Session Lifecycle System · Operational Backbone
Every session, coordinated across the infrastructure.
Eight canonical states. Four operational surfaces. One signed event ledger. The lifecycle is the contract between Driver, Security Operator, Building OS and Parkgon Ops.
8 STATES · CANONICAL
EVENT BUS · 12ms
3 ERROR PATHS
OPEN SESSIONS
892
IN VALIDATION
23
AWAITING EXIT
147
ERROR STATES
07
AVG E2E
02h 41m
LEDGER WRITES
1.84M / 24h
Canonical State Graph
Eight operational states · ownership · validation contract
DIRECTIONAL
SIGNED TRANSITIONS
01 · S1.RSV→
Reserved
Bay locked at activated node
OwnerDRV
GateCredential · payment hold
02 · S2.ETA→
On My Way
ETA broadcast on event bus
OwnerSYS
GateGeo-fence · ETA telemetry
03 · S3.ARV→
Arrived
Driver at gate · awaiting check
OwnerBLDG
GateLPR capture · presence
04 · S4.VAL→
Security Validation
Operator reviewing credentials
OwnerSEC
GatePlate · identity · trust
05 · S5.GRT→
Access Approved
Barrier released · proceed to bay
OwnerSEC
GateSigned grant · barrier ack
06 · S6.ACT→
Active Session
Vehicle parked · meter running
OwnerBLDG
GateBay sensor · dwell timer
07 · S7.EXT→
Exit Requested
Driver requesting egress
OwnerDRV
GatePayment settle · plate scan
08 · S8.CLR
Session Completed
Exit confirmed · ledger sealed
OwnerOPS
GateSigned audit · receipt
E.DENY
Access Denied
Escalates to
SEC
E.VFAIL
Validation Failed
Escalates to
SEC
E.ESC
Incident Escalated
Escalates to
OPS
Coordinated Sessions · Live
Every session pinned to its current state and responsible actor
8 OPEN1 FLAGGED
SES-9A442
8XYH-442
Node
SF-0142 · B2-14
Driver
M. Henderson
Owner
Building OS
Next
Exit Requested
S6.ACT·Active Session
01 · S1.RSV
Reserved
02 · S2.ETA
On My Way
03 · S3.ARV
Arrived
04 · S4.VAL
Security Validation
05 · S5.GRT
Access Approved
06 · S6.ACT
Active Session
07 · S7.EXT
Exit Requested
08 · S8.CLR
Session Completed
SES-9A301
TX-4299
Node
LA-9011 · B1-08
Driver
E. Vance
Owner
Autonomous System
Next
Arrived
S2.ETA·On My Way
01 · S1.RSV
Reserved
02 · S2.ETA
On My Way
03 · S3.ARV
Arrived
04 · S4.VAL
Security Validation
05 · S5.GRT
Access Approved
06 · S6.ACT
Active Session
07 · S7.EXT
Exit Requested
08 · S8.CLR
Session Completed
SES-9A101
PA-0029
Node
NY-0288 · B1-44
Driver
R. Almeida
Owner
Driver
Next
On My Way
S1.RSV·Reserved
01 · S1.RSV
Reserved
02 · S2.ETA
On My Way
03 · S3.ARV
Arrived
04 · S4.VAL
Security Validation
05 · S5.GRT
Access Approved
06 · S6.ACT
Active Session
07 · S7.EXT
Exit Requested
08 · S8.CLR
Session Completed
SES-9A883
CA-0019
Node
CH-0042 · —
Driver
Unknown
Owner
Security Operator
Next
Access Approved
S4.VAL·Security Validation
01 · S1.RSV
Reserved
02 · S2.ETA
On My Way
03 · S3.ARV
Arrived
04 · S4.VAL
Security Validation
05 · S5.GRT
Access Approved
06 · S6.ACT
Active Session
07 · S7.EXT
Exit Requested
08 · S8.CLR
Session Completed
SES-9A766
9PQR-001
Node
SF-0142 · B2-31
Driver
S. Park
Owner
Building OS
Next
Security Validation
S3.ARV·Arrived
01 · S1.RSV
Reserved
02 · S2.ETA
On My Way
03 · S3.ARV
Arrived
04 · S4.VAL
Security Validation
05 · S5.GRT
Access Approved
06 · S6.ACT
Active Session
07 · S7.EXT
Exit Requested
08 · S8.CLR
Session Completed
SES-9A221
NY-0091
Node
NY-8821 · B3-02
Driver
L. Okafor
Owner
Driver
Next
Session Completed
S7.EXT·Exit Requested
01 · S1.RSV
Reserved
02 · S2.ETA
On My Way
03 · S3.ARV
Arrived
04 · S4.VAL
Security Validation
05 · S5.GRT
Access Approved
06 · S6.ACT
Active Session
07 · S7.EXT
Exit Requested
08 · S8.CLR
Session Completed
SES-9A099
TX-7741
Node
TX-4410 · B2-09
Driver
K. Sato
Owner
Security Operator
Next
Active Session
S5.GRT·Access Approved
01 · S1.RSV
Reserved
02 · S2.ETA
On My Way
03 · S3.ARV
Arrived
04 · S4.VAL
Security Validation
05 · S5.GRT
Access Approved
06 · S6.ACT
Active Session
07 · S7.EXT
Exit Requested
08 · S8.CLR
Session Completed
SES-9A011
9AJA-991
Node
SF-0922 · B1-19
Driver
J. Reyes
Owner
Parkgon Ops
Next
—
S8.CLR·Session Completed
01 · S1.RSV
Reserved
02 · S2.ETA
On My Way
03 · S3.ARV
Arrived
04 · S4.VAL
Security Validation
05 · S5.GRT
Access Approved
06 · S6.ACT
Active Session
07 · S7.EXT
Exit Requested
08 · S8.CLR
Session Completed
Surface Coordination Matrix
Who owns what at every state · responsibility handover map
| State | DRV · Driver | SEC · Security Operator | BLDG · Building OS | OPS · Parkgon Ops |
|---|---|---|---|---|
S1.RSV Reserved | OWNS | — | OBSERVE | OBSERVE |
S2.ETA On My Way | OBSERVE | — | OBSERVE | OBSERVE |
S3.ARV Arrived | OBSERVE | OBSERVE | OWNS | OBSERVE |
S4.VAL Security Validation | OBSERVE | OWNS | OBSERVE | OBSERVE |
S5.GRT Access Approved | OBSERVE | OWNS | OBSERVE | OBSERVE |
S6.ACT Active Session | OBSERVE | — | OWNS | OBSERVE |
S7.EXT Exit Requested | OWNS | OBSERVE | OBSERVE | OBSERVE |
S8.CLR Session Completed | OBSERVE | — | OBSERVE | OWNS |
Anchored Session · SES-9A442 · End-to-End
CURRENT · S6.ACTTRUST 0.98DWELL 00:42:11
Session LifecycleSES-9A442│8XYH-442│SF-0142 · 450 Mission St
14:42:11 PSTBLDG responsibility
Current State
Active SessionS6.ACT
Vehicle parked · meter running
Responsible Actor
Building OS
Validation · Bay sensor · dwell timer
Next State
Exit Requested
DRV · Payment settle · plate scan
Progress
STAGE 6 / 8 · 75%
01 · S1.RSV
Reserved
02 · S2.ETA
On My Way
03 · S3.ARV
Arrived
04 · S4.VAL
Security Validation
05 · S5.GRT
Access Approved
06 · S6.ACT
Active Session
07 · S7.EXT
Exit Requested
08 · S8.CLR
Session Completed
Operational Timeline · Signed Transitions
14:22:41
S1.RSV
Reserved
Bay locked at activated node
Driver
Credential · payment hold
SIGNED
14:25:03
S2.ETA
On My Way
ETA broadcast on event bus
Autonomous System
Geo-fence · ETA telemetry
SIGNED
14:35:18
S3.ARV
Arrived
Driver at gate · awaiting check
Building OS
LPR capture · presence
SIGNED
14:36:09
S4.VAL
Security Validation
Operator reviewing credentials
Security Operator
Plate · identity · trust
SIGNED
14:36:11
S5.GRT
Access Approved
Barrier released · proceed to bay
Security Operator
Signed grant · barrier ack
SIGNED
14:36:14
S6.ACT
Active Session
Vehicle parked · meter running
Building OS
Bay sensor · dwell timer
LIVE
—
S7.EXT
Exit Requested
Driver requesting egress
Driver
Payment settle · plate scan
PENDING
—
S8.CLR
Session Completed
Exit confirmed · ledger sealed
Parkgon Ops
Signed audit · receipt
PENDING