[feat][prompt] prompt as a service (ptaas)

backend/go.mod

@@ -14,6 +14,7 @@ require (
 	github.com/alitto/pond/v2 v2.3.4
 	github.com/apache/rocketmq-client-go/v2 v2.1.2
 	github.com/apache/thrift v0.19.0
+	github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2
 	github.com/aws/aws-sdk-go v1.55.7
 	github.com/baidubce/bce-qianfan-sdk/go/qianfan v0.0.15
 	github.com/bytedance/gg v1.0.0
@@ -78,6 +79,7 @@ require (
 	github.com/spf13/viper v1.20.1
 	github.com/stretchr/testify v1.10.0
 	github.com/valyala/fasttemplate v1.2.2
+	github.com/vincent-petithory/dataurl v1.0.0
 	github.com/volcengine/volcengine-go-sdk v1.1.4
 	github.com/xeipuuv/gojsonschema v1.2.0
 	go.opentelemetry.io/proto/otlp v1.7.1
@@ -249,7 +251,7 @@ require (
 	golang.org/x/tools v0.34.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20250728155136-f173205681a0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250728155136-f173205681a0 // indirect
-	google.golang.org/grpc v1.74.2 // indirect
+	google.golang.org/grpc v1.74.2
 	google.golang.org/protobuf v1.36.6
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	gopkg.in/src-d/go-errors.v1 v1.0.0 // indirect

backend/go.sum

@@ -102,6 +102,8 @@ github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmV
 github.com/armon/go-metrics v0.3.9/go.mod h1:4O98XIr/9W0sxpJ8UaYkvjk10Iff7SnFrb4QAOwNTFc=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/armon/go-radix v1.0.0/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
+github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 h1:DklsrG3dyBCFEj5IhUbnKptjxatkF07cF2ak3yi77so=
+github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2/go.mod h1:WaHUgvxTVq04UNunO+XhnAqY/wQc+bxr74GqbsZ/Jqw=
 github.com/avast/retry-go v3.0.0+incompatible/go.mod h1:XtSnn+n/sHqQIpZ10K1qAevBhOOCWBLXXy3hyiqqBrY=
 github.com/aws/aws-sdk-go v1.40.45/go.mod h1:585smgzpB/KqRA+K3y/NL/oYRqQvpNJYvLm+LY1U59Q=
 github.com/aws/aws-sdk-go v1.55.7 h1:UJrkFq7es5CShfBwlWAC8DA077vp8PyVbQd3lqLiztE=
@@ -249,12 +251,14 @@ github.com/coocood/freecache v1.2.4/go.mod h1:RBUWa/Cy+OHdfTGFEhEuE1pMCMX51Ncizj
 github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
-github.com/coze-dev/cozeloop-go v0.1.9 h1:4mb1x+uP0WNRG/safwWrOwm65T+qQsWOt+W8ZrZEFUU=
-github.com/coze-dev/cozeloop-go v0.1.9/go.mod h1:RMH0F6ZMwZm4ZL92IHLjTf4lmr8QHxYJVPCdz60ZbbI=
 github.com/coze-dev/cozeloop-go v0.1.10-0.20250901062520-61d3699b1e83 h1:7Jh4flr9XqvissJtafWhTcs1vcErUcsjNkkniH/szxY=
 github.com/coze-dev/cozeloop-go v0.1.10-0.20250901062520-61d3699b1e83/go.mod h1:RMH0F6ZMwZm4ZL92IHLjTf4lmr8QHxYJVPCdz60ZbbI=
+github.com/coze-dev/cozeloop-go v0.1.10-0.20250908135219-177e3684e3b0 h1:RUeArwrJ2KN9Ts0CowFjRxmdQ1lYOjBObqZa6eWc0Pk=
+github.com/coze-dev/cozeloop-go v0.1.10-0.20250908135219-177e3684e3b0/go.mod h1:HItWiKBuKWwFJEcQ8ysjLjH1s8DBSEZJ4bL9H7OLI2c=
 github.com/coze-dev/cozeloop-go/spec v0.1.4-0.20250829072213-3812ddbfb735 h1:qxAwjHy0SLQazDO3oGJ8D24vOeM2Oz2+n27bNPegBls=
 github.com/coze-dev/cozeloop-go/spec v0.1.4-0.20250829072213-3812ddbfb735/go.mod h1:/f3BrWehffwXIpd4b5rYIqktLd/v5dlLBw0h9F/LQIU=
+github.com/coze-dev/cozeloop-go/spec v0.1.4-0.20250901062520-61d3699b1e83 h1:6eGUPoX88L56+5qlNuEcHuBijwcZKganDjx91d/AfH4=
+github.com/coze-dev/cozeloop-go/spec v0.1.4-0.20250901062520-61d3699b1e83/go.mod h1:/f3BrWehffwXIpd4b5rYIqktLd/v5dlLBw0h9F/LQIU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548 h1:iwZdTE0PVqJCos1vaoKsclOGD3ADKpshg3SRtYBbwso=
@@ -918,6 +922,8 @@ github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6Kllzaw
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
 github.com/valyala/fasttemplate v1.2.2 h1:lxLXG0uE3Qnshl9QyaK6XJxMXlQZELvChBOCmQD0Loo=
 github.com/valyala/fasttemplate v1.2.2/go.mod h1:KHLXt3tVN2HBp8eijSv/kGJopbvo7S+qRAEEKiv+SiQ=
+github.com/vincent-petithory/dataurl v1.0.0 h1:cXw+kPto8NLuJtlMsI152irrVw9fRDX8AbShPRpg2CI=
+github.com/vincent-petithory/dataurl v1.0.0/go.mod h1:FHafX5vmDzyP+1CQATJn7WFKc9CvnvxyvZy6I1MrG/U=
 github.com/volcengine/volc-sdk-golang v1.0.23/go.mod h1:AfG/PZRUkHJ9inETvbjNifTDgut25Wbkm2QoYBTbvyU=
 github.com/volcengine/volc-sdk-golang v1.0.172 h1:475eZM4pLPNtN2FIypdJ6lSj0lQsk1wfDwxUBqpNFY4=
 github.com/volcengine/volc-sdk-golang v1.0.172/go.mod h1:PA2CrkTf08dsmb1fLQbkF00/804nCPcPeMLqa7+FdTk=