Add new commands, skills, and agents; remove token loading script

- Add groom, plan-issues, and roadmap commands
- Add skills for backlog-grooming, forgejo, issue-writing, roadmap-planning
- Add agents directory structure
- Remove load-forgejo-token.sh and SessionStart hook (using fj auth instead)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

commands/roadmap.md

@@ -0,0 +1,31 @@
+---
+description: View current issues as a roadmap. Shows open issues organized by status and dependencies.
+---
+
+# Roadmap View
+
+Use the forgejo skill.
+
+1. **Fetch all open issues**: `fj issue search -s open`
+2. **Analyze dependencies** from issue descriptions
+3. **Categorize issues**:
+   - Blocked: Waiting on other issues
+   - Ready: No blockers, can start
+   - In Progress: Has assignee or WIP label
+4. **Present roadmap** as organized list:
+
+```
+## Ready to Start
+- #5: Add user authentication
+- #8: Create dashboard layout
+
+## In Progress
+- #3: Setup database schema
+
+## Blocked
+- #7: User profile page (blocked by #5)
+- #9: Admin dashboard (blocked by #3, #8)
+```
+
+5. **Highlight** any issues that seem stale or unclear
+6. **Suggest** next actions based on the roadmap state