fix: add recursive option to fs.rm for directory removal

fs.rm() without { recursive: true } throws ERR_FS_EISDIR on directories,
unlike the deprecated fs.rmdir() which handled empty dirs. Also fix
broken roadmap bullet in README.

README.md

@@ -296,12 +296,11 @@ pnpm dist            # macOS + Windows + Linux
 ## Roadmap
 
 - [ ] Planning mode to organize agent plans before execution
-- [ ] Visual workflow editor ([@xyflow/react](https://github.com/xyflow/xyflow)) for building and 
+- [ ] Visual workflow editor ([@xyflow/react](https://github.com/xyflow/xyflow)) for building and orchestrating agent pipelines with drag & drop
 - [ ] Multi-model support: proxy layer to use other popular LLMs (GPT, Gemini, DeepSeek, Llama, etc.), including offline/local models
 - [ ] Remote agent execution via SSH: launch and manage agent teams on remote machines over SSH (stream-json protocol over SSH channel, SFTP-based file monitoring for tasks/inboxes/config)
 - [ ] CLI runtime: Run not only on a local PC but in any headless/console environment (web UI), e.g. VPS, remote server, etc.
 - [ ] 2 modes: current (agent teams), and a new mode: regular subagents (no communication between them)
-orchestrating agent pipelines with drag & drop
 - [ ] Curate what context each agent sees (files, docs, MCP servers, skills)
 - [ ] Slash commands
 

src/main/services/extensions/skills/SkillPlanService.ts

@@ -401,7 +401,7 @@ export class SkillPlanService {
         if (entries.length > 0) {
           return;
         }
-        await fs.rm(nextDir);
+        await fs.rm(nextDir, { recursive: true });
       } catch {
         return;
       }

src/main/services/team/TeamTaskAttachmentStore.ts

@@ -180,7 +180,7 @@ export class TeamTaskAttachmentStore {
     try {
       const entries = await fs.promises.readdir(dir);
       if (entries.length === 0) {
-        await fs.promises.rm(dir);
+        await fs.promises.rm(dir, { recursive: true });
       }
     } catch {
       // ignore cleanup errors