Moves and enhances the telemetry aggregator script to `scripts/agent/telemetry-aggregator.mjs`.
Updates `package.json` to point to the new location.
Implements robust parsing for smoke test summaries and fuzz reports.
Adds PII sanitization (IPs, emails, keys, paths).
Enforces opt-in via `ENABLE_TELEMETRY` environment variable.
Adds `ai/reports/` to `.gitignore`.