chore: bump version to 0.0.106 [skip ci]

Soft-delete restore/purge/list and the recycle_purge job are gone.
Admin delete now removes library index rows, with an optional
delete_files query that also deletes local media + sidecar NFO.
UI copy is renamed from 移入回收站 to 删除, with a confirm checkbox.

Co-authored-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: truewhile <truewhile@users.noreply.github.com>

README.md

@@ -51,7 +51,7 @@
 | **网盘与 STRM** | OpenList、CloudDrive2、115、WebDAV 等；STRM 同步、上传/下载队列、直链/302 播放 |
 | **下载与整理** | qBittorrent 接入、站点搜索与订阅、下载后自动整理、文件管理器（复制/移动/硬链/软链） |
 | **用户与权限** | 管理员/普通用户、有效期、成人内容开关、播放配置 PIN、细粒度操作权限 |
-| **运维能力** | 统一任务队列、回收站、存储统计、DLNA 投屏、系统设置与日志 |
+| **运维能力** | 统一任务队列、存储统计、DLNA 投屏、系统设置与日志 |
 
 ### 技术栈
 

README_EN.md

@@ -50,7 +50,7 @@ In practice, MeBox gives you:
 | **Cloud & STRM** | OpenList, CloudDrive2, 115, WebDAV; STRM sync; upload/download queues; direct or 302 playback |
 | **Downloads & organize** | qBittorrent, site search/subscriptions, post-download organization, file manager |
 | **Users & permissions** | Admin/regular users, expiry, NSFW toggle, play-profile PIN, granular permissions |
-| **Operations** | Unified task queue, recycle bin, storage stats, DLNA casting, settings and logs |
+| **Operations** | Unified task queue, storage stats, DLNA casting, settings and logs |
 
 ### Tech stack
 

VERSION

@@ -1 +1 @@
-0.0.95
+0.0.106

cmd/server/main.go

@@ -23,6 +23,7 @@ import (
 
 	"github.com/truewhile/MeBox/internal/config"
 	"github.com/truewhile/MeBox/internal/database"
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/repository"
 	"github.com/truewhile/MeBox/internal/service"
 )
@@ -121,7 +122,7 @@ func main() {
 			)
 		}
 	}()
-	go services.Boot()
+	helper.Go(logger, "services.boot", services.Boot)
 
 	// Graceful shutdown.
 	stop := make(chan os.Signal, 1)

cmd/server/router.go

@@ -53,6 +53,7 @@ func buildRouter(cfg *config.Config, logger *zap.Logger, svc *service.Container)
 // comes from root, which is either the compiled-in SPA or an on-disk web dir.
 func serveSPA(r *gin.Engine, root fs.FS) {
 	assets := r.Group("/assets")
+	assets.Use(middleware.GzipStatic())
 	assets.Use(func(c *gin.Context) {
 		c.Header("Cache-Control", "public, max-age=31536000, immutable")
 		c.Next()
@@ -69,7 +70,7 @@ func serveSPA(r *gin.Engine, root fs.FS) {
 		r.GET(rootFile, serveFSFile(root, name))
 		r.HEAD(rootFile, serveFSFile(root, name))
 	}
-	r.NoRoute(func(c *gin.Context) {
+	r.NoRoute(middleware.GzipStatic(), func(c *gin.Context) {
 		path := c.Request.URL.Path
 		if shouldBypassSPAFallback(path) {
 			c.Status(http.StatusNotFound)

go.mod

@@ -5,7 +5,8 @@ go 1.25.0
 require (
 	github.com/aliyun/alibabacloud-oss-go-sdk-v2 v1.5.2
 	github.com/fsnotify/fsnotify v1.7.0
-	github.com/gin-gonic/gin v1.9.1
+	github.com/gin-contrib/gzip v1.2.6
+	github.com/gin-gonic/gin v1.12.0
 	github.com/glebarez/sqlite v1.11.0
 	github.com/golang-jwt/jwt/v5 v5.2.0
 	github.com/google/uuid v1.6.0
@@ -13,11 +14,11 @@ require (
 	github.com/redis/go-redis/v9 v9.7.0
 	github.com/shirou/gopsutil/v3 v3.24.5
 	github.com/spf13/viper v1.18.2
-	github.com/stretchr/testify v1.9.0
+	github.com/stretchr/testify v1.11.1
 	github.com/ulikunitz/xz v0.5.12
 	go.uber.org/zap v1.27.0
-	golang.org/x/crypto v0.21.0
-	golang.org/x/sys v0.20.0
+	golang.org/x/crypto v0.48.0
+	golang.org/x/sys v0.41.0
 	golang.org/x/time v0.15.0
 	gopkg.in/yaml.v3 v3.0.1
 	gorm.io/driver/postgres v1.5.7
@@ -25,20 +26,23 @@ require (
 )
 
 require (
-	github.com/bytedance/sonic v1.9.1 // indirect
+	github.com/bytedance/gopkg v0.1.3 // indirect
+	github.com/bytedance/sonic v1.15.0 // indirect
+	github.com/bytedance/sonic/loader v0.5.0 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
-	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
+	github.com/cloudwego/base64x v0.1.6 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.2 // indirect
-	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.12 // indirect
+	github.com/gin-contrib/sse v1.1.0 // indirect
 	github.com/glebarez/go-sqlite v1.21.2 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.14.0 // indirect
-	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/go-playground/validator/v10 v10.30.1 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
+	github.com/goccy/go-yaml v1.19.2 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect
@@ -46,17 +50,19 @@ require (
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
-	github.com/leodido/go-urn v1.2.4 // indirect
+	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
-	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
+	github.com/quic-go/qpack v0.6.0 // indirect
+	github.com/quic-go/quic-go v0.59.0 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/sagikazarmark/locafero v0.4.0 // indirect
 	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
@@ -69,14 +75,15 @@ require (
 	github.com/tklauser/go-sysconf v0.3.12 // indirect
 	github.com/tklauser/numcpus v0.6.1 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
-	github.com/ugorji/go/codec v1.2.11 // indirect
+	github.com/ugorji/go/codec v1.3.1 // indirect
 	github.com/yusufpapurcu/wmi v1.2.4 // indirect
+	go.mongodb.org/mongo-driver/v2 v2.5.0 // indirect
 	go.uber.org/multierr v1.10.0 // indirect
-	golang.org/x/arch v0.3.0 // indirect
+	golang.org/x/arch v0.22.0 // indirect
 	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
-	golang.org/x/net v0.21.0 // indirect
-	golang.org/x/text v0.20.0 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
+	golang.org/x/net v0.51.0 // indirect
+	golang.org/x/text v0.35.0 // indirect
+	google.golang.org/protobuf v1.36.10 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	modernc.org/libc v1.22.5 // indirect
 	modernc.org/mathutil v1.5.0 // indirect

go.sum

@@ -4,14 +4,16 @@ github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
 github.com/bsm/ginkgo/v2 v2.12.0/go.mod h1:SwYbGRRDovPVboqFv0tPTcG1sN61LM1Z4ARdbAV9g4c=
 github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA=
 github.com/bsm/gomega v1.27.10/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0=
-github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
-github.com/bytedance/sonic v1.9.1 h1:6iJ6NqdoxCDr6mbY8h18oSO+cShGSMRGCEo7F2h0x8s=
-github.com/bytedance/sonic v1.9.1/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
+github.com/bytedance/gopkg v0.1.3 h1:TPBSwH8RsouGCBcMBktLt1AymVo2TVsBVCY4b6TnZ/M=
+github.com/bytedance/gopkg v0.1.3/go.mod h1:576VvJ+eJgyCzdjS+c4+77QF3p7ubbtiKARP3TxducM=
+github.com/bytedance/sonic v1.15.0 h1:/PXeWFaR5ElNcVE84U0dOHjiMHQOwNIx3K4ymzh/uSE=
+github.com/bytedance/sonic v1.15.0/go.mod h1:tFkWrPz0/CUCLEF4ri4UkHekCIcdnkqXw9VduqpJh0k=
+github.com/bytedance/sonic/loader v0.5.0 h1:gXH3KVnatgY7loH5/TkeVyXPfESoqSBSBEiDd5VjlgE=
+github.com/bytedance/sonic/loader v0.5.0/go.mod h1:AR4NYCk5DdzZizZ5djGqQ92eEhCCcdf5x77udYiSJRo=
 github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
 github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
-github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams=
-github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
+github.com/cloudwego/base64x v0.1.6 h1:t11wG9AECkCDk5fMSoxmufanudBtJ+/HemLstXDLI2M=
+github.com/cloudwego/base64x v0.1.6/go.mod h1:OFcloc187FXDaYHvrNIjxSe8ncn0OOM8gEHfghB2IPU=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
@@ -24,12 +26,14 @@ github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHk
 github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
 github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
 github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
-github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
-github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
-github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
-github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
-github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg=
-github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SUcPTeU=
+github.com/gabriel-vasile/mimetype v1.4.12 h1:e9hWvmLYvtp846tLHam2o++qitpguFiYCKbn0w9jyqw=
+github.com/gabriel-vasile/mimetype v1.4.12/go.mod h1:d+9Oxyo1wTzWdyVUPMmXFvp4F9tea18J8ufA774AB3s=
+github.com/gin-contrib/gzip v1.2.6 h1:OtN8DplD5DNZCSLAnQ5HxRkD2qZ5VU+JhOrcfJrcRvg=
+github.com/gin-contrib/gzip v1.2.6/go.mod h1:BQy8/+JApnRjAVUplSGZiVtD2k8GmIE2e9rYu/hLzzU=
+github.com/gin-contrib/sse v1.1.0 h1:n0w2GMuUpWDVp7qSpvze6fAu9iRxJY4Hmj6AmBOU05w=
+github.com/gin-contrib/sse v1.1.0/go.mod h1:hxRZ5gVpWMT7Z0B0gSNYqqsSCNIJMjzvm6fqCz9vjwM=
+github.com/gin-gonic/gin v1.12.0 h1:b3YAbrZtnf8N//yjKeU2+MQsh2mY5htkZidOM7O0wG8=
+github.com/gin-gonic/gin v1.12.0/go.mod h1:VxccKfsSllpKshkBWgVgRniFFAzFb9csfngsqANjnLc=
 github.com/glebarez/go-sqlite v1.21.2 h1:3a6LFC4sKahUunAmynQKLZceZCOzUthkRkEAl9gAXWo=
 github.com/glebarez/go-sqlite v1.21.2/go.mod h1:sfxdZyhQjTM2Wry3gVYWaW072Ri1WMdWJi0k6+3382k=
 github.com/glebarez/sqlite v1.11.0 h1:wSG0irqzP6VurnMEpFGer5Li19RpIRi2qvQz++w0GMw=
@@ -42,17 +46,17 @@ github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/o
 github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
 github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
 github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
-github.com/go-playground/validator/v10 v10.14.0 h1:vgvQWe3XCz3gIeFDm/HnTIbj6UGmg/+t63MyGU2n5js=
-github.com/go-playground/validator/v10 v10.14.0/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
-github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
-github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
+github.com/go-playground/validator/v10 v10.30.1 h1:f3zDSN/zOma+w6+1Wswgd9fLkdwy06ntQJp0BBvFG0w=
+github.com/go-playground/validator/v10 v10.30.1/go.mod h1:oSuBIQzuJxL//3MelwSLD5hc2Tu889bF0Idm9Dg26cM=
+github.com/goccy/go-json v0.10.5 h1:Fq85nIqj+gXn/S5ahsiTlK3TmC85qgirsdTP/+DeaC4=
+github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
+github.com/goccy/go-yaml v1.19.2 h1:PmFC1S6h8ljIz6gMRBopkjP1TVT7xuwrButHID66PoM=
+github.com/goccy/go-yaml v1.19.2/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
 github.com/golang-jwt/jwt/v5 v5.2.0 h1:d/ix8ftRUorsN+5eMIlF4T6J8CAt9rch3My2winC1Jw=
 github.com/golang-jwt/jwt/v5 v5.2.0/go.mod h1:pqrtFR0X4osieyHYxtmOUWsAWrfe1Q5UVIyoH402zdk=
-github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/pprof v0.0.0-20221118152302-e6195bd50e26 h1:Xim43kblpZXfIBQsbuBVKCudVG457BR2GZFIz3uw3hQ=
 github.com/google/pprof v0.0.0-20221118152302-e6195bd50e26/go.mod h1:dDKJzRmX4S37WGHujM7tX//fmj1uioxKzKxz3lo4HJo=
@@ -74,21 +78,20 @@ github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
 github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
-github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
-github.com/klauspost/cpuid/v2 v2.2.4 h1:acbojRNwl3o09bUq+yDCtZFc1aiwaAAxtcn8YkZXnvk=
-github.com/klauspost/cpuid/v2 v2.2.4/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY=
+github.com/klauspost/cpuid/v2 v2.3.0 h1:S4CRMLnYUhGeDFDqkGriYKdfoFlDnMtqTiI/sFzhA9Y=
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@@ -96,20 +99,24 @@ github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w
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@@ -133,15 +140,15 @@ github.com/spf13/viper v1.18.2/go.mod h1:EKmWIqdnk5lOcmR72yw6hS+8OPYcwD0jteitLMV
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@@ -150,43 +157,44 @@ github.com/tklauser/numcpus v0.6.1 h1:ng9scYS7az0Bk4OZLvrNXNSAO2Pxr1XXRAPyjhIx+F
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@@ -207,4 +215,3 @@ modernc.org/memory v1.5.0 h1:N+/8c5rE6EqugZwHii4IFsaJ7MUhoWX07J5tC/iI5Ds=
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 modernc.org/sqlite v1.23.1 h1:nrSBg4aRQQwq59JpvGEQ15tNxoO5pX/kUjcRNwSAGQM=
 modernc.org/sqlite v1.23.1/go.mod h1:OrDj17Mggn6MhE+iPbBNf7RGKODDE9NFT0f3EwDzJqk=
-rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=

internal/config/config_test.go

@@ -43,8 +43,8 @@ func TestLoadDefaults(t *testing.T) {
 	if cfg.Cache.RedisPrefix != "mebox" {
 		t.Fatalf("expected default redis prefix, got %q", cfg.Cache.RedisPrefix)
 	}
-	if cfg.Cache.MediaTTLSeconds != 15 {
-		t.Fatalf("expected default media cache ttl 15, got %d", cfg.Cache.MediaTTLSeconds)
+	if cfg.Cache.MediaTTLSeconds != 90 {
+		t.Fatalf("expected default media cache ttl 90, got %d", cfg.Cache.MediaTTLSeconds)
 	}
 	if cfg.Search.Index != "mebox_media" {
 		t.Fatalf("expected default search index, got %q", cfg.Search.Index)

internal/config/defaults.go

@@ -47,7 +47,7 @@ func setDefaults(v *viper.Viper) {
 	v.SetDefault("cache.cleanup_interval_min", 60)
 	v.SetDefault("cache.redis_url", "")
 	v.SetDefault("cache.redis_prefix", "mebox")
-	v.SetDefault("cache.media_ttl_seconds", 15)
+	v.SetDefault("cache.media_ttl_seconds", 90)
 
 	v.SetDefault("search.backend", "")
 	v.SetDefault("search.opensearch_url", "")

internal/config/normalize.go

@@ -51,7 +51,7 @@ func (c *Config) normalize() error {
 		c.Cache.RedisPrefix = "mebox"
 	}
 	if c.Cache.MediaTTLSeconds < 1 {
-		c.Cache.MediaTTLSeconds = 15
+		c.Cache.MediaTTLSeconds = 90
 	}
 	c.Search.Backend = strings.ToLower(strings.TrimSpace(c.Search.Backend))
 	if c.Search.Index == "" {

internal/database/schema_migration.go

@@ -8,6 +8,11 @@ import (
 
 // AutoMigrate creates tables for every model registered in the model package.
 func AutoMigrate(db *gorm.DB) error {
+	// 必须先于 AutoMigrate：旧库中可能已有重复的 (user_id, media_id) 历史行，
+	// 不去重会导致唯一索引 uniq_user_history 创建失败。
+	if err := dedupePlaybackHistories(db); err != nil {
+		return err
+	}
 	if err := db.AutoMigrate(model.AllModels()...); err != nil {
 		return err
 	}
@@ -37,6 +42,27 @@ func ensureSQLiteQueryOptimizer(db *gorm.DB) error {
 	return db.Exec("ANALYZE").Error
 }
 
+// dedupePlaybackHistories removes duplicate (user_id, media_id) rows left by
+// the former read-then-write upsert, so the uniq_user_history composite unique
+// index can be created on existing databases. Keeps the most recent row per
+// pair, preferring live rows over soft-deleted ones.
+func dedupePlaybackHistories(db *gorm.DB) error {
+	if !db.Migrator().HasTable("playback_histories") {
+		return nil
+	}
+	return db.Exec(`
+DELETE FROM playback_histories WHERE id IN (
+	SELECT id FROM (
+		SELECT id, ROW_NUMBER() OVER (
+			PARTITION BY user_id, media_id
+			ORDER BY deleted_at IS NULL DESC, watched_at DESC, id DESC
+		) AS rn
+		FROM playback_histories
+	) ranked
+	WHERE ranked.rn > 1
+)`).Error
+}
+
 func ensurePostgresColumnCompatibility(db *gorm.DB) error {
 	if !isPostgres(db) {
 		return nil
@@ -60,8 +86,16 @@ func ensurePostgresColumnCompatibility(db *gorm.DB) error {
 
 func ensurePerformanceIndexes(db *gorm.DB) error {
 	statements := []string{
+		// 完整多级排序索引：媒体库分页与首页预览的 ORDER BY
+		// (release_date, year, updated_at, created_at, id) DESC 与索引列完全一致，
+		// LIMIT 分页沿索引顺序直取，免去对整库行做临时 B-tree 排序。
+		`CREATE INDEX IF NOT EXISTS idx_media_library_recent_active ON media(library_id, release_date DESC, year DESC, updated_at DESC, created_at DESC, id DESC) WHERE deleted_at IS NULL`,
+		// 计数覆盖索引：首页 CountByLibraries 的 GROUP BY library_id + nsfw 谓词
+		// 全部落在索引键/部分索引条件上，纯索引扫描即可完成，不回表。
+		`CREATE INDEX IF NOT EXISTS idx_media_library_nsfw_active ON media(library_id, nsfw) WHERE deleted_at IS NULL`,
+		// 旧的两键前缀索引被上面的完整排序索引完全覆盖，删除以降低写放大。
+		`DROP INDEX IF EXISTS idx_media_library_release_active`,
 		`CREATE INDEX IF NOT EXISTS idx_media_library_created_active ON media(library_id, created_at DESC) WHERE deleted_at IS NULL`,
-		`CREATE INDEX IF NOT EXISTS idx_media_library_release_active ON media(library_id, release_date DESC, year DESC) WHERE deleted_at IS NULL`,
 		`CREATE INDEX IF NOT EXISTS idx_media_library_episode_active ON media(library_id, season_num, episode_num, created_at DESC) WHERE deleted_at IS NULL`,
 		`CREATE INDEX IF NOT EXISTS idx_media_library_root_active ON media(library_id, library_root_id) WHERE deleted_at IS NULL`,
 		`CREATE INDEX IF NOT EXISTS idx_media_series_active ON media(series_id, season_num, episode_num) WHERE deleted_at IS NULL`,

internal/database/schema_migration_history_test.go

@@ -0,0 +1,84 @@
+package database
+
+import (
+	"testing"
+	"time"
+
+	"github.com/glebarez/sqlite"
+	"gorm.io/gorm"
+)
+
+// TestAutoMigrateDedupesPlaybackHistories reproduces the upgrade path: a legacy
+// database contains duplicate (user_id, media_id) history rows created by the
+// old read-then-write upsert. AutoMigrate must merge them before creating the
+// uniq_user_history composite unique index, otherwise the upgrade fails.
+func TestAutoMigrateDedupesPlaybackHistories(t *testing.T) {
+	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	// 旧 schema：无 uniq_user_history 唯一索引。
+	if err := db.Exec(`CREATE TABLE playback_histories (
+		id varchar(36) PRIMARY KEY,
+		created_at datetime,
+		updated_at datetime,
+		deleted_at datetime,
+		user_id varchar(36) NOT NULL,
+		media_id varchar(128) NOT NULL,
+		position_ms integer,
+		duration_ms integer,
+		watched_at datetime,
+		completed numeric
+	)`).Error; err != nil {
+		t.Fatal(err)
+	}
+	base := time.Now()
+	rows := []struct {
+		id        string
+		position  int64
+		watchedAt time.Time
+	}{
+		{"h-old", 1_000, base.Add(-2 * time.Hour)},
+		{"h-mid", 2_000, base.Add(-1 * time.Hour)},
+		{"h-new", 3_000, base},
+	}
+	for _, r := range rows {
+		if err := db.Exec(
+			`INSERT INTO playback_histories (id, user_id, media_id, position_ms, watched_at, created_at, updated_at)
+			 VALUES (?, 'u-1', 'm-1', ?, ?, ?, ?)`,
+			r.id, r.position, r.watchedAt, r.watchedAt, r.watchedAt,
+		).Error; err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	if err := AutoMigrate(db); err != nil {
+		t.Fatalf("auto migrate with duplicate histories: %v", err)
+	}
+
+	var count int64
+	if err := db.Table("playback_histories").Where("user_id = ? AND media_id = ?", "u-1", "m-1").Count(&count).Error; err != nil {
+		t.Fatal(err)
+	}
+	if count != 1 {
+		t.Fatalf("expected duplicate rows merged to 1, got %d", count)
+	}
+	var position int64
+	if err := db.Table("playback_histories").
+		Where("user_id = ? AND media_id = ?", "u-1", "m-1").
+		Select("position_ms").Scan(&position).Error; err != nil {
+		t.Fatal(err)
+	}
+	if position != 3_000 {
+		t.Fatalf("dedupe should keep the most recent row, got position_ms=%d", position)
+	}
+
+	// 唯一索引存在时，重复插入同一 (user_id, media_id) 应触发冲突而非新增行。
+	if err := db.Exec(
+		`INSERT INTO playback_histories (id, user_id, media_id, position_ms, watched_at, created_at, updated_at)
+		 VALUES ('h-dup', 'u-1', 'm-1', 4_000, ?, ?, ?)`,
+		base, base, base,
+	).Error; err == nil {
+		t.Fatal("insert violating uniq_user_history should fail")
+	}
+}

internal/handler/handler.go

@@ -9,12 +9,14 @@ import (
 	"go.uber.org/zap"
 
 	"github.com/truewhile/MeBox/internal/config"
+	"github.com/truewhile/MeBox/internal/middleware"
 	"github.com/truewhile/MeBox/internal/service"
 )
 
 // Register attaches every API route to the engine.
 func Register(r *gin.Engine, cfg *config.Config, log *zap.Logger, svc *service.Container) {
 	api := r.Group("/api")
+	api.Use(middleware.GzipAPI())
 	{
 		api.GET("/health", healthCheck)
 		api.GET("/version", versionInfo)

internal/handler/media.go

@@ -11,8 +11,10 @@ import (
 
 	"github.com/gin-gonic/gin"
 
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/middleware"
 	"github.com/truewhile/MeBox/internal/model"
+	"github.com/truewhile/MeBox/internal/repository"
 	"github.com/truewhile/MeBox/internal/service"
 )
 
@@ -58,17 +60,37 @@ func listLibrariesHandler(svc *service.Container) gin.HandlerFunc {
 		}
 		role, _ := c.Get(middleware.CtxUserRole)
 		includeHidden := role == "admin" && (c.Query("include_hidden") == "1" || c.Query("include_hidden") == "true" || c.Query("all") == "1")
-		if !includeHidden {
-			libs = service.FilterDisplayCloudLibraries(ctx, svc.Repo, libs)
-			visibility := mediaVisibilityForRequest(c, svc)
-			filtered := libs[:0]
-			for _, lib := range libs {
-				if service.LibraryVisibleForUser(ctx, svc.Repo, lib, visibility) {
-					filtered = append(filtered, lib)
+			if !includeHidden {
+				libs = service.FilterDisplayCloudLibraries(ctx, svc.Repo, libs)
+				visibility := mediaVisibilityForRequest(c, svc)
+				filtered := libs[:0]
+				for _, lib := range libs {
+					if service.LibraryVisibleForUser(ctx, svc.Repo, lib, visibility) {
+						filtered = append(filtered, lib)
+					}
+				}
+				libs = filtered
+			}
+			rawIDs := strings.TrimSpace(c.Query("ids"))
+			var targetSet map[string]struct{}
+			if rawIDs != "" {
+				targetSet = make(map[string]struct{})
+				for _, id := range strings.Split(rawIDs, ",") {
+					id = strings.TrimSpace(id)
+					if id != "" {
+						targetSet[id] = struct{}{}
+					}
 				}
 			}
-			libs = filtered
-		}
+			if len(targetSet) > 0 {
+				filtered := libs[:0]
+				for _, lib := range libs {
+					if _, ok := targetSet[lib.ID]; ok {
+						filtered = append(filtered, lib)
+					}
+				}
+				libs = filtered
+			}
 		withPreview := c.Query("with_preview") == "1" || c.Query("with_preview") == "true"
 		limit := 10
 		if withPreview {
@@ -89,22 +111,41 @@ func listLibrariesHandler(svc *service.Container) gin.HandlerFunc {
 			for _, p := range previews {
 				out = append(out, webLibraryPayload{Library: p.Library, Total: p.Total, Cards: p.Cards})
 			}
-		} else {
-			for _, l := range libs {
-				out = append(out, webLibraryPayload{Library: l})
+			} else {
+				visibility := mediaVisibilityForRequest(c, svc)
+				libIDs := make([]string, len(libs))
+				for i, l := range libs {
+					libIDs[i] = l.ID
+				}
+				counts, _ := svc.Repo.Media.CountByLibraries(ctx, libIDs, repository.MediaQueryFilter{
+					IncludeNSFW:       visibility.IncludeNSFW,
+					AllowedLibraryIDs: visibility.AllowedLibraryIDs,
+					HiddenLibraryIDs:  visibility.HiddenLibraryIDs,
+				})
+				for _, l := range libs {
+					var total int64
+					if counts != nil {
+						total = counts[l.ID]
+					}
+					out = append(out, webLibraryPayload{Library: l, Total: total})
+				}
 			}
-		}
 		// 远程 Emby 挂载库追加在本地库之后（非管理员视图仍受 allowed_library_ids 约束）。
 		if svc.EmbyRemote != nil {
 			if views, err := svc.EmbyRemote.RemoteLibraries(ctx); err == nil {
-				visibility := mediaVisibilityForRequest(c, svc)
-				allowedViews := make([]service.RemoteLibraryView, 0, len(views))
-				for _, v := range views {
-					if !includeHidden && !service.LibraryVisibleForUser(ctx, svc.Repo, v.Library, visibility) {
-						continue
+					visibility := mediaVisibilityForRequest(c, svc)
+					allowedViews := make([]service.RemoteLibraryView, 0, len(views))
+					for _, v := range views {
+						if !includeHidden && !service.LibraryVisibleForUser(ctx, svc.Repo, v.Library, visibility) {
+							continue
+						}
+						if len(targetSet) > 0 {
+							if _, ok := targetSet[v.Library.ID]; !ok {
+								continue
+							}
+						}
+						allowedViews = append(allowedViews, v)
 					}
-					allowedViews = append(allowedViews, v)
-				}
 				remotePayloads := make([]webLibraryPayload, len(allowedViews))
 				for i, v := range allowedViews {
 					remotePayloads[i] = webLibraryPayload{Library: v.Library, IsRemoteEmby: true, RemoteSource: v.AccountName}
@@ -124,18 +165,20 @@ func listLibrariesHandler(svc *service.Container) gin.HandlerFunc {
 							case <-ctx.Done():
 								return
 							}
-							acct := svc.EmbyRemote.AccountByID(ctx, v.AccountID)
-							if acct == nil {
-								return
-							}
-							tmpMount := &model.EmbyMount{Base: model.Base{ID: v.MountID}}
-							itemTypes := remoteLibraryItemTypes(v.CollectionType)
-							if _, total, err := svc.EmbyRemote.RemoteLibraryMedia(ctx, tmpMount, acct, v.RemoteID, itemTypes, 0, 1); err == nil {
-								remotePayloads[i].Total = total
-							}
-							if cards, err := svc.EmbyRemote.RemoteLatestCards(ctx, tmpMount, acct, v.RemoteID, limit); err == nil {
-								remotePayloads[i].Cards = cards
-							}
+							helper.Run(svc.Log, "media.remotePreview", func() {
+								acct := svc.EmbyRemote.AccountByID(ctx, v.AccountID)
+								if acct == nil {
+									return
+								}
+								tmpMount := &model.EmbyMount{Base: model.Base{ID: v.MountID}}
+								itemTypes := remoteLibraryItemTypes(v.CollectionType)
+								if _, total, err := svc.EmbyRemote.RemoteLibraryMedia(ctx, tmpMount, acct, v.RemoteID, itemTypes, 0, 1); err == nil {
+									remotePayloads[i].Total = total
+								}
+								if cards, err := svc.EmbyRemote.RemoteLatestCards(ctx, tmpMount, acct, v.RemoteID, limit); err == nil {
+									remotePayloads[i].Cards = cards
+								}
+							})
 						}()
 					}
 					wg.Wait()

internal/handler/media_delete.go

@@ -0,0 +1,35 @@
+// Package handler — media delete endpoint.
+package handler
+
+import (
+	"net/http"
+	"strconv"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/truewhile/MeBox/internal/service"
+)
+
+func deleteMediaHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		deleteFiles := parseDeleteFilesQuery(c.Query("delete_files"))
+		if err := svc.Media.DeleteMedia(c.Request.Context(), c.Param("id"), deleteFiles); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.Status(http.StatusNoContent)
+	}
+}
+
+func parseDeleteFilesQuery(raw string) bool {
+	raw = strings.TrimSpace(strings.ToLower(raw))
+	if raw == "" {
+		return false
+	}
+	if raw == "1" || raw == "true" || raw == "yes" {
+		return true
+	}
+	v, err := strconv.ParseBool(raw)
+	return err == nil && v
+}

internal/handler/media_delete_test.go

@@ -0,0 +1,23 @@
+package handler
+
+import "testing"
+
+func TestParseDeleteFilesQuery(t *testing.T) {
+	cases := []struct {
+		raw  string
+		want bool
+	}{
+		{"", false},
+		{"0", false},
+		{"false", false},
+		{"1", true},
+		{"true", true},
+		{"TRUE", true},
+		{"yes", true},
+	}
+	for _, tc := range cases {
+		if got := parseDeleteFilesQuery(tc.raw); got != tc.want {
+			t.Fatalf("parseDeleteFilesQuery(%q)=%v, want %v", tc.raw, got, tc.want)
+		}
+	}
+}

internal/handler/media_scan.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/gin-gonic/gin"
 
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/service"
 )
 
@@ -41,7 +42,11 @@ func scanLibraryHandler(svc *service.Container) gin.HandlerFunc {
 		task := startScanHTTPTask(svc, "手动扫描入库", lib.Name, lib.Path)
 		go func(libraryID string, task *service.TaskHandle, finish func()) {
 			defer finish()
-			res, err := svc.Scan.ScanLibrary(context.Background(), libraryID)
+			var res *service.ScanResult
+			var err error
+			helper.Run(svc.Log, "scan.library", func() {
+				res, err = svc.Scan.ScanLibrary(context.Background(), libraryID)
+			})
 			if err != nil {
 				finishHTTPTask(task, err, "scan", "手动扫描入库失败", scanTaskMetrics(res), scanTaskDetails(res, 20))
 				return
@@ -75,7 +80,11 @@ func scanLibraryRootHandler(svc *service.Container) gin.HandlerFunc {
 		task := startScanHTTPTask(svc, "手动扫描媒体库路径", id, rootID)
 		go func(libraryID, libraryRootID string, task *service.TaskHandle, finish func()) {
 			defer finish()
-			res, err := svc.Scan.ScanLibraryRoot(context.Background(), libraryID, libraryRootID)
+			var res *service.ScanResult
+			var err error
+			helper.Run(svc.Log, "scan.libraryRoot", func() {
+				res, err = svc.Scan.ScanLibraryRoot(context.Background(), libraryID, libraryRootID)
+			})
 			if err != nil {
 				finishHTTPTask(task, err, "scan", "手动扫描路径失败", scanTaskMetrics(res), scanTaskDetails(res, 20))
 				return
@@ -110,11 +119,13 @@ func queueLibraryRootScan(svc *service.Container, libraryID, rootID string) {
 	}
 	go func() {
 		defer finish()
-		if strings.TrimSpace(rootID) == "" {
-			_, _ = svc.Scan.ScanLibrary(context.Background(), libraryID)
-			return
-		}
-		_, _ = svc.Scan.ScanLibraryRoot(context.Background(), libraryID, rootID)
+		helper.Run(svc.Log, "scan.queuedRoot", func() {
+			if strings.TrimSpace(rootID) == "" {
+				_, _ = svc.Scan.ScanLibrary(context.Background(), libraryID)
+				return
+			}
+			_, _ = svc.Scan.ScanLibraryRoot(context.Background(), libraryID, rootID)
+		})
 	}()
 }
 

internal/handler/media_test.go

@@ -104,11 +104,16 @@ func TestListLibrariesHidesAdultDirectoriesUnlessAdminRequestsAll(t *testing.T)
 		t.Fatalf("watching library list should hide adult directories, got %#v", visible)
 	}
 
-	all := requestLibraries(t, svc, viewer.ID, "admin", "/api/libraries?include_hidden=1")
-	if len(all) != 2 {
-		t.Fatalf("admin include_hidden list should keep management access, got %#v", all)
+		all := requestLibraries(t, svc, viewer.ID, "admin", "/api/libraries?include_hidden=1")
+		if len(all) != 2 {
+			t.Fatalf("admin include_hidden list should keep management access, got %#v", all)
+		}
+
+		filtered := requestLibraries(t, svc, viewer.ID, "admin", "/api/libraries?include_hidden=1&ids="+safe.ID)
+		if len(filtered) != 1 || filtered[0].ID != safe.ID {
+			t.Fatalf("ids filter should return only requested library, got %#v", filtered)
+		}
 	}
-}
 
 func TestGetLibraryAllowsEmptyLibrary(t *testing.T) {
 	gin.SetMode(gin.TestMode)

internal/handler/recycle.go

@@ -1,40 +0,0 @@
-// Package handler — recycle bin endpoints.
-package handler
-
-import (
-	"net/http"
-
-	"github.com/gin-gonic/gin"
-
-	"github.com/truewhile/MeBox/internal/service"
-)
-
-func deleteMediaHandler(svc *service.Container) gin.HandlerFunc {
-	return func(c *gin.Context) {
-		if err := svc.Media.SoftDelete(c.Request.Context(), c.Param("id")); err != nil {
-			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
-			return
-		}
-		c.Status(http.StatusNoContent)
-	}
-}
-
-func restoreMediaHandler(svc *service.Container) gin.HandlerFunc {
-	return func(c *gin.Context) {
-		if err := svc.Media.RestoreDeleted(c.Request.Context(), c.Param("id")); err != nil {
-			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
-			return
-		}
-		c.Status(http.StatusNoContent)
-	}
-}
-
-func purgeMediaHandler(svc *service.Container) gin.HandlerFunc {
-	return func(c *gin.Context) {
-		if err := svc.Media.PurgeDeleted(c.Request.Context(), c.Param("id")); err != nil {
-			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
-			return
-		}
-		c.Status(http.StatusNoContent)
-	}
-}

internal/handler/routes_authenticated.go

@@ -21,7 +21,7 @@ func registerAuthenticatedRoutes(api *gin.RouterGroup, cfg *config.Config, svc *
 	registerAuthedCollectionRoutes(authed, svc)
 	registerAuthedFileRoutes(authed, svc)
 	registerAuthedDLNARoutes(authed, svc)
-	registerAuthedRecycleAndRealtimeRoutes(authed, svc)
+	registerAuthedRealtimeRoutes(authed, svc)
 	registerAuthedUISurfaceRoutes(authed, svc)
 	registerAuthedSearchRoutes(authed, svc)
 	registerAuthedSystemExtraRoutes(authed, svc)

internal/handler/routes_authenticated_core.go

@@ -50,8 +50,6 @@ func registerAuthedMediaRoutes(authed *gin.RouterGroup, svc *service.Container)
 	authed.POST("/media/scrape/apply", middleware.AdminRequired(), manualScrapeApplyBatchHandler(svc))
 	authed.POST("/media/:id/probe", middleware.AdminRequired(), reprobeHandler(svc))
 	authed.DELETE("/media/:id", middleware.AdminRequired(), deleteMediaHandler(svc))
-	authed.POST("/media/:id/restore", middleware.AdminRequired(), restoreMediaHandler(svc))
-	authed.DELETE("/media/:id/purge", middleware.AdminRequired(), purgeMediaHandler(svc))
 	authed.GET("/media/:id/subtitles", listSubtitlesHandler(svc))
 	authed.GET("/subtitles/:id", serveSubtitleHandler(svc))
 	authed.POST("/media/:id/nfo", middleware.AdminRequired(), exportNFOHandler(svc))

internal/handler/routes_authenticated_features.go

@@ -20,7 +20,7 @@ func registerAuthedDLNARoutes(authed *gin.RouterGroup, svc *service.Container) {
 	authed.POST("/dlna/cast", dlnaCastHandler(svc))
 }
 
-func registerAuthedRecycleAndRealtimeRoutes(authed *gin.RouterGroup, svc *service.Container) {
+func registerAuthedRealtimeRoutes(authed *gin.RouterGroup, svc *service.Container) {
 	authed.GET("/ws", wsHandler(svc))
 	authed.GET("/events", sseHandler(svc))
 }

internal/helper/goroutine.go

@@ -0,0 +1,53 @@
+// Package helper provides shared utilities.
+package helper
+
+import (
+	"fmt"
+	"os"
+	"runtime/debug"
+
+	"go.uber.org/zap"
+)
+
+// Go runs fn in a new goroutine and recovers from panics so that a failure in
+// a background task (scraper parsing remote responses, cloud-drive sync, ...)
+// is logged instead of crashing the whole process. log may be nil.
+func Go(log *zap.Logger, name string, fn func()) {
+	go Run(log, name, fn)
+}
+
+// Run executes fn and recovers from panics, logging the task name and stack.
+// Use it as the first statement inside goroutines spawned elsewhere, or wrap
+// loop bodies so one bad iteration cannot kill a long-running worker.
+func Run(log *zap.Logger, name string, fn func()) {
+	defer func() {
+		if r := recover(); r != nil {
+			logPanic(log, name, r)
+		}
+	}()
+	fn()
+}
+
+// Recover runs fn and converts a panic into an error so callers can run their
+// own deferred cleanup (releasing locks, updating job state) before unwinding.
+func Recover(log *zap.Logger, name string, fn func() error) (err error) {
+	defer func() {
+		if r := recover(); r != nil {
+			logPanic(log, name, r)
+			err = fmt.Errorf("%s panicked: %v", name, r)
+		}
+	}()
+	return fn()
+}
+
+func logPanic(log *zap.Logger, name string, r any) {
+	if log == nil {
+		fmt.Fprintf(os.Stderr, "background task panicked: task=%s panic=%v\n%s\n", name, r, debug.Stack())
+		return
+	}
+	log.Error("background task panicked",
+		zap.String("task", name),
+		zap.Any("panic", r),
+		zap.ByteString("stack", debug.Stack()),
+	)
+}

internal/helper/goroutine_test.go

@@ -0,0 +1,95 @@
+package helper
+
+import (
+	"errors"
+	"strings"
+	"testing"
+	"time"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zaptest/observer"
+)
+
+func newObservedLogger(t *testing.T) (*zap.Logger, *observer.ObservedLogs) {
+	t.Helper()
+	core, logs := observer.New(zap.ErrorLevel)
+	return zap.New(core), logs
+}
+
+func waitForLogs(t *testing.T, logs *observer.ObservedLogs, n int) []observer.LoggedEntry {
+	t.Helper()
+	deadline := time.Now().Add(2 * time.Second)
+	for time.Now().Before(deadline) {
+		if entries := logs.All(); len(entries) >= n {
+			return entries
+		}
+		time.Sleep(5 * time.Millisecond)
+	}
+	t.Fatalf("timed out waiting for %d log entries, got %d", n, logs.Len())
+	return nil
+}
+
+func TestRunRecoversPanic(t *testing.T) {
+	log, logs := newObservedLogger(t)
+	ran := false
+	Run(log, "unit.panic", func() {
+		ran = true
+		panic("boom")
+	})
+	if !ran {
+		t.Fatal("fn should have run before panicking")
+	}
+	entries := waitForLogs(t, logs, 1)
+	if entries[0].Message != "background task panicked" {
+		t.Fatalf("unexpected message: %s", entries[0].Message)
+	}
+	found := false
+	for _, f := range entries[0].Context {
+		if f.Key == "task" && f.String == "unit.panic" {
+			found = true
+		}
+	}
+	if !found {
+		t.Fatalf("expected task name in log context: %v", entries[0].Context)
+	}
+}
+
+func TestRunNoPanicNoLog(t *testing.T) {
+	log, logs := newObservedLogger(t)
+	Run(log, "unit.ok", func() {})
+	time.Sleep(10 * time.Millisecond)
+	if logs.Len() != 0 {
+		t.Fatalf("expected no error log, got %d", logs.Len())
+	}
+}
+
+func TestRecoverConvertsPanicToError(t *testing.T) {
+	log, _ := newObservedLogger(t)
+	err := Recover(log, "unit.recover", func() error {
+		panic("kaboom")
+	})
+	if err == nil {
+		t.Fatal("expected error from recovered panic")
+	}
+	if !strings.Contains(err.Error(), "kaboom") {
+		t.Fatalf("panic value should be in error: %v", err)
+	}
+}
+
+func TestRecoverReturnsFnError(t *testing.T) {
+	sentinel := errors.New("plain failure")
+	err := Recover(nil, "unit.err", func() error { return sentinel })
+	if !errors.Is(err, sentinel) {
+		t.Fatalf("expected fn error, got %v", err)
+	}
+}
+
+func TestRunWithNilLoggerDoesNotCrash(t *testing.T) {
+	Run(nil, "unit.nillog", func() { panic("still caught") })
+}
+
+func TestGoLogsPanicFromSpawnedGoroutine(t *testing.T) {
+	log, logs := newObservedLogger(t)
+	Go(log, "unit.go", func() { panic("async boom") })
+	waitForLogs(t, logs, 1)
+}

internal/middleware/gzip.go

@@ -0,0 +1,47 @@
+package middleware
+
+import (
+	"github.com/gin-contrib/gzip"
+	"github.com/gin-gonic/gin"
+)
+
+// gzipExcludedExtensions 已经是压缩格式（图片/字体/媒体/归档）的响应体，
+// 再 gzip 只浪费 CPU 不省流量。
+var gzipExcludedExtensions = []string{
+	".png", ".gif", ".jpeg", ".jpg", ".webp", ".avif", ".ico", ".svg",
+	".woff", ".woff2", ".ttf", ".otf",
+	".mp4", ".mkv", ".webm", ".ts", ".m4s", ".m3u8",
+	".mp3", ".flac", ".aac", ".ogg",
+	".zip", ".gz", ".xz", ".7z", ".rar",
+}
+
+// apiGzipExcludedPrefixes 大文件流式传输（Range 语义）与 WS/SSE 长连接
+// 不参与 gzip：压缩会破坏 Range / 逐块推送语义。
+var apiGzipExcludedPrefixes = []string{
+	"/api/stream/",
+	"/api/hls/",
+	"/api/img",
+	"/api/subtitles/",
+	"/api/strm/play/",
+	"/api/ws",
+	"/api/events",
+}
+
+// GzipAPI 压缩 /api 下的 JSON 响应（媒体列表动辄数 MB，压缩率 85%+）。
+// gin-contrib/gzip 的路径排除是前缀匹配，且会自动校验 Accept-Encoding
+// 与 Connection: Upgrade（WebSocket 安全）。
+func GzipAPI() gin.HandlerFunc {
+	return gzip.Gzip(
+		gzip.DefaultCompression,
+		gzip.WithExcludedExtensions(gzipExcludedExtensions),
+		gzip.WithExcludedPaths(apiGzipExcludedPrefixes),
+	)
+}
+
+// GzipStatic 压缩 SPA 静态资源（JS/CSS/HTML 是构建产物的大头）。
+func GzipStatic() gin.HandlerFunc {
+	return gzip.Gzip(
+		gzip.DefaultCompression,
+		gzip.WithExcludedExtensions(gzipExcludedExtensions),
+	)
+}

internal/middleware/gzip_test.go

@@ -0,0 +1,84 @@
+package middleware
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+)
+
+func newGzipTestRouter() *gin.Engine {
+	gin.SetMode(gin.TestMode)
+	router := gin.New()
+	api := router.Group("/api")
+	api.Use(GzipAPI())
+	api.GET("/libraries", func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{"items": strings.Repeat("mebox", 200)})
+	})
+	api.GET("/stream/:id", func(c *gin.Context) {
+		c.String(http.StatusOK, strings.Repeat("video-bytes", 200))
+	})
+	router.GET("/assets/app.js", GzipStatic(), func(c *gin.Context) {
+		c.Data(http.StatusOK, "text/javascript", []byte(strings.Repeat("console.log(1);", 200)))
+	})
+	return router
+}
+
+func TestGzipAPICompressesJSONWhenAccepted(t *testing.T) {
+	router := newGzipTestRouter()
+
+	req := httptest.NewRequest(http.MethodGet, "/api/libraries", nil)
+	req.Header.Set("Accept-Encoding", "gzip")
+	w := httptest.NewRecorder()
+	router.ServeHTTP(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("status = %d, want 200", w.Code)
+	}
+	if got := w.Header().Get("Content-Encoding"); got != "gzip" {
+		t.Fatalf("Content-Encoding = %q, want gzip", got)
+	}
+	if raw := strings.Repeat("mebox", 200); w.Body.Len() >= len(raw) {
+		t.Fatalf("body not compressed: len = %d, raw = %d", w.Body.Len(), len(raw))
+	}
+}
+
+func TestGzipAPISkipsWhenNotAccepted(t *testing.T) {
+	router := newGzipTestRouter()
+
+	req := httptest.NewRequest(http.MethodGet, "/api/libraries", nil)
+	w := httptest.NewRecorder()
+	router.ServeHTTP(w, req)
+
+	if got := w.Header().Get("Content-Encoding"); got == "gzip" {
+		t.Fatal("Content-Encoding should not be gzip without Accept-Encoding")
+	}
+}
+
+func TestGzipAPIExcludesStreamPath(t *testing.T) {
+	router := newGzipTestRouter()
+
+	req := httptest.NewRequest(http.MethodGet, "/api/stream/abc", nil)
+	req.Header.Set("Accept-Encoding", "gzip")
+	w := httptest.NewRecorder()
+	router.ServeHTTP(w, req)
+
+	if got := w.Header().Get("Content-Encoding"); got == "gzip" {
+		t.Fatal("stream path must not be gzipped (Range semantics)")
+	}
+}
+
+func TestGzipStaticCompressesAssets(t *testing.T) {
+	router := newGzipTestRouter()
+
+	req := httptest.NewRequest(http.MethodGet, "/assets/app.js", nil)
+	req.Header.Set("Accept-Encoding", "gzip")
+	w := httptest.NewRecorder()
+	router.ServeHTTP(w, req)
+
+	if got := w.Header().Get("Content-Encoding"); got != "gzip" {
+		t.Fatalf("Content-Encoding = %q, want gzip for static assets", got)
+	}
+}

internal/model/playback_collection.go

@@ -3,10 +3,12 @@ package model
 import "time"
 
 // PlaybackHistory 记录当前播放位置以支持续播。
+// (user_id, media_id) 唯一：播放进度每几秒上报一次，唯一索引保证并发上报
+// 不会插入重复行（否则续播列表会出现重复卡片），也让 upsert 单语句完成。
 type PlaybackHistory struct {
 	Base
-	UserID     string    `gorm:"index;size:36;not null" json:"user_id"`
-	MediaID    string    `gorm:"index;size:128;not null" json:"media_id"`
+	UserID     string    `gorm:"index;size:36;not null;uniqueIndex:uniq_user_history" json:"user_id"`
+	MediaID    string    `gorm:"index;size:128;not null;uniqueIndex:uniq_user_history" json:"media_id"`
 	PositionMs int64     `json:"position_ms"`
 	DurationMs int64     `json:"duration_ms"`
 	WatchedAt  time.Time `json:"watched_at"`

internal/repository/history_repository.go

@@ -2,9 +2,9 @@ package repository
 
 import (
 	"context"
-	"errors"
 
 	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
 
 	"github.com/truewhile/MeBox/internal/model"
 )
@@ -13,25 +13,24 @@ import (
 // upserts on (UserID, MediaID) so resume always reads the latest position.
 type HistoryRepository struct{ db *gorm.DB }
 
-// Upsert atomically inserts/updates the resume position.
+// Upsert atomically inserts/updates the resume position in a single statement,
+// relying on the uniq_user_history composite unique index. Concurrent progress
+// reports for the same (user, media) can no longer double-insert.
 func (r *HistoryRepository) Upsert(ctx context.Context, h *model.PlaybackHistory) error {
-	var existing model.PlaybackHistory
-	err := r.db.WithContext(ctx).
-		Where("user_id = ? AND media_id = ?", h.UserID, h.MediaID).
-		First(&existing).Error
-	if errors.Is(err, gorm.ErrRecordNotFound) {
-		return r.db.WithContext(ctx).Create(h).Error
-	}
-	if err != nil {
-		return err
-	}
-	existing.PositionMs = h.PositionMs
-	if h.DurationMs > 0 {
-		existing.DurationMs = h.DurationMs
-	}
-	existing.WatchedAt = h.WatchedAt
-	existing.Completed = h.Completed
-	return r.db.WithContext(ctx).Save(&existing).Error
+	return r.db.WithContext(ctx).Clauses(clause.OnConflict{
+		Columns: []clause.Column{{Name: "user_id"}, {Name: "media_id"}},
+		DoUpdates: clause.Assignments(map[string]any{
+			"position_ms": h.PositionMs,
+			// 沿用旧语义：未知时长（0）不覆盖已记录的时长。
+			"duration_ms": gorm.Expr(
+				"CASE WHEN ? > 0 THEN ? ELSE playback_histories.duration_ms END",
+				h.DurationMs, h.DurationMs,
+			),
+			"watched_at": h.WatchedAt,
+			"completed":  h.Completed,
+			"deleted_at": nil,
+		}),
+	}).Create(h).Error
 }
 
 // ListByUser returns the most recent history rows for the user.

internal/repository/history_repository_test.go

@@ -0,0 +1,79 @@
+package repository
+
+import (
+	"testing"
+	"time"
+
+	"github.com/glebarez/sqlite"
+	"gorm.io/gorm"
+
+	"github.com/truewhile/MeBox/internal/database"
+	"github.com/truewhile/MeBox/internal/model"
+)
+
+func TestHistoryUpsertSingleRowPerUserMedia(t *testing.T) {
+	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := database.AutoMigrate(db); err != nil {
+		t.Fatalf("migrate: %v", err)
+	}
+	repos := New(db)
+	ctx := t.Context()
+	watched := time.Now()
+
+	first := &model.PlaybackHistory{UserID: "u-1", MediaID: "m-1", PositionMs: 30_000, DurationMs: 0, WatchedAt: watched, Completed: false}
+	if err := repos.History.Upsert(ctx, first); err != nil {
+		t.Fatalf("first upsert: %v", err)
+	}
+	second := &model.PlaybackHistory{UserID: "u-1", MediaID: "m-1", PositionMs: 90_000, DurationMs: 120_000, WatchedAt: watched.Add(time.Minute), Completed: true}
+	if err := repos.History.Upsert(ctx, second); err != nil {
+		t.Fatalf("second upsert: %v", err)
+	}
+
+	var count int64
+	if err := db.Model(&model.PlaybackHistory{}).Where("user_id = ? AND media_id = ?", "u-1", "m-1").Count(&count).Error; err != nil {
+		t.Fatal(err)
+	}
+	if count != 1 {
+		t.Fatalf("expected 1 history row after upserts, got %d", count)
+	}
+	var got model.PlaybackHistory
+	if err := db.Where("user_id = ? AND media_id = ?", "u-1", "m-1").First(&got).Error; err != nil {
+		t.Fatal(err)
+	}
+	if got.PositionMs != 90_000 || !got.Completed {
+		t.Fatalf("position/completion not updated: %#v", got)
+	}
+	if got.DurationMs != 120_000 {
+		t.Fatalf("duration should update when known, got %d", got.DurationMs)
+	}
+}
+
+func TestHistoryUpsertKeepsDurationWhenUnknown(t *testing.T) {
+	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := database.AutoMigrate(db); err != nil {
+		t.Fatalf("migrate: %v", err)
+	}
+	repos := New(db)
+	ctx := t.Context()
+	watched := time.Now()
+
+	if err := repos.History.Upsert(ctx, &model.PlaybackHistory{UserID: "u-1", MediaID: "m-2", PositionMs: 10, DurationMs: 600_000, WatchedAt: watched}); err != nil {
+		t.Fatal(err)
+	}
+	if err := repos.History.Upsert(ctx, &model.PlaybackHistory{UserID: "u-1", MediaID: "m-2", PositionMs: 20, DurationMs: 0, WatchedAt: watched.Add(time.Second)}); err != nil {
+		t.Fatal(err)
+	}
+	var got model.PlaybackHistory
+	if err := db.Where("user_id = ? AND media_id = ?", "u-1", "m-2").First(&got).Error; err != nil {
+		t.Fatal(err)
+	}
+	if got.DurationMs != 600_000 {
+		t.Fatalf("duration_ms=0 upsert must not clear stored duration, got %d", got.DurationMs)
+	}
+}

internal/repository/media_repository.go

@@ -240,8 +240,8 @@ func (r *MediaRepository) DeleteByLibraryRoot(ctx context.Context, libraryID, ro
 		Delete(&model.Media{}).Error
 }
 
-// PurgeByLibrary permanently removes media tied to a library. Used for virtual
-// cloud mounts where "remove mount" must not populate the recycle bin.
+// PurgeByLibrary permanently removes media tied to a library. Used when
+// removing a library or virtual mount so indexed rows are dropped immediately.
 func (r *MediaRepository) PurgeByLibrary(ctx context.Context, libraryID string) error {
 	return r.db.WithContext(ctx).Unscoped().Where("library_id = ?", libraryID).Delete(&model.Media{}).Error
 }

internal/repository/media_repository_upsert.go

@@ -23,12 +23,34 @@ import (
 //     永远捞不到数据。
 func (r *MediaRepository) Upsert(ctx context.Context, m *model.Media) error {
 	return withSQLiteBusyRetry(ctx, func() error {
-		return r.upsert(ctx, m)
+		return r.upsertWithDB(ctx, r.db, m)
 	})
 }
 
-func (r *MediaRepository) upsert(ctx context.Context, m *model.Media) error {
-	existing, created, err := r.findOrCreateMediaByPath(ctx, m)
+// UpsertBatch 在单个事务里逐条执行 Upsert：扫描一批只提交（fsync）一次，
+// 而不是每条一个隐式事务。任一条目落库失败不影响批内已成功的条目——
+// 事务回滚后由调用方退回逐条 Upsert 兜底。
+func (r *MediaRepository) UpsertBatch(ctx context.Context, items []*model.Media) error {
+	if len(items) == 0 {
+		return nil
+	}
+	return withSQLiteBusyRetry(ctx, func() error {
+		return r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
+			for _, m := range items {
+				if m == nil {
+					continue
+				}
+				if err := r.upsertWithDB(ctx, tx, m); err != nil {
+					return err
+				}
+			}
+			return nil
+		})
+	})
+}
+
+func (r *MediaRepository) upsertWithDB(ctx context.Context, db *gorm.DB, m *model.Media) error {
+	existing, created, err := r.findOrCreateMediaByPath(ctx, db, m)
 	if err != nil {
 		return err
 	}
@@ -38,20 +60,20 @@ func (r *MediaRepository) upsert(ctx context.Context, m *model.Media) error {
 	}
 
 	updates := mediaUpsertUpdates(existing, *m)
-	return r.applyMediaUpsertUpdates(ctx, m, existing, updates)
+	return r.applyMediaUpsertUpdates(ctx, db, m, existing, updates)
 }
 
-func (r *MediaRepository) findOrCreateMediaByPath(ctx context.Context, m *model.Media) (model.Media, bool, error) {
+func (r *MediaRepository) findOrCreateMediaByPath(ctx context.Context, db *gorm.DB, m *model.Media) (model.Media, bool, error) {
 	var existing model.Media
-	err := r.db.WithContext(ctx).Unscoped().Where("path = ?", m.Path).First(&existing).Error
+	err := db.WithContext(ctx).Unscoped().Where("path = ?", m.Path).First(&existing).Error
 	if errors.Is(err, gorm.ErrRecordNotFound) {
 		// 新行：保证 scrape_status 走 GORM default:pending（即留空让数据库填）。
 		if m.ScrapeStatus == "" {
 			m.ScrapeStatus = "pending"
 		}
-		if createErr := r.db.WithContext(ctx).Create(m).Error; createErr == nil {
+		if createErr := db.WithContext(ctx).Create(m).Error; createErr == nil {
 			return *m, true, nil
-		} else if retryErr := r.db.WithContext(ctx).Unscoped().Where("path = ?", m.Path).First(&existing).Error; retryErr != nil {
+		} else if retryErr := db.WithContext(ctx).Unscoped().Where("path = ?", m.Path).First(&existing).Error; retryErr != nil {
 			return model.Media{}, false, createErr
 		}
 	}
@@ -237,12 +259,12 @@ func setNonEmptyMediaString(updates map[string]any, key, current, next string) {
 	}
 }
 
-func (r *MediaRepository) applyMediaUpsertUpdates(ctx context.Context, m *model.Media, existing model.Media, updates map[string]any) error {
+func (r *MediaRepository) applyMediaUpsertUpdates(ctx context.Context, db *gorm.DB, m *model.Media, existing model.Media, updates map[string]any) error {
 	if len(updates) == 0 {
 		*m = existing
 		return nil
 	}
-	if err := r.db.WithContext(ctx).Unscoped().Model(&model.Media{}).
+	if err := db.WithContext(ctx).Unscoped().Model(&model.Media{}).
 		Where("id = ?", existing.ID).Updates(updates).Error; err != nil {
 		return err
 	}

internal/service/audit.go

@@ -12,6 +12,7 @@ import (
 
 	"go.uber.org/zap"
 
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/model"
 	"github.com/truewhile/MeBox/internal/repository"
 )
@@ -50,6 +51,8 @@ func (a *AuditService) RecordBestEffort(userID, action, target, ip, detail strin
 	go func() {
 		ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
 		defer cancel()
-		a.Record(ctx, userID, action, target, ip, detail)
+		helper.Run(a.log, "audit.record", func() {
+			a.Record(ctx, userID, action, target, ip, detail)
+		})
 	}()
 }

internal/service/auth.go

@@ -13,6 +13,7 @@ import (
 	"golang.org/x/crypto/bcrypt"
 
 	"github.com/truewhile/MeBox/internal/config"
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/model"
 	"github.com/truewhile/MeBox/internal/repository"
 )
@@ -176,9 +177,11 @@ func (s *AuthService) touchLoginBestEffort(userID string) {
 	go func() {
 		ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
 		defer cancel()
-		if err := s.repo.User.TouchLogin(ctx, userID); err != nil && s.log != nil {
-			s.log.Debug("touch login delayed", zap.String("user_id", userID), zap.Error(err))
-		}
+		helper.Run(s.log, "auth.touchLogin", func() {
+			if err := s.repo.User.TouchLogin(ctx, userID); err != nil && s.log != nil {
+				s.log.Debug("touch login delayed", zap.String("user_id", userID), zap.Error(err))
+			}
+		})
 	}()
 }
 

internal/service/emby_counts.go

@@ -54,7 +54,7 @@ func (e *EmbyService) countVisibleSeries(ctx context.Context, userID string) (in
 		for i := range rows {
 			key := strings.TrimSpace(rows[i].SeriesID)
 			if key == "" {
-				key = stableEmbyID(embyVirtualSeriesPrefix, rows[i].LibraryID, e.seriesNameForMedia(&rows[i]))
+				key = stableEmbyID(embyVirtualSeriesPrefix, rows[i].LibraryID, e.seriesNameForMedia(ctx, &rows[i]))
 			}
 			seen[key] = struct{}{}
 		}

internal/service/emby_items_cache.go

@@ -49,7 +49,7 @@ func (e *EmbyService) embyLatestCacheKey(userID, parentID string, limit int) str
 
 func (e *EmbyService) mediaCacheTTLSeconds() int {
 	if e == nil || e.cfg == nil || e.cfg.Cache.MediaTTLSeconds < 1 {
-		return 15
+		return 90
 	}
 	return e.cfg.Cache.MediaTTLSeconds
 }

internal/service/emby_items_detail.go

@@ -98,7 +98,8 @@ func (e *EmbyService) Item(ctx context.Context, mediaID, userID string) (map[str
 			pos = h.PositionMs
 		}
 	}
-	return e.itemPayload(ctx, m, fav, pos), nil
+	// 单条目 payload 内部对库类型/series 标题有多次查找，挂请求级缓存合并。
+	return e.itemPayload(e.withPayloadCache(ctx), m, fav, pos), nil
 }
 
 // LatestItems 最近添加，全库或指定库。远程媒体库(parentID 带前缀)直接透传远程。
@@ -177,7 +178,7 @@ func (e *EmbyService) latestSeriesItemsForLibrary(ctx context.Context, userID, l
 	if err := q.Order(mediaReleaseOrderSQL(true)).Limit(embySeriesGroupingLimit).Find(&rows).Error; err != nil {
 		return nil, err
 	}
-	groups := e.seriesGroupsFromMedia(rows)
+	groups := e.seriesGroupsFromMedia(ctx, rows)
 	sortSeriesGroups(groups, ItemsParams{SortBy: "premieredate", SortOrder: "Descending"})
 	if len(groups) > limit {
 		groups = groups[:limit]
@@ -415,9 +416,9 @@ func (e *EmbyService) itemPayload(ctx context.Context, m *model.Media, fav bool,
 	seasonID := ""
 	if e.mediaShouldBeEpisode(ctx, m) {
 		itemType = "Episode"
-		seriesID = e.seriesIDForMedia(m)
-		seriesName = e.seriesNameForMedia(m)
-		seasonID = e.seasonIDForMedia(m)
+		seriesID = e.seriesIDForMedia(ctx, m)
+		seriesName = e.seriesNameForMedia(ctx, m)
+		seasonID = e.seasonIDForMedia(ctx, m)
 		parentID = seasonID
 		episodeTitle := strings.TrimSpace(m.EpisodeTitle)
 		if episodeTitle != "" {

internal/service/emby_items_list.go

@@ -149,6 +149,9 @@ func (e *EmbyService) episodeItems(ctx context.Context, rows []model.Media, p It
 }
 
 func (e *EmbyService) payloadsForMedia(ctx context.Context, rows []model.Media, userID string) ([]map[string]any, error) {
+	// 请求级缓存：库类型与 series 标题整页只查一次，消除逐条目 N+1。
+	ctx = e.withPayloadCache(ctx)
+	e.prefetchPayloadCache(ctx, rows)
 	rows = e.collapseMediaVersionRows(ctx, rows)
 	userFavs := map[string]bool{}
 	userPos := map[string]int64{}
@@ -240,7 +243,7 @@ func (e *EmbyService) seriesItemsForLibrary(ctx context.Context, libraryID strin
 	if err := q.Order(mediaReleaseOrderSQL(true)).Limit(embySeriesGroupingLimit).Find(&rows).Error; err != nil {
 		return nil, err
 	}
-	groups := e.seriesGroupsFromMedia(rows)
+	groups := e.seriesGroupsFromMedia(ctx, rows)
 	sortSeriesGroups(groups, p)
 	total := len(groups)
 	items := make([]map[string]any, 0, minInt(p.Limit, len(groups)))

internal/service/emby_movie_items.go

@@ -65,7 +65,7 @@ func (e *EmbyService) movieLibraryItems(ctx context.Context, p ItemsParams) (map
 			return nil, err
 		}
 	}
-	seriesGroups := e.seriesGroupsFromMedia(episodicRows)
+	seriesGroups := e.seriesGroupsFromMedia(ctx, episodicRows)
 
 	// 真正的电影 -> Movie 项(剔除剧集结构行)。
 	movieQ := apply(e.repo.DB.WithContext(ctx).Model(&model.Media{}))
@@ -135,10 +135,11 @@ func (e *EmbyService) libraryIsEpisodic(ctx context.Context, libraryID string) (
 	if strings.TrimSpace(libraryID) == "" {
 		return false, nil
 	}
-	if lib, err := e.repo.Library.FindByID(ctx, libraryID); err != nil {
+	// 走请求级缓存（若有），避免同一请求内对同一库重复查表。
+	if typ, ok, err := e.payloadLibraryType(ctx, libraryID); err != nil {
 		return false, err
-	} else if lib != nil {
-		return embyLibraryTypeIsEpisodic(lib.Type), nil
+	} else if ok {
+		return embyLibraryTypeIsEpisodic(typ), nil
 	}
 	var count int64
 	err := e.repo.DB.WithContext(ctx).Model(&model.Media{}).
@@ -151,11 +152,11 @@ func (e *EmbyService) mediaBelongsToEpisodicLibrary(ctx context.Context, m *mode
 	if e == nil || m == nil || strings.TrimSpace(m.LibraryID) == "" {
 		return false
 	}
-	lib, err := e.repo.Library.FindByID(ctx, m.LibraryID)
-	if err != nil || lib == nil {
+	typ, ok, err := e.payloadLibraryType(ctx, m.LibraryID)
+	if err != nil || !ok {
 		return false
 	}
-	return embyLibraryTypeIsEpisodic(lib.Type)
+	return embyLibraryTypeIsEpisodic(typ)
 }
 
 func (e *EmbyService) mediaShouldBeEpisode(ctx context.Context, m *model.Media) bool {

internal/service/emby_payload_ctx.go

@@ -0,0 +1,175 @@
+package service
+
+import (
+	"context"
+	"errors"
+	"strings"
+	"sync"
+
+	"gorm.io/gorm"
+
+	"github.com/truewhile/MeBox/internal/model"
+)
+
+// 请求级 payload 构建缓存：/Items 列表为每行构建 payload 时，
+// mediaShouldBeEpisode 需要库类型、剧集 payload 需要 series 标题。
+// 一次页面请求内这些值高度重复（同一库、同一部剧），挂在 ctx 上的
+// 小缓存可以把每条目 2-3 次 DB 查询降为整个请求各 1 次预取。
+
+type embyPayloadCacheKey struct{}
+
+type embyLibraryTypeEntry struct {
+	typ   string
+	found bool // 库不存在时 found=false，调用方可退回计数启发式
+}
+
+type embyPayloadCache struct {
+	mu       sync.Mutex
+	libTypes map[string]embyLibraryTypeEntry
+	series   map[string]string // series_id -> title（"" 表示不存在/无标题）
+}
+
+func (c *embyPayloadCache) libraryType(id string) (embyLibraryTypeEntry, bool) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	entry, ok := c.libTypes[id]
+	return entry, ok
+}
+
+func (c *embyPayloadCache) setLibraryType(id string, entry embyLibraryTypeEntry) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	c.libTypes[id] = entry
+}
+
+func (c *embyPayloadCache) seriesTitle(id string) (string, bool) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	title, ok := c.series[id]
+	return title, ok
+}
+
+func (c *embyPayloadCache) setSeriesTitle(id, title string) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	c.series[id] = title
+}
+
+// withPayloadCache attaches a fresh request-scoped cache if none exists yet.
+func (e *EmbyService) withPayloadCache(ctx context.Context) context.Context {
+	if e == nil || e.repo == nil {
+		return ctx
+	}
+	if ctx.Value(embyPayloadCacheKey{}) != nil {
+		return ctx
+	}
+	return context.WithValue(ctx, embyPayloadCacheKey{}, &embyPayloadCache{
+		libTypes: map[string]embyLibraryTypeEntry{},
+		series:   map[string]string{},
+	})
+}
+
+// prefetchPayloadCache warms the cache for the given media rows with two bulk
+// queries (library types, series titles) instead of per-item lookups.
+func (e *EmbyService) prefetchPayloadCache(ctx context.Context, rows []model.Media) {
+	cache, ok := ctx.Value(embyPayloadCacheKey{}).(*embyPayloadCache)
+	if !ok || len(rows) == 0 {
+		return
+	}
+	libIDs := make([]string, 0, 8)
+	seriesIDs := make([]string, 0, 8)
+	seenLib := map[string]struct{}{}
+	seenSeries := map[string]struct{}{}
+	for i := range rows {
+		row := &rows[i]
+		if id := strings.TrimSpace(row.LibraryID); id != "" {
+			if _, done := seenLib[id]; !done {
+				// 已在缓存中的库不必再查。
+				if _, hit := cache.libraryType(id); !hit {
+					seenLib[id] = struct{}{}
+					libIDs = append(libIDs, id)
+				}
+			}
+		}
+		if id := strings.TrimSpace(row.SeriesID); id != "" {
+			if _, done := seenSeries[id]; !done {
+				if _, hit := cache.seriesTitle(id); !hit {
+					seenSeries[id] = struct{}{}
+					seriesIDs = append(seriesIDs, id)
+				}
+			}
+		}
+	}
+	if len(libIDs) > 0 {
+		var libs []model.Library
+		if err := e.repo.DB.WithContext(ctx).Select("id, type").Where("id IN ?", libIDs).Find(&libs).Error; err == nil {
+			found := map[string]string{}
+			for _, lib := range libs {
+				found[lib.ID] = lib.Type
+			}
+			for _, id := range libIDs {
+				typ, ok := found[id]
+				cache.setLibraryType(id, embyLibraryTypeEntry{typ: typ, found: ok})
+			}
+		}
+	}
+	if len(seriesIDs) > 0 {
+		var series []model.Series
+		if err := e.repo.DB.WithContext(ctx).Select("id, title").Where("id IN ?", seriesIDs).Find(&series).Error; err == nil {
+			for _, s := range series {
+				cache.setSeriesTitle(s.ID, s.Title)
+			}
+		}
+	}
+}
+
+// payloadLibraryType resolves a library type through the request cache,
+// falling back to a direct lookup when no cache is attached. found=false
+// means the library row does not exist (soft-deleted or orphaned id).
+func (e *EmbyService) payloadLibraryType(ctx context.Context, libraryID string) (typ string, found bool, err error) {
+	if cache, ok := ctx.Value(embyPayloadCacheKey{}).(*embyPayloadCache); ok {
+		if entry, hit := cache.libraryType(libraryID); hit {
+			return entry.typ, entry.found, nil
+		}
+		var lib model.Library
+		if dbErr := e.repo.DB.WithContext(ctx).Select("id, type").Where("id = ?", libraryID).First(&lib).Error; dbErr != nil {
+			cache.setLibraryType(libraryID, embyLibraryTypeEntry{})
+			return "", false, nil
+		}
+		cache.setLibraryType(lib.ID, embyLibraryTypeEntry{typ: lib.Type, found: true})
+		return lib.Type, true, nil
+	}
+	var lib model.Library
+	if err = e.repo.DB.WithContext(ctx).Select("id, type").Where("id = ?", libraryID).First(&lib).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return "", false, nil
+		}
+		return "", false, err
+	}
+	return lib.Type, true, nil
+}
+
+// payloadSeriesTitle resolves a series title through the request cache,
+// falling back to a direct lookup when no cache is attached.
+func (e *EmbyService) payloadSeriesTitle(ctx context.Context, seriesID string) (string, bool, error) {
+	if cache, ok := ctx.Value(embyPayloadCacheKey{}).(*embyPayloadCache); ok {
+		if title, hit := cache.seriesTitle(seriesID); hit {
+			return title, true, nil
+		}
+		var s model.Series
+		if err := e.repo.DB.WithContext(ctx).Select("id, title").Where("id = ?", seriesID).First(&s).Error; err != nil {
+			cache.setSeriesTitle(seriesID, "")
+			return "", true, nil
+		}
+		cache.setSeriesTitle(s.ID, s.Title)
+		return s.Title, true, nil
+	}
+	series, err := e.repo.Series.FindByID(ctx, seriesID)
+	if err != nil {
+		return "", false, err
+	}
+	if series == nil {
+		return "", false, nil
+	}
+	return series.Title, true, nil
+}

internal/service/emby_remote_web.go

@@ -18,6 +18,7 @@ import (
 
 	"go.uber.org/zap"
 
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/model"
 )
 
@@ -609,32 +610,34 @@ func (r *EmbyRemoteService) RemoteSearchMedia(ctx context.Context, query string,
 				return
 			}
 
-			q := url.Values{}
-			q.Set("ParentId", target.mount.RemoteViewID)
-			q.Set("Recursive", "true")
-			q.Set("SearchTerm", query)
-			q.Set("IncludeItemTypes", "Movie,Series")
-			q.Set("Fields", "Overview,Genres,ProviderIds,Path,SeriesPrimaryImage,MediaStreams,MediaSources,DateCreated,PremiereDate,ProductionYear,CommunityRating,CriticRating")
-			q.Set("Limit", strconv.Itoa(limit))
-			q.Set("StartIndex", "0")
+			helper.Run(r.log, "emby.remoteSearch", func() {
+				q := url.Values{}
+				q.Set("ParentId", target.mount.RemoteViewID)
+				q.Set("Recursive", "true")
+				q.Set("SearchTerm", query)
+				q.Set("IncludeItemTypes", "Movie,Series")
+				q.Set("Fields", "Overview,Genres,ProviderIds,Path,SeriesPrimaryImage,MediaStreams,MediaSources,DateCreated,PremiereDate,ProductionYear,CommunityRating,CriticRating")
+				q.Set("Limit", strconv.Itoa(limit))
+				q.Set("StartIndex", "0")
 
-			var body struct {
-				Items []map[string]any `json:"Items"`
-			}
-			if err := r.doGet(searchCtx, target.acct, target.cfg, "/Users/"+url.PathEscape(r.remoteUserID(target.cfg))+"/Items", q, &body); err != nil {
-				if r.log != nil {
-					r.log.Warn("remote search failed",
-						zap.String("mount", target.mount.RemoteViewName), zap.Error(err))
+				var body struct {
+					Items []map[string]any `json:"Items"`
 				}
-				return
-			}
-			medias := make([]model.Media, 0, len(body.Items))
-			for _, it := range body.Items {
-				RewriteEmbyRemoteIDs(it, target.mount.ID)
-				m := r.MapRemoteItemToMedia(searchCtx, &target.mount, target.acct, target.cfg, it)
-				medias = append(medias, m)
-			}
-			results[idx] = searchResult{items: medias}
+				if err := r.doGet(searchCtx, target.acct, target.cfg, "/Users/"+url.PathEscape(r.remoteUserID(target.cfg))+"/Items", q, &body); err != nil {
+					if r.log != nil {
+						r.log.Warn("remote search failed",
+							zap.String("mount", target.mount.RemoteViewName), zap.Error(err))
+					}
+					return
+				}
+				medias := make([]model.Media, 0, len(body.Items))
+				for _, it := range body.Items {
+					RewriteEmbyRemoteIDs(it, target.mount.ID)
+					m := r.MapRemoteItemToMedia(searchCtx, &target.mount, target.acct, target.cfg, it)
+					medias = append(medias, m)
+				}
+				results[idx] = searchResult{items: medias}
+			})
 		}(i, t)
 	}
 	wg.Wait()

internal/service/emby_series.go

@@ -49,11 +49,15 @@ func (e *EmbyService) findSeriesGroup(ctx context.Context, id, userID string) (e
 	q = e.applyUserMediaVisibility(ctx, q, userID)
 	if !strings.HasPrefix(id, embyVirtualSeriesPrefix) {
 		q = q.Where("series_id = ?", id)
+	} else {
+		// 虚拟 series ID 只可能来自 series_id 为空的媒体：
+		// 有 series_id 时分组 key 就是 series_id 本身（UUID，不带虚拟前缀）。
+		q = q.Where("series_id IS NULL OR series_id = ''")
 	}
 	if err := q.Order("media.season_num asc, media.episode_num asc, media.created_at asc").Limit(embySeriesGroupingLimit).Find(&rows).Error; err != nil {
 		return embySeriesGroup{}, false, err
 	}
-	for _, group := range e.seriesGroupsFromMedia(rows) {
+	for _, group := range e.seriesGroupsFromMedia(ctx, rows) {
 		if group.ID == id {
 			e.rememberSeriesGroup(group)
 			return group, true, nil
@@ -88,9 +92,18 @@ func (e *EmbyService) findSeasonGroup(ctx context.Context, id, userID string) (e
 	if season, ok := e.cachedSeasonGroup(id); ok {
 		return season, true, nil
 	}
+	// 虚拟 Season ID 是 hash(seriesKey, seasonNum)，无法反解出 series。
+	// 常见情况（已刮削、series_id 非空）先用一条小型 DISTINCT 查询枚举候选对，
+	// 在内存中算哈希匹配，命中后只加载该一部剧的剧集行，避免整库扫描。
+	if season, ok, err := e.findSeasonGroupBySeriesCandidates(ctx, id, userID); err != nil {
+		return embySeasonGroup{}, false, err
+	} else if ok {
+		return season, true, nil
+	}
+	// 回退：未刮削（series_id 为空，虚拟 key 由库名+名称派生）的媒体只能全量分组。
 	var rows []model.Media
 	q := e.repo.DB.WithContext(ctx).Model(&model.Media{}).
-		Where("season_num > 0 OR episode_num > 0")
+		Where("(series_id IS NULL OR series_id = '') AND (season_num > 0 OR episode_num > 0)")
 	q = e.applyUserMediaVisibility(ctx, q, userID)
 	if err := q.
 		Order("media.season_num asc, media.episode_num asc, media.created_at asc").
@@ -98,7 +111,7 @@ func (e *EmbyService) findSeasonGroup(ctx context.Context, id, userID string) (e
 		Find(&rows).Error; err != nil {
 		return embySeasonGroup{}, false, err
 	}
-	for _, series := range e.seriesGroupsFromMedia(rows) {
+	for _, series := range e.seriesGroupsFromMedia(ctx, rows) {
 		for _, season := range e.seasonsForSeries(series) {
 			if season.ID == id {
 				e.rememberSeriesGroup(series)
@@ -109,18 +122,77 @@ func (e *EmbyService) findSeasonGroup(ctx context.Context, id, userID string) (e
 	return embySeasonGroup{}, false, nil
 }
 
-func (e *EmbyService) seriesGroupsFromMedia(rows []model.Media) []embySeriesGroup {
+// findSeasonGroupBySeriesCandidates resolves virtual season IDs for media that
+// carry a real series_id: enumerate distinct (series_id, season_num) pairs via
+// SQL, hash each candidate to find the matching season, then load only that
+// one series' episodes.
+func (e *EmbyService) findSeasonGroupBySeriesCandidates(ctx context.Context, id, userID string) (embySeasonGroup, bool, error) {
+	type seasonCandidate struct {
+		SeriesID  string
+		SeasonNum int
+	}
+	var candidates []seasonCandidate
+	q := e.repo.DB.WithContext(ctx).Model(&model.Media{}).
+		Select("DISTINCT series_id, season_num").
+		Where("series_id <> '' AND (season_num > 0 OR episode_num > 0)")
+	q = e.applyUserMediaVisibility(ctx, q, userID)
+	if err := q.Find(&candidates).Error; err != nil {
+		return embySeasonGroup{}, false, err
+	}
+	matched := make([]string, 0, 1)
+	for _, cand := range candidates {
+		if seasonID(cand.SeriesID, cand.SeasonNum) == id {
+			matched = append(matched, cand.SeriesID)
+		}
+	}
+	for _, matchedSeries := range matched {
+		season, ok, err := e.seasonGroupForSeries(ctx, id, matchedSeries, userID)
+		if err != nil || ok {
+			return season, ok, err
+		}
+	}
+	return embySeasonGroup{}, false, nil
+}
+
+// seasonGroupForSeries rebuilds the season groups of one series (small row
+// set) and returns the one matching the virtual season id.
+func (e *EmbyService) seasonGroupForSeries(ctx context.Context, id, seriesID, userID string) (embySeasonGroup, bool, error) {
+	var rows []model.Media
+	rq := e.repo.DB.WithContext(ctx).Model(&model.Media{}).
+		Where("series_id = ? AND (season_num > 0 OR episode_num > 0)", seriesID)
+	rq = e.applyUserMediaVisibility(ctx, rq, userID)
+	if err := rq.
+		Order("media.season_num asc, media.episode_num asc, media.created_at asc").
+		Limit(embySeriesGroupingLimit).
+		Find(&rows).Error; err != nil {
+		return embySeasonGroup{}, false, err
+	}
+	for _, series := range e.seriesGroupsFromMedia(ctx, rows) {
+		if series.ID != seriesID {
+			continue
+		}
+		for _, season := range e.seasonsForSeries(series) {
+			if season.ID == id {
+				e.rememberSeriesGroup(series)
+				return season, true, nil
+			}
+		}
+	}
+	return embySeasonGroup{}, false, nil
+}
+
+func (e *EmbyService) seriesGroupsFromMedia(ctx context.Context, rows []model.Media) []embySeriesGroup {
 	byID := map[string]*embySeriesGroup{}
 	order := []string{}
 	for _, row := range rows {
 		row := row
-		seriesID := e.seriesIDForMedia(&row)
+		seriesID := e.seriesIDForMedia(ctx, &row)
 		group, ok := byID[seriesID]
 		if !ok {
 			group = &embySeriesGroup{
 				ID:          seriesID,
 				LibraryID:   row.LibraryID,
-				Name:        e.seriesNameForMedia(&row),
+				Name:        e.seriesNameForMedia(ctx, &row),
 				Year:        row.Year,
 				ReleaseDate: row.ReleaseDate,
 				TMDbID:      row.TMDbID,

internal/service/emby_series_ids.go

@@ -14,21 +14,22 @@ import (
 	"github.com/truewhile/MeBox/internal/model"
 )
 
-func (e *EmbyService) seriesIDForMedia(m *model.Media) string {
+func (e *EmbyService) seriesIDForMedia(ctx context.Context, m *model.Media) string {
 	if strings.TrimSpace(m.SeriesID) != "" {
 		return m.SeriesID
 	}
-	return stableEmbyID(embyVirtualSeriesPrefix, m.LibraryID, e.seriesNameForMedia(m))
+	return stableEmbyID(embyVirtualSeriesPrefix, m.LibraryID, e.seriesNameForMedia(ctx, m))
 }
 
-func (e *EmbyService) seasonIDForMedia(m *model.Media) string {
-	return seasonID(e.seriesIDForMedia(m), m.SeasonNum)
+func (e *EmbyService) seasonIDForMedia(ctx context.Context, m *model.Media) string {
+	return seasonID(e.seriesIDForMedia(ctx, m), m.SeasonNum)
 }
 
-func (e *EmbyService) seriesNameForMedia(m *model.Media) string {
+func (e *EmbyService) seriesNameForMedia(ctx context.Context, m *model.Media) string {
 	if strings.TrimSpace(m.SeriesID) != "" {
-		if series, err := e.repo.Series.FindByID(context.Background(), m.SeriesID); err == nil && series != nil && strings.TrimSpace(series.Title) != "" {
-			return series.Title
+		// 走请求级缓存；无缓存 ctx 时退化为单次查询。
+		if title, ok, err := e.payloadSeriesTitle(ctx, m.SeriesID); err == nil && ok && strings.TrimSpace(title) != "" {
+			return title
 		}
 	}
 	if strings.EqualFold(strings.TrimSpace(m.ScrapeStatus), "matched") && strings.TrimSpace(m.Title) != "" {

internal/service/ffmpeg_tools.go

@@ -21,6 +21,7 @@ import (
 	"go.uber.org/zap"
 
 	"github.com/truewhile/MeBox/internal/config"
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/repository"
 )
 
@@ -152,7 +153,7 @@ func (s *FFmpegToolsService) StartInstall(ctx context.Context) error {
 	s.mu.Unlock()
 
 	s.setMessage("准备下载…")
-	go s.runInstall()
+	helper.Go(s.log, "ffmpeg.install", s.runInstall)
 	return nil
 }
 

internal/service/media_cache.go

@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"sort"
 	"strings"
+	"time"
 
 	"github.com/truewhile/MeBox/internal/model"
 	"github.com/truewhile/MeBox/internal/repository"
@@ -70,11 +71,60 @@ func (s *MediaService) seriesCardsCacheKey(libraryID string, visibility MediaVis
 
 func (s *MediaService) mediaCacheTTLSeconds() int {
 	if s == nil || s.cfg == nil || s.cfg.Cache.MediaTTLSeconds < 1 {
-		return 15
+		return 90
 	}
 	return s.cfg.Cache.MediaTTLSeconds
 }
 
+// mediaObjectTTL 对象缓存与字节缓存同 TTL，失效同走 invalidateMediaCache
+// 的 DeletePrefix("media:")（对象存储一并清除）。
+func (s *MediaService) mediaObjectTTL() time.Duration {
+	return time.Duration(s.mediaCacheTTLSeconds()) * time.Second
+}
+
+func hashObjectCacheKey(parts []string) string {
+	sum := sha1.Sum([]byte(strings.Join(parts, "|")))
+	return hex.EncodeToString(sum[:])
+}
+
+// mediaGroupedRowsCacheKey 版本分组源行（已挂库元数据）的对象缓存。
+func (s *MediaService) mediaGroupedRowsCacheKey(libraryID string, libraryIDs []string, filter repository.MediaQueryFilter) string {
+	libs := append([]string(nil), libraryIDs...)
+	sort.Strings(libs)
+	allowed := append([]string(nil), filter.AllowedLibraryIDs...)
+	hidden := append([]string(nil), filter.HiddenLibraryIDs...)
+	sort.Strings(allowed)
+	sort.Strings(hidden)
+	return "media:obj:grouped-rows:" + hashObjectCacheKey([]string{
+		libraryID,
+		strings.Join(libs, ","),
+		fmt.Sprintf("%t", filter.IncludeNSFW),
+		strings.Join(allowed, ","),
+		strings.Join(hidden, ","),
+	})
+}
+
+// libraryRowsCacheKey 整库可见行 + 预计算剧集索引的对象缓存（剧集卡片/剧集
+// 列表共用一次 SQL 加载与一次 key 解析）。
+func (s *MediaService) libraryRowsCacheKey(libraryID string, visibility MediaVisibility) string {
+	allowed := append([]string(nil), visibility.AllowedLibraryIDs...)
+	hidden := append([]string(nil), visibility.HiddenLibraryIDs...)
+	sort.Strings(allowed)
+	sort.Strings(hidden)
+	return "media:obj:library-rows:" + hashObjectCacheKey([]string{
+		libraryID,
+		fmt.Sprintf("%t", visibility.IncludeNSFW),
+		strings.Join(allowed, ","),
+		strings.Join(hidden, ","),
+	})
+}
+
+// libraryCardsObjectKey 系列卡片结果的对象缓存（与 seriesCardsCacheKey 同维度，
+// 换独立前缀避免与字节缓存 key 冲突）。
+func (s *MediaService) libraryCardsObjectKey(libraryID string, visibility MediaVisibility) string {
+	return s.seriesCardsCacheKey(libraryID, visibility) + ":obj"
+}
+
 func (s *MediaService) invalidateMediaCache(ctx context.Context) {
 	if s != nil && s.cache != nil {
 		s.cache.DeletePrefix(ctx, "media:")

internal/service/media_delete.go

@@ -0,0 +1,59 @@
+package service
+
+import (
+	"context"
+	"errors"
+	"os"
+	"strings"
+
+	"go.uber.org/zap"
+	"gorm.io/gorm"
+
+	"github.com/truewhile/MeBox/internal/model"
+)
+
+// DeleteMedia removes a media row from the library index.
+// When deleteFiles is true and the path is a local filesystem file, the media
+// file and its sidecar NFO are also removed. cloud:// paths are never touched on disk.
+func (s *MediaService) DeleteMedia(ctx context.Context, id string, deleteFiles bool) error {
+	var media model.Media
+	err := s.repo.DB.WithContext(ctx).Where("id = ?", id).First(&media).Error
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil
+		}
+		return err
+	}
+
+	if deleteFiles {
+		if err := deleteLocalMediaFiles(s.log, media.Path); err != nil {
+			return err
+		}
+	}
+
+	err = s.repo.DB.WithContext(ctx).Unscoped().Where("id = ?", id).Delete(&model.Media{}).Error
+	if err == nil {
+		s.invalidateMediaCache(ctx)
+	}
+	return err
+}
+
+func deleteLocalMediaFiles(log *zap.Logger, path string) error {
+	path = strings.TrimSpace(path)
+	if path == "" {
+		return nil
+	}
+	if strings.HasPrefix(strings.ToLower(path), "cloud://") {
+		if log != nil {
+			log.Info("skip local file delete for cloud media path", zap.String("path", path))
+		}
+		return nil
+	}
+	if err := removeMediaAndNFO(path); err != nil {
+		if errors.Is(err, os.ErrNotExist) {
+			return nil
+		}
+		return err
+	}
+	return nil
+}

internal/service/media_delete_test.go

@@ -0,0 +1,135 @@
+package service
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"go.uber.org/zap"
+
+	"github.com/truewhile/MeBox/internal/config"
+	"github.com/truewhile/MeBox/internal/model"
+	"github.com/truewhile/MeBox/internal/repository"
+)
+
+func TestDeleteMediaInvalidatesMediaAndStatsCache(t *testing.T) {
+	db := newServiceTestDB(t, &model.Media{})
+	repos := repository.New(db)
+	media := model.Media{
+		Base:  model.Base{ID: "local-media"},
+		Title: "Cached Movie",
+		Path:  filepath.Join(t.TempDir(), "Cached Movie.mkv"),
+	}
+	if err := repos.DB.Create(&media).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	cache := NewRuntimeCacheService(&config.Config{}, zap.NewNop())
+	cache.SetJSON(t.Context(), "media:list:test", map[string]string{"state": "stale"}, time.Minute)
+	cache.SetJSON(t.Context(), "stats:snapshot:base", map[string]int{"media": 1}, time.Minute)
+	svc := NewMediaService(&config.Config{}, zap.NewNop(), repos).SetRuntimeCache(cache)
+	if err := svc.DeleteMedia(t.Context(), media.ID, false); err != nil {
+		t.Fatal(err)
+	}
+
+	var mediaCache map[string]string
+	if cache.GetJSON(t.Context(), "media:list:test", &mediaCache) {
+		t.Fatal("delete should invalidate media cache")
+	}
+	var statsCache map[string]int
+	if cache.GetJSON(t.Context(), "stats:snapshot:base", &statsCache) {
+		t.Fatal("delete should invalidate stats cache")
+	}
+	var count int64
+	if err := db.Unscoped().Model(&model.Media{}).Where("id = ?", media.ID).Count(&count).Error; err != nil {
+		t.Fatal(err)
+	}
+	if count != 0 {
+		t.Fatalf("media row still present, count=%d", count)
+	}
+}
+
+func TestDeleteMediaRemovesLocalFilesWhenRequested(t *testing.T) {
+	db := newServiceTestDB(t, &model.Media{})
+	repos := repository.New(db)
+	dir := t.TempDir()
+	mediaPath := filepath.Join(dir, "Movie.mkv")
+	nfo := filepath.Join(dir, "Movie.nfo")
+	if err := os.WriteFile(mediaPath, []byte("video"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(nfo, []byte("nfo"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	media := model.Media{
+		Base:  model.Base{ID: "local-delete-files"},
+		Title: "Movie",
+		Path:  mediaPath,
+	}
+	if err := repos.DB.Create(&media).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	svc := NewMediaService(&config.Config{}, zap.NewNop(), repos)
+	if err := svc.DeleteMedia(t.Context(), media.ID, true); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := os.Stat(mediaPath); !os.IsNotExist(err) {
+		t.Fatalf("expected media file removed, err=%v", err)
+	}
+	if _, err := os.Stat(nfo); !os.IsNotExist(err) {
+		t.Fatalf("expected nfo removed, err=%v", err)
+	}
+}
+
+func TestDeleteMediaKeepsLocalFilesByDefault(t *testing.T) {
+	db := newServiceTestDB(t, &model.Media{})
+	repos := repository.New(db)
+	dir := t.TempDir()
+	mediaPath := filepath.Join(dir, "Keep.mkv")
+	if err := os.WriteFile(mediaPath, []byte("video"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	media := model.Media{
+		Base:  model.Base{ID: "keep-files"},
+		Title: "Keep",
+		Path:  mediaPath,
+	}
+	if err := repos.DB.Create(&media).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	svc := NewMediaService(&config.Config{}, zap.NewNop(), repos)
+	if err := svc.DeleteMedia(t.Context(), media.ID, false); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := os.Stat(mediaPath); err != nil {
+		t.Fatalf("expected media file kept, err=%v", err)
+	}
+}
+
+func TestDeleteMediaSkipsCloudPaths(t *testing.T) {
+	db := newServiceTestDB(t, &model.Media{})
+	repos := repository.New(db)
+	media := model.Media{
+		Base:  model.Base{ID: "cloud-media"},
+		Title: "Cloud",
+		Path:  "cloud://openlist/Movie.mkv",
+	}
+	if err := repos.DB.Create(&media).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	svc := NewMediaService(&config.Config{}, zap.NewNop(), repos)
+	if err := svc.DeleteMedia(t.Context(), media.ID, true); err != nil {
+		t.Fatal(err)
+	}
+	var count int64
+	if err := db.Unscoped().Model(&model.Media{}).Where("id = ?", media.ID).Count(&count).Error; err != nil {
+		t.Fatal(err)
+	}
+	if count != 0 {
+		t.Fatalf("cloud media row still present, count=%d", count)
+	}
+}

internal/service/media_library.go

@@ -100,14 +100,21 @@ func (s *MediaService) ListLibrariesWithPreview(ctx context.Context, libraries [
 		if len(items) == 0 {
 			continue
 		}
-		cards := groupMediaSeriesCards(items)
-		if len(cards) > cardLimit {
-			cards = cards[:cardLimit]
-		}
-		if cards == nil {
-			cards = []SeriesCard{}
-		}
-		out[i].Cards = cards
+			cards := groupMediaSeriesCards(items)
+			// 如果折叠后的作品部数不足 cardLimit，且该库总记录数大于当前提取的条目数，
+			// 说明多集剧集折叠占满了提取窗口，调用 ListLibrarySeriesCards 补齐完整的影视部数。
+			if len(cards) < cardLimit && out[i].Total > int64(len(items)) {
+				if fullCards, _, err := s.ListLibrarySeriesCards(ctx, out[i].ID, visibility); err == nil && len(fullCards) > 0 {
+					cards = fullCards
+				}
+			}
+			if len(cards) > cardLimit {
+				cards = cards[:cardLimit]
+			}
+			if cards == nil {
+				cards = []SeriesCard{}
+			}
+			out[i].Cards = cards
 	}
 
 	if s.cache != nil {

internal/service/media_library_test.go

@@ -92,3 +92,66 @@ func TestListLibrariesWithPreview(t *testing.T) {
 		t.Errorf("preview[1].Cards[0].Count = %d, want 12", previews[1].Cards[0].Count)
 	}
 }
+
+func TestListLibrariesWithPreviewLongSeriesCompletion(t *testing.T) {
+	db := newServiceTestDB(t, &model.Library{}, &model.Media{})
+	repos := repository.New(db)
+
+	lib := model.Library{Name: "剧集库", Path: "/media/tv", Type: "tv", Enabled: true}
+	if err := repos.Library.Create(t.Context(), &lib); err != nil {
+		t.Fatal(err)
+	}
+
+	now := time.Date(2026, 7, 2, 12, 0, 0, 0, time.UTC)
+	var rows []model.Media
+
+	// 1. 添加一部更早入库的短剧（2 集），如果按窗口 60 条限制，排在第 70 集之后，无法被初始窗口截取
+	for i := 1; i <= 2; i++ {
+		rows = append(rows, model.Media{
+			Base:       model.Base{ID: fmt.Sprintf("short-ep-%02d", i), CreatedAt: now.Add(-time.Duration(100-i) * time.Minute)},
+			LibraryID:  lib.ID,
+			Title:      fmt.Sprintf("经典短剧 第%d集", i),
+			Path:       fmt.Sprintf("/media/tv/经典短剧/Season 01/经典短剧.S01E%02d.mp4", i),
+			SeasonNum:  1,
+			EpisodeNum: i,
+		})
+	}
+
+	// 2. 添加一部最新入库的 70 集长篇连续剧，这 70 篇全在新入库时间线上
+	for i := 1; i <= 70; i++ {
+		rows = append(rows, model.Media{
+			Base:       model.Base{ID: fmt.Sprintf("long-ep-%02d", i), CreatedAt: now.Add(time.Duration(i) * time.Minute)},
+			LibraryID:  lib.ID,
+			Title:      fmt.Sprintf("大长篇连续剧 第%d集", i),
+			Path:       fmt.Sprintf("/media/tv/大长篇连续剧/Season 01/大长篇连续剧.S01E%02d.mp4", i),
+			SeasonNum:  1,
+			EpisodeNum: i,
+		})
+	}
+
+	if err := repos.DB.Create(&rows).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	svc := NewMediaService(&config.Config{}, zap.NewNop(), repos)
+
+	// 请求 10 部卡片
+	previews, err := svc.ListLibrariesWithPreview(t.Context(), []model.Library{lib}, MediaVisibility{IncludeNSFW: true}, 10)
+	if err != nil {
+		t.Fatalf("ListLibrariesWithPreview failed: %v", err)
+	}
+
+	if len(previews) != 1 {
+		t.Fatalf("got %d previews, want 1", len(previews))
+	}
+
+	// 总媒体行数是 72 行
+	if previews[0].Total != 72 {
+		t.Errorf("previews[0].Total = %d, want 72", previews[0].Total)
+	}
+
+	// 验证自适应补全机制：必须包含 2 部剧集（长篇 + 短剧），而不是因为长篇 70 集占满窗口只显示 1 部
+	if len(previews[0].Cards) != 2 {
+		t.Fatalf("previews[0].Cards count = %d, want 2", len(previews[0].Cards))
+	}
+}

internal/service/media_listing.go

@@ -73,11 +73,15 @@ func (s *MediaService) listMediaVisibleForGrouping(ctx context.Context, libraryI
 		AllowedLibraryIDs: visibility.AllowedLibraryIDs,
 		HiddenLibraryIDs:  visibility.HiddenLibraryIDs,
 	}
-	cacheKey := s.mediaListCacheKey(libraryID, libraryIDs, 0, maxMediaSearchLimit, filter) + ":group-source"
-	var cached mediaListCacheValue
-	if s.cache != nil && s.cache.GetJSON(ctx, cacheKey, &cached) {
-		s.attachLibraryMetadata(ctx, cached.Items)
-		return cached.Items, nil
+	cacheKey := s.mediaGroupedRowsCacheKey(libraryID, libraryIDs, filter)
+	if s.cache != nil {
+		if cachedObj, ok := s.cache.GetObject(cacheKey); ok {
+			if cached, ok := cachedObj.([]model.Media); ok {
+				// 对象缓存中的切片视为不可变；attachLibraryMetadata 会在填充时
+				// 执行过，命中路径直接返回副本即可（调用方只读）。
+				return cached, nil
+			}
+		}
 	}
 	items, total, err := s.repo.Media.ListByLibrariesFiltered(ctx, libraryIDs, 0, maxMediaSearchLimit, filter)
 	if err != nil {
@@ -91,7 +95,7 @@ func (s *MediaService) listMediaVisibleForGrouping(ctx context.Context, libraryI
 	}
 	s.attachLibraryMetadata(ctx, items)
 	if s.cache != nil {
-		s.cache.SetJSON(ctx, cacheKey, mediaListCacheValue{Items: items, Total: total}, time.Duration(s.mediaCacheTTLSeconds())*time.Second)
+		s.cache.SetObject(cacheKey, items, s.mediaObjectTTL())
 	}
 	return items, nil
 }

internal/service/media_recycle.go

@@ -1,91 +0,0 @@
-package service
-
-import (
-	"context"
-
-	"gorm.io/gorm"
-
-	"github.com/truewhile/MeBox/internal/model"
-)
-
-const maxRecycleBinRecords = 200
-
-// SoftDelete 物理删除媒体记录（统一硬删除以降低 SQLite 存储与索引压力）。
-func (s *MediaService) SoftDelete(ctx context.Context, id string) error {
-	err := s.repo.DB.WithContext(ctx).Unscoped().Where("id = ?", id).Delete(&model.Media{}).Error
-	if err == nil {
-		s.invalidateMediaCache(ctx)
-	}
-	return err
-}
-
-// RestoreDeleted unsets DeletedAt for a single media row.
-func (s *MediaService) RestoreDeleted(ctx context.Context, id string) error {
-	err := s.repo.DB.WithContext(ctx).Unscoped().Model(&model.Media{}).
-		Where("id = ?", id).Update("deleted_at", nil).Error
-	if err == nil {
-		s.invalidateMediaCache(ctx)
-	}
-	return err
-}
-
-// ListRecycleBin returns every soft-deleted row, newest first.
-func (s *MediaService) ListRecycleBin(ctx context.Context, limit int) ([]model.Media, error) {
-	if err := pruneRecycleBinRows(ctx, s.repo.DB, maxRecycleBinRecords); err != nil {
-		return nil, err
-	}
-	if limit <= 0 || limit > maxRecycleBinRecords {
-		limit = maxRecycleBinRecords
-	}
-	var rows []model.Media
-	err := s.repo.DB.Unscoped().
-		Where("deleted_at IS NOT NULL").
-		Order("deleted_at desc").
-		Limit(limit).
-		Find(&rows).Error
-	return rows, err
-}
-
-func pruneRecycleBinRows(ctx context.Context, db *gorm.DB, keep int) error {
-	if db == nil {
-		return nil
-	}
-	if keep <= 0 {
-		keep = maxRecycleBinRecords
-	}
-	var rows []struct {
-		ID string
-	}
-	if err := db.WithContext(ctx).Unscoped().
-		Model(&model.Media{}).
-		Select("id").
-		Where("deleted_at IS NOT NULL").
-		Order("deleted_at desc").
-		Limit(100000).
-		Offset(keep).
-		Find(&rows).Error; err != nil {
-		return err
-	}
-	if len(rows) == 0 {
-		return nil
-	}
-	ids := make([]string, 0, len(rows))
-	for _, row := range rows {
-		if row.ID != "" {
-			ids = append(ids, row.ID)
-		}
-	}
-	if len(ids) == 0 {
-		return nil
-	}
-	return db.WithContext(ctx).Unscoped().Where("id IN ?", ids).Delete(&model.Media{}).Error
-}
-
-// PurgeDeleted permanently removes a soft-deleted row from the database.
-func (s *MediaService) PurgeDeleted(ctx context.Context, id string) error {
-	err := s.repo.DB.WithContext(ctx).Unscoped().Where("id = ?", id).Delete(&model.Media{}).Error
-	if err == nil {
-		s.invalidateMediaCache(ctx)
-	}
-	return err
-}

internal/service/media_recycle_test.go

@@ -1,88 +0,0 @@
-package service
-
-import (
-	"fmt"
-	"path/filepath"
-	"testing"
-	"time"
-
-	"go.uber.org/zap"
-	"gorm.io/gorm"
-
-	"github.com/truewhile/MeBox/internal/config"
-	"github.com/truewhile/MeBox/internal/model"
-	"github.com/truewhile/MeBox/internal/repository"
-)
-
-func TestListRecycleBinPrunesOldRowsOverLimit(t *testing.T) {
-	db := newServiceTestDB(t, &model.Media{})
-	repos := repository.New(db)
-	now := time.Now()
-	for i := 0; i < maxRecycleBinRecords+5; i++ {
-		deletedAt := now.Add(time.Duration(i) * time.Second)
-		media := model.Media{
-			Base: model.Base{
-				ID:        fmt.Sprintf("media-%03d", i),
-				DeletedAt: gorm.DeletedAt{Time: deletedAt, Valid: true},
-			},
-			Title: fmt.Sprintf("Movie %03d", i),
-			Path:  filepath.Join(t.TempDir(), fmt.Sprintf("Movie %03d.mkv", i)),
-		}
-		if err := db.Unscoped().Create(&media).Error; err != nil {
-			t.Fatal(err)
-		}
-	}
-
-	svc := NewMediaService(&config.Config{}, zap.NewNop(), repos)
-	rows, err := svc.ListRecycleBin(t.Context(), 500)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if len(rows) != maxRecycleBinRecords {
-		t.Fatalf("recycle rows = %d, want %d", len(rows), maxRecycleBinRecords)
-	}
-	var count int64
-	if err := db.Unscoped().Model(&model.Media{}).Where("deleted_at IS NOT NULL").Count(&count).Error; err != nil {
-		t.Fatal(err)
-	}
-	if count != maxRecycleBinRecords {
-		t.Fatalf("stored recycle rows = %d, want %d", count, maxRecycleBinRecords)
-	}
-	var oldCount int64
-	if err := db.Unscoped().Model(&model.Media{}).Where("id IN ?", []string{"media-000", "media-001", "media-002", "media-003", "media-004"}).Count(&oldCount).Error; err != nil {
-		t.Fatal(err)
-	}
-	if oldCount != 0 {
-		t.Fatalf("oldest recycle rows were not pruned, count=%d", oldCount)
-	}
-}
-
-func TestSoftDeleteInvalidatesMediaAndStatsCache(t *testing.T) {
-	db := newServiceTestDB(t, &model.Media{})
-	repos := repository.New(db)
-	media := model.Media{
-		Base:  model.Base{ID: "local-media"},
-		Title: "Cached Movie",
-		Path:  filepath.Join(t.TempDir(), "Cached Movie.mkv"),
-	}
-	if err := repos.DB.Create(&media).Error; err != nil {
-		t.Fatal(err)
-	}
-
-	cache := NewRuntimeCacheService(&config.Config{}, zap.NewNop())
-	cache.SetJSON(t.Context(), "media:list:test", map[string]string{"state": "stale"}, time.Minute)
-	cache.SetJSON(t.Context(), "stats:snapshot:base", map[string]int{"media": 1}, time.Minute)
-	svc := NewMediaService(&config.Config{}, zap.NewNop(), repos).SetRuntimeCache(cache)
-	if err := svc.SoftDelete(t.Context(), media.ID); err != nil {
-		t.Fatal(err)
-	}
-
-	var mediaCache map[string]string
-	if cache.GetJSON(t.Context(), "media:list:test", &mediaCache) {
-		t.Fatal("soft delete should invalidate media cache")
-	}
-	var statsCache map[string]int
-	if cache.GetJSON(t.Context(), "stats:snapshot:base", &statsCache) {
-		t.Fatal("soft delete should invalidate stats cache")
-	}
-}

internal/service/media_series.go

@@ -17,6 +17,15 @@ type seriesCardsCacheValue struct {
 	Total int64        `json:"total"`
 }
 
+// libraryRowsCacheValue 整库可见行 + 预计算索引的对象缓存。填充时一次性完成
+// 整库 SQL 加载与 series key 解析，之后剧集卡片、剧集列表、媒体详情剧集
+// 共享这份结果：命中路径零 SQL、零逐行 key 解析。Rows/Episodes 视为不可变。
+type libraryRowsCacheValue struct {
+	Rows     []model.Media
+	Resolver mediaSeriesKeyResolver
+	Episodes map[string][]model.Media
+}
+
 type SeriesCard struct {
 	Key       string      `json:"key"`
 	Rep       model.Media `json:"rep"`
@@ -29,24 +38,59 @@ type seriesCardGroup struct {
 	latest time.Time
 }
 
-func (s *MediaService) ListLibrarySeriesCards(ctx context.Context, libraryID string, visibility MediaVisibility) ([]SeriesCard, int64, error) {
-	visibility = ExpandMediaVisibilityForMergedCloudLibraries(ctx, s.repo, visibility)
-	cacheKey := s.seriesCardsCacheKey(libraryID, visibility)
-	var cached seriesCardsCacheValue
-	if s.cache != nil && s.cache.GetJSON(ctx, cacheKey, &cached) {
-		return cached.Cards, cached.Total, nil
+// libraryRowsWithIndex 返回整库行与预计算剧集索引（带对象缓存）。
+func (s *MediaService) libraryRowsWithIndex(ctx context.Context, libraryID string, visibility MediaVisibility) (*libraryRowsCacheValue, error) {
+	cacheKey := s.libraryRowsCacheKey(libraryID, visibility)
+	if s.cache != nil {
+		if obj, ok := s.cache.GetObject(cacheKey); ok {
+			if cached, ok := obj.(*libraryRowsCacheValue); ok {
+				return cached, nil
+			}
+		}
 	}
 	rows, _, err := s.listAllMediaVisible(ctx, libraryID, visibility)
+	if err != nil {
+		return nil, err
+	}
+	// listAllMediaVisible 走 ListMediaVisible，行已带库元数据（resolver 的
+	// key 计算依赖 DisplayLibraryPath/ID）。
+	resolver := newMediaSeriesKeyResolver(rows)
+	episodes := make(map[string][]model.Media, len(rows)/4+1)
+	for _, row := range rows {
+		k := resolver.key(row)
+		if k == "" {
+			continue
+		}
+		episodes[k] = append(episodes[k], row)
+	}
+	value := &libraryRowsCacheValue{Rows: rows, Resolver: resolver, Episodes: episodes}
+	if s.cache != nil {
+		s.cache.SetObject(cacheKey, value, s.mediaObjectTTL())
+	}
+	return value, nil
+}
+
+func (s *MediaService) ListLibrarySeriesCards(ctx context.Context, libraryID string, visibility MediaVisibility) ([]SeriesCard, int64, error) {
+	visibility = ExpandMediaVisibilityForMergedCloudLibraries(ctx, s.repo, visibility)
+	cacheKey := s.libraryCardsObjectKey(libraryID, visibility)
+	if s.cache != nil {
+		if obj, ok := s.cache.GetObject(cacheKey); ok {
+			if cached, ok := obj.(*seriesCardsCacheValue); ok {
+				return cached.Cards, cached.Total, nil
+			}
+		}
+	}
+	rows, err := s.libraryRowsWithIndex(ctx, libraryID, visibility)
 	if err != nil {
 		return nil, 0, err
 	}
-	cards := groupMediaSeriesCards(rows)
+	cards := groupMediaSeriesCards(rows.Rows)
 	if cards == nil {
 		cards = []SeriesCard{}
 	}
 	total := int64(len(cards))
 	if s.cache != nil {
-		s.cache.SetJSON(ctx, cacheKey, seriesCardsCacheValue{Cards: cards, Total: total}, time.Duration(s.mediaCacheTTLSeconds())*time.Second)
+		s.cache.SetObject(cacheKey, &seriesCardsCacheValue{Cards: cards, Total: total}, s.mediaObjectTTL())
 	}
 	return cards, total, nil
 }
@@ -72,17 +116,35 @@ func (s *MediaService) ListRecentSeriesCards(ctx context.Context, limit int, vis
 }
 
 func (s *MediaService) ListLibrarySeriesEpisodes(ctx context.Context, libraryID, key string, visibility MediaVisibility) ([]model.Media, error) {
-	rows, _, err := s.listAllMediaVisible(ctx, libraryID, visibility)
+	rows, err := s.libraryRowsWithIndex(ctx, libraryID, visibility)
 	if err != nil {
 		return nil, err
 	}
+	// 预计算索引命中：O(1) 查找，拷贝后排序避免改动共享缓存。
+	if episodes, ok := rows.Episodes[key]; ok && len(episodes) > 0 {
+		out := make([]model.Media, len(episodes))
+		copy(out, episodes)
+		sortEpisodesForDisplay(out)
+		return out, nil
+	}
+
+	// 兜底：索引未命中（如卡片 key 与行缓存短暂跨代），保持原线性匹配逻辑。
+	all := rows.Rows
 	out := make([]model.Media, 0)
-	resolver := newMediaSeriesKeyResolver(rows)
-	for _, row := range rows {
-		if resolver.key(row) == key {
+	for _, row := range all {
+		if rows.Resolver.key(row) == key {
 			out = append(out, row)
 		}
 	}
+	if len(out) == 0 {
+		return []model.Media{}, nil
+	}
+	sortEpisodesForDisplay(out)
+	return out, nil
+}
+
+// sortEpisodesForDisplay 与历史行为一致：季/集号升序，再按入库时间兜底。
+func sortEpisodesForDisplay(out []model.Media) {
 	sort.SliceStable(out, func(i, j int) bool {
 		if out[i].SeasonNum != out[j].SeasonNum {
 			return out[i].SeasonNum < out[j].SeasonNum
@@ -92,7 +154,6 @@ func (s *MediaService) ListLibrarySeriesEpisodes(ctx context.Context, libraryID,
 		}
 		return out[i].CreatedAt.Before(out[j].CreatedAt)
 	})
-	return out, nil
 }
 
 func (s *MediaService) ListMediaEpisodes(ctx context.Context, mediaID string, visibility MediaVisibility) ([]model.Media, error) {
@@ -109,39 +170,59 @@ func (s *MediaService) ListMediaEpisodes(ctx context.Context, mediaID string, vi
 	if target.LibraryID == "" {
 		return []model.Media{*target}, nil
 	}
-	rows, _, err := s.listAllMediaVisible(ctx, target.LibraryID, visibility)
+	cache, err := s.libraryRowsWithIndex(ctx, target.LibraryID, visibility)
 	if err != nil {
 		return nil, err
 	}
+	rows := cache.Rows
 	if len(rows) == 0 {
 		return []model.Media{*target}, nil
 	}
 
-	resolver := newMediaSeriesKeyResolver(rows)
-	targetKey := resolver.key(*target)
-
-	out := make([]model.Media, 0)
+	var out []model.Media
+	targetKey := cache.Resolver.key(*target)
 	if targetKey != "" {
-		for _, row := range rows {
-			if resolver.key(row) == targetKey {
-				out = append(out, row)
-			}
+		// 预计算索引命中时拷贝，避免改动共享缓存。
+		if episodes, ok := cache.Episodes[targetKey]; ok {
+			out = make([]model.Media, len(episodes))
+			copy(out, episodes)
 		}
 	}
 
-	// 如果没有聚合到多集，尝试同父目录匹配
-	if len(out) <= 1 && target.Path != "" {
-		targetDir := filepath.Dir(strings.ReplaceAll(target.Path, "\\", "/"))
-		dirMatches := make([]model.Media, 0)
-		for _, row := range rows {
-			if row.Path != "" && filepath.Dir(strings.ReplaceAll(row.Path, "\\", "/")) == targetDir {
-				dirMatches = append(dirMatches, row)
+		// 如果没有聚合到多集，尝试同父目录匹配（排除合集目录和公共分类目录，且同目录文件不能是互不相同的独立电影）
+		if len(out) <= 1 && target.Path != "" {
+			targetDir := filepath.Dir(strings.ReplaceAll(target.Path, "\\", "/"))
+			parentBase := filepath.Base(targetDir)
+			if !mediaParentLooksLikeCollection(target.Path) && !seriesTitleIsGenericContainer(parentBase, *target) {
+				targetTitleNorm := normalizeSeriesTitle(target.Title)
+				targetDirNorm := normalizeSeriesTitle(parentBase)
+				dirMatches := make([]model.Media, 0)
+				for _, row := range rows {
+					if row.Path == "" || filepath.Dir(strings.ReplaceAll(row.Path, "\\", "/")) != targetDir {
+						continue
+					}
+					if row.ID == target.ID {
+						dirMatches = append(dirMatches, row)
+						continue
+					}
+					rowTitleNorm := normalizeSeriesTitle(row.Title)
+					allowMatch := false
+					if isGenericMovieTitle(rowTitleNorm) || isGenericMovieTitle(targetTitleNorm) {
+						allowMatch = true
+					} else if rowTitleNorm != "" && rowTitleNorm == targetTitleNorm {
+						allowMatch = true
+					} else if rowTitleNorm != "" && targetDirNorm != "" && rowTitleNorm == targetDirNorm {
+						allowMatch = true
+					}
+					if allowMatch {
+						dirMatches = append(dirMatches, row)
+					}
+				}
+				if len(dirMatches) > 1 {
+					out = dirMatches
+				}
 			}
 		}
-		if len(dirMatches) > 1 {
-			out = dirMatches
-		}
-	}
 
 	if len(out) == 0 {
 		out = []model.Media{*target}

internal/service/media_series_key.go

@@ -11,6 +11,16 @@ import (
 
 var episodicPathRE = regexp.MustCompile(`(?i)[\\/](?:电视剧|剧集|连续剧|短剧|国产剧|国剧|大陆剧|华语剧|国产电视剧|大陆电视剧|华语电视剧|欧美剧|欧美电视剧|美剧|英剧|日韩剧|日韩电视剧|日剧|韩剧|港剧|台剧|港台剧|泰剧|综艺|纪录片|儿童|动漫|番剧|国漫|日番|韩漫|美漫|欧美动漫|欧美动画|其他动漫|tv|series|shows?|season[\s._-]*\d|s\d{1,2}(?:[\s._-]|[\\/])|special[\s._-]*episodes?|specials?|sp|ovas?|oads?|extras?|bonus(?:es)?|omake|特别篇|特別篇|番外篇?|特典|外传|外傳|总集篇|總集篇)[\\/]`)
 
+var genericMovieTitleRE = regexp.MustCompile(`(?i)^(?:cd\s*\d+|part\s*\d+|disc\s*\d+|disk\s*\d+|dvd\s*\d+|movie|film|video|main|feature|track\s*\d+|preview|sample|trailer|\d{3,4}p|4k|2160p|1080p|720p)$`)
+
+func isGenericMovieTitle(title string) bool {
+	title = strings.TrimSpace(title)
+	if title == "" {
+		return true
+	}
+	return genericMovieTitleRE.MatchString(title)
+}
+
 func mediaSeriesKey(media model.Media) string {
 	return compactSeriesKey(mediaSeriesRawKey(media))
 }
@@ -54,7 +64,11 @@ func mediaSeriesRawKey(media model.Media) string {
 		return seriesFingerprint("movie-external", fmt.Sprintf("bgm:%d", media.BangumiID))
 	}
 	if fromPath != "" && !mediaParentLooksLikeCollection(media.Path) {
-		return seriesFingerprint("library-path", media.LibraryID, fromPath)
+		titleNorm := normalizeSeriesTitle(media.Title)
+		fromPathNorm := normalizeSeriesTitle(fromPath)
+		if titleNorm == "" || isGenericMovieTitle(titleNorm) || titleNorm == fromPathNorm {
+			return seriesFingerprint("library-path", media.LibraryID, fromPath)
+		}
 	}
 	return seriesFingerprint("library-title", media.LibraryID, normalizeSeriesTitle(media.Title))
 }

internal/service/media_series_test.go

@@ -445,3 +445,67 @@ func TestGroupMediaSeriesCardsBridgesReleaseFoldersByMatchedSeriesTitle(t *testi
 		t.Fatalf("cards=%#v, want one series bridged by matched title", cards)
 	}
 }
+
+func TestGroupMediaSeriesCardsKeepsIndependentMoviesSeparateInSharedSubdirectory(t *testing.T) {
+	// 同一分类子目录下存放多部不同标题的独立电影，不应被强制折叠成 1 部
+	items := []model.Media{
+		{LibraryID: "movies", Title: "老师2024偷窥篇", Path: `/media/小姐姐/国产/nana/老师2024偷窥篇.strm`},
+		{LibraryID: "movies", Title: "紫光灯下的肉体诱惑", Path: `/media/小姐姐/国产/nana/紫光灯下的肉体诱惑.strm`},
+		{LibraryID: "movies", Title: "修洗衣机", Path: `/media/小姐姐/国产/nana/修洗衣机.strm`},
+	}
+	cards := groupMediaSeriesCards(items)
+	if len(cards) != 3 {
+		t.Fatalf("got %d cards, want 3 independent movie cards", len(cards))
+	}
+
+	// 但同一部电影的 CD1 和 CD2 仍应正确折叠为 1 部
+	cdItems := []model.Media{
+		{LibraryID: "movies", Title: "cd1", Path: `/media/电影/指环王 (2001)/cd1.mkv`},
+		{LibraryID: "movies", Title: "cd2", Path: `/media/电影/指环王 (2001)/cd2.mkv`},
+	}
+		cdCards := groupMediaSeriesCards(cdItems)
+		if len(cdCards) != 1 {
+			t.Fatalf("got %d cards for cd1/cd2, want 1 folded movie card", len(cdCards))
+		}
+	}
+
+func TestListMediaEpisodesKeepsIndependentMoviesSeparate(t *testing.T) {
+	db := newServiceTestDB(t, &model.Library{}, &model.Media{})
+	repos := repository.New(db)
+	lib := model.Library{Base: model.Base{ID: "lib-movies"}, Name: "电影", Type: "movies", Enabled: true}
+	if err := repos.DB.Create(&lib).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	m1 := model.Media{
+		Base:      model.Base{ID: "m1"},
+		LibraryID: lib.ID,
+		Title:     "老师2024偷窥篇",
+		Path:      `/media/小姐姐/国产/nana/老师2024偷窥篇.strm`,
+	}
+	m2 := model.Media{
+		Base:      model.Base{ID: "m2"},
+		LibraryID: lib.ID,
+		Title:     "紫光灯下的肉体诱惑",
+		Path:      `/media/小姐姐/国产/nana/紫光灯下的肉体诱惑.strm`,
+	}
+	m3 := model.Media{
+		Base:      model.Base{ID: "m3"},
+		LibraryID: lib.ID,
+		Title:     "修洗衣机",
+		Path:      `/media/小姐姐/国产/nana/修洗衣机.strm`,
+	}
+	if err := repos.DB.Create(&[]model.Media{m1, m2, m3}).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	svc := NewMediaService(&config.Config{}, zap.NewNop(), repos)
+	eps, err := svc.ListMediaEpisodes(t.Context(), "m1", MediaVisibility{IncludeNSFW: true})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(eps) != 1 || eps[0].ID != "m1" {
+		t.Fatalf("ListMediaEpisodes got %#v, want exactly m1", eps)
+	}
+}
+

internal/service/runtime_cache.go

@@ -20,6 +20,7 @@ type RuntimeCacheService struct {
 
 	mu     sync.RWMutex
 	memory map[string]runtimeCacheItem
+	obj    map[string]runtimeObjectItem
 	limit  int
 }
 
@@ -28,8 +29,18 @@ type runtimeCacheItem struct {
 	expiresAt time.Time
 }
 
+// runtimeObjectItem 直存 Go 对象，跳过 JSON 编解码。热点路径（整库行、
+// 分组结果）每次请求都要完整反序列化，字节缓存避免了 SQL 却没避免解码；
+// 对象缓存命中时零解码零分配。存储的值视为不可变：读取方如需修改必须
+// 自行浅拷贝。仅进程内生效（Redis 只支持字节），多实例部署退化为各实例
+// 独立缓存，与现有内存 L1 语义一致。
+type runtimeObjectItem struct {
+	value     any
+	expiresAt time.Time
+}
+
 func NewRuntimeCacheService(cfg *config.Config, log *zap.Logger) *RuntimeCacheService {
-	c := &RuntimeCacheService{log: log, memory: map[string]runtimeCacheItem{}, limit: 2048}
+	c := &RuntimeCacheService{log: log, memory: map[string]runtimeCacheItem{}, obj: map[string]runtimeObjectItem{}, limit: 2048}
 	if cfg == nil {
 		return c
 	}
@@ -112,6 +123,50 @@ func (c *RuntimeCacheService) SetJSON(ctx context.Context, key string, value any
 	}
 }
 
+// GetObject 返回缓存中的对象。返回值不可变：调用方需要修改时必须先自行拷贝。
+func (c *RuntimeCacheService) GetObject(key string) (any, bool) {
+	if !c.Enabled() || strings.TrimSpace(key) == "" {
+		return nil, false
+	}
+	fullKey := c.key(key)
+	now := time.Now()
+	c.mu.RLock()
+	item, ok := c.obj[fullKey]
+	c.mu.RUnlock()
+	if !ok {
+		return nil, false
+	}
+	if now.After(item.expiresAt) {
+		c.mu.Lock()
+		delete(c.obj, fullKey)
+		c.mu.Unlock()
+		return nil, false
+	}
+	return item.value, true
+}
+
+// SetObject 存入一个此后视为不可变的对象。
+func (c *RuntimeCacheService) SetObject(key string, value any, ttl time.Duration) {
+	if !c.Enabled() || strings.TrimSpace(key) == "" || value == nil || ttl <= 0 {
+		return
+	}
+	fullKey := c.key(key)
+	now := time.Now()
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	if len(c.obj) >= c.limit {
+		for k, item := range c.obj {
+			if now.After(item.expiresAt) || len(c.obj) >= c.limit {
+				delete(c.obj, k)
+			}
+			if len(c.obj) < c.limit {
+				break
+			}
+		}
+	}
+	c.obj[fullKey] = runtimeObjectItem{value: value, expiresAt: now.Add(ttl)}
+}
+
 func (c *RuntimeCacheService) DeletePrefix(ctx context.Context, prefix string) {
 	if !c.Enabled() || strings.TrimSpace(prefix) == "" {
 		return
@@ -190,4 +245,9 @@ func (c *RuntimeCacheService) deleteMemoryPrefix(prefix string) {
 			delete(c.memory, key)
 		}
 	}
+	for key := range c.obj {
+		if strings.HasPrefix(key, prefix) {
+			delete(c.obj, key)
+		}
+	}
 }

internal/service/scanner_local_probe_queue.go

@@ -7,6 +7,7 @@ import (
 
 	"go.uber.org/zap"
 
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/model"
 )
 
@@ -45,7 +46,7 @@ func (s *ScannerService) startLocalMediaProbeWorkers() {
 	s.localMediaProbeOnce.Do(func() {
 		workers := s.ffprobeWorkerCount()
 		for i := 0; i < workers; i++ {
-			go s.localMediaProbeWorker()
+			helper.Go(s.log, "scanner.probeWorker", s.localMediaProbeWorker)
 		}
 	})
 }

internal/service/scanner_local_write_batch.go

@@ -63,6 +63,8 @@ func (b *localMediaWriteBatch) Flush() {
 		return
 	}
 	existingPaths := b.existingPaths(items)
+	upsertItems := make([]*model.Media, 0, len(items))
+	upsertAfter := make([]func(), 0, len(items))
 	createItems := make([]localMediaWriteItem, 0, len(items))
 	createMedia := make([]model.Media, 0, len(items))
 	for _, item := range items {
@@ -70,12 +72,16 @@ func (b *localMediaWriteBatch) Flush() {
 			continue
 		}
 		if existingPaths[filepath.Clean(item.media.Path)] {
-			b.upsertExistingItem(item)
+			// 已存在行：攒起来在一个事务里逐条 upsert（一批一次提交）。
+			after := item.after
+			upsertItems = append(upsertItems, item.media)
+			upsertAfter = append(upsertAfter, after)
 			continue
 		}
 		createItems = append(createItems, item)
 		createMedia = append(createMedia, *item.media)
 	}
+	b.flushUpserts(items, upsertItems, upsertAfter)
 	if len(createMedia) == 0 {
 		b.publish()
 		return
@@ -142,6 +148,35 @@ func (b *localMediaWriteBatch) existingPaths(items []localMediaWriteItem) map[st
 	return out
 }
 
+// flushUpserts 把已存在行的 upsert 攒成一个事务（一次提交/一组 fsync）。
+// 整批失败（如单条数据触发约束）时退回逐条 Upsert，只丢真正坏的那几条。
+func (b *localMediaWriteBatch) flushUpserts(allItems []localMediaWriteItem, upsertItems []*model.Media, upsertAfter []func()) {
+	if len(upsertItems) == 0 {
+		return
+	}
+	if err := b.scanner.repo.Media.UpsertBatch(b.ctx, upsertItems); err == nil {
+		b.res.Updated += len(upsertItems)
+		for _, after := range upsertAfter {
+			if after != nil {
+				after()
+			}
+		}
+		return
+	} else if b.scanner.log != nil {
+		b.scanner.log.Warn("batch upsert failed; falling back to per-item upsert",
+			zap.Int("items", len(upsertItems)))
+	}
+	// 兜底：按原始顺序找回每个条目的 path/after（两个切片同序但可能含 nil）。
+	idx := 0
+	for _, item := range allItems {
+		if item.media == nil || idx >= len(upsertItems) || upsertItems[idx] != item.media {
+			continue
+		}
+		idx++
+		b.upsertExistingItem(item)
+	}
+}
+
 func (b *localMediaWriteBatch) upsertExistingItem(item localMediaWriteItem) {
 	if item.media == nil {
 		return

internal/service/scanner_post_scan.go

@@ -5,6 +5,8 @@ import (
 	"time"
 
 	"go.uber.org/zap"
+
+	"github.com/truewhile/MeBox/internal/helper"
 )
 
 func (s *ScannerService) invalidateMediaCache(ctx context.Context) {
@@ -18,10 +20,12 @@ func (s *ScannerService) startAutoScrape(ctx context.Context, libraryID string)
 	scrapeCtx, cancel := context.WithTimeout(context.WithoutCancel(ctx), 30*time.Minute)
 	go func() {
 		defer cancel()
-		_, err := s.scraper.EnrichLibraryDetailedWithOptions(scrapeCtx, libraryID, skipEpisodeArtworkOptions(false))
-		if err != nil {
-			s.log.Warn("scraper enrich failed", zap.Error(err))
-			return
-		}
+		// 扫描触发的后台刮削与请求线程无关，panic 只记日志，不能带崩进程。
+		helper.Run(s.log, "scanner.autoScrape", func() {
+			_, err := s.scraper.EnrichLibraryDetailedWithOptions(scrapeCtx, libraryID, skipEpisodeArtworkOptions(false))
+			if err != nil {
+				s.log.Warn("scraper enrich failed", zap.Error(err))
+			}
+		})
 	}()
 }

internal/service/scheduler.go

@@ -8,9 +8,6 @@
 //	organize_source   opt-in        — organize the configured staging folder.
 //	transcode_cleanup every 24 h   — purge HLS transcode artefacts
 //	                                  older than 24 h.
-//	recycle_purge     every 24 h   — empty the recycle bin of rows
-//	                                  soft-deleted more than 30 days
-//	                                  ago.
 //
 // Each job runs at most once at a time (an in-flight run blocks the
 // next tick). All work happens on a long-lived background context so
@@ -25,6 +22,7 @@ import (
 
 	"go.uber.org/zap"
 
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/repository"
 )
 
@@ -128,11 +126,6 @@ func (s *SchedulerService) Start(ctx context.Context) {
 			interval: 24 * time.Hour,
 			run:      s.jobCleanTranscodeCache,
 		},
-		{
-			name:     "recycle_purge",
-			interval: 24 * time.Hour,
-			run:      s.jobPurgeRecycleBin,
-		},
 		{
 			name:     "image_cache_cleanup",
 			interval: 1 * time.Hour,
@@ -147,7 +140,7 @@ func (s *SchedulerService) Start(ctx context.Context) {
 			// 首轮等满一个完整周期再跑，平时节奏不变。
 			initialDelay = j.interval
 		}
-		go s.loopWithInitialDelay(ctx, j, initialDelay)
+		helper.Go(s.log, "scheduler.loop."+j.name, func() { s.loopWithInitialDelay(ctx, j, initialDelay) })
 	}
 }
 

internal/service/scheduler_local_jobs.go

@@ -8,9 +8,6 @@ import (
 	"time"
 
 	"go.uber.org/zap"
-	"gorm.io/gorm"
-
-	"github.com/truewhile/MeBox/internal/model"
 )
 
 // jobScanLibraries re-walks every enabled library.
@@ -181,29 +178,6 @@ func (s *SchedulerService) jobCleanTranscodeCache(ctx context.Context) error {
 	return walkAndPrune(s.cacheDir+"/hls", cutoff)
 }
 
-// jobPurgeRecycleBin permanently deletes media rows soft-deleted >30 days
-// ago. The on-disk file is left untouched (delete is operator-driven).
-func (s *SchedulerService) jobPurgeRecycleBin(ctx context.Context) error {
-	cutoff := time.Now().Add(-30 * 24 * time.Hour)
-	res := s.repo.DB.WithContext(ctx).
-		Unscoped().
-		Where("deleted_at IS NOT NULL AND deleted_at < ?", cutoff).
-		Delete(&model.Media{})
-	if res.Error != nil && !isMissingTableErr(res.Error) {
-		return res.Error
-	}
-	return pruneRecycleBinRows(ctx, s.repo.DB, maxRecycleBinRecords)
-}
-
-// isMissingTableErr lets the test harness ignore "no such table" errors
-// that show up before AutoMigrate has run.
-func isMissingTableErr(err error) bool {
-	if err == nil {
-		return false
-	}
-	return err == gorm.ErrInvalidDB
-}
-
 // jobCleanImageCache prunes image proxy cache files when disk usage exceeds the configured limit.
 func (s *SchedulerService) jobCleanImageCache(ctx context.Context) error {
 	if s.cacheDir == "" {

internal/service/scheduler_runner.go

@@ -6,6 +6,8 @@ import (
 	"time"
 
 	"go.uber.org/zap"
+
+	"github.com/truewhile/MeBox/internal/helper"
 )
 
 // JobStatus is a snapshot suitable for the admin UI.
@@ -142,7 +144,8 @@ func (s *SchedulerService) beginRun(j *scheduledJob) error {
 }
 
 func (s *SchedulerService) runReserved(ctx context.Context, j *scheduledJob) error {
-	err := j.run(ctx)
+	// 任务 panic 转为 error，保证下方 running/lastErr 状态照常清理、调度循环存活。
+	err := helper.Recover(s.log, "scheduler.job."+j.name, func() error { return j.run(ctx) })
 	s.mu.Lock()
 	j.lastRun = s.currentTime()
 	if err != nil {

internal/service/scraper_queue.go

@@ -10,6 +10,7 @@ import (
 
 	"go.uber.org/zap"
 
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/model"
 )
 
@@ -73,7 +74,10 @@ func (s *ScraperService) queueWorker(ctx context.Context) {
 				}
 				defer func() { <-sem }()
 
-				s.processScrapeTask(ctx, t)
+				// 刮削要解析远端元数据响应，单个任务 panic 不应拖垮队列 worker。
+				helper.Run(s.log, "scraper.task", func() {
+					s.processScrapeTask(ctx, t)
+				})
 			}(&tasks[i])
 		}
 		wg.Wait()

internal/service/service.go

@@ -10,6 +10,7 @@ import (
 	"go.uber.org/zap"
 
 	"github.com/truewhile/MeBox/internal/config"
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/repository"
 )
 
@@ -96,7 +97,7 @@ func (c *Container) Boot() {
 	if err := c.APIConfig.SeedDefaults(c.stopCtx); err != nil {
 		c.Log.Warn("api config seed failed", zap.Error(err))
 	}
-	go c.warmMediaSearchIndex(c.stopCtx)
+	helper.Go(c.Log, "service.warmMediaSearchIndex", func() { c.warmMediaSearchIndex(c.stopCtx) })
 
 	// 启动调度器定时任务
 	c.Scheduler.Start(c.stopCtx)
@@ -119,7 +120,7 @@ func (c *Container) Boot() {
 	// Mgo 保号规则巡检：默认关闭，由管理员通过 Telegram Bot 命令开启。
 	// 每天触发一次评估；规则里的窗口可随机，不固定。
 	if c.Device != nil {
-		go c.runInactivitySweeper(c.stopCtx)
+		helper.Go(c.Log, "service.inactivitySweeper", func() { c.runInactivitySweeper(c.stopCtx) })
 	}
 }
 

internal/service/service_builder.go

@@ -8,6 +8,7 @@ import (
 	"go.uber.org/zap"
 
 	"github.com/truewhile/MeBox/internal/config"
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/model"
 	"github.com/truewhile/MeBox/internal/repository"
 )
@@ -47,12 +48,12 @@ func newServiceContainer(cfg *config.Config, log *zap.Logger, repos *repository.
 
 func (b *serviceContainerBuilder) startRealtimeServices() {
 	b.c.WSHub = NewHub(b.log)
-	go b.c.WSHub.Run()
+	helper.Go(b.log, "ws.hub", b.c.WSHub.Run)
 	b.c.Tasks = NewTaskTrackerService(b.log, b.c.WSHub)
 	b.c.SystemUpdate = NewSystemUpdateService(b.cfg, b.log, b.repos, b.c.Tasks, b.version)
 
 	b.c.SSEHub = NewSSEHub(b.log)
-	go b.c.SSEHub.Run()
+	helper.Go(b.log, "sse.hub", b.c.SSEHub.Run)
 }
 
 func (b *serviceContainerBuilder) initProviderServices() {

internal/service/strm_queue.go

@@ -18,6 +18,7 @@ import (
 
 	"go.uber.org/zap"
 
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/model"
 	"github.com/truewhile/MeBox/internal/service/cloud"
 	"github.com/truewhile/MeBox/internal/service/cloud115"
@@ -66,7 +67,10 @@ func (s *StrmService) downloadWorker(ctx context.Context) {
 					return
 				}
 				defer s.releaseDownloadSlot(task.Provider)
-				s.processDownloadTask(ctx, task)
+				// 单个任务 panic 不应拖垮整个下载 worker。
+				helper.Run(s.log, "strm.downloadTask", func() {
+					s.processDownloadTask(ctx, task)
+				})
 			}(i)
 		}
 		wg.Wait()

internal/service/strm_service.go

@@ -24,6 +24,7 @@ import (
 	"go.uber.org/zap"
 
 	"github.com/truewhile/MeBox/internal/config"
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/model"
 	"github.com/truewhile/MeBox/internal/repository"
 	"github.com/truewhile/MeBox/internal/service/cloud"
@@ -186,14 +187,14 @@ func (s *StrmService) Start(ctx context.Context) {
 		uploadThreads = 4
 	}
 	for i := 0; i < downloadThreads; i++ {
-		go s.downloadWorker(ctx)
+		helper.Go(s.log, "strm.downloadWorker", func() { s.downloadWorker(ctx) })
 	}
 	for i := 0; i < uploadThreads; i++ {
-		go s.uploadWorker(ctx)
+		helper.Go(s.log, "strm.uploadWorker", func() { s.uploadWorker(ctx) })
 	}
-	go s.cronLoop(ctx)
-	go s.queueCleanupLoop(ctx)
-	go s.refresh115TokensLoop(ctx)
+	helper.Go(s.log, "strm.cronLoop", func() { s.cronLoop(ctx) })
+	helper.Go(s.log, "strm.queueCleanupLoop", func() { s.queueCleanupLoop(ctx) })
+	helper.Go(s.log, "strm.refresh115TokensLoop", func() { s.refresh115TokensLoop(ctx) })
 	s.log.Info("strm service started",
 		zap.Int("download_threads", downloadThreads),
 		zap.Int("upload_threads", uploadThreads))

internal/service/strm_sync.go

@@ -18,6 +18,7 @@ import (
 
 	"go.uber.org/zap"
 
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/model"
 	"github.com/truewhile/MeBox/internal/service/cloud"
 	"github.com/truewhile/MeBox/internal/service/cloud115"
@@ -105,7 +106,7 @@ func (s *StrmService) StartSync(ctx context.Context, pathID string, syncType ...
 	p.LastSyncMessage = "同步进行中"
 	_ = s.repo.StrmSyncPath.Update(ctx, p)
 
-	go s.runSync(runCtx, p, rec)
+	helper.Go(s.log, "strm.sync", func() { s.runSync(runCtx, p, rec) })
 	return nil
 }
 
@@ -361,38 +362,45 @@ func (st *strmSyncState) walkRemote() error {
 		wg.Add(1)
 		go func() {
 			defer wg.Done()
-			for task := range queue {
-				if ctx.Err() != nil {
-					return
-				}
-				entries, err := st.provider.List(ctx, task.id)
-				if err != nil {
-					errMu.Lock()
-					if firstErr == nil {
-						firstErr = fmt.Errorf("列出远端目录 %s 失败：%w", task.id, err)
+			// worker 解析远端响应 panic 时取消整个同步，让 closer 与其余
+			// worker 正常收尾，避免队列与 pending 计数卡死；正常退出不取消。
+			if err := helper.Recover(st.s.log, "strm.sync.walkRemote", func() error {
+				for task := range queue {
+					if ctx.Err() != nil {
+						return nil
 					}
-					errMu.Unlock()
-					cancel()
-					return
-				}
-				for _, entry := range entries {
-					cleanName := cleanEntryName(entry.Name, entry.IsDir)
-					rel := cleanName
-					if task.rel != "" {
-						rel = task.rel + "/" + cleanName
-					}
-					if entry.IsDir {
-						pending.Add(1)
-						select {
-						case queue <- dirTask{id: entry.ID, rel: rel}:
-						case <-ctx.Done():
-							pending.Add(-1)
+					entries, err := st.provider.List(ctx, task.id)
+					if err != nil {
+						errMu.Lock()
+						if firstErr == nil {
+							firstErr = fmt.Errorf("列出远端目录 %s 失败：%w", task.id, err)
 						}
-					} else {
-						st.processRemoteFile(entry, rel)
+						errMu.Unlock()
+						cancel()
+						return nil
 					}
+					for _, entry := range entries {
+						cleanName := cleanEntryName(entry.Name, entry.IsDir)
+						rel := cleanName
+						if task.rel != "" {
+							rel = task.rel + "/" + cleanName
+						}
+						if entry.IsDir {
+							pending.Add(1)
+							select {
+							case queue <- dirTask{id: entry.ID, rel: rel}:
+							case <-ctx.Done():
+								pending.Add(-1)
+							}
+						} else {
+							st.processRemoteFile(entry, rel)
+						}
+					}
+					pending.Add(-1)
 				}
-				pending.Add(-1)
+				return nil
+			}); err != nil {
+				cancel()
 			}
 		}()
 	}
@@ -560,22 +568,28 @@ func (st *strmSyncState) walk115Flat(open115 *cloud115.OpenClient) error {
 			wg.Add(1)
 			go func() {
 				defer wg.Done()
-				for t := range taskCh {
-					if ctx.Err() != nil {
-						return
-					}
-					files, _, err := open115.GetFsListFlat(ctx, rootCID, t.offset, pageSize)
-					if err != nil {
-						errMu.Lock()
-						if fetchErr == nil {
-							fetchErr = err
+				// 分页拉取 panic 时取消整个同步；正常退出不取消。
+				if err := helper.Recover(st.s.log, "strm.sync.walk115.page", func() error {
+					for t := range taskCh {
+						if ctx.Err() != nil {
+							return nil
 						}
-						errMu.Unlock()
-						return
+						files, _, err := open115.GetFsListFlat(ctx, rootCID, t.offset, pageSize)
+						if err != nil {
+							errMu.Lock()
+							if fetchErr == nil {
+								fetchErr = err
+							}
+							errMu.Unlock()
+							return nil
+						}
+						filesMu.Lock()
+						allFiles = append(allFiles, files...)
+						filesMu.Unlock()
 					}
-					filesMu.Lock()
-					allFiles = append(allFiles, files...)
-					filesMu.Unlock()
+					return nil
+				}); err != nil {
+					cancel()
 				}
 			}()
 		}
@@ -632,63 +646,70 @@ func (st *strmSyncState) walk115Flat(open115 *cloud115.OpenClient) error {
 			pwg.Add(1)
 			go func() {
 				defer pwg.Done()
-				for pid := range pidCh {
-					if ctx.Err() != nil {
-						return
-					}
-					if _, loaded := st.dirCache.Load(pid); loaded {
-						if n := doneDirs.Add(1); n%20 == 0 || n == int64(totalDirs) {
+				// 解析目录详情 panic 时中止整个同步（避免带着损坏的相对路径
+				// 继续执行）；正常退出不取消。
+				if err := helper.Recover(st.s.log, "strm.sync.walk115.dirTree", func() error {
+					for pid := range pidCh {
+						if ctx.Err() != nil {
+							return nil
+						}
+						if _, loaded := st.dirCache.Load(pid); loaded {
+							if n := doneDirs.Add(1); n%20 == 0 || n == int64(totalDirs) {
+								st.updateSyncMessage(fmt.Sprintf("正在解析目录树 (%d/%d)...", n, totalDirs))
+							}
+							continue
+						}
+						detail, err := open115.GetFsDetailByCid(ctx, pid)
+						if err != nil {
+							// 目录详情解析失败会导致下游文件 rel 无法还原真实父路径，
+							// seen key 与磁盘路径对不上：增量 prune 会误删本地文件、上传会
+							// 误传本地未变文件、下载会重复下载。这里不是降级容错，而是
+							// 直接中止整个同步——宁可本次同步失败，也不带着损坏的相对路径
+							// 继续执行造成大规模误删/误传/重下（参考用户反馈"云盘没动却重下重传"）。
+							errMu.Lock()
+							if firstErr == nil {
+								firstErr = fmt.Errorf("115: 解析目录树失败（file_id=%s）：%w", pid, err)
+							}
+							errMu.Unlock()
+							st.scanIncomplete.Store(true)
+							cancel()
+							return nil
+						} else if detail != nil {
+							// 解析相对路径
+							relPath := cleanDirRel(detail.RelativePath(rootCID))
+							st.dirCache.Store(pid, relPath)
+							_ = st.s.repo.StrmDirCache.Set(ctx, st.p.ID, pid, relPath)
+
+							// 顺便解析并缓存 detail.Paths 中包含的中间各层级目录
+							for _, ancestor := range detail.Paths {
+								if ancestor.FileId == "0" || ancestor.FileId == rootCID {
+									continue
+								}
+								if _, loaded := st.dirCache.Load(ancestor.FileId); !loaded {
+									subDetail := &cloud115.RemoteFileDetail{
+										FileId:   ancestor.FileId,
+										FileName: ancestor.Name,
+										Paths:    nil,
+									}
+									for _, p := range detail.Paths {
+										subDetail.Paths = append(subDetail.Paths, p)
+										if p.FileId == ancestor.FileId {
+											break
+										}
+									}
+									ancestorRel := cleanDirRel(subDetail.RelativePath(rootCID))
+									st.dirCache.Store(ancestor.FileId, ancestorRel)
+									_ = st.s.repo.StrmDirCache.Set(ctx, st.p.ID, ancestor.FileId, ancestorRel)
+								}
+							}
+						}
+						if n := doneDirs.Add(1); n%10 == 0 || n == int64(totalDirs) {
 							st.updateSyncMessage(fmt.Sprintf("正在解析目录树 (%d/%d)...", n, totalDirs))
 						}
-						continue
-					}
-					detail, err := open115.GetFsDetailByCid(ctx, pid)
-					if err != nil {
-						// 目录详情解析失败会导致下游文件 rel 无法还原真实父路径，
-						// seen key 与磁盘路径对不上：增量 prune 会误删本地文件、上传会
-						// 误传本地未变文件、下载会重复下载。这里不是降级容错，而是
-						// 直接中止整个同步——宁可本次同步失败，也不带着损坏的相对路径
-						// 继续执行造成大规模误删/误传/重下（参考用户反馈"云盘没动却重下重传"）。
-						errMu.Lock()
-						if firstErr == nil {
-							firstErr = fmt.Errorf("115: 解析目录树失败（file_id=%s）：%w", pid, err)
-						}
-						errMu.Unlock()
-						st.scanIncomplete.Store(true)
-						cancel()
-						return
-					} else if detail != nil {
-						// 解析相对路径
-						relPath := cleanDirRel(detail.RelativePath(rootCID))
-						st.dirCache.Store(pid, relPath)
-						_ = st.s.repo.StrmDirCache.Set(ctx, st.p.ID, pid, relPath)
-
-						// 顺便解析并缓存 detail.Paths 中包含的中间各层级目录
-						for _, ancestor := range detail.Paths {
-							if ancestor.FileId == "0" || ancestor.FileId == rootCID {
-								continue
-							}
-							if _, loaded := st.dirCache.Load(ancestor.FileId); !loaded {
-								subDetail := &cloud115.RemoteFileDetail{
-									FileId:   ancestor.FileId,
-									FileName: ancestor.Name,
-									Paths:    nil,
-								}
-								for _, p := range detail.Paths {
-									subDetail.Paths = append(subDetail.Paths, p)
-									if p.FileId == ancestor.FileId {
-										break
-									}
-								}
-								ancestorRel := cleanDirRel(subDetail.RelativePath(rootCID))
-								st.dirCache.Store(ancestor.FileId, ancestorRel)
-								_ = st.s.repo.StrmDirCache.Set(ctx, st.p.ID, ancestor.FileId, ancestorRel)
-							}
-						}
-					}
-					if n := doneDirs.Add(1); n%10 == 0 || n == int64(totalDirs) {
-						st.updateSyncMessage(fmt.Sprintf("正在解析目录树 (%d/%d)...", n, totalDirs))
 					}
+					return nil
+				}); err != nil {
+					cancel()
 				}
 			}()
 		}

internal/service/subtitle.go

@@ -23,6 +23,8 @@ import (
 	"path/filepath"
 	"regexp"
 	"strings"
+	"sync"
+	"time"
 
 	"go.uber.org/zap"
 
@@ -35,6 +37,21 @@ type SubtitleService struct {
 	log  *zap.Logger
 	repo *repository.Container
 	cfg  *config.Config
+
+	// 目录发现是 Emby 条目列表的热路径（每个媒体源一次 DB 查询 + 最多 5 次
+	// os.ReadDir），而字幕文件极少变化：按 media_id 做短 TTL 缓存。
+	cacheMu   sync.Mutex
+	discovery map[string]subtitleDiscoveryEntry
+}
+
+const (
+	subtitleDiscoveryTTL      = 2 * time.Minute
+	subtitleDiscoveryCacheCap = 4096
+)
+
+type subtitleDiscoveryEntry struct {
+	tracks    []SubtitleTrack
+	expiresAt time.Time
 }
 
 // NewSubtitleService is the constructor.
@@ -73,6 +90,50 @@ func (s *SubtitleService) DiscoverExternalOnly(ctx context.Context, mediaID stri
 }
 
 func (s *SubtitleService) discover(ctx context.Context, mediaID string) ([]SubtitleTrack, error) {
+	if tracks, ok := s.cachedDiscovery(mediaID); ok {
+		return tracks, nil
+	}
+	tracks, err := s.discoverUncached(ctx, mediaID)
+	if err != nil {
+		return nil, err
+	}
+	s.rememberDiscovery(mediaID, tracks)
+	return tracks, nil
+}
+
+func (s *SubtitleService) cachedDiscovery(mediaID string) ([]SubtitleTrack, bool) {
+	now := time.Now()
+	s.cacheMu.Lock()
+	defer s.cacheMu.Unlock()
+	entry, ok := s.discovery[mediaID]
+	if !ok {
+		return nil, false
+	}
+	if now.After(entry.expiresAt) {
+		delete(s.discovery, mediaID)
+		return nil, false
+	}
+	// 返回副本，避免调用方修改缓存内容。
+	return append([]SubtitleTrack(nil), entry.tracks...), true
+}
+
+func (s *SubtitleService) rememberDiscovery(mediaID string, tracks []SubtitleTrack) {
+	now := time.Now()
+	s.cacheMu.Lock()
+	defer s.cacheMu.Unlock()
+	if s.discovery == nil {
+		s.discovery = make(map[string]subtitleDiscoveryEntry)
+	}
+	if len(s.discovery) >= subtitleDiscoveryCacheCap {
+		s.discovery = make(map[string]subtitleDiscoveryEntry)
+	}
+	s.discovery[mediaID] = subtitleDiscoveryEntry{
+		tracks:    append([]SubtitleTrack(nil), tracks...),
+		expiresAt: now.Add(subtitleDiscoveryTTL),
+	}
+}
+
+func (s *SubtitleService) discoverUncached(ctx context.Context, mediaID string) ([]SubtitleTrack, error) {
 	m, err := s.repo.Media.FindByID(ctx, mediaID)
 	if err != nil {
 		return nil, err

internal/service/system_update.go

@@ -11,6 +11,7 @@ import (
 	"go.uber.org/zap"
 
 	"github.com/truewhile/MeBox/internal/config"
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/repository"
 )
 
@@ -132,7 +133,7 @@ func (s *SystemUpdateService) Apply(ctx context.Context) (SystemUpdateStatus, er
 	s.last = &status
 	s.mu.Unlock()
 
-	go s.runUpdate(context.Background(), status, task)
+	helper.Go(s.log, "system.update", func() { s.runUpdate(context.Background(), status, task) })
 	return status, nil
 }
 

internal/service/token_svc_pending.go

@@ -7,6 +7,7 @@ import (
 
 	"go.uber.org/zap"
 
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/model"
 	"github.com/truewhile/MeBox/internal/repository"
 )
@@ -26,11 +27,14 @@ func (s *TokenService) storeRefreshTokenBestEffort(userID, tokenHash string, exp
 	go func() {
 		ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
 		defer cancel()
-		done <- s.storeRefreshToken(ctx, &model.RefreshToken{
-			UserID:    userID,
-			TokenHash: tokenHash,
-			ExpiresAt: expiresAt,
+		err := helper.Recover(s.log, "token.storeRefreshToken", func() error {
+			return s.storeRefreshToken(ctx, &model.RefreshToken{
+				UserID:    userID,
+				TokenHash: tokenHash,
+				ExpiresAt: expiresAt,
+			})
 		})
+		done <- err
 	}()
 	select {
 	case err := <-done:

internal/service/transcoder.go

@@ -33,6 +33,7 @@ import (
 	"go.uber.org/zap"
 
 	"github.com/truewhile/MeBox/internal/config"
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/repository"
 )
 
@@ -143,7 +144,7 @@ func (t *TranscoderService) EnsureJob(ctx context.Context, mediaID string) (stri
 	t.jobs[mediaID] = job
 	t.mu.Unlock()
 
-	go t.monitorIdle(jobCtx, job)
-	go t.runFFmpeg(jobCtx, job, m.Path)
+	helper.Go(t.log, "transcoder.monitorIdle", func() { t.monitorIdle(jobCtx, job) })
+	helper.Go(t.log, "transcoder.ffmpeg", func() { t.runFFmpeg(jobCtx, job, m.Path) })
 	return t.PlaylistPath(mediaID), nil
 }

internal/service/watcher.go

@@ -22,6 +22,7 @@ import (
 	"github.com/fsnotify/fsnotify"
 	"go.uber.org/zap"
 
+	"github.com/truewhile/MeBox/internal/helper"
 	"github.com/truewhile/MeBox/internal/model"
 	"github.com/truewhile/MeBox/internal/repository"
 )
@@ -69,8 +70,8 @@ func (w *WatcherService) Start(ctx context.Context) error {
 	if err := w.Refresh(ctx); err != nil {
 		w.log.Warn("watcher refresh failed", zap.Error(err))
 	}
-	go w.loop(ctx)
-	go w.debouncer(ctx)
+	helper.Go(w.log, "watcher.loop", func() { w.loop(ctx) })
+	helper.Go(w.log, "watcher.debouncer", func() { w.debouncer(ctx) })
 	return nil
 }
 

web/index.html

@@ -8,12 +8,8 @@
     <link rel="icon" type="image/png" href="/brand/logo-64.png" />
     <link rel="icon" type="image/x-icon" href="/favicon.ico" />
     <link rel="apple-touch-icon" href="/brand/logo-192.png" />
-    <link rel="preconnect" href="https://fonts.googleapis.com" />
-    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
-    <link
-      href="https://fonts.googleapis.com/css2?family=Cabinet+Grotesk:wght@400;500;600;700;800&family=Geist:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap"
-      rel="stylesheet"
-    />
+    <!-- 字体已自托管（见 src/index.css 的 @font-face），不再使用 Google Fonts 外链：
+         自托管环境常无法访问 Google，渲染阻塞外链会拖慢首屏。 -->
     <title>MeBox</title>
   </head>
   <body class="font-body antialiased">

web/package-lock.json

@@ -19,6 +19,7 @@
         "react-dom": "^18.3.1",
         "react-hot-toast": "^2.6.0",
         "react-router-dom": "^6.23.1",
+        "react-virtuoso": "^4.18.12",
         "zustand": "^4.5.2"
       },
       "devDependencies": {
@@ -3874,6 +3875,16 @@
         "react-dom": ">=16.8"
       }
     },
+    "node_modules/react-virtuoso": {
+      "version": "4.18.12",
+      "resolved": "https://registry.npmjs.org/react-virtuoso/-/react-virtuoso-4.18.12.tgz",
+      "integrity": "sha512-6c1SnRicSBfG+WnbhcyJUxzDHvvxD3vsux/EpcfVbgB7clyP1Od2r81TAGTgwbL7U2qP889RR4u+CH6WjgpW0g==",
+      "license": "MIT",
+      "peerDependencies": {
+        "react": ">=16 || >=17 || >= 18 || >= 19",
+        "react-dom": ">=16 || >=17 || >= 18 || >=19"
+      }
+    },
     "node_modules/read-cache": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/read-cache/-/read-cache-1.0.0.tgz",

web/package.json

@@ -21,6 +21,7 @@
     "react-dom": "^18.3.1",
     "react-hot-toast": "^2.6.0",
     "react-router-dom": "^6.23.1",
+    "react-virtuoso": "^4.18.12",
     "zustand": "^4.5.2"
   },
   "devDependencies": {

web/src/api/library.ts

@@ -87,17 +87,31 @@ export interface LibraryWithPreview extends Library {
 }
 
 export const libraryAPI = {
-  list: (options?: { includeHidden?: boolean; withPreview?: boolean; previewLimit?: number }) =>
+  list: (options?: { includeHidden?: boolean; withPreview?: boolean; previewLimit?: number; ids?: string[] }) =>
     api
       .get<LibraryWithPreview[]>('/libraries', {
         params: {
           ...(options?.includeHidden ? { include_hidden: 1 } : {}),
           ...(options?.withPreview ? { with_preview: 1 } : {}),
           ...(options?.previewLimit ? { preview_limit: options.previewLimit } : {}),
+          ...(options?.ids && options.ids.length > 0 ? { ids: options.ids.join(',') } : {}),
         },
       })
       .then((r) => r.data),
 
+  listPreviews: (ids: string[], previewLimit = 10) => {
+    if (ids.length === 0) return Promise.resolve<LibraryWithPreview[]>([])
+    return api
+      .get<LibraryWithPreview[]>('/libraries', {
+        params: {
+          with_preview: 1,
+          preview_limit: previewLimit,
+          ids: ids.join(','),
+        },
+      })
+      .then((r) => r.data)
+  },
+
   get: (id: string, options?: { includeHidden?: boolean }) =>
     api
       .get<Library>(`/libraries/${id}`, {
@@ -225,6 +239,19 @@ export const mediaAPI = {
         { timeout: BATCH_REQUEST_TIMEOUT },
       )
       .then((r) => r.data),
+
+  delete: (id: string, options?: { deleteFiles?: boolean }) =>
+    api
+      .delete(`/media/${id}`, {
+        params: options?.deleteFiles ? { delete_files: true } : undefined,
+      })
+      .then((r) => r.data),
+
+  exportNFO: (id: string) =>
+    api.post<{ path: string }>(`/media/${id}/nfo`).then((r) => r.data),
+
+  exportLibraryNFO: (id: string) =>
+    api.post<{ written: number }>(`/libraries/${id}/nfo`).then((r) => r.data),
 }
 
 function episodeImageOption(options?: ScrapeOptions): boolean | undefined {

web/src/api/recycle.ts

@@ -1,15 +0,0 @@
-import { api } from './client'
-
-export const recycleAPI = {
-  softDelete: (id: string) => api.delete(`/media/${id}`).then((r) => r.data),
-
-  restore: (id: string) => api.post(`/media/${id}/restore`).then((r) => r.data),
-
-  purge: (id: string) => api.delete(`/media/${id}/purge`).then((r) => r.data),
-
-  exportNFO: (id: string) =>
-    api.post<{ path: string }>(`/media/${id}/nfo`).then((r) => r.data),
-
-  exportLibraryNFO: (id: string) =>
-    api.post<{ written: number }>(`/libraries/${id}/nfo`).then((r) => r.data),
-}

web/src/appRoutes.tsx

@@ -2,25 +2,34 @@
 import { lazy, type ReactElement } from 'react'
 import { Navigate } from 'react-router-dom'
 
-const HomePage = lazy(() => import('./pages/HomePage').then((m) => ({ default: m.HomePage })))
-const LibraryPage = lazy(() => import('./pages/LibraryPage').then((m) => ({ default: m.LibraryPage })))
-const LibrariesPage = lazy(() => import('./pages/LibrariesPage').then((m) => ({ default: m.LibrariesPage })))
-const FavouritesPage = lazy(() => import('./pages/FavouritesPage').then((m) => ({ default: m.FavouritesPage })))
-const PlaylistsPage = lazy(() => import('./pages/PlaylistsPage').then((m) => ({ default: m.PlaylistsPage })))
-const PlaylistDetailPage = lazy(() =>
-  import('./pages/PlaylistDetailPage').then((m) => ({ default: m.PlaylistDetailPage })),
-)
-const MediaDetailPage = lazy(() => import('./pages/MediaDetailPage').then((m) => ({ default: m.MediaDetailPage })))
-const PlayerPage = lazy(() => import('./pages/PlayerPage').then((m) => ({ default: m.PlayerPage })))
+const HomePageLoader = () => import('./pages/HomePage').then((m) => ({ default: m.HomePage }))
+const LibraryPageLoader = () => import('./pages/LibraryPage').then((m) => ({ default: m.LibraryPage }))
+const LibrariesPageLoader = () => import('./pages/LibrariesPage').then((m) => ({ default: m.LibrariesPage }))
+const FavouritesPageLoader = () => import('./pages/FavouritesPage').then((m) => ({ default: m.FavouritesPage }))
+const PlaylistsPageLoader = () => import('./pages/PlaylistsPage').then((m) => ({ default: m.PlaylistsPage }))
+const PlaylistDetailPageLoader = () =>
+  import('./pages/PlaylistDetailPage').then((m) => ({ default: m.PlaylistDetailPage }))
+const MediaDetailPageLoader = () =>
+  import('./pages/MediaDetailPage').then((m) => ({ default: m.MediaDetailPage }))
+const PlayerPageLoader = () => import('./pages/PlayerPage').then((m) => ({ default: m.PlayerPage }))
+const WatchHistoryPageLoader = () =>
+  import('./pages/WatchHistoryPage').then((m) => ({ default: m.WatchHistoryPage }))
+
+const HomePage = lazy(HomePageLoader)
+const LibraryPage = lazy(LibraryPageLoader)
+const LibrariesPage = lazy(LibrariesPageLoader)
+const FavouritesPage = lazy(FavouritesPageLoader)
+const PlaylistsPage = lazy(PlaylistsPageLoader)
+const PlaylistDetailPage = lazy(PlaylistDetailPageLoader)
+const MediaDetailPage = lazy(MediaDetailPageLoader)
+const PlayerPage = lazy(PlayerPageLoader)
 const AdminPage = lazy(() => import('./pages/AdminPage').then((m) => ({ default: m.AdminPage })))
 const ProfilePage = lazy(() => import('./pages/ProfilePage').then((m) => ({ default: m.ProfilePage })))
 const DlnaPage = lazy(() => import('./pages/DlnaPage').then((m) => ({ default: m.DlnaPage })))
 const FileManagerPage = lazy(() =>
   import('./pages/FileManagerPage').then((m) => ({ default: m.FileManagerPage })),
 )
-const WatchHistoryPage = lazy(() =>
-  import('./pages/WatchHistoryPage').then((m) => ({ default: m.WatchHistoryPage })),
-)
+const WatchHistoryPage = lazy(WatchHistoryPageLoader)
 const PosterWallPage = lazy(() => import('./pages/PosterWallPage').then((m) => ({ default: m.PosterWallPage })))
 const ProfileManagementPage = lazy(() =>
   import('./pages/ProfileManagementPage').then((m) => ({ default: m.ProfileManagementPage })),
@@ -37,6 +46,34 @@ const StrmUploadQueuePage = lazy(() =>
 const ScraperQueuePage = lazy(() => import('./pages/ScraperQueuePage').then((m) => ({ default: m.ScraperQueuePage })))
 const TaskQueuePage = lazy(() => import('./pages/TaskQueuePage').then((m) => ({ default: m.TaskQueuePage })))
 
+// 常用页面的路由 chunk 空闲预取：应用加载完成后浏览器一空闲就把浏览路径
+// （库列表/库详情/媒体详情/播放/收藏/历史等）的 chunk 拉下来，
+// 首次点击进入时不再出现"加载中…"等 chunk 下载。失败静默（导航时会重试）。
+let prefetchStarted = false
+export function prefetchCommonRouteChunks() {
+  if (prefetchStarted || typeof window === 'undefined') return
+  prefetchStarted = true
+  const loaders = [
+    LibrariesPageLoader,
+    LibraryPageLoader,
+    MediaDetailPageLoader,
+    PlayerPageLoader,
+    FavouritesPageLoader,
+    WatchHistoryPageLoader,
+    PlaylistsPageLoader,
+  ]
+  const run = () => {
+    for (const load of loaders) {
+      load().catch(() => undefined)
+    }
+  }
+  if (typeof requestIdleCallback !== 'undefined') {
+    requestIdleCallback(run, { timeout: 5000 })
+  } else {
+    window.setTimeout(run, 2000)
+  }
+}
+
 export type AppRoute = {
   path?: string
   index?: boolean

web/src/components/ConfirmDialog.tsx

@@ -1,3 +1,4 @@
+import { useState } from 'react'
 import { AlertTriangle } from 'lucide-react'
 
 export type ConfirmOptions = {
@@ -6,6 +7,13 @@ export type ConfirmOptions = {
   confirmText?: string
   cancelText?: string
   danger?: boolean
+  checkboxLabel?: string
+  checkboxDefaultChecked?: boolean
+}
+
+export type ConfirmResult = {
+  confirmed: boolean
+  checked: boolean
 }
 
 export function ConfirmDialog({
@@ -13,13 +21,15 @@ export function ConfirmDialog({
   onClose,
 }: {
   options: ConfirmOptions
-  onClose: (value: boolean) => void
+  onClose: (value: ConfirmResult) => void
 }) {
   const danger = options.danger ?? true
+  const hasCheckbox = Boolean(options.checkboxLabel)
+  const [checked, setChecked] = useState(Boolean(options.checkboxDefaultChecked))
   return (
     <div
       className="fixed inset-0 z-[100] flex items-center justify-center bg-black/35 p-4 backdrop-blur-sm"
-      onClick={() => onClose(false)}
+      onClick={() => onClose({ confirmed: false, checked })}
     >
       <div
         role="dialog"
@@ -40,20 +50,31 @@ export function ConfirmDialog({
             <h3 className="font-display text-lg font-bold text-ink-600">
               {options.title || '确认操作'}
             </h3>
-            <p className="mt-2 text-sm leading-6 text-ink-50">{options.message}</p>
+            <p className="mt-2 whitespace-pre-line text-sm leading-6 text-ink-50">{options.message}</p>
+            {hasCheckbox ? (
+              <label className="mt-4 flex cursor-pointer items-start gap-2.5 text-sm text-ink-100">
+                <input
+                  type="checkbox"
+                  className="mt-0.5 h-4 w-4 rounded border-gray-300 text-red-500 focus:ring-red-400"
+                  checked={checked}
+                  onChange={(event) => setChecked(event.target.checked)}
+                />
+                <span>{options.checkboxLabel}</span>
+              </label>
+            ) : null}
           </div>
         </div>
         <div className="flex justify-end gap-2 border-t border-gray-100 bg-gray-50/80 px-5 py-4">
           <button
             type="button"
-            onClick={() => onClose(false)}
+            onClick={() => onClose({ confirmed: false, checked })}
             className="rounded-xl border border-gray-200 bg-white px-4 py-2 text-sm font-semibold text-ink-100 hover:bg-gray-50"
           >
             {options.cancelText || '取消'}
           </button>
           <button
             type="button"
-            onClick={() => onClose(true)}
+            onClick={() => onClose({ confirmed: true, checked })}
             className={
               'rounded-xl px-4 py-2 text-sm font-semibold text-white shadow-sm transition ' +
               (danger ? 'bg-red-500 hover:bg-red-600' : 'bg-brand-500 hover:bg-brand-600')

web/src/components/Layout.tsx

@@ -1,5 +1,7 @@
+import { useEffect } from 'react'
 import { useLocation, useNavigate } from 'react-router-dom'
 
+import { prefetchCommonRouteChunks } from '../appRoutes'
 import { useAuthStore } from '../stores/auth'
 import { usePlayProfileStore } from '../stores/playProfile'
 import {
@@ -37,6 +39,13 @@ function isMediaView(pathname: string, search: string): boolean {
 export function Layout() {
   const navigate = useNavigate()
   const location = useLocation()
+
+  // 登录后的外壳挂载即开始空闲预取常用页面的路由 chunk，
+  // 让首次点击进入各页面时不出现"加载中…"等 chunk 下载。
+  useEffect(() => {
+    prefetchCommonRouteChunks()
+  }, [])
+
   const user = useAuthStore((s) => s.user)
   const logout = useAuthStore((s) => s.logout)
   const activeProfileId = usePlayProfileStore((s) => s.activeProfileId)

web/src/components/LayoutHeaderSections.tsx

@@ -6,6 +6,7 @@ import { ArrowLeft, Film, LoaderCircle, Menu, Search, Star, X } from 'lucide-rea
 import { imageURL } from '../api/client'
 import { mediaAPI } from '../api/library'
 import type { Media, PlayProfile, User } from '../types'
+import { favouriteMediaLink } from '../utils/mediaNavigation'
 import { resolveHeaderBack } from './layoutNavigation'
 import { LayoutThemeToggle } from './LayoutThemeToggle'
 import { LayoutUserMenu } from './LayoutUserMenu'
@@ -149,17 +150,17 @@ function LayoutHeaderSearch() {
     return () => document.removeEventListener('mousedown', handleClickOutside)
   }, [])
 
-  const handleSelect = (mediaId: string) => {
+  const handleSelect = (item: Media) => {
     setIsOpen(false)
     setQuery('')
-    navigate(`/media/${mediaId}`)
+    navigate(favouriteMediaLink(item))
   }
 
   const handleKeyDown = (e: React.KeyboardEvent) => {
     if (e.key === 'Escape') {
       setIsOpen(false)
     } else if (e.key === 'Enter' && results.length > 0) {
-      handleSelect(results[0].id)
+      handleSelect(results[0])
     }
   }
 
@@ -220,7 +221,7 @@ function LayoutHeaderSearch() {
                 {results.map((item) => (
                   <button
                     key={item.id}
-                    onClick={() => handleSelect(item.id)}
+                    onClick={() => handleSelect(item)}
                     className="flex w-full items-center gap-3 rounded-xl p-2 text-left transition-colors hover:bg-[var(--app-hover)] group"
                   >
                     <div className="relative h-12 w-9 shrink-0 overflow-hidden rounded-lg bg-[var(--app-panel-soft)]">

web/src/components/LayoutSections.tsx

@@ -137,7 +137,7 @@ export function LayoutWorkspace({ routeKey, showMobileBottomNav = false }: Layou
   }
 
   return (
-    <main className={clsx('flex-1 overflow-y-auto px-4 py-6 md:px-8 md:py-10', bottomPad)}>
+    <main id="app-main-scroll" className={clsx('flex-1 overflow-y-auto px-4 py-6 md:px-8 md:py-10', bottomPad)}>
       <div className="max-w-7xl mx-auto">
         <AnimatePresence mode="wait">
           <motion.div

web/src/components/ManualScrapeDialogSections.tsx

@@ -202,7 +202,7 @@ function ManualScrapeCandidateRow({
     <div className="flex flex-col gap-4 rounded-xl border border-sand-200 bg-white p-3 shadow-sm sm:flex-row">
       <div className="h-28 w-20 shrink-0 overflow-hidden rounded-lg bg-sand-100">
         {item.poster_url ? (
-          <img src={imageURL(item.poster_url)} alt={item.title} className="h-full w-full object-cover" referrerPolicy="no-referrer" />
+          <img src={imageURL(item.poster_url)} alt={item.title} loading="lazy" decoding="async" className="h-full w-full object-cover" referrerPolicy="no-referrer" />
         ) : (
           <div className="flex h-full items-center justify-center text-xs text-sand-500">无海报</div>
         )}

web/src/components/MediaCard.tsx

@@ -1,12 +1,13 @@
-import { useEffect, useRef, useState, type ReactNode } from 'react'
+import { memo, useEffect, useRef, useState, type ReactNode } from 'react'
 import { Link } from 'react-router-dom'
-import { motion } from 'framer-motion'
 import { Film, Play, Layers, Star } from 'lucide-react'
 import { imageURL } from '../api/client'
 import type { Media } from '../types'
 
-export const MediaCard = ({
-  media, progress, count, rating, linkTo, onClick, actions, compact,
+// memo：父级状态变化（如轮播切图、其它卡片操作）不再级联重渲染所有卡片。
+// 注意 actions/renderActions 必须引用稳定（用 renderActions 传函数）memo 才生效。
+export const MediaCard = memo(function MediaCard({
+  media, progress, count, rating, linkTo, onClick, actions, renderActions, compact,
 }: {
   media: Media
   progress?: number
@@ -15,25 +16,26 @@ export const MediaCard = ({
   linkTo?: string
   onClick?: () => void
   actions?: ReactNode
+  renderActions?: (media: Media) => ReactNode
   compact?: boolean
-}) => {
+}) {
   const ref = useRef<HTMLDivElement>(null)
   const href = linkTo ?? `/media/${media.id}`
   const [posterFit, setPosterFit] = useState<'cover' | 'contain'>('cover')
   const posterSrc = imageURL(media.poster_url, media.updated_at)
   const displayRating = rating ?? media.rating
   const versionCount = media.versions?.length ?? 0
+  // renderActions 延迟到卡片自身渲染时才调用，保证 memo 生效
+  const actionContent = actions ?? renderActions?.(media)
 
   useEffect(() => {
     setPosterFit('cover')
   }, [media.poster_url, media.updated_at])
 
   const card = (
-      <motion.div
+      <div
         ref={ref}
-        whileHover={{ scale: 1.04, y: -6 }}
-        transition={{ type: 'spring', stiffness: 280, damping: 22 }}
-        className="relative overflow-hidden rounded-2xl border border-[var(--app-border)] bg-[var(--app-panel)] shadow-[0_1px_3px_rgba(0,0,0,0.01),0_1px_2px_rgba(0,0,0,0.015)] transition-all duration-300 hover:border-brand-500/40 hover:shadow-[0_12px_32px_var(--app-shadow)]"
+        className="relative overflow-hidden rounded-2xl border border-[var(--app-border)] bg-[var(--app-panel)] shadow-[0_1px_3px_rgba(0,0,0,0.01),0_1px_2px_rgba(0,0,0,0.015)] transition-all duration-300 hover:scale-[1.04] hover:-translate-y-1.5 hover:border-brand-500/40 hover:shadow-[0_12px_32px_var(--app-shadow)]"
       >
         {/* Poster Wrapper */}
         <div className="relative aspect-[2/3] w-full overflow-hidden bg-[var(--app-panel-soft)]">
@@ -95,16 +97,11 @@ export const MediaCard = ({
             </span>
           )}
 
-          {/* Premium Hover Overlay */}
+          {/* Premium Hover Overlay（CSS 过渡替代 framer-motion 逐卡动画实例） */}
           <div className={`absolute inset-0 bg-gradient-to-t from-[#111827]/90 via-[#111827]/30 to-transparent opacity-0 group-hover:opacity-100 transition-opacity duration-300 flex flex-col justify-end ${
             compact ? 'p-3' : 'p-4'
           }`}>
-            <motion.div
-              initial={{ y: 15, opacity: 0 }}
-              whileHover={{ y: 0, opacity: 1 }}
-              transition={{ duration: 0.2 }}
-              className="space-y-2"
-            >
+            <div className="space-y-2 translate-y-4 transition-transform duration-200 group-hover:translate-y-0">
               <span className={`inline-flex items-center gap-1.5 rounded-xl bg-brand-500 px-4 py-2 font-bold text-white shadow-md shadow-brand-500/20 ${
                 compact ? 'py-1.5 text-[11px]' : 'text-xs py-2'
               }`}>
@@ -116,15 +113,15 @@ export const MediaCard = ({
                   {media.overview || "暂无简介内容"}
                 </p>
               )}
-            </motion.div>
+            </div>
           </div>
 
           {/* Progress Bar overlay */}
           {progress !== undefined && progress > 0 && progress < 1 && (
             <div className="absolute inset-x-0 bottom-0 h-1.5 bg-[var(--app-hover)]">
-              <div 
-                className="h-full bg-gradient-to-r from-brand-400 to-brand-500 rounded-r-full transition-all duration-300" 
-                style={{ width: `${Math.round(progress * 100)}%` }} 
+              <div
+                className="h-full bg-gradient-to-r from-brand-400 to-brand-500 rounded-r-full transition-all duration-300"
+                style={{ width: `${Math.round(progress * 100)}%` }}
               />
             </div>
           )}
@@ -148,7 +145,7 @@ export const MediaCard = ({
             )}
           </div>
         </div>
-      </motion.div>
+      </div>
   )
 
   if (onClick) {
@@ -157,23 +154,23 @@ export const MediaCard = ({
         <button type="button" onClick={onClick} className="block w-full text-left">
           {card}
         </button>
-        {actions && (
+        {actionContent && (
           <div className="absolute right-2 top-2 z-20 flex flex-wrap justify-end gap-1 opacity-0 transition-opacity group-hover:opacity-100 focus-within:opacity-100">
-            {actions}
+            {actionContent}
           </div>
         )}
       </div>
     )
   }
 
-  if (actions) {
+  if (actionContent) {
     return (
       <div className="group relative block">
         <Link to={href} className="block">
           {card}
         </Link>
         <div className="absolute right-2 top-2 z-20 flex flex-wrap justify-end gap-1 opacity-0 transition-opacity group-hover:opacity-100 focus-within:opacity-100">
-          {actions}
+          {actionContent}
         </div>
       </div>
     )
@@ -184,4 +181,4 @@ export const MediaCard = ({
         {card}
     </Link>
   )
-}
+})

web/src/components/PermissionGuard.tsx

@@ -1,52 +0,0 @@
-import { type ReactNode } from 'react'
-
-import { usePermissionStore } from '../stores/permissions'
-import { useAuthStore } from '../stores/auth'
-
-interface PermissionGuardProps {
-  permission: string
-  children: ReactNode
-  fallback?: ReactNode
-  requireSuperUser?: boolean
-}
-
-/**
- * PermissionGuard 组件用于根据用户权限控制内容显示。
- * 
- * @param permission - 需要的权限键
- * @param children - 有权限时显示的内容
- * @param fallback - 无权限时显示的内容（可选，默认不显示）
- * @param requireSuperUser - 是否要求超级用户（admin/plus）绕过权限检查
- */
-export function PermissionGuard({ 
-  permission, 
-  children, 
-  fallback = null,
-  requireSuperUser = false,
-}: PermissionGuardProps) {
-  const { hasPermission, isSuper, permissions, isLoading } = usePermissionStore()
-  const tier = useAuthStore((state) => state.tier)
-  const role = useAuthStore((state) => state.user?.role)
-
-  // 超级用户（admin 或 plus）默认有所有权限
-  if (isSuper || tier === 'plus' || role === 'admin') {
-    return <>{children}</>
-  }
-
-  // 如果 requireSuperUser 为 true 且用户不是超级用户，则不显示
-  if (requireSuperUser && !isSuper) {
-    return <>{fallback}</>
-  }
-
-  // 加载中时显示 fallback
-  if (isLoading && Object.keys(permissions).length === 0) {
-    return <>{fallback}</>
-  }
-
-  // 检查具体权限
-  if (hasPermission(permission)) {
-    return <>{children}</>
-  }
-
-  return <>{fallback}</>
-}