feat: add fleet topology graph with harness colors and A2A connections

docs: update README for multi-harness support and dashboard

Merge pull request #28 from jouchuki/feat/dashboard-final

feat: full dashboard rebuild + API CRUD + harness A2A flag

Merge pull request #21 from jouchuki/worktree-agent-a362f652

Merge branch 'main' into worktree-agent-a362f652

Merge pull request #20 from jouchuki/feat/harness-abstraction

Merge branch 'main' into feat/harness-abstraction

Merge pull request #19 from jouchuki/feat/isolate-openclaw-build

Merge pull request #18 from jouchuki/feat/sample-crs-harnesses

feat: add CRUD endpoints for all 6 CRD types to the API server

feat: add ObserveClaw harness for orq-ai fork with plugins

refactor: remove IronClaw harness — not suited for headless K8s

fix: use correct IronClaw gateway port and exec probes

feat: wire up real Hermes and IronClaw harness implementations