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server-core/conversation/requirements

packages/server/src/conversation/requirements

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Purpose

Conversation-domain requirement helpers.

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Public surface

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authorizeConversationCreateCapacityOnly

Function
Capacity authorization for conversation creation. The capacity check runs BEFORE the existence lookup so an oversized participants list is rejected without reaching the database — the lookup’s IN clause is bounded by the group limit, not by whatever the caller sent on the wire. The creator joins the conversation it opens, so it counts toward the limit alongside the named targets; duplicates collapse before either check. Returns: The authorize conversation create capacity only result.

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obtainConversationSendAccess

Function
ConversationSendAccess obtain: prove the caller participates in the conversation, then prove the conversation row still exists. A conversationId that survives the participant check but vanishes from the read is a true race (deletion) — surfaced as a defect, not a user error. Returns: The obtain conversation send access result.

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Files

  • create-authorization.ts
  • send-access.ts