ci/tasks/readme: register fleet

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011KikHkfCiC3yELbsMN8fT9

doc/plan.md

@@ -31,7 +31,7 @@ master/main. Only tools whose folders changed get rebuilt.
    send/read), `waitfor` (block on condition), `cronr` (systemd user
    timers), `giteactl` (CI runs/logs/wait/wait-quiet/releases) and
    `svgc` (`svg-maker/`: .svgd → SVG for agent-helm, Björns direkta
-   önskemål). Alla smoke-testade mot riktig infra; agy-integration
+   önskemål) samt `fleet` (hälsosnapshot). Alla smoke-testade mot riktig infra; agy-integration
    via `agent-tools`-skill + AGENTS.md i `~/.gemini/config/`.
 
 ## Roadmap / expansion ideas (not agreed yet)