From 7c4981ea093be26e3ca0f9fad0f8093609214ed1 Mon Sep 17 00:00:00 2001
From: Mikhail <misha_mst@mail.ru>
Date: Sun, 23 Aug 2026 22:10:31 +0300
Subject: [PATCH] test(creator-web): guard responsive console layout

---
 cmd/creator-web/responsive_test.go            | 34 +++++++++++++++++++
 dev/ACTIVE_TASK.json                          |  4 +--
 ...8-responsive-console-regression-guard.json | 23 +++++++++++++
 3 files changed, 59 insertions(+), 2 deletions(-)
 create mode 100644 cmd/creator-web/responsive_test.go
 create mode 100644 dev/tasks/DEV-000258-responsive-console-regression-guard.json

diff --git a/cmd/creator-web/responsive_test.go b/cmd/creator-web/responsive_test.go
new file mode 100644
index 0000000..e908246
--- /dev/null
+++ b/cmd/creator-web/responsive_test.go
@@ -0,0 +1,34 @@
+package main
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestCreatorConsoleResponsiveGuardrails(t *testing.T) {
+	html, err := staticFiles.ReadFile("static/index.html")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(string(html), `<meta name="viewport" content="width=device-width, initial-scale=1">`) {
+		t.Fatal("creator console is missing responsive viewport metadata")
+	}
+	css, err := staticFiles.ReadFile("static/assets/console.css")
+	if err != nil {
+		t.Fatal(err)
+	}
+	stylesheet := string(css)
+	for _, guard := range []string{
+		"@media (max-width: 680px)",
+		".console { display: block; }",
+		".diagnostic-list { grid-template-columns: 1fr; }",
+		".agent-details { grid-template-columns: 1fr; gap: 14px; }",
+		".fleet-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }",
+		".section-nav { display: flex;",
+		"overflow-x: auto",
+	} {
+		if !strings.Contains(stylesheet, guard) {
+			t.Fatalf("responsive guardrail missing: %s", guard)
+		}
+	}
+}
diff --git a/dev/ACTIVE_TASK.json b/dev/ACTIVE_TASK.json
index a881a64..f4a310d 100644
--- a/dev/ACTIVE_TASK.json
+++ b/dev/ACTIVE_TASK.json
@@ -1,5 +1,5 @@
 {
-  "task_file": "dev/tasks/DEV-000257-operations-acceptance-fast-smoke.json",
-  "task_id": "DEV-000257",
+  "task_file": "dev/tasks/DEV-000258-responsive-console-regression-guard.json",
+  "task_id": "DEV-000258",
   "task_revision": 1
 }
diff --git a/dev/tasks/DEV-000258-responsive-console-regression-guard.json b/dev/tasks/DEV-000258-responsive-console-regression-guard.json
new file mode 100644
index 0000000..f92a21b
--- /dev/null
+++ b/dev/tasks/DEV-000258-responsive-console-regression-guard.json
@@ -0,0 +1,23 @@
+{
+  "task_id": "DEV-000258",
+  "task_revision": 1,
+  "architecture_revision": "ADR-0018",
+  "base_repo_revision": "5e8286695f0da3f3819cdc17ced6525237512e6e",
+  "risk_tier": "E",
+  "intent": "Add a fast static responsive regression guard for the authenticated Creator console while retaining the requirement for real mobile visual acceptance.",
+  "requirement_ids": ["UI responsive safety", "authenticated console acceptance"],
+  "allowed_change_scope": {"modules": ["creator-web"], "paths": ["cmd/creator-web/responsive_test.go", "dev/ACTIVE_TASK.json", "dev/tasks/DEV-000258-responsive-console-regression-guard.json"]},
+  "forbidden_change_scope": {"paths": ["architecture/**", "security/**", "database/**", "deploy/**", "contracts/**", "LLM-local/**", "cmd/core-runtime/**", "modules/**", "adapters/**"]},
+  "allowed_architecture_delta": {"new_cross_module_dependencies": 0, "new_canonical_owners": 0, "new_privileges": 0, "new_third_party_dependencies": 0, "new_database_owner_roles": 0},
+  "contracts": {"consume": ["embedded Creator console HTML/CSS"], "may_change": ["tests only"]},
+  "semantic_owner": "Creator Web presentation tests",
+  "canonical_state": ["none"],
+  "state_transitions": ["none"],
+  "side_effects_and_privileges": ["test-only static inspection"],
+  "persistence_and_migrations": ["none"],
+  "failure_retry_restart": ["test fails when responsive guardrails disappear"],
+  "assumptions": ["static guard is not a substitute for browser visual acceptance; real mobile viewport evidence remains required when browser capability exists"],
+  "acceptance_scenarios": ["viewport metadata exists", "mobile media block exists", "key panels collapse to safe single-column layouts", "only section navigation owns horizontal scrolling"],
+  "required_tests": ["go test ./cmd/creator-web", "go vet ./cmd/creator-web", "independent evidence review", "go run ./cmd/devctl preflight -active dev/ACTIVE_TASK.json", "go run ./cmd/devctl check-diff -active dev/ACTIVE_TASK.json", "go run ./cmd/devctl check-architecture", "git diff --check", "CI", "production health smoke"],
+  "terminal_gap_states": ["BLOCKED_BY_MISSING_CAPABILITY", "BLOCKED_BY_SPEC_GAP"]
+}
-- 
2.54.0