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feat: support auto-enable reasoning mode based on intention #1

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Merged
merged 1 commit into from
Aug 27, 2025
Merged

feat: support auto-enable reasoning mode based on intention #1

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442 changes: 235 additions & 207 deletions config/config.yaml
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8 changes: 4 additions & 4 deletions config/envoy.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@ static_resources:
upstream_local_address: "%UPSTREAM_LOCAL_ADDRESS%"
request_id: "%REQ(X-REQUEST-ID)%"
selected_model: "%REQ(X-SELECTED-MODEL)%"
selected_endpoint: "%REQ(X-GATEWAY-DESTINATION-ENDPOINT)%"
selected_endpoint: "%REQ(X-SEMANTIC-DESTINATION-ENDPOINT)%"
route_config:
name: local_route
virtual_hosts:
Expand All @@ -42,7 +42,7 @@ static_resources:
- match:
prefix: "/"
headers:
- name: "x-gateway-destination-endpoint"
- name: "x-semantic-destination-endpoint"
string_match:
exact: "endpoint1"
route:
Expand All @@ -51,7 +51,7 @@ static_resources:
- match:
prefix: "/"
headers:
- name: "x-gateway-destination-endpoint"
- name: "x-semantic-destination-endpoint"
string_match:
exact: "endpoint2"
route:
Expand All @@ -60,7 +60,7 @@ static_resources:
- match:
prefix: "/"
headers:
- name: "x-gateway-destination-endpoint"
- name: "x-semantic-destination-endpoint"
string_match:
exact: "endpoint3"
route:
Expand Down
8 changes: 5 additions & 3 deletions src/semantic-router/pkg/config/config.go
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Expand Up @@ -213,9 +213,11 @@ type ModelScore struct {
}

type Category struct {
Name string `yaml:"name"`
Description string `yaml:"description,omitempty"`
ModelScores []ModelScore `yaml:"model_scores"`
Name string `yaml:"name"`
Description string `yaml:"description,omitempty"`
UseReasoning bool `yaml:"use_reasoning"`
ReasoningDescription string `yaml:"reasoning_description,omitempty"`
ModelScores []ModelScore `yaml:"model_scores"`
}

var (
Expand Down
6 changes: 3 additions & 3 deletions src/semantic-router/pkg/extproc/endpoint_selection_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -75,7 +75,7 @@ var _ = Describe("Endpoint Selection", func() {
var modelHeaderFound bool

for _, header := range headerMutation.SetHeaders {
if header.Header.Key == "x-gateway-destination-endpoint" {
if header.Header.Key == "x-semantic-destination-endpoint" {
endpointHeaderFound = true
// Should be one of the configured endpoints
Expect(header.Header.Value).To(BeElementOf("test-endpoint1", "test-endpoint2"))
Expand Down Expand Up @@ -139,7 +139,7 @@ var _ = Describe("Endpoint Selection", func() {
var selectedEndpoint string

for _, header := range headerMutation.SetHeaders {
if header.Header.Key == "x-gateway-destination-endpoint" {
if header.Header.Key == "x-semantic-destination-endpoint" {
endpointHeaderFound = true
selectedEndpoint = header.Header.Value
break
Expand Down Expand Up @@ -198,7 +198,7 @@ var _ = Describe("Endpoint Selection", func() {
var selectedEndpoint string

for _, header := range headerMutation.SetHeaders {
if header.Header.Key == "x-gateway-destination-endpoint" {
if header.Header.Key == "x-semantic-destination-endpoint" {
endpointHeaderFound = true
selectedEndpoint = header.Header.Value
break
Expand Down
14 changes: 12 additions & 2 deletions src/semantic-router/pkg/extproc/processor.go
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Original file line number Diff line number Diff line change
Expand Up @@ -52,22 +52,30 @@ func (r *OpenAIRouter) Process(stream ext_proc.ExternalProcessor_ProcessServer)

switch v := req.Request.(type) {
case *ext_proc.ProcessingRequest_RequestHeaders:
log.Printf("DEBUG: Processing request headers")
response, err := r.handleRequestHeaders(v, ctx)
if err != nil {
log.Printf("ERROR: handleRequestHeaders failed: %v", err)
return err
}
if err := sendResponse(stream, response, "header"); err != nil {
if err := sendResponse(stream, response, "request header"); err != nil {
log.Printf("ERROR: sendResponse for headers failed: %v", err)
return err
}
log.Printf("DEBUG: Request headers processed successfully")

case *ext_proc.ProcessingRequest_RequestBody:
log.Printf("DEBUG: Processing request body - THIS IS WHERE ROUTING HAPPENS")
response, err := r.handleRequestBody(v, ctx)
if err != nil {
log.Printf("ERROR: handleRequestBody failed: %v", err)
return err
}
if err := sendResponse(stream, response, "body"); err != nil {
if err := sendResponse(stream, response, "request body"); err != nil {
log.Printf("ERROR: sendResponse for body failed: %v", err)
return err
}
log.Printf("DEBUG: Request body processed successfully")

case *ext_proc.ProcessingRequest_ResponseHeaders:
response, err := r.handleResponseHeaders(v)
Expand Down Expand Up @@ -105,5 +113,7 @@ func (r *OpenAIRouter) Process(stream ext_proc.ExternalProcessor_ProcessServer)
return err
}
}

log.Printf("DEBUG: Finished processing message, continuing to next...")
}
}
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