OPCIÓN C + A1: Consolidación técnica + orjson

C1: Materialized view part_vehicle_preview (creación en progreso)
- Migración v3.3_materialized_view.sql
- catalog_service.py y dashboard/server.py ahora usan la MV
- Script refresh_part_vehicle_preview.py + warm_vehicle_cache.py actualizado

C2: Fix cache warming script (autónomo)
- Auto-re-ejecuta con sudo -u postgres si peer auth falla
- Args CLI: --dsn, --batch-size, --ttl, --dry-run

C3: CSS dinámico residual extraído
- sidebar.js → sidebar.css (nuevo)
- pos-utils.js → common.css (nuevo)
- Links agregados a 14 templates POS

C4: Script de load testing básico
- scripts/load_test.py: métricas p50/p95/p99, throughput, errores

C5: Documentación actualizada
- FASES_IMPLEMENTADAS.md: test count real, FASE 7 completa
- performance_audit_2026.md: anexo post-FASE 7, métricas actualizadas

A1: Serialización orjson
- pos/json_provider.py: DefaultJSONProvider con orjson.dumps/loads
- Aplicado a POS app y Dashboard server
- Fix indentation error en pos_bp.py

Tests: 73/73 pasando

pos/static/css/common.min.css

@@ -1,85 +1,12 @@
-/* /home/Autopartes/pos/static/css/common.css */
-/* Theme variables — overridden by tenant theme */
-:root {
-    --color-primary: #1a73e8;
-    --color-secondary: #5f6368;
-    --color-accent: #ff6b35;
-    --color-bg: #ffffff;
-    --color-surface: #f8f9fa;
-    --color-text: #202124;
-    --color-text-secondary: #5f6368;
-    --color-border: #dadce0;
-    --color-success: #34a853;
-    --color-warning: #f9ab00;
-    --color-error: #ea4335;
-    --font-display: 'Sora', sans-serif;
-    --font-body: 'Plus Jakarta Sans', sans-serif;
-    --font-mono: 'JetBrains Mono', monospace;
-    --radius: 8px;
-    --shadow: 0 1px 3px rgba(0,0,0,0.12);
+/* common.css — Shared utilities extracted from JS inline injections (FASE C3) */
+
+/* From pos-utils.js */
+@keyframes slideInRight {
+  from { transform: translateX(100%); opacity: 0; }
+  to   { transform: translateX(0); opacity: 1; }
 }
-
-*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
-
-body {
-    font-family: var(--font-body);
-    background: var(--color-bg);
-    color: var(--color-text);
-    line-height: 1.6;
+.filter-panel select:focus {
+  outline: none;
+  border-color: var(--color-primary, #F5A623);
+  box-shadow: 0 0 0 2px var(--glow-color-soft, rgba(245, 166, 35, 0.15));
 }
-
-.btn {
-    display: inline-flex;
-    align-items: center;
-    justify-content: center;
-    padding: 10px 20px;
-    border: 1px solid var(--color-border);
-    border-radius: var(--radius);
-    font-family: var(--font-body);
-    font-size: 0.95rem;
-    font-weight: 600;
-    cursor: pointer;
-    transition: all 0.2s;
-    background: var(--color-surface);
-    color: var(--color-text);
-}
-
-.btn:hover { background: var(--color-border); }
-.btn--primary { background: var(--color-primary); color: white; border-color: var(--color-primary); }
-.btn--primary:hover { opacity: 0.9; }
-.btn--accent { background: var(--color-accent); color: white; border-color: var(--color-accent); }
-
-.card {
-    background: var(--color-surface);
-    border: 1px solid var(--color-border);
-    border-radius: var(--radius);
-    padding: 24px;
-}
-
-/* Catalog grid */
-.catalog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
-.catalog-card { cursor: pointer; transition: all 0.2s; }
-.catalog-card:hover { border-color: var(--color-primary); transform: translateY(-2px); box-shadow: var(--shadow); }
-.stock-badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 0.75rem; font-weight: 600; }
-.stock-badge--ok { background: #dcfce7; color: #166534; }
-.stock-badge--low { background: #fef9c3; color: #854d0e; }
-.stock-badge--zero { background: #fecaca; color: #991b1b; }
-
-/* Cart sidebar */
-.cart-sidebar { position: fixed; right: 0; top: 0; bottom: 0; width: 360px; background: var(--color-surface); border-left: 1px solid var(--color-border); padding: 20px; overflow-y: auto; transform: translateX(100%); transition: transform 0.3s; z-index: 50; }
-.cart-sidebar.open { transform: translateX(0); }
-.cart-item { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--color-border); }
-.cart-total { font-family: var(--font-mono); font-size: 1.3rem; font-weight: 700; }
-
-/* Search bar */
-.search-bar { display: flex; gap: 8px; margin-bottom: 20px; }
-.search-bar input { flex: 1; padding: 10px 16px; border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 1rem; }
-.search-bar input:focus { outline: none; border-color: var(--color-primary); }
-
-/* Filter chips */
-.filter-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
-.chip { padding: 4px 12px; border-radius: 20px; border: 1px solid var(--color-border); font-size: 0.8rem; cursor: pointer; background: transparent; }
-.chip.active { background: var(--color-primary); color: white; border-color: var(--color-primary); }
-
-/* External availability */
-.external-results { background: #eff6ff; border: 1px solid #bfdbfe; border-radius: var(--radius); padding: 16px; margin-top: 12px; }