feat: add MCP server visibility panel

tests/test_issue696_mcp_visibility_panel.py

@@ -0,0 +1,46 @@
+"""Regression tests for issue #696 — MCP server visibility panel MVP."""
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+def read(relpath: str) -> str:
+    return (ROOT / relpath).read_text(encoding="utf-8")
+
+
+def test_settings_system_panel_contains_readonly_mcp_visibility_section():
+    html = read("static/index.html")
+    assert 'data-i18n="mcp_servers_title"' in html
+    assert 'id="mcpServerList"' in html
+    assert 'class="mcp-restart-hint"' in html
+    assert 'id="mcpAddFormWrap"' not in html
+    assert 'onclick="showMcpAddForm()"' not in html
+
+
+def test_mcp_panel_renders_status_badges_tool_counts_and_empty_error_states():
+    js = read("static/panels.js")
+    assert "function _mcpStatusLabel" in js
+    assert "mcp-status-badge" in js
+    assert "mcp-tool-count" in js
+    assert "mcp-empty-state" in js
+    assert "mcp-error-state" in js
+    assert "mcp_toggle_followup" in js
+    assert "api('/api/mcp/servers')" in js
+    assert "mcp-delete-btn" not in js
+    assert "showMcpAddForm" not in js
+    assert "saveMcpServer" not in js
+
+
+def test_mcp_i18n_includes_visibility_status_labels():
+    i18n = read("static/i18n.js")
+    for key in [
+        "mcp_status_active",
+        "mcp_status_configured",
+        "mcp_status_disabled",
+        "mcp_status_invalid_config",
+        "mcp_tool_count",
+        "mcp_enabled_yes",
+        "mcp_enabled_no",
+        "mcp_toggle_followup",
+    ]:
+        assert key in i18n