feat: 项目详情显示修补镜头 + 产出时长必填验证

- 项目详情中期模块显示修补镜头（后期秒数，归入制作产出计算）
- 产出时长改为必填项（非前期内容必须 > 0）
- 前端+后端双重验证，防止提交0秒产出
- 删除"无产出秒数的工作可填 0"过时提示

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

backend/routers/projects.py

@@ -7,7 +7,7 @@ from datetime import datetime
 from database import get_db
 from models import (
     User, Project, Submission, ProjectType,
-    ProjectStatus, PhaseGroup, WorkType,
+    ProjectStatus, PhaseGroup, WorkType, ContentType,
     ProjectMilestone, DEFAULT_MILESTONES
 )
 from schemas import (
@@ -59,6 +59,13 @@ def enrich_project(p: Project, db: Session) -> ProjectOut:
         Submission.project_phase == PhaseGroup.PRODUCTION,
     ).scalar() or 0
 
+    # 修补镜头（后期秒数，归入制作目标对比）
+    shot_repair_secs = db.query(sa_func.sum(Submission.total_seconds)).filter(
+        Submission.project_id == p.id,
+        Submission.content_type == ContentType.SHOT_REPAIR,
+        Submission.total_seconds > 0,
+    ).scalar() or 0
+
     # 后期产出：按内容类型分组
     post_rows = db.query(
         Submission.content_type,
@@ -107,6 +114,7 @@ def enrich_project(p: Project, db: Session) -> ProjectOut:
         "production": {
             "progress_percent": progress,
             "submitted_seconds": round(animation_secs, 1),
+            "shot_repair_seconds": round(shot_repair_secs, 1),
             "target_seconds": target,
             "waste": waste_data.get("production_waste", {}),
         },

backend/routers/submissions.py

@@ -88,6 +88,14 @@ def create_submission(
     if req.hours_spent is None or req.hours_spent <= 0:
         raise HTTPException(status_code=422, detail="请填写投入时长")
 
+    # 产出时长校验：前期内容不需要，中期/后期内容必须 > 0
+    PRE_PHASE_TYPES = {'策划案', '大纲/梗概', '概念设计图', '测试片', '剧本', '分镜', '人设图', '场景图', '道具图'}
+    content_val = req.content_type.value if hasattr(req.content_type, 'value') else req.content_type
+    if content_val not in PRE_PHASE_TYPES:
+        total_secs = (req.duration_minutes or 0) * 60 + (req.duration_seconds or 0)
+        if total_secs <= 0:
+            raise HTTPException(status_code=422, detail="请填写产出时长")
+
     # 确定集数列表
     from models import PROJECT_LEVEL_TYPES
     content_val = req.content_type.value if hasattr(req.content_type, 'value') else req.content_type
@@ -211,6 +219,12 @@ def update_submission(
     # 重算总秒数
     sub.total_seconds = (sub.duration_minutes or 0) * 60 + (sub.duration_seconds or 0)
 
+    # 产出时长校验：前期内容不需要，中期/后期内容必须 > 0
+    PRE_PHASE_TYPES = {'策划案', '大纲/梗概', '概念设计图', '测试片', '剧本', '分镜', '人设图', '场景图', '道具图'}
+    content_val = sub.content_type.value if hasattr(sub.content_type, 'value') else sub.content_type
+    if content_val not in PRE_PHASE_TYPES and sub.total_seconds <= 0:
+        raise HTTPException(status_code=422, detail="请填写产出时长")
+
     # 保存新数据
     new_data = {
         "project_phase": sub.project_phase.value if hasattr(sub.project_phase, 'value') else sub.project_phase,

frontend/src/views/ProjectDetail.vue

@@ -167,6 +167,10 @@
                     <span class="prod-info-label">目标</span>
                     <span class="prod-info-value">{{ formatSecs(project.target_total_seconds) }}</span>
                   </div>
+                  <div class="prod-info-row" v-if="shotRepairSeconds > 0">
+                    <span class="prod-info-label">修补镜头</span>
+                    <span class="prod-info-value" :style="{color: '#34C759'}">{{ formatSecs(shotRepairSeconds) }}</span>
+                  </div>
                   <div class="prod-info-row">
                     <span class="prod-info-label">测试损耗</span>
                     <span class="prod-info-value" :style="{color: prodWaste.test_waste_seconds > 0 ? '#FF9500' : 'inherit'}">{{ formatSecs(prodWaste.test_waste_seconds) }}</span>
@@ -605,6 +609,7 @@ const postMilestones = computed(() => (project.value.milestones || []).filter(m
 const preWasteHours = computed(() => project.value.phase_summary?.pre?.waste_hours || 0)
 const postWasteHours = computed(() => project.value.phase_summary?.post?.waste?.days_waste_hours || 0)
 const prodWaste = computed(() => project.value.phase_summary?.production?.waste || {})
+const shotRepairSeconds = computed(() => project.value.phase_summary?.production?.shot_repair_seconds || 0)
 const newMilestone = reactive({ pre: '', post: '' })
 
 // ── 里程碑编辑 ──

frontend/src/views/Submissions.vue

@@ -105,13 +105,12 @@
             已选 {{ form.episode_numbers.length }} 集，投入时长将平均分配到每集
           </div>
         </el-form-item>
-        <el-form-item label="产出时长" v-if="showDuration(form.content_type)">
+        <el-form-item label="产出时长" v-if="showDuration(form.content_type)" required>
           <div class="inline-field">
             <el-input-number v-model="form.duration_minutes" :min="0" :step="1" style="width:120px" />
             <span class="field-unit">分</span>
             <el-input-number v-model="form.duration_seconds" :min="0" :max="59" :step="5" style="width:120px" />
             <span class="field-unit">秒</span>
-            <span class="field-hint">无产出秒数的工作可填 0</span>
           </div>
         </el-form-item>
         <el-form-item label="投入时长" required>
@@ -190,7 +189,7 @@
             <el-option :key="0" label="全集通用" :value="0" />
           </el-select>
         </el-form-item>
-        <el-form-item label="产出时长" v-if="showDuration(editForm.content_type)">
+        <el-form-item label="产出时长" v-if="showDuration(editForm.content_type)" required>
           <div class="inline-field">
             <el-input-number v-model="editForm.duration_minutes" :min="0" :step="1" style="width:120px" />
             <span class="field-unit">分</span>
@@ -434,6 +433,10 @@ async function handleCreate() {
   if (!form.project_id) { ElMessage.warning('请选择项目'); return }
   if (needsEpisode(form.content_type) && form.episode_numbers.length === 0) { ElMessage.warning('请选择集数'); return }
   if (!form.description?.trim()) { ElMessage.warning('请填写描述'); return }
+  if (showDuration(form.content_type)) {
+    const totalSecs = (form.duration_minutes || 0) * 60 + (form.duration_seconds || 0)
+    if (totalSecs <= 0) { ElMessage.warning('请填写产出时长'); return }
+  }
   if (!form.hours_spent || form.hours_spent <= 0) { ElMessage.warning('请填写投入时长'); return }
   if (isMilestoneOverdue.value && !form.delay_reason?.trim()) {
     ElMessage.warning('该里程碑已超期，请填写延期原因')
@@ -491,6 +494,10 @@ async function handleUpdate() {
     ElMessage.warning('请填写修改原因')
     return
   }
+  if (showDuration(editForm.content_type)) {
+    const totalSecs = (editForm.duration_minutes || 0) * 60 + (editForm.duration_seconds || 0)
+    if (totalSecs <= 0) { ElMessage.warning('请填写产出时长'); return }
+  }
   editing.value = true
   try {
     const { _id, _project_name, _project_id, ...payload } = editForm