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feat: add EventMessage and SummaryMessage (#5765)

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* feat: add new message types for 1.0

* feat: add new message types for 1.0

* update apis

* update openapi

---------

Co-authored-by: jnjpng <jin@letta.com>
Co-authored-by: Letta Bot <noreply@letta.com>
This commit is contained in:
Sarah Wooders
2025-11-04 18:02:58 +00:00
committed by Caren Thomas
parent d33fd219db
commit caa79d7bc9
3 changed files with 279 additions and 4 deletions
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25
letta/schemas/letta_message.py
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@@ -368,6 +368,25 @@ class LettaPing(LettaMessage):
)
class SummaryMessage(LettaMessage):
"""
A message representing a summary of the conversation. Sent to the LLM as a user or system message depending on the provider.
"""
message_type: Literal["summary"] = "summary_message"
summary: str
class EventMessage(LettaMessage):
"""
A message for notifying the developer that an event that has occured (e.g. a compaction). Events are NOT part of the context window.
"""
message_type: Literal["event"] = "event_message"
event_type: Literal["compaction"]
event_data: dict
# NOTE: use Pydantic's discriminated unions feature: https://docs.pydantic.dev/latest/concepts/unions/#discriminated-unions
LettaMessageUnion = Annotated[
Union[
@@ -380,6 +399,8 @@ LettaMessageUnion = Annotated[
AssistantMessage,
ApprovalRequestMessage,
ApprovalResponseMessage,
SummaryMessage,
EventMessage,
],
Field(discriminator="message_type"),
]
@@ -397,6 +418,8 @@ def create_letta_message_union_schema():
{"$ref": "#/components/schemas/AssistantMessage"},
{"$ref": "#/components/schemas/ApprovalRequestMessage"},
{"$ref": "#/components/schemas/ApprovalResponseMessage"},
{"$ref": "#/components/schemas/SummaryMessage"},
{"$ref": "#/components/schemas/EventMessage"},
],
"discriminator": {
"propertyName": "message_type",
@@ -410,6 +433,8 @@ def create_letta_message_union_schema():
"assistant_message": "#/components/schemas/AssistantMessage",
"approval_request_message": "#/components/schemas/ApprovalRequestMessage",
"approval_response_message": "#/components/schemas/ApprovalResponseMessage",
"summary": "#/components/schemas/SummaryMessage",
"event": "#/components/schemas/EventMessage",
},
},
}