diff --git a/mothership/internal/automation/engine.go b/mothership/internal/automation/engine.go
index db76136..03f02d7 100644
--- a/mothership/internal/automation/engine.go
+++ b/mothership/internal/automation/engine.go
@@ -1339,6 +1339,14 @@ type TrackedBlob struct {
 	X, Y, Z    float64
 	VX, VY, VZ float64
 	Confidence float64
+
+	// Canonical identity fields (bf-5151). camelCase JSON keys match the dashboard
+	// Blob type in dashboard/types/spaxel.d.ts. Left at zero values (undefined) for
+	// existing blobs — a follow-up bead populates them from the BLE identity sidecar
+	// so person-aware automations ("when Alice enters…") can fire.
+	PersonName       string `json:"personName,omitempty"`
+	AssignedColor    string `json:"assignedColor,omitempty"`
+	IdentityResolved *bool  `json:"identityResolved,omitempty"` // tri-state: nil=unattempted, &true=resolved, &false=failed
 }
 
 // Evaluate processes tracked blobs and triggers automations based on zone/volume crossings.
diff --git a/mothership/internal/signal/processor.go b/mothership/internal/signal/processor.go
index b83e7cb..20f4282 100644
--- a/mothership/internal/signal/processor.go
+++ b/mothership/internal/signal/processor.go
@@ -596,6 +596,15 @@ type TrackedBlob struct {
 	IdentityConfidence float64 `json:"identity_confidence,omitempty"`
 	IdentitySource     string  `json:"identity_source,omitempty"`
 	Posture            string  `json:"posture,omitempty"`
+
+	// Canonical identity fields (bf-5151). camelCase JSON keys match the dashboard
+	// Blob type in dashboard/types/spaxel.d.ts; the snake_case PersonLabel/PersonColor
+	// above are retained as deprecated aliases for backward compatibility. Left at
+	// their zero values here (undefined) — a follow-up bead populates them from the
+	// BLE identity sidecar.
+	PersonName       string `json:"personName,omitempty"`
+	AssignedColor    string `json:"assignedColor,omitempty"`
+	IdentityResolved *bool  `json:"identityResolved,omitempty"` // tri-state: nil=unattempted, &true=resolved, &false=failed
 }
 
 // SetTrackedBlobs stores the latest tracked blobs from the fusion engine.
diff --git a/mothership/internal/tracker/tracker.go b/mothership/internal/tracker/tracker.go
index 74ed6bc..1e62ec6 100644
--- a/mothership/internal/tracker/tracker.go
+++ b/mothership/internal/tracker/tracker.go
@@ -51,6 +51,14 @@ type Blob struct {
 	IdentitySource     string    `json:"identity_source,omitempty"`     // "ble_triangulation", "ble_only", or ""
 	IdentityLastSeen   time.Time `json:"-"`                             // Last time identity was confirmed
 
+	// Canonical identity fields (bf-5151). camelCase JSON keys match the dashboard
+	// Blob type in dashboard/types/spaxel.d.ts; the snake_case fields above are
+	// retained as deprecated aliases. Left at zero values (undefined) for existing
+	// blobs — populated later from the BLE identity sidecar.
+	PersonName       string `json:"personName,omitempty"`
+	AssignedColor    string `json:"assignedColor,omitempty"`
+	IdentityResolved *bool  `json:"identityResolved,omitempty"` // tri-state: nil=unattempted, &true=resolved, &false=failed
+
 	ukf *UKF // internal — nil in copies returned to callers
 }
 
diff --git a/mothership/internal/tracking/tracker.go b/mothership/internal/tracking/tracker.go
index 4e30fb9..1df5ab1 100644
--- a/mothership/internal/tracking/tracker.go
+++ b/mothership/internal/tracking/tracker.go
@@ -37,6 +37,14 @@ type Blob struct {
 	IdentitySource     string    `json:"identity_source,omitempty"`     // "ble_triangulation", "ble_only", or ""
 	IdentityLastSeen   time.Time `json:"-"`                             // Last time identity was confirmed
 	Posture            Posture   `json:"posture,omitempty"`             // Estimated body posture
+
+	// Canonical identity fields (bf-5151). camelCase JSON keys match the dashboard
+	// Blob type in dashboard/types/spaxel.d.ts; the snake_case fields above are
+	// retained as deprecated aliases. Left at zero values (undefined) for existing
+	// blobs — populated later from the BLE identity sidecar.
+	PersonName       string `json:"personName,omitempty"`
+	AssignedColor    string `json:"assignedColor,omitempty"`
+	IdentityResolved *bool  `json:"identityResolved,omitempty"` // tri-state: nil=unattempted, &true=resolved, &false=failed
 }
 
 // TrailMaxLen is the maximum number of trail points kept per blob.