Correções de bugs, layout de cards e webhook test funcional

- Pipeline cancel/approve/reject corrigido com busca bidirecional
- Secrets injetados no executor via cleanEnv
- Versionamento automático ao atualizar agentes
- writeJsonAsync com log de erro
- Removido asyncHandler.js (código morto)
- Restaurado permissionMode padrão bypassPermissions
- Ícones dos cards alinhados à direita com wrapper
- Botão Editar convertido para ícone nos cards
- Webhook test agora dispara execução real do agente/pipeline
- Corrigido App.navigateTo no teste de webhook

public/css/styles.css

@@ -529,12 +529,19 @@ textarea {
 
 .agent-actions {
   display: flex;
+  align-items: center;
   gap: 8px;
-  padding: 12px 20px;
+  padding: 12px 16px;
   border-top: 1px solid var(--border-primary);
   margin-top: auto;
 }
 
+.agent-actions-icons {
+  display: flex;
+  gap: 4px;
+  margin-left: auto;
+}
+
 .badge {
   display: inline-flex;
   align-items: center;
@@ -683,7 +690,9 @@ textarea {
 .btn-sm.btn-icon {
   width: 30px;
   height: 30px;
+  min-width: 30px;
   padding: 0;
+  flex-shrink: 0;
 }
 
 .btn-lg {
@@ -3243,6 +3252,7 @@ tbody tr:hover td {
 
 .agent-card-actions {
   display: flex;
+  flex-wrap: wrap;
   gap: 8px;
   padding: 12px 16px;
   border-top: 1px solid var(--border-primary);
@@ -4268,3 +4278,235 @@ body, .sidebar, .header, .card, .modal-content, .input, .select, textarea, .metr
 .report-toast:hover {
   text-decoration: underline;
 }
+
+/* ─── Secrets Management ─── */
+
+.form-divider {
+  height: 1px;
+  background-color: var(--border-primary);
+  margin: 24px 0 20px;
+}
+
+.form-section-title {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  font-size: 15px;
+  font-weight: 600;
+  color: var(--text-primary);
+  margin-bottom: 8px;
+}
+
+.form-section-title i,
+.form-section-title svg {
+  width: 16px;
+  height: 16px;
+  color: var(--accent);
+}
+
+.secrets-list {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+  margin-bottom: 12px;
+}
+
+.secret-item {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 8px 12px;
+  background-color: var(--bg-tertiary);
+  border: 1px solid var(--border-primary);
+  border-radius: 8px;
+  transition: border-color 0.2s;
+}
+
+.secret-item:hover {
+  border-color: var(--border-secondary);
+}
+
+.secret-name {
+  font-size: 13px;
+  font-weight: 500;
+  color: var(--text-primary);
+  min-width: 0;
+  flex: 1;
+}
+
+.secret-value-placeholder {
+  font-size: 12px;
+  color: var(--text-muted);
+  letter-spacing: 2px;
+}
+
+.secrets-add-form {
+  display: flex;
+  gap: 8px;
+  align-items: flex-start;
+}
+
+.secrets-add-form .input {
+  flex: 1;
+  min-width: 0;
+}
+
+.secrets-add-form .input:first-child {
+  max-width: 220px;
+  font-family: 'JetBrains Mono', monospace;
+  font-size: 13px;
+  text-transform: uppercase;
+}
+
+/* ─── Version History Timeline ─── */
+
+.versions-timeline {
+  display: flex;
+  flex-direction: column;
+}
+
+.version-item {
+  display: flex;
+  gap: 16px;
+  position: relative;
+}
+
+.version-node {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  flex-shrink: 0;
+  width: 20px;
+}
+
+.version-dot {
+  width: 12px;
+  height: 12px;
+  border-radius: 50%;
+  background-color: var(--border-secondary);
+  border: 2px solid var(--bg-secondary);
+  flex-shrink: 0;
+  z-index: 1;
+}
+
+.version-dot--active {
+  background-color: var(--accent);
+  box-shadow: 0 0 0 3px var(--accent-glow);
+}
+
+.version-line {
+  width: 2px;
+  flex: 1;
+  background-color: var(--border-primary);
+  min-height: 20px;
+}
+
+.version-content {
+  flex: 1;
+  padding-bottom: 24px;
+  min-width: 0;
+}
+
+.version-header {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  flex-wrap: wrap;
+  margin-bottom: 6px;
+}
+
+.version-number {
+  font-size: 14px;
+  font-weight: 600;
+  color: var(--text-primary);
+  font-family: 'JetBrains Mono', monospace;
+}
+
+.version-date {
+  font-size: 12px;
+  color: var(--text-muted);
+}
+
+.version-changes {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 4px;
+  margin-bottom: 6px;
+}
+
+.version-field-badge {
+  display: inline-flex;
+  align-items: center;
+  padding: 2px 8px;
+  border-radius: 4px;
+  font-size: 11px;
+  font-weight: 500;
+  background-color: var(--accent-glow);
+  color: var(--accent);
+}
+
+.version-changelog {
+  font-size: 13px;
+  color: var(--text-secondary);
+  line-height: 1.5;
+}
+
+.version-item--latest .version-content {
+  padding-bottom: 20px;
+}
+
+/* ─── Light theme overrides for new elements ─── */
+
+[data-theme="light"] .secret-item {
+  background-color: var(--bg-tertiary);
+  border-color: var(--border-color);
+}
+
+[data-theme="light"] .secret-item:hover {
+  border-color: #c8ccd6;
+}
+
+[data-theme="light"] .version-dot {
+  border-color: var(--bg-secondary);
+  background-color: #c8ccd6;
+}
+
+[data-theme="light"] .version-dot--active {
+  background-color: var(--accent);
+}
+
+[data-theme="light"] .version-line {
+  background-color: var(--border-color);
+}
+
+[data-theme="light"] .version-field-badge {
+  background-color: rgba(99, 102, 241, 0.1);
+}
+
+[data-theme="light"] .form-divider {
+  background-color: var(--border-color);
+}
+
+[data-theme="light"] .secrets-add-form .input {
+  background-color: var(--bg-input);
+  border-color: var(--border-color);
+  color: var(--text-primary);
+}
+
+/* ─── Responsive adjustments ─── */
+
+@media (max-width: 768px) {
+  .secrets-add-form {
+    flex-direction: column;
+  }
+
+  .secrets-add-form .input:first-child {
+    max-width: 100%;
+  }
+
+  .version-header {
+    flex-direction: column;
+    align-items: flex-start;
+    gap: 4px;
+  }
+}