feat(assistant): align resource tool visibility with read audiences

packages/api/src/router/assistant.ts

@@ -24,7 +24,6 @@ const MAX_OPENAI_TOOL_DEFINITIONS = 128;
 
 const ALWAYS_INCLUDED_TOOL_NAMES = new Set([
   "get_current_user",
-  "search_resources",
   "get_resource",
   "search_projects",
   "get_project",
@@ -238,12 +237,14 @@ const PLANNING_READ_TOOLS = new Set([
 
 /** Tools that require broad people-directory visibility because the backing routes expose resource-linked counts. */
 const RESOURCE_OVERVIEW_TOOLS = new Set([
+  "search_resources",
   "get_country",
   "list_org_units",
 ]);
 
 /** Tools that follow controllerProcedure access rules in the main API. */
 const CONTROLLER_ONLY_TOOLS = new Set([
+  "search_by_skill",
   "search_projects",
   "get_project",
   "search_estimates",