diff --git a/ai/copilot/client.go b/ai/copilot/client.go
index 8a29675e..00ee44d3 100644
--- a/ai/copilot/client.go
+++ b/ai/copilot/client.go
@@ -147,6 +147,17 @@ func (c *Client) createSession(ctx context.Context) (SessionWrapper, error) {
 	return session, nil
 }
 
+func assistantMessageText(resp *copilot.SessionEvent) (string, bool) {
+	if resp == nil {
+		return "", false
+	}
+	data, ok := resp.Data.(*copilot.AssistantMessageData)
+	if !ok {
+		return "", false
+	}
+	return data.Content, true
+}
+
 // GenerateWorkflow creates a workflow config from a natural language request.
 func (c *Client) GenerateWorkflow(ctx context.Context, req ai.GenerateRequest) (*ai.GenerateResponse, error) {
 	session, err := c.createSession(ctx)
@@ -162,11 +173,11 @@ func (c *Client) GenerateWorkflow(ctx context.Context, req ai.GenerateRequest) (
 		return nil, fmt.Errorf("copilot request failed: %w", err)
 	}
 
-	if resp == nil || resp.Data.Content == nil {
+	text, ok := assistantMessageText(resp)
+	if !ok {
 		return nil, fmt.Errorf("empty response from Copilot")
 	}
 
-	text := *resp.Data.Content
 	jsonStr := aillm.ExtractJSON(text)
 	if jsonStr == "" {
 		return nil, fmt.Errorf("no JSON found in Copilot response")
@@ -194,11 +205,12 @@ func (c *Client) GenerateComponent(ctx context.Context, spec ai.ComponentSpec) (
 		return "", fmt.Errorf("copilot request failed: %w", err)
 	}
 
-	if resp == nil || resp.Data.Content == nil {
+	text, ok := assistantMessageText(resp)
+	if !ok {
 		return "", fmt.Errorf("empty response from Copilot")
 	}
 
-	return aillm.ExtractCode(*resp.Data.Content), nil
+	return aillm.ExtractCode(text), nil
 }
 
 // SuggestWorkflow returns workflow suggestions for a use case.
@@ -216,11 +228,11 @@ func (c *Client) SuggestWorkflow(ctx context.Context, useCase string) ([]ai.Work
 		return nil, fmt.Errorf("copilot request failed: %w", err)
 	}
 
-	if resp == nil || resp.Data.Content == nil {
+	text, ok := assistantMessageText(resp)
+	if !ok {
 		return nil, fmt.Errorf("empty response from Copilot")
 	}
 
-	text := *resp.Data.Content
 	jsonStr := aillm.ExtractJSON(text)
 	if jsonStr == "" {
 		return nil, fmt.Errorf("no JSON found in Copilot response")
@@ -253,11 +265,11 @@ func (c *Client) IdentifyMissingComponents(ctx context.Context, cfg *config.Work
 		return nil, fmt.Errorf("copilot request failed: %w", err)
 	}
 
-	if resp == nil || resp.Data.Content == nil {
+	text, ok := assistantMessageText(resp)
+	if !ok {
 		return nil, fmt.Errorf("empty response from Copilot")
 	}
 
-	text := *resp.Data.Content
 	jsonStr := aillm.ExtractJSON(text)
 	if jsonStr == "" {
 		return nil, nil // no missing components
diff --git a/ai/copilot/client_test.go b/ai/copilot/client_test.go
index 3f645850..5da596d8 100644
--- a/ai/copilot/client_test.go
+++ b/ai/copilot/client_test.go
@@ -47,7 +47,7 @@ func newTestClient(wrapper ClientWrapper) *Client {
 // Helper to create a SessionEvent with the given text content.
 func sessionEventWithContent(text string) *copilot.SessionEvent {
 	return &copilot.SessionEvent{
-		Data: copilot.Data{Content: &text},
+		Data: &copilot.AssistantMessageData{Content: text},
 	}
 }
 
@@ -220,9 +220,9 @@ func TestGenerateWorkflow_EmptyResponse(t *testing.T) {
 	}
 }
 
-func TestGenerateWorkflow_NilContent(t *testing.T) {
+func TestGenerateWorkflow_NonAssistantResponse(t *testing.T) {
 	event := &copilot.SessionEvent{
-		Data: copilot.Data{Content: nil},
+		Data: nil,
 	}
 	wrapper := mockWrapperWithResponse(event, nil)
 	client := newTestClient(wrapper)
diff --git a/go.mod b/go.mod
index 6b584b8c..8da81d16 100644
--- a/go.mod
+++ b/go.mod
@@ -19,7 +19,7 @@ require (
 	github.com/docker/docker v28.5.2+incompatible
 	github.com/expr-lang/expr v1.17.8
 	github.com/fsnotify/fsnotify v1.9.0
-	github.com/github/copilot-sdk/go v0.2.0
+	github.com/github/copilot-sdk/go v0.3.0
 	github.com/golang-jwt/jwt/v5 v5.3.1
 	github.com/google/uuid v1.6.0
 	github.com/gorilla/websocket v1.5.4-0.20250319132907-e064f32e3674
diff --git a/go.sum b/go.sum
index ad13a711..19bf5a1b 100644
--- a/go.sum
+++ b/go.sum
@@ -207,8 +207,8 @@ github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S
 github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
 github.com/fxamacker/cbor/v2 v2.9.2 h1:X4Ksno9+x3cz0TZv69ec1hxP/+tymuR8PXQJyDwfh78=
 github.com/fxamacker/cbor/v2 v2.9.2/go.mod h1:vM4b+DJCtHn+zz7h3FFp/hDAI9WNWCsZj23V5ytsSxQ=
-github.com/github/copilot-sdk/go v0.2.0 h1:RnrIIirmtp4wGgqSQFJ2k9phbeveIxOtYZqDogoNEa0=
-github.com/github/copilot-sdk/go v0.2.0/go.mod h1:uGWkjVYcp2DV9DgtqYihh5tEoJjNqxIFaUNnrwY4FxM=
+github.com/github/copilot-sdk/go v0.3.0 h1:LPMpoJzUTfrPbr/5e7s5QKvi66PMmREnbZ9kRxPe6ls=
+github.com/github/copilot-sdk/go v0.3.0/go.mod h1:uGWkjVYcp2DV9DgtqYihh5tEoJjNqxIFaUNnrwY4FxM=
 github.com/go-chi/chi/v5 v5.2.2 h1:CMwsvRVTbXVytCk1Wd72Zy1LAsAh9GxMmSNWLHCG618=
 github.com/go-chi/chi/v5 v5.2.2/go.mod h1:L2yAIGWB3H+phAw1NxKwWM+7eUH/lU8pOMm5hHcoops=
 github.com/go-jose/go-jose/v4 v4.1.4 h1:moDMcTHmvE6Groj34emNPLs/qtYXRVcd6S7NHbHz3kA=