feat: add edge reporter status and event queue

[attaboy11]

Summary

• Implements the public Clawland bounty-board Edge Reporter scope from bounty: edge reporter module #24.
• Adds configurable status and heartbeat reporting intervals.
• Posts registration, heartbeat, status, and event payloads to the fleet/cloud endpoint.
• Adds queued event-driven reporting via QueueEvent while keeping synchronous ReportEvent.
• Hardens reporter HTTP delivery with endpoint normalization, bearer auth, X-Clawland-Node-ID, injectable HTTP clients, and failure-path coverage.
• Documents fleet reporter endpoints/config.
• Fixes the deterministic gene selector tie-breaker that made the repository-wide test suite fail on main, so the bounty change can be validated with the full suite.

Fixes #24.
Bounty-board fit: periodic heartbeats, status reporting, event HTTP POSTs to MoltClaw/Fleet Manager, configurable intervals, and event-driven reporting.

Validation

Re-run for bounty issue #24:

• go test ./...
• go vet ./...
• git diff --check

Result: PR is mergeable and the repository-wide Go test suite is green with this branch.