coder · DanielleMaywood · Jul 28, 2026 · Jul 28, 2026
diff --git a/coderd/apidoc/docs.go b/coderd/apidoc/docs.go
diff --git a/coderd/apidoc/swagger.json b/coderd/apidoc/swagger.json
diff --git a/codersdk/chats.go b/codersdk/chats.go
@@ -333,7 +333,6 @@ func AllChatMessagePartTypes() []ChatMessagePartType {
 type ChatMessagePart struct {
 	Type              ChatMessagePartType `json:"type"`
 	Text              string              `json:"text" variants:"text,reasoning"`
-	Signature         string              `json:"signature,omitempty"`
 	ToolCallID        string              `json:"tool_call_id,omitempty" variants:"tool-call?,tool-result?"`
 	ToolName          string              `json:"tool_name,omitempty" variants:"tool-call?,tool-result?"`
 	MCPServerConfigID uuid.NullUUID       `json:"mcp_server_config_id,omitempty" format:"uuid" variants:"tool-call?,tool-result?"`

diff --git a/codersdk/chats_test.go b/codersdk/chats_test.go
@@ -307,7 +307,6 @@ func TestChatMessagePartVariantTags(t *testing.T) {
 	// variants tag or add it here with a comment explaining why.
 	excludedFields := map[string]string{
 		"type":                         "discriminant, added automatically by codegen",
-		"signature":                    "added in #22290, never populated by any code path",
 		"provider_metadata":            "internal only, stripped by db2sdk before API responses",
 		"context_file_content":         "internal only, stripped before API responses (typescript:\"-\")",
 		"context_file_os":              "internal only, used during prompt expansion (typescript:\"-\")",

diff --git a/docs/reference/api/chats.md b/docs/reference/api/chats.md
diff --git a/docs/reference/api/schemas.md b/docs/reference/api/schemas.md