diff --git a/cmd/creator-web/server.go b/cmd/creator-web/server.go
index 0bf5abd..08c866b 100644
--- a/cmd/creator-web/server.go
+++ b/cmd/creator-web/server.go
@@ -18,8 +18,9 @@ import (
 )
 
 const (
-	maxRequestBytes  = 8 << 10
-	maxResponseBytes = 1 << 20
+	maxRequestBytes         = 8 << 10
+	maxAdvisoryRequestBytes = 20 << 10
+	maxResponseBytes        = 1 << 20
 )
 
 //go:embed static
@@ -113,7 +114,7 @@ type browserAdvisoryRequest struct {
 
 func (g *gateway) handleAdvisory(w http.ResponseWriter, r *http.Request) {
 	var browserRequest browserAdvisoryRequest
-	if err := decodeStrictJSON(r.Body, maxRequestBytes, &browserRequest); err != nil || browserRequest.Message == "" || len(browserRequest.Message) > 16*1024 || !validID(browserRequest.SessionID) || !validID(browserRequest.WorkspaceID) {
+	if err := decodeStrictJSON(r.Body, maxAdvisoryRequestBytes, &browserRequest); err != nil || browserRequest.Message == "" || len(browserRequest.Message) > 16*1024 || !validID(browserRequest.SessionID) || !validID(browserRequest.WorkspaceID) {
 		http.Error(w, "invalid advisory request", http.StatusBadRequest)
 		return
 	}
diff --git a/cmd/creator-web/server_test.go b/cmd/creator-web/server_test.go
index 160e912..bd68991 100644
--- a/cmd/creator-web/server_test.go
+++ b/cmd/creator-web/server_test.go
@@ -8,6 +8,8 @@ import (
 	"net/http/httptest"
 	"strings"
 	"testing"
+
+	"git.cin.su/m/Assistant/contracts/cognitive"
 )
 
 func TestGatewayForwardsOnlyCreatorAllowlist(t *testing.T) {
@@ -251,6 +253,7 @@ func TestAdvisoryRequiresSessionBeforeUpstreamCalls(t *testing.T) {
 }
 
 func TestAdvisoryAssemblesTrustedIdentityAndScope(t *testing.T) {
+	longMessage := strings.Repeat("a", 16*1024)
 	core := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		if r.Header.Get("Authorization") != "Bearer bounded-session" {
 			t.Fatal("missing bounded session")
@@ -272,8 +275,12 @@ func TestAdvisoryAssemblesTrustedIdentityAndScope(t *testing.T) {
 	cognitive := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		body, _ := io.ReadAll(r.Body)
 		text := string(body)
-		if !strings.Contains(text, `"ActorID":"creator-actor"`) || !strings.Contains(text, `"PrincipalID":"creator-principal"`) || !strings.Contains(text, `"ScopeID":"trusted-scope"`) || !strings.Contains(text, `"Message":"help"`) || strings.Contains(text, "attacker") {
-			t.Fatalf("untrusted cognitive request: %s", text)
+		var trusted cognitive.AdvisoryRequest
+		if err := json.Unmarshal(body, &trusted); err != nil {
+			t.Fatal(err)
+		}
+		if trusted.ActorID != "creator-actor" || trusted.PrincipalID != "creator-principal" || trusted.ScopeID != "trusted-scope" || trusted.Message != longMessage || strings.Contains(text, "attacker") {
+			t.Fatal("cognitive request was not assembled from trusted context")
 		}
 		var request map[string]any
 		_ = json.Unmarshal(body, &request)
@@ -284,7 +291,7 @@ func TestAdvisoryAssemblesTrustedIdentityAndScope(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	request := httptest.NewRequest(http.MethodPost, "/api/advisory", strings.NewReader(`{"message":"help","session_id":"focus-session","workspace_id":"home"}`))
+	request := httptest.NewRequest(http.MethodPost, "/api/advisory", strings.NewReader(fmt.Sprintf(`{"message":%q,"session_id":"focus-session","workspace_id":"home"}`, longMessage)))
 	request.Header.Set("Authorization", "Bearer bounded-session")
 	request.Header.Set("Content-Type", "application/json")
 	response := httptest.NewRecorder()
diff --git a/dev/ACTIVE_TASK.json b/dev/ACTIVE_TASK.json
index 2242122..767168e 100644
--- a/dev/ACTIVE_TASK.json
+++ b/dev/ACTIVE_TASK.json
@@ -1,5 +1,5 @@
 {
   "task_file": "dev/tasks/DEV-000048-creator-advisory-console.json",
   "task_id": "DEV-000048",
-  "task_revision": 1
+  "task_revision": 2
 }
diff --git a/dev/tasks/DEV-000048-creator-advisory-console.json b/dev/tasks/DEV-000048-creator-advisory-console.json
index 665d939..6ce85ad 100644
--- a/dev/tasks/DEV-000048-creator-advisory-console.json
+++ b/dev/tasks/DEV-000048-creator-advisory-console.json
@@ -1,6 +1,6 @@
 {
   "task_id": "DEV-000048",
-  "task_revision": 1,
+  "task_revision": 2,
   "architecture_revision": "ADR-0006",
   "base_repo_revision": "861438a4cae844edfe8a17615fb700d17c950d8e",
   "risk_tier": "E",
@@ -17,7 +17,7 @@
   "persistence_and_migrations": [],
   "failure_retry_restart": ["advisory text is not persisted", "session/focus failure prevents cognitive call", "provider unavailable is displayed explicitly", "no automatic retry"],
   "assumptions": ["browser supplies only message and existing focus locators", "deterministic fake remains the only binding", "docker-test remains prohibited"],
-  "acceptance_scenarios": ["unauthenticated advisory denied before cognitive call", "browser cannot select Actor/Principal/Scope/binding/provider/context", "trusted request uses current session and validated focus", "UI labels advisory as non-canonical and unavailable", "message is not stored in local/session storage", "desktop/mobile layout and console are clean"],
+  "acceptance_scenarios": ["unauthenticated advisory denied before cognitive call", "browser cannot select Actor/Principal/Scope/binding/provider/context", "trusted request uses current session and validated focus", "the gateway accepts the full 16 KiB advisory message contract plus its JSON envelope", "UI labels advisory as non-canonical and unavailable", "message is not stored in local/session storage", "desktop/mobile layout and console are clean"],
   "required_tests": ["unit", "gateway adversarial", "static UI", "go test", "go vet", "architecture preflight", "exact diff scope", "browser desktop/mobile", "CI"],
   "terminal_gap_states": ["BLOCKED_BY_ARCHITECTURE_GAP", "BLOCKED_BY_SPEC_GAP", "BLOCKED_BY_CONFLICT"]
 }