{
"$type": "com.atproto.lexicon.schema",
"defs": {
"main": {
"description": "Compiled system prompt for one conversation, stored at the conversation's rkey. Recompile overwrites in place (same rkey, new cid): at most one record per conversation, stable identity.",
"key": "tid",
"record": {
"properties": {
"agent": {
"description": "The agent whose system template was compiled.",
"format": "at-uri",
"type": "string"
},
"compiledAt": {
"format": "datetime",
"type": "string"
},
"content": {
"description": "Full compiled system prompt: the agent's template with core memory injected.",
"maxLength": 200000,
"type": "string"
},
"conversation": {
"description": "The conversation this prompt belongs to. Matches the record key; kept explicit so the graph is traversable from the conversation.",
"format": "at-uri",
"type": "string"
},
"coreMemory": {
"description": "The rendered core-memory portion only. Kept separate from content because it is re-injected mid-conversation as a memory update when memfs changes; it is a substring of content.",
"maxLength": 200000,
"type": "string"
},
"memfsRevision": {
"description": "Memfs git revision the core memory was rendered from. Used to detect staleness when memory files change.",
"maxLength": 128,
"type": "string"
},
"rawSystemHash": {
"description": "Hash of the raw system template. Used to detect staleness when the agent's template changes.",
"maxLength": 128,
"type": "string"
}
},
"required": [
"agent",
"conversation",
"content",
"coreMemory",
"rawSystemHash",
"compiledAt"
],
"type": "object"
},
"type": "record"
}
},
"description": "Sidecar record caching a conversation's compiled system prompt. Shares the rkey (TID) of its conversation; different collection (the atproto sidecar pattern). Conversations are stable records, so future strongRefs to them keep working while this record mutates.",
"id": "xyz.quasigod.lab.letta.compiledPrompt",
"lexicon": 1
}