件 ≤500MB、时长 ≤60 分钟 | 依赖服务器 ffmpeg/ffprobe；抽音轨按 5 分钟分段调 asr 模型转写（`[mm:ss]` 时间戳），按 30s 间隔（≤40 帧）抽关键帧调 vision 模型提取画面文字（相邻重复画面去重）；两类文本合并后走归类/切片/向量化；无音轨、ASR 无文本且 vision 无结果时以 `MEDIA_NO_TEXT` 进入可重试失败态，不冒充仍在排队；视频同时只加工 1 个 |

 模型能力第二片已经落最小后端边界：

@@ -118,6 +118,7 @@ mysql --default-character-set=utf8mb4 "$DB_NAME" < backend/script/sql/update/aih
 mysql --default-character-set=utf8mb4 "$DB_NAME" < backend/script/sql/update/aihr_20260724_agent_orchestration_mysql8.sql
 mysql --default-character-set=utf8mb4 "$DB_NAME" < backend/script/sql/update/aihr_20260725_deepseek_v4_model_mysql8.sql
 mysql --default-character-set=utf8mb4 "$DB_NAME" < backend/script/sql/update/aihr_20260725_sop_answer_partial_evidence_prompt_mysql8.sql
+mysql --default-character-set=utf8mb4 "$DB_NAME" < backend/script/sql/update/aihr_20260729_media_reprocess_mysql8.sql
 mysql --default-character-set=utf8mb4 "$DB_NAME" < backend/script/sql/aihr_personal_knowledge_mysql8.sql
 ```

@@ -171,7 +172,7 @@ WHERE table_schema = DATABASE()
    OR (table_name = 'aihr_sop_answer_review' AND column_name IN ('prompt_version', 'requester_ext_party_id'))
    OR (table_name = 'aihr_knowledge_info' AND column_name IN ('code', 'space_type', 'sensitivity_level', 'status'))
    OR (table_name = 'aihr_knowledge_attach' AND column_name = 'category_id')
-    OR (table_name = 'aihr_knowledge_upload_item' AND column_name = 'space_codes_json')
+    OR (table_name = 'aihr_knowledge_upload_item' AND column_name IN ('space_codes_json', 'source_attach_id'))
    OR (table_name = 'aihr_org_snapshot' AND column_name = 'hire_date')
    OR (table_name = 'aihr_candidate_material' AND column_name IN ('reviewer', 'reviewed_time'))
    OR (table_name = 'aihr_interview_result' AND column_name IN ('questions_json', 'reviewed_score', 'review_status', 'reviewer', 'review_note', 'reviewed_time'))
@@ -190,6 +191,13 @@ WHERE table_schema = DATABASE()
  )
 ORDER BY table_name, column_name;

+SELECT index_name, GROUP_CONCAT(column_name ORDER BY seq_in_index) AS indexed_columns
+FROM information_schema.statistics
+WHERE table_schema = DATABASE()
+  AND table_name = 'aihr_knowledge_upload_item'
+  AND index_name = 'idx_aihr_upload_item_source'
+GROUP BY index_name;
+
 SELECT MIN(non_unique) AS non_unique,
       GROUP_CONCAT(column_name ORDER BY seq_in_index) AS indexed_columns,
       SUM(sub_part IS NOT NULL) AS prefix_columns
@@ -253,7 +261,7 @@ GROUP BY d.dimension_code
 ORDER BY d.dimension_code;
 ```

-本批完整发布要求 `release-preflight` 的 `64/64` 必需表与列契约均存在，新增项包括 `aihr_practice_help_event`、`aihr_direct_feedback`、`aihr_broadcast_attachment`、`aihr_broadcast_message.attachment_id` 和 `aihr_agent_run`。此前 `57/57`、`62/62` 都只代表较窄的历史发布清单。2026-07-25 生产只读预检已达到 `64/64`，后端 JAR/AIHR 模块与发布源一致，并确认公司文件附件契约 `15/15` 及多岗位解读队列索引存在；这只证明迁移与产物已发布，不替代 Agent、训练或试点业务验收。Agent 审计字段应为 `14/14`，且表中不得出现问题、答案或附件列。工作上报幂等字段为 `2/2`，大喇叭发布/撤回审计字段为 `3/3`，其发布幂等索引为 `0 | tenant_id,published_by,publish_request_key | 0`，M1 必读/目标载荷字段契约为 `2/2`，两张目标表字段契约为 `16/16`，定向规则与对象快照唯一约束分别为 `4/4`、`3/3`，公司文件附件字段和消息绑定字段契约为 `15/15`，并应存在 `(insight_status,status,update_time)` 解读队列索引；公司消息追问会话字段为 `1/1`，工作助手新增字段为 `8/8`，会话证据字段为 `8/8`，专项批量/内容快照字段为 `8/8`，候选资料审核字段为 `2/2`，面试复核字段为 `6/6`，字段查询覆盖所有列，内置 Prompt 数量为 `6`。私有资料配置只应返回 `ruoyi-personal`、私有策略和 `configured` 状态，不显示访问密钥。五个岗位各有 `20` 个场景，`daily/special` 各有 `100` 道题；其中 `14` 个未完成正式审核的高风险场景及其 `28` 道题保持禁用。岗位/SOP/任务/资格表及新记忆表为空是允许的；结构、索引和内置内容通过只证明 schema/seed 与发布产物一致，不证明员工直达反馈、文件提炼、多岗位解读、员工确认记忆、完整个人知识库或严格试点已经完成业务验收。
+本批完整发布要求 `release-preflight` 的 `64/64` 必需表与列契约均存在，新增项包括 `aihr_practice_help_event`、`aihr_direct_feedback`、`aihr_broadcast_attachment`、`aihr_broadcast_message.attachment_id` 和 `aihr_agent_run`；资料重试还必须通过 `remote_media_reprocess_contract=1/1`，即 `source_attach_id` 与 `(tenant_id, source_attach_id, id)` 索引同时存在。此前 `57/57`、`62/62` 都只代表较窄的历史发布清单。2026-07-25 生产只读预检已达到 `64/64`，后端 JAR/AIHR 模块与发布源一致，并确认公司文件附件契约 `15/15` 及多岗位解读队列索引存在；这只证明迁移与产物已发布，不替代 Agent、训练或试点业务验收。Agent 审计字段应为 `14/14`，且表中不得出现问题、答案或附件列。工作上报幂等字段为 `2/2`，大喇叭发布/撤回审计字段为 `3/3`，其发布幂等索引为 `0 | tenant_id,published_by,publish_request_key | 0`，M1 必读/目标载荷字段契约为 `2/2`，两张目标表字段契约为 `16/16`，定向规则与对象快照唯一约束分别为 `4/4`、`3/3`，公司文件附件字段和消息绑定字段契约为 `15/15`，并应存在 `(insight_status,status,update_time)` 解读队列索引；公司消息追问会话字段为 `1/1`，工作助手新增字段为 `8/8`，会话证据字段为 `8/8`，专项批量/内容快照字段为 `8/8`，候选资料审核字段为 `2/2`，面试复核字段为 `6/6`，字段查询覆盖所有列，内置 Prompt 数量为 `6`。私有资料配置只应返回 `ruoyi-personal`、私有策略和 `configured` 状态，不显示访问密钥。五个岗位各有 `20` 个场景，`daily/special` 各有 `100` 道题；其中 `14` 个未完成正式审核的高风险场景及其 `28` 道题保持禁用。岗位/SOP/任务/资格表及新记忆表为空是允许的；结构、索引和内置内容通过只证明 schema/seed 与发布产物一致，不证明员工直达反馈、文件提炼、多岗位解读、员工确认记忆、完整个人知识库或严格试点已经完成业务验收。

 ## 迁移后应用回归

@@ -75,6 +75,13 @@ export type ProcessingOverview = {
  rules: ProcessingRules;
 };

+export type ProcessingRetryResponse = {
+  itemId: number;
+  batchId: string;
+  fileName: string;
+  status: string;
+};
+
 export type LocalImportRequest = {
  directory: string;
  category: string;
@@ -113,6 +120,14 @@ export function getProcessingOverview(): Promise<ApiResult<ProcessingOverview>>
  });
 }

+export function retryProcessingTask(id: number): Promise<ApiResult<ProcessingRetryResponse>> {
+  return request({
+    url: `/api/knowledge/doc/processing-tasks/${id}/retry`,
+    method: 'post',
+    headers: { repeatSubmit: false }
+  });
+}
+
 export function importLocalKnowledgeDocs(data: LocalImportRequest): Promise<ApiResult<LocalImportResponse>> {
  return request({
    url: '/api/knowledge/doc/import-local',
@@ -0,0 +1,18 @@
+import { describe, expect, it } from 'vitest';
+import { readFileSync } from 'node:fs';
+import { resolve } from 'node:path';
+
+const read = (path: string) => readFileSync(resolve(process.cwd(), path), 'utf8');
+
+describe('资料处理媒体重试契约', () => {
+  it('把零文本媒体展示为待重试并从原文件重新入队', () => {
+    const api = read('src/api/aihr/processing.ts');
+    const page = read('src/views/knowledge/processing.vue');
+
+    expect(api).toContain('/api/knowledge/doc/processing-tasks/${id}/retry');
+    expect(page).toContain("const statusTabs = ['全部', '待重试', '解析中', '已完成', '失败']");
+    expect(page).toContain('canRetryProcessingTask(row)');
+    expect(page).toContain('await retryProcessingTask(task.id)');
+    expect(page).toContain('已从原文件重新排队');
+  });
+});
@@ -149,6 +149,20 @@
          </el-table-column>
          <el-table-column prop="summary" label="AI摘要" min-width="230" show-overflow-tooltip />
          <el-table-column prop="updatedAt" label="更新时间" width="138" />
+          <el-table-column label="操作" width="86" fixed="right">
+            <template #default="{ row }">
+              <el-button
+                v-if="canRetryProcessingTask(row)"
+                link
+                type="danger"
+                :loading="taskRetryingId === row.id"
+                @click="retryTask(row)"
+              >
+                重试
+              </el-button>
+              <span v-else>-</span>
+            </template>
+          </el-table-column>
        </el-table>

        <footer class="table-footer">
@@ -210,7 +224,7 @@
          </div>
          <div v-if="displayOverview.rules.failedTasks > 0" class="risk-tip">
            <el-icon><WarningFilled /></el-icon>
-            <span>失败任务 {{ displayOverview.rules.failedTasks }} 个，建议先重试网络/格式异常文件</span>
+            <span>需处理任务 {{ displayOverview.rules.failedTasks }} 个，可从原文件重试图片/视频解析</span>
          </div>
        </section>
      </aside>
@@ -260,7 +274,7 @@
 import { CircleCheck, Document, Files, Operation, Refresh, Search, Upload, WarningFilled } from '@element-plus/icons-vue';
 import { ElMessage, ElMessageBox } from 'element-plus';
 import { computed, onMounted, onUnmounted, ref } from 'vue';
-import { getProcessingOverview, type ProcessingOverview, type ProcessingTask } from '@/api/aihr/processing';
+import { getProcessingOverview, retryProcessingTask, type ProcessingOverview, type ProcessingTask } from '@/api/aihr/processing';
 import { uploadKnowledgeDocAsync, listUploadItems, retryUploadItem, type UploadItem } from '@/api/aihr/sop';
 import { listKnowledgeSpaces, type KnowledgeSpace } from '@/api/aihr/space';
 import { listPersonalPublishRequests, reviewPersonalPublishRequest, type PersonalPublishRequestRow } from '@/api/aihr/personal';
@@ -294,9 +308,10 @@ const uploadBatch = ref<UploadItem[]>([]);
 const uploadBatchId = ref('');
 const enqueueFailures = ref<string[]>([]);
 const retryingId = ref<number | null>(null);
+const taskRetryingId = ref<number | null>(null);
 let batchPollTimer: number | undefined;

-const statusTabs = ['全部', '等待解析', '解析中', '已完成', '失败'];
+const statusTabs = ['全部', '待重试', '解析中', '已完成', '失败'];
 const fileTypes = ['全部', 'Word', 'PDF', 'PPT', 'Excel', '图片', '视频'];

 const seedOverview: ProcessingOverview = {
@@ -304,7 +319,7 @@ const seedOverview: ProcessingOverview = {
    { key: 'total', label: '资料总量', value: '3.2 GB', note: '已接入 1,286 个文件', type: 'danger' },
    { key: 'completed', label: '已完成', value: '1,148', note: '较昨日 ↑128 (12.6%)', type: 'success' },
    { key: 'processing', label: '处理中', value: '36', note: '进行中任务', type: 'primary' },
-    { key: 'failed', label: '失败', value: '7', note: '较昨日 ↑2 (22.2%)', type: 'warning' }
+    { key: 'failed', label: '需处理', value: '7', note: '可从任务列表重试', type: 'warning' }
  ],
  categories: [
    { name: '住宅 SOP', files: 368, size: '2.1 GB', icon: 'folder', type: 'danger' },
@@ -331,7 +346,7 @@ const seedOverview: ProcessingOverview = {
      ''
    ),
    task(2, '住宅 SOP', '物业收费催缴流程.pdf', 'PDF', '8.1MB', '解析中', 'primary', 62, 0, '待向量化', 'warning', '2026-07-02 14:28', '查看', ''),
-    task(3, '培训课件', '巡检标准培训课件.pptx', 'PPT', '42MB', '等待解析', 'warning', 0, 0, '待处理', 'warning', '2026-07-02 14:25', '开始', ''),
+    task(3, '培训课件', '巡检标准培训课件.pptx', 'PPT', '42MB', '待重试', 'warning', 0, 0, '失败原因', 'danger', '2026-07-02 14:25', '重试', ''),
    task(4, '图片素材', '工单照片归档.zip', '图片', '286MB', 'OCR排队', 'primary', 0, 0, '待处理', 'warning', '2026-07-02 14:20', '查看', ''),
    task(
      5,
@@ -401,7 +416,7 @@ const emptyOverview: ProcessingOverview = {
    { key: 'total', label: '资料总量', value: '0', note: '暂无导入文件', type: 'danger' },
    { key: 'completed', label: '已完成', value: '0', note: '等待真实上传', type: 'success' },
    { key: 'processing', label: '处理中', value: '0', note: '暂无任务', type: 'primary' },
-    { key: 'failed', label: '失败', value: '0', note: '暂无失败', type: 'warning' }
+    { key: 'failed', label: '需处理', value: '0', note: '暂无异常', type: 'warning' }
  ],
  categories: [],
  tasks: [],
@@ -605,6 +620,23 @@ async function retryBatchItem(item: UploadItem) {
  }
 }

+function canRetryProcessingTask(task: ProcessingTask) {
+  return task.action === '重试' && ['图片', '视频'].includes(task.fileType);
+}
+
+async function retryTask(task: ProcessingTask) {
+  taskRetryingId.value = task.id;
+  try {
+    await retryProcessingTask(task.id);
+    ElMessage.success(`已从原文件重新排队：${task.fileName}`);
+    await loadOverview();
+  } catch (error) {
+    ElMessage.error(uploadFailureMessage(error));
+  } finally {
+    taskRetryingId.value = null;
+  }
+}
+
 const batchCounts = computed(() => ({
  queued: uploadBatch.value.filter((item) => item.status === 0).length,
  processing: uploadBatch.value.filter((item) => item.status === 1).length,
@@ -635,7 +667,7 @@ function uploadFailureMessage(error: unknown) {

 function matchStatus(status: string) {
  if (activeStatus.value === '全部') return true;
-  if (activeStatus.value === '等待解析') return ['等待解析', 'OCR排队'].includes(status);
+  if (activeStatus.value === '待重试') return ['待重试', '等待解析', 'OCR排队'].includes(status);
  return status === activeStatus.value;
 }

@@ -766,7 +766,36 @@ REMOTE

  [[ -z "$missing_work_assistant_columns" ]] \
    || fail "remote work-assistant schema missing required columns: $(printf '%s' "$missing_work_assistant_columns" | tr '\n' ', ' | sed 's/, $//')"
+
+  local media_reprocess_contract
+  media_reprocess_contract="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
+set -euo pipefail
+db="$1"
+mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
+SELECT CONCAT(
+  COALESCE((
+    SELECT column_name
+      FROM information_schema.columns
+     WHERE table_schema = DATABASE()
+       AND table_name = 'aihr_knowledge_upload_item'
+       AND column_name = 'source_attach_id'
+  ), 'missing'), '|',
+  COALESCE((
+    SELECT GROUP_CONCAT(column_name ORDER BY seq_in_index)
+      FROM information_schema.statistics
+     WHERE table_schema = DATABASE()
+       AND table_name = 'aihr_knowledge_upload_item'
+       AND index_name = 'idx_aihr_upload_item_source'
+  ), 'missing')
+);
+SQL
+REMOTE
+  )" || fail "remote media-reprocess schema check failed: $remote_ssh:$remote_db"
+
+  [[ "$media_reprocess_contract" = "source_attach_id|tenant_id,source_attach_id,id" ]] \
+    || fail "remote media-reprocess schema is invalid: got ${media_reprocess_contract:-missing}"
  echo "remote_schema=64/64 $remote_ssh:$remote_db"
+  echo "remote_media_reprocess_contract=1/1 $remote_ssh:$remote_db"
  echo "remote_work_report_idempotency=3/3 $remote_ssh:$remote_db"
  echo "remote_practice_curriculum_columns=13/13 $remote_ssh:$remote_db"
  echo "remote_knowledge_category_columns=7/7 $remote_ssh:$remote_db"
@@ -20,6 +20,7 @@ docker exec -i wygj-mysql mysql -uroot -proot --default-character-set=utf8mb4 ry
 docker exec -i wygj-mysql mysql -uroot -proot --default-character-set=utf8mb4 ry-vue < "$ROOT_DIR/backend/script/sql/ry_job.sql"
 docker exec -i wygj-mysql mysql -uroot -proot --default-character-set=utf8mb4 ry-vue < "$ROOT_DIR/backend/script/sql/ry_workflow.sql"
 docker exec -i wygj-mysql mysql -uroot -proot --default-character-set=utf8mb4 ry-vue < "$ROOT_DIR/backend/script/sql/aihr_knowledge_mysql8.sql"
+docker exec -i wygj-mysql mysql -uroot -proot --default-character-set=utf8mb4 ry-vue < "$ROOT_DIR/backend/script/sql/update/aihr_20260729_media_reprocess_mysql8.sql"
 docker exec -i wygj-mysql mysql -uroot -proot --default-character-set=utf8mb4 ry-vue < "$ROOT_DIR/backend/script/sql/aihr_personal_knowledge_mysql8.sql"
 docker exec -i wygj-mysql mysql -uroot -proot --default-character-set=utf8mb4 ry-vue < "$ROOT_DIR/backend/script/sql/aihr_model_mysql8.sql"
 docker exec -i wygj-mysql mysql -uroot -proot --default-character-set=utf8mb4 ry-vue < "$ROOT_DIR/backend/script/sql/update/aihr_20260725_deepseek_v4_model_mysql8.sql"
@@ -54,6 +54,23 @@ trap cleanup EXIT

 mysql -e "CREATE DATABASE \`$DB\` CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci;"

+mysql "$DB" <<'SQL'
+CREATE TABLE aihr_knowledge_upload_item (
+  id bigint NOT NULL AUTO_INCREMENT,
+  tenant_id varchar(20) DEFAULT '000000',
+  staging_path varchar(500) NOT NULL,
+  PRIMARY KEY (id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
+SQL
+media_reprocess_migration="$ROOT_DIR/backend/script/sql/update/aihr_20260729_media_reprocess_mysql8.sql"
+mysql "$DB" < "$media_reprocess_migration"
+mysql "$DB" < "$media_reprocess_migration"
+media_retry_column="$(mysql "$DB" -N -B -e "SELECT COUNT(*) FROM information_schema.columns WHERE table_schema='$DB' AND table_name='aihr_knowledge_upload_item' AND column_name='source_attach_id';")"
+test "$media_retry_column" = '1'
+media_retry_index="$(mysql "$DB" -N -B -e "SELECT GROUP_CONCAT(column_name ORDER BY seq_in_index) FROM information_schema.statistics WHERE table_schema='$DB' AND table_name='aihr_knowledge_upload_item' AND index_name='idx_aihr_upload_item_source';")"
+test "$media_retry_index" = 'tenant_id,source_attach_id,id'
+mysql "$DB" -e "DROP TABLE aihr_knowledge_upload_item;"
+
 web_ai_base_migration="$ROOT_DIR/$WEB_AI_BASE_MIGRATION"
 web_ai_secret_migration="$ROOT_DIR/$WEB_AI_SECRET_MIGRATION"
 web_search_qwen_migration="$ROOT_DIR/$WEB_SEARCH_QWEN_MIGRATION"
@@ -42,6 +42,8 @@ grep -Fq 'verify-aug1-release-readiness.sh" --execute' "$SCRIPT"
 grep -Fq 'backend_jar="${RELEASE_LOCAL_BACKEND_PATH:-backend/ruoyi-admin/target/ruoyi-admin.jar}"' "$SCRIPT"
 grep -Fq 'artifact_commit="${RELEASE_ARTIFACT_COMMIT:-HEAD}"' "$SCRIPT"
 grep -Fq 'git merge-base --is-ancestor "$artifact_commit_sha" HEAD' "$SCRIPT"
+grep -Fq 'remote_media_reprocess_contract=1/1' "$SCRIPT"
+grep -Fq "source_attach_id|tenant_id,source_attach_id,id" "$SCRIPT"
 grep -Fq 'RELEASE_VERIFY_REMOTE_BACKEND=true RELEASE_VERIFY_REMOTE_SCHEMA=true ./scripts/release-preflight.sh' "$DEV_SETUP"
 grep -Fq 'RELEASE_VERIFY_AUG1_READINESS=true ./scripts/release-preflight.sh' "$DEV_SETUP"
 grep -Fq 'RELEASE_VERIFY_REMOTE_MATCH=true RELEASE_VERIFY_REMOTE_BACKEND=true RELEASE_VERIFY_REMOTE_SCHEMA=true RELEASE_VERIFY_AUG1_READINESS=true ./scripts/release-preflight.sh' "$DEV_SETUP"