City OS Instantiation — Singapore (Education Spine Z3→Z0)

PlaceID: SGP
PlaceName: Singapore
Zoom Level: Z5 (Country) with Z3 city/district instantiations
Version: AC.v1.0

LANES (EDU):
- SGP::EDU-MATH-PRI
- SGP::EDU-SCI-PRI
- SGP::EDU-ENG-PRI
- SGP::EDU-MATH-SEC
- SGP::EDU-SCI-SEC
- SGP::EDU-ENG-SEC

NODE:
SGP::EDU::Z3::CurriculumAuthorityHub::NODE::001
Desc: Aggregates curriculum authorities across primary and secondary lanes.
NODE:
SGP::EDU::Z3::AssessmentAuthorityHub::NODE::002
Desc: Aggregates assessment standards and exam envelopes.
NODE:
SGP::EDU::Z3::SchoolSystemHub::NODE::003
Desc: National school delivery substrate.
NODE:
SGP::EDU::Z3::TuitionSystemHub::NODE::004
Desc: Supplementary repair and robustness ecosystem (implementation-defined).

NODE:
SGP::EDU::Z2::RepairRoutingHub::NODE::001
Desc: Routes learners to correct repair routes by lane and failure signature.
NODE:
SGP::EDU::Z2::LoadBalancerHub::NODE::002
Desc: Prevents overload across school + tuition + home.
NODE:
SGP::EDU::Z2::TransitionHub::NODE::003
Desc: Transition routing (PSLE→Sec1; Sec2→Sec3; O-Level runway).

NODE:
SGP::EDU::Z1::RoutineStabilityHub::NODE::001
Desc: Sleep, study time, emotional buffer stability as education enablers.
NODE:
SGP::EDU::Z1::LanguageEnvironmentHub::NODE::002
Desc: Reading habits and language exposure substrate.

NODE:
SGP::EDU::Z0::PrimaryLearnerAggregate::NODE::001
Desc: Primary cohort execution stability.
NODE:
SGP::EDU::Z0::SecondaryLearnerAggregate::NODE::002
Desc: Secondary cohort execution stability.

BIND:
SGP::EDU::Z3::CurriculumDeliveryBind::BIND::001
Parties: CurriculumAuthorityHub ↔ SchoolSystemHub ↔ TuitionSystemHub
Goal: coherent scope and pacing; prevents contradictory instruction.
BIND:
SGP::EDU::Z3::AssessmentPracticeBind::BIND::002
Parties: AssessmentAuthorityHub ↔ RepairRoutingHub
Goal: practice aligns with real exam envelopes.
BIND:
SGP::EDU::Z2::RepairRouteBind::BIND::003
Parties: RepairRoutingHub ↔ All EDU lanes
Goal: correct route selection by failure signature.
BIND:
SGP::EDU::Z2::LoadProtectionBind::BIND::004
Parties: LoadBalancerHub ↔ RoutineStabilityHub
Goal: protect buffers to preserve stitching windows.
BIND:
SGP::EDU::Z2::TransitionBind::BIND::005
Parties: TransitionHub ↔ RepairRoutingHub
Goal: manage transition risks (PSLE→Sec1, O-Level runway).

ROUTE LIBRARIES:
- PSLE routes:
  ROUTE.PSLE.001..006
- Transition routes:
  ROUTE.TRANS.001..005
- O-Level routes:
  ROUTE.OL.001..007
- Core CivOS routes:
  ROUTE.001..006 (truncation, stitching, de-brittle, etc.)

SENSOR:
SGP::EDU::Z2::OverloadIndex::SENSOR::001
Measures: cumulative load across school + tuition + home.
SENSOR:
SGP::EDU::Z0::TimedAccuracyTrend::SENSOR::002
Measures: timed accuracy trend across cohorts (lane-specific implementation).
SENSOR:
SGP::EDU::Z0::FalseCompetenceRate::SENSOR::003
Measures: divergence between signals and robustness.
SENSOR:
SGP::EDU::Z1::RoutineStability::SENSOR::004
Measures: buffer stability proxy.
SENSOR:
SGP::EDU::Z2::TransitionDropRate::SENSOR::005
Measures: PSLE→Sec1 and Sec2→Sec3 phase drops.

THRESH:
SGP::EDU::Z2::Overload_T2::THRESH::001
Action: invoke truncation routes + buffer stabilisation (PSLE/OL variants).
THRESH:
SGP::EDU::Z2::TransitionDrop_T2::THRESH::002
Action: invoke ROUTE.TRANS.001..003 + targeted foundation audits.

FAILURE MODE TRACE (schematic):
competition density + stacked tuition
→ overload rises; buffers thin
→ false competence increases
→ transition shocks trigger phase drops
→ repair windows vanish
→ cohort-level instability grows

Correct trace:
instrument overload + false competence
→ truncate load
→ stitch foundations
→ protect routines
→ route transitions explicitly
→ maintain P3 execution reliability

VERSION:
Global Version: AC.v1.0
PlaceID: SGP
OS Type: Education Spine (Z3→Z0 routing)
Forward-Only Rule: Enabled