huskies: create 483_bug_timer_slash_command_not_wired_up_in_web_ui

.huskies/work/1_backlog/483_bug_timer_slash_command_not_wired_up_in_web_ui.md

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+---
+name: "Timer slash command not wired up in web UI"
+---
+
+# Bug 483: Timer slash command not wired up in web UI
+
+## Description
+
+Three async bot commands are not wired up in the web UI's `bot_command.rs` dispatch: **timer**, **htop**, and **rmtree**. They fall through to `dispatch_sync` which calls the registry stub that returns `None`, resulting in "Unknown command."
+
+The fix: add async dispatch branches for all three in `dispatch_command`:
+- `"timer" => dispatch_timer(args, project_root).await`
+- `"rmtree" => dispatch_rmtree(args, project_root, agents).await`
+- `"htop"` — either implement a simplified version or return a "not available in web UI" message (htop is a live dashboard designed for Matrix)
+
+Commands already correctly dispatched: assign, start, delete, rebuild.
+Reset is handled by the frontend (clears local state) — not needed server-side.
+
+## How to Reproduce
+
+1. Open the web UI
+2. Type `/timer list` or `/timer 463 14:00`
+3. See "Unknown command: /timer"
+
+## Actual Result
+
+Unknown command: `/timer`. Type `/help` to see available commands.
+
+## Expected Result
+
+Timer command works in the web UI the same as it does via Matrix.
+
+## Acceptance Criteria
+
+- [ ] Bug is fixed and verified