refactor(websearch): unify CLI status types with ComponentStatus

- replace GeminiCliStatus, GrokCliStatus, OpenCodeCliStatus with type aliases

- use ComponentStatus from types/utils as single source of truth

- fix null vs undefined for optional fields

src/utils/websearch/gemini-cli.ts

@@ -31,8 +31,8 @@ export function getGeminiCliStatus(): GeminiCliStatus {
 
   const result: GeminiCliStatus = {
     installed: false,
-    path: null,
-    version: null,
+    path: undefined,
+    version: undefined,
   };
 
   try {

src/utils/websearch/grok-cli.ts

@@ -28,8 +28,8 @@ export function getGrokCliStatus(): GrokCliStatus {
 
   const result: GrokCliStatus = {
     installed: false,
-    path: null,
-    version: null,
+    path: undefined,
+    version: undefined,
   };
 
   try {

src/utils/websearch/opencode-cli.ts

@@ -28,8 +28,8 @@ export function getOpenCodeCliStatus(): OpenCodeCliStatus {
 
   const result: OpenCodeCliStatus = {
     installed: false,
-    path: null,
-    version: null,
+    path: undefined,
+    version: undefined,
   };
 
   try {

src/utils/websearch/status.ts

@@ -27,7 +27,7 @@ export function getWebSearchCliProviders(): WebSearchCliInfo[] {
       name: 'Gemini CLI',
       command: 'gemini',
       installed: geminiStatus.installed,
-      version: geminiStatus.version,
+      version: geminiStatus.version ?? null,
       installCommand: 'npm install -g @google/gemini-cli',
       docsUrl: 'https://github.com/google-gemini/gemini-cli',
       requiresApiKey: false,
@@ -39,7 +39,7 @@ export function getWebSearchCliProviders(): WebSearchCliInfo[] {
       name: 'OpenCode',
       command: 'opencode',
       installed: opencodeStatus.installed,
-      version: opencodeStatus.version,
+      version: opencodeStatus.version ?? null,
       installCommand: 'curl -fsSL https://opencode.ai/install | bash',
       docsUrl: 'https://github.com/sst/opencode',
       requiresApiKey: false,
@@ -51,7 +51,7 @@ export function getWebSearchCliProviders(): WebSearchCliInfo[] {
       name: 'Grok CLI',
       command: 'grok',
       installed: grokStatus.installed,
-      version: grokStatus.version,
+      version: grokStatus.version ?? null,
       installCommand: 'npm install -g @vibe-kit/grok-cli',
       docsUrl: 'https://github.com/superagent-ai/grok-cli',
       requiresApiKey: true,

src/utils/websearch/types.ts

@@ -6,32 +6,25 @@
  * @module utils/websearch/types
  */
 
+import type { ComponentStatus } from '../../types/utils';
+
 /**
  * Gemini CLI installation status
+ * @deprecated Use ComponentStatus directly
  */
-export interface GeminiCliStatus {
-  installed: boolean;
-  path: string | null;
-  version: string | null;
-}
+export type GeminiCliStatus = ComponentStatus;
 
 /**
  * Grok CLI installation status
+ * @deprecated Use ComponentStatus directly
  */
-export interface GrokCliStatus {
-  installed: boolean;
-  path: string | null;
-  version: string | null;
-}
+export type GrokCliStatus = ComponentStatus;
 
 /**
  * OpenCode CLI installation status
+ * @deprecated Use ComponentStatus directly
  */
-export interface OpenCodeCliStatus {
-  installed: boolean;
-  path: string | null;
-  version: string | null;
-}
+export type OpenCodeCliStatus = ComponentStatus;
 
 /**
  * WebSearch availability status for third-party profiles