Cross-User Workspace Policy v3.3
Rule
The shared Substrate mechanism is not the same thing as a shared writable source.
Each user/session/GPT route receives a workspace boundary.
Workspace layers
Public read layer
Private user/session workspace
Collaborative overlay proposal queue
Human-reviewed canonical update route
Writes allowed
Allowed:
workspace output
audit logs
receipts
collaborative overlay proposals
lexicon overlay proposals
Not allowed:
direct canonical artifact mutation
direct canonical Primordial Lexicon mutation
public contribution treated as accepted source
unreviewed AI output treated as closure
Contributor credit
Every contribution capsule should preserve:
human/session contributor
AI adapter contributor
source nodes referenced
review state
write scope
receipt