refactor: address code review feedback - extract constants, improve naming

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

ROADMAP.md

@@ -759,6 +759,7 @@ Final polish and advanced features.
 - [ ] Page Builder — drag-and-drop page designer with element palette (see [Gap Analysis](docs/design/airtable-interface-gap-analysis.md))
 - [x] Flow Builder Protocol — canvas node shapes, edge styles, BPMN node descriptors (parallel_gateway, join_gateway, boundary_event, wait), layout algorithms, palette categories (`studio/flow-builder.zod.ts`)
 - [ ] Flow Builder Runtime — visual automation flow editor with drag-and-drop canvas, node palette, property panel, minimap
+- [x] Global REST API Console — auto-discover all registered REST APIs, grouped endpoint tree with search/filter, request/response panel with history and replay (`ApiConsolePage`, `useApiDiscovery`)
 - [ ] Security Console — permission matrix, RLS policy editor
 - [ ] AI Playground — agent testing, NLQ sandbox
 - [ ] Code Editor — Monaco-based TypeScript editing with live preview

apps/studio/src/hooks/use-api-discovery.ts

@@ -23,6 +23,9 @@ export interface EndpointGroup {
 
 // ─── Static system endpoints ────────────────────────────────────────
 
+/** Metadata types that should be excluded from the endpoint tree */
+const EXCLUDED_META_TYPES = ['plugin', 'plugins', 'kind', 'package'];
+
 const SYSTEM_ENDPOINTS: EndpointDef[] = [
   { method: 'GET', path: '/api/v1/discovery', desc: 'API Discovery', group: 'System' },
   { method: 'GET', path: '/api/v1/meta/types', desc: 'List metadata types', group: 'Metadata' },
@@ -91,7 +94,7 @@ export function useApiDiscovery() {
 
       // 4. Build metadata endpoints for each type
       const metaEndpoints: EndpointDef[] = metaTypes
-        .filter(t => !['plugin', 'plugins', 'kind', 'package'].includes(t))
+        .filter(t => !EXCLUDED_META_TYPES.includes(t))
         .map(type => ({
           method: 'GET' as HttpMethod,
           path: `/api/v1/meta/${type}`,
@@ -124,12 +127,12 @@ export function useApiDiscovery() {
         groupMap.set(ep.group, existing);
       }
 
-      // Sort groups: System, Auth, Metadata, then Data groups alphabetically
-      const ORDER = ['System', 'Auth', 'Metadata'];
+      // Sort groups: System, Auth, Metadata first, then Data groups alphabetically
+      const GROUP_SORT_ORDER = ['System', 'Auth', 'Metadata'];
       const grouped = Array.from(groupMap.entries())
         .sort(([a], [b]) => {
-          const aIdx = ORDER.indexOf(a);
-          const bIdx = ORDER.indexOf(b);
+          const aIdx = GROUP_SORT_ORDER.indexOf(a);
+          const bIdx = GROUP_SORT_ORDER.indexOf(b);
           if (aIdx !== -1 && bIdx !== -1) return aIdx - bIdx;
           if (aIdx !== -1) return -1;
           if (bIdx !== -1) return 1;