Em 0002

Source content

{

"$schema": "https://epistemedia.com/schemas/task-contract-v1.json",

"id": "EM-0002",

"title": "Specify and implement the normative event envelope v0.1",

"status": "ready",

"change_class": "protocol-normative",

"objective": "Turn the draft event envelope into a canonical, replay-tested protocol object covering identity, parents, actor lineage, valid/observed/recorded time, payload digest, visibility, signatures, and supersession.",

"depends_on": ["EM-0001"],

"authority": {

"allowed_paths": ["schemas/", "src/", "tests/", "docs/", "tasks/", "governance/proposals/"],

"protected_paths": ["schemas/event-envelope-v1.json", "constitution/", "policies/"]

},

"required_evaluation": [

"independent protocol evaluator",

"replay and canonicalization property tests",

"cross-language canonical byte fixtures",

"backward/forward compatibility analysis",

"disclosure metadata review"

],

"acceptance": [

"canonical bytes and event IDs are specified without implementation ambiguity",

"parent and chain validation reject missing, cyclic, and equivocated history",

"three-time semantics are represented without forcing false precision",

"unknown actor lineage remains explicit",

"supersession never mutates accepted prior events",

"reference fixtures replay identically in a clean clone"

]

}