feat: --project flag scopes get servers/instances to project

mcpctl --project NAME get servers — shows only servers attached to the project
mcpctl --project NAME get instances — shows only instances of project servers

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/cli/src/index.ts

@@ -54,6 +54,21 @@ export function createProgram(): Command {
   }));
 
   const fetchResource = async (resource: string, nameOrId?: string): Promise<unknown[]> => {
+    const projectName = program.opts().project as string | undefined;
+
+    // --project scoping for servers and instances
+    if (projectName && !nameOrId && (resource === 'servers' || resource === 'instances')) {
+      const projectId = await resolveNameOrId(client, 'projects', projectName);
+      if (resource === 'servers') {
+        return client.get<unknown[]>(`/api/v1/projects/${projectId}/servers`);
+      }
+      // instances: fetch project servers, then filter instances by serverId
+      const projectServers = await client.get<Array<{ id: string }>>(`/api/v1/projects/${projectId}/servers`);
+      const serverIds = new Set(projectServers.map((s) => s.id));
+      const allInstances = await client.get<Array<{ serverId: string }>>(`/api/v1/instances`);
+      return allInstances.filter((inst) => serverIds.has(inst.serverId));
+    }
+
     if (nameOrId) {
       // Glob pattern — use query param filtering
       if (nameOrId.includes('*')) {