chore: Add test-runner agent, agent-swarm-launcher skill, review artifacts, and beads updates

- .claude/agents/test-runner.md: New Claude Code agent definition for
  running cargo test suites and analyzing results, configured with
  haiku model for fast execution.

- skills/agent-swarm-launcher/: New skill for bootstrapping coordinated
  multi-agent workflows with AGENTS.md reconnaissance, Agent Mail
  coordination, and beads task tracking.

- api-review.html, phase-a-review.html: Self-contained HTML review
  artifacts for API audit and Phase A search pipeline review.

- .beads/issues.jsonl, .beads/last-touched: Updated issue tracker
  state reflecting current project work items.

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

skills/agent-swarm-launcher/agents/openai.yaml

@@ -0,0 +1,4 @@
+interface:
+  display_name: "Agent Swarm Launcher"
+  short_description: "Kick off multi-agent repo onboarding"
+  default_prompt: "Use $agent-swarm-launcher to onboard, coordinate, and start the next prioritized task."