Add service catalog tool renderer

cli/src/components/tools/__tests__/gravity-index.test.ts

@@ -0,0 +1,49 @@
+import { describe, expect, test } from 'bun:test'
+
+import { getGravityIndexDescription } from '../gravity-index'
+
+describe('getGravityIndexDescription', () => {
+  test('describes search queries', () => {
+    expect(
+      getGravityIndexDescription({
+        action: 'search',
+        query: 'transactional email for a Next.js app',
+      }),
+    ).toBe('Searching transactional email for a Next.js app')
+  })
+
+  test('describes browse category and keyword', () => {
+    expect(
+      getGravityIndexDescription({
+        action: 'browse',
+        category: 'Email',
+        q: 'send',
+      }),
+    ).toBe('Browsing Email for send')
+  })
+
+  test('describes service detail lookups', () => {
+    expect(
+      getGravityIndexDescription({
+        action: 'get_service',
+        slug: 'sendgrid',
+      }),
+    ).toBe('Getting sendgrid')
+  })
+
+  test('describes completed integration reports', () => {
+    expect(
+      getGravityIndexDescription({
+        action: 'report_integration',
+        integrated_slug: 'sendgrid',
+      }),
+    ).toBe('Reporting sendgrid integration')
+  })
+
+  test('uses fallback text for unknown input', () => {
+    expect(getGravityIndexDescription({ action: 'unknown' })).toBe(
+      'Using service catalog',
+    )
+    expect(getGravityIndexDescription(null)).toBe('Using service catalog')
+  })
+})

cli/src/components/tools/gravity-index.tsx

@@ -0,0 +1,61 @@
+import { SimpleToolCallItem } from './tool-call-item'
+import { defineToolComponent } from './types'
+
+import type { ToolRenderConfig } from './types'
+
+const asTrimmedString = (value: unknown): string =>
+  typeof value === 'string' ? value.trim() : ''
+
+export const getGravityIndexDescription = (input: unknown): string => {
+  if (!input || typeof input !== 'object') {
+    return 'Using service catalog'
+  }
+
+  const params = input as Record<string, unknown>
+  const action = asTrimmedString(params.action)
+
+  switch (action) {
+    case 'search': {
+      const query = asTrimmedString(params.query)
+      return query ? `Searching ${query}` : 'Searching services'
+    }
+    case 'browse': {
+      const category = asTrimmedString(params.category)
+      const query = asTrimmedString(params.q)
+      return ['Browsing', category || 'services', query ? `for ${query}` : '']
+        .filter(Boolean)
+        .join(' ')
+    }
+    case 'list_categories':
+      return 'Listing service categories'
+    case 'get_service': {
+      const slug = asTrimmedString(params.slug)
+      return slug ? `Getting ${slug}` : 'Getting service details'
+    }
+    case 'report_integration': {
+      const slug = asTrimmedString(params.integrated_slug)
+      return slug ? `Reporting ${slug} integration` : 'Reporting integration'
+    }
+    default:
+      return 'Using service catalog'
+  }
+}
+
+/**
+ * UI component for gravity_index.
+ * Displays a one-line summary of what Gravity Index is searching or doing.
+ */
+export const GravityIndexComponent = defineToolComponent({
+  toolName: 'gravity_index',
+
+  render(toolBlock): ToolRenderConfig {
+    return {
+      content: (
+        <SimpleToolCallItem
+          name="Service Catalog"
+          description={getGravityIndexDescription(toolBlock.input)}
+        />
+      ),
+    }
+  },
+})

cli/src/components/tools/registry.ts

@@ -1,6 +1,7 @@
 import { ApplyPatchComponent } from './apply-patch'
 import { CodeSearchComponent } from './code-search'
 import { GlobComponent } from './glob'
+import { GravityIndexComponent } from './gravity-index'
 import { ListDirectoryComponent } from './list-directory'
 import { ReadDocsComponent } from './read-docs'
 import { ReadFilesComponent } from './read-files'
@@ -30,6 +31,7 @@ const toolComponentRegistry = new Map<ToolName, ToolComponent>([
   [ApplyPatchComponent.toolName, ApplyPatchComponent],
   [CodeSearchComponent.toolName, CodeSearchComponent],
   [GlobComponent.toolName, GlobComponent],
+  [GravityIndexComponent.toolName, GravityIndexComponent],
   [ListDirectoryComponent.toolName, ListDirectoryComponent],
   [RunTerminalCommandComponent.toolName, RunTerminalCommandComponent],
   [ReadDocsComponent.toolName, ReadDocsComponent],