add span key input_cached_tokens

1. add span key input_cached_tokens

custom trace connect ptaas trace

1. support custom trace connect ptaas trace
2. fix async ptaas httpclient, modify to use AsyncClient

support prompt as a service (PTaaS)

1. support prompt as a service (PTaaS)

upgrade spec version to v0.1.4

1. upgrade spec version to v0.1.4

PE support MultiModal variable and prompt label

1. PE supports MultiModal variable hosting;
2. PE supports obtaining the corresponding prompt through version tags;

add prompt argument type

1. add prompt argument type

support trace queue & tag truncate & tag finish event processor config

1. support FinishEventProcessor
2. support traceTagTruncateConf
3. support traceQueueConf
4. support modify apiBasePath

tracespec prompt add arg type

• tracespec prompt add arg type

v0.1.8

start span return src ctx when closed

v0.1.7

• support custom exporter
• make noop client public