fix(plugins): expose enabled skills for agent assignment

electron/api/coding-product-services.ts

@@ -674,7 +674,7 @@ export function createCodingProductHost(options: CodingProductHostOptions): Codi
     async listSkills(agentId) {
       const project = await activeProject();
       const assignedSkillIds = await selectedSkillIds(project.path, agentId);
-      const effective = options.effectiveResolver
+      const effective = agentId && options.effectiveResolver
         ? await options.effectiveResolver.resolve({
           projectId: project.id,
           projectPath: project.path,
@@ -687,11 +687,17 @@ export function createCodingProductHost(options: CodingProductHostOptions): Codi
       // still supplies the availability set; only the worker opener receives
       // the effective subset.
       const skillIds = assignedSkillIds;
-      const enabledPluginIds = effective
-        ? effective.effectiveSkillIds
-        : options.getEnabledPluginIds
-          ? await options.getEnabledPluginIds(project.path)
-          : [];
+      // The unscoped list is the Agent assignment catalog.  It must expose
+      // every project-enabled plugin Skill before that Skill has been assigned;
+      // the resolver's effective subset is only authoritative once an Agent is
+      // selected (and for worker-facing projections).
+      const enabledPluginIds = !agentId && options.getEnabledPluginIds
+        ? await options.getEnabledPluginIds(project.path)
+        : effective
+          ? effective.effectiveSkillIds
+          : options.getEnabledPluginIds
+            ? await options.getEnabledPluginIds(project.path)
+            : [];
       return await options.productTools.listSkills(
         skillIds,
         enabledPluginIds,