Unique Id of the source
Indicates source modified time
Indicates source creation time
Source title, by default generated by AI. Can be updated for citations use.
Length of file in tokens
File size in bytes
Original file name on creation
Source types are 
qa, link, fileSoure statuses are:
- Error statuses: 
error:storage,error:token,error,failerror:storage,error:tokenare pointing to subscription limits - In progress: 
assigned,await,embedding,running,chunking,downloading - Success: 
success 
Source metadata, contains 
question and answer for qa type sources.