1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
syntax = "proto3";
package agent.v1;
import "google/protobuf/timestamp.proto";
// Embedding record.
message EmbeddingRecord {
string id = 1;
string session_id = 2;
string model = 3;
repeated float vector = 4;
string metadata = 5; // JSON
google.protobuf.Timestamp created_at = 6;
}
// Scored embedding result.
message ScoredEmbedding {
EmbeddingRecord record = 1;
double score = 2;
}
// Upsert embedding request.
message UpsertEmbeddingRequest {
string session_id = 1;
string model = 2;
repeated float vector = 3;
string metadata = 4; // JSON
}
// Upsert embedding response.
message UpsertEmbeddingResponse {
EmbeddingRecord record = 1;
}
// Search embeddings request.
message SearchEmbeddingsRequest {
repeated float query = 1;
uint32 limit = 2;
}
// Search embeddings response.
message SearchEmbeddingsResponse {
repeated ScoredEmbedding results = 1;
}
// Delete embedding request.
message DeleteEmbeddingRequest {
string id = 1;
}
// Delete embedding response.
message DeleteEmbeddingResponse {}
// Delete embeddings by session request.
message DeleteEmbeddingsBySessionRequest {
string session_id = 1;
}
// Delete embeddings by session response.
message DeleteEmbeddingsBySessionResponse {
uint64 deleted = 1;
}
// Embedding service.
service EmbeddingService {
rpc UpsertEmbedding(UpsertEmbeddingRequest) returns (UpsertEmbeddingResponse);
rpc SearchEmbeddings(SearchEmbeddingsRequest) returns (SearchEmbeddingsResponse);
rpc DeleteEmbedding(DeleteEmbeddingRequest) returns (DeleteEmbeddingResponse);
rpc DeleteEmbeddingsBySession(DeleteEmbeddingsBySessionRequest) returns (DeleteEmbeddingsBySessionResponse);
}