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reaction_remove

reaction_remove is implemented by handleReactionRemove in src/api/handlers/reaction/reaction_remove.osl.

Handles the reaction remove protocol operation through the resource-specific helper and storage layers.

Access

Section titled “Access”
Gate Requirement
Authentication Required by the central API gate.
Central permission None. Resource, channel, ownership, or hierarchy checks may still apply in the handler/helpers.
Broadcast Yes. The transport removes the internal marker and filters recipients by channel visibility.

Request

Section titled “Request”

Every request includes cmd: "reaction_remove" and may include an opaque listener correlation value.

Field Validation / meaning
channel schema.string().defaultValue("")
thread_id schema.string().defaultValue("")
id schema.string().minLen(1)
emoji schema.string().minLen(1).maxLen(200)
cmd Read separately by the handler or a shared domain helper

Validator source

Section titled “Validator source”

The handler and shared validation path use these OSL schema definitions before normalization:

*schema.Schema schemaReactionChange = schema.object({
  channel: schema.string().defaultValue(""),
  thread_id: schema.string().defaultValue(""),
  id: schema.string().minLen(1),
  emoji: schema.string().minLen(1).maxLen(200)
})

Shared validation and domain flow: src/api/helpers/reactions.osl.

Processing path

Section titled “Processing path”
  1. handleCmd enforces authentication.
  2. dispatchCmd routes reaction_remove to handleReactionRemove.
  3. The adapter validates and normalizes input, then calls its domain collaborators.
  4. Durable mutations complete before the response or event is returned.
  5. onMessage adds the request listener to direct responses and performs any marked broadcast.

Direct collaborators visible in the handler: reactionChange, messageContext, messageTimeoutLimit, canUserReactInChannel, storedMessageById, else, configGetString, storedMessageRewrite

Responses and events

Section titled “Responses and events”

Response/event command names visible in this adapter: reaction_remove.

Validation and domain failures use:

{
  "cmd": "error",
  "val": "<message>",
  "src": "reaction_remove",
  "listener": "<copied from request>"
}