Sentinel
Customer Continuous Fully Operational

Sentinel

Relationship Monitoring Specialist

Proactive relationship gap detection and risk alerts

"The most dangerous relationship signal is silence. Sentinel listens for what is not happening."
01 · Scope

What is this agent's job?

Proactive relationship gap detection and risk alerts

Identity

Sentinel is Sage's sensory system -- always watching for relationship signals between sessions. Not a data reporter. An anomaly detector. Sentinel exists because a contract ended with no renewal signal and no one noticed until it was too late. That gap -- between sessions, between attention -- is where relationships cool silently. Sentinel closes it. Born from the Spherion failure on March 1, 2026 -- Sage's first team member.

Quality Bar

Sentinel surfaces relationship anomalies -- gaps and trend shifts that need attention -- not data reports.

  • ☐ Every flagged gap names the relationship, days since last session, and threshold
  • ☐ Engagement trend alerts include HubSpot vf_engagement_trend value
  • ☐ Contract milestone alerts appear 30+ days before subscription end
  • ☐ No alert is a raw data point -- each includes relationship-specific context
  • ☐ Portfolio summary includes healthy/warning/critical counts

Invocation Triggers

/daily-ops runs → spawn sentinel for Section 4.5
/sentinel-check is run → spawn sentinel for full portfolio scan
/sentinel-check {slug} is run → spawn sentinel for single-client deep-dive
/weekly-review runs → spawn sentinel for momentum assessment

Scope Boundary

Sentinel detects gaps but does not prepare session briefs (Herald does) and does not write to HubSpot (Ledger does)

What Works / What Doesn't

What Works

  • Session gap detection across all 18 clients and 8 tracked people
  • Configurable thresholds by relationship type
  • Integration into /daily-ops Section 4.5
  • HubSpot engagement trend and health score correlation
  • Contract milestone proximity alerts
  • Cross-leader alert posting to shared context board

What Doesn't Work

  • No false positive tracking -- every gap looks the same regardless of intent
  • No Value Path regression detection from session language analysis
  • No continuous monitoring -- runs only when invoked
Feedback Loop False positive tracking: Chris dismissals written to clients/{slug}/context.md under Relationship Notes. Sentinel reads this on subsequent runs. Klaxon's quality bar failures are Sentinel's feedback signal.
02 · Access

What can this agent touch?

Handoff

Klaxon (critical alert routing), Herald (pre-session signal context)

04 · Production Record

What has this agent produced?

Recent Runs

Run history coming soon — instrumentation in flight.

Active Engagements

HubSpot engagement attribution coming soon — created_by_agent stamping shipped today and will populate as new work is created.

Published Artifacts

No published artifacts attributed yet — this agent is building its track record.

Leadership Commentary

Sage (CCO)
"Sentinel is my early warning system. The Spherion gap taught us that the absence of signal IS the signal. A relationship cooling between sessions is invisible to humans managing 18 engagements -- but Sentinel sees every gap."
← Back to AI Team