feat: report STRM tree batch progress

internal/service/strm_generate.go

@@ -25,15 +25,18 @@ type GenerateSTRMOptions struct {
 }
 
 type GenerateSTRMResult struct {
-	LibraryID string             `json:"library_id"`
-	OutputDir string             `json:"output_dir"`
-	Generated int                `json:"generated"`
-	Updated   int                `json:"updated"`
-	Skipped   int                `json:"skipped"`
-	Cleaned   int                `json:"cleaned"`
-	Previewed int                `json:"previewed,omitempty"`
-	Errors    []string           `json:"errors,omitempty"`
-	Items     []GenerateSTRMItem `json:"items,omitempty"`
+	LibraryID    string             `json:"library_id"`
+	OutputDir    string             `json:"output_dir"`
+	Generated    int                `json:"generated"`
+	Updated      int                `json:"updated"`
+	Skipped      int                `json:"skipped"`
+	Cleaned      int                `json:"cleaned"`
+	Total        int                `json:"total,omitempty"`
+	Remaining    int                `json:"remaining,omitempty"`
+	BatchLimited bool               `json:"batch_limited,omitempty"`
+	Previewed    int                `json:"previewed,omitempty"`
+	Errors       []string           `json:"errors,omitempty"`
+	Items        []GenerateSTRMItem `json:"items,omitempty"`
 }
 
 type GenerateSTRMItem struct {

internal/service/strm_tree_import.go

@@ -44,8 +44,10 @@ func (s *STRMService) GenerateFromTree(ctx context.Context, opts GenerateSTRMTre
 		}
 	}
 	result := &GenerateSTRMResult{LibraryID: provider, OutputDir: outputDir}
+	sources := collectSTRMTreeSources(opts)
+	result.Total = len(sources)
 	expectedFiles := make(map[string]struct{})
-	for _, source := range collectSTRMTreeSources(opts) {
+	for i, source := range sources {
 		select {
 		case <-ctx.Done():
 			return result, ctx.Err()
@@ -57,6 +59,8 @@ func (s *STRMService) GenerateFromTree(ctx context.Context, opts GenerateSTRMTre
 		}
 		result.addItem(item)
 		if strmTreeBatchLimitReached(result, opts.BatchLimit) {
+			result.Remaining = len(sources) - i - 1
+			result.BatchLimited = result.Remaining > 0
 			break
 		}
 	}

internal/service/strm_tree_import_test.go

@@ -155,6 +155,9 @@ func TestGenerateSTRMFromTreeBatchLimitContinuesAfterExistingFiles(t *testing.T)
 	if first.Generated != 2 || first.Skipped != 0 {
 		t.Fatalf("first batch = %#v, want two generated", first)
 	}
+	if first.Total != 3 || first.Remaining != 1 || !first.BatchLimited {
+		t.Fatalf("first batch progress = total %d remaining %d limited %v, want 3/1/true", first.Total, first.Remaining, first.BatchLimited)
+	}
 	if _, err := os.Stat(filepath.Join(outDir, "Movies", "C.strm")); !os.IsNotExist(err) {
 		t.Fatalf("first batch should not write third item, stat err=%v", err)
 	}
@@ -166,6 +169,9 @@ func TestGenerateSTRMFromTreeBatchLimitContinuesAfterExistingFiles(t *testing.T)
 	if second.Generated != 1 || second.Skipped != 2 {
 		t.Fatalf("second batch = %#v, want two existing skips then next generated", second)
 	}
+	if second.Total != 3 || second.Remaining != 0 || second.BatchLimited {
+		t.Fatalf("second batch progress = total %d remaining %d limited %v, want 3/0/false", second.Total, second.Remaining, second.BatchLimited)
+	}
 	if got := readSTRM(t, filepath.Join(outDir, "Movies", "C.strm")); !strings.Contains(got, "C.mkv") {
 		t.Fatalf("second batch C.strm = %q, want generated third item", got)
 	}

web/src/api/strm.ts

@@ -17,6 +17,9 @@ export type GenerateSTRMResult = {
   updated: number
   skipped: number
   cleaned: number
+  total?: number
+  remaining?: number
+  batch_limited?: boolean
   previewed?: number
   errors?: string[]
   items?: Array<{

web/src/pages/StrmGenerateSectionParts.tsx

@@ -272,8 +272,12 @@ export function StrmGenerateResultPanel({ result }: { result: GenerateSTRMResult
       </div>
       <div className="mt-1">
         {result.previewed ? `预检 ${result.previewed} · ` : ''}
+        {result.total ? `共 ${result.total} · ` : ''}
         新增 {result.generated} · 更新 {result.updated} · 跳过 {result.skipped} · 清理 {result.cleaned || 0}
       </div>
+      {result.batch_limited && (
+        <div className="mt-1 text-amber-600">本批已达到上限，剩余 {result.remaining || 0} 个可继续运行。</div>
+      )}
       {result.errors && result.errors.length > 0 && (
         <div className="mt-2 text-red-500">
           失败 {result.errors.length} 条：{result.errors.slice(0, 3).join('；')}