NODE.ID: BTT-EDUOS-MATHOS-SEC1-A1-00
NODE.TYPE: place_implementation_child
PLACE.ID: SG-SGP-BUKITTIMAH
ORG.ID: BTT
PARENT.NODE: BTT-EDUOS-MATHOS-SEC-A1-00
LEVEL: secondary_1
SUBOS: MATHOS
PURPOSE: prevent_early_algebra_collapse_and_build_P3_symbol_execution_foundations
VERSION: v0.1

DEF.BTT_SEC1_IMPL:
  Sec 1 is the algebra-entry transition. BTT implements a repair+stabilise+upgrade router
  that hardens number integrity, prevents symbol confusion, and installs checking and
  retrieval habits early so students do not drift into P0 collapse.

TARGET.SEC1.T1: real_numbers_integrity (fractions, negatives, indices entry)
TARGET.SEC1.T2: algebra_symbol_fluency (substitution, expressions)
TARGET.SEC1.T3: equation_chain_template (multi-step linear)
TARGET.SEC1.T4: ratio_rate_foundations (scaling readiness)
TARGET.SEC1.T5: checking_habit_installation (careless firewall)
TARGET.SEC1.T6: confidence_re-entry (avoidance suppression)

FAIL.DOM.SEC1:
  F1: arithmetic_fragility (fractions/negatives)
  F2: letter_as_object_confusion
  F3: equals_sign_misread
  F4: step_order_errors (chain break)
  F5: careless_density (no checks)
  F7: word_problem_translation_gap (LANGOS)
  F8: bio_load_misalignment (fatigue/stress)

SEC1 success = prevent F1–F4 early, or the whole secondary pipeline leaks later.

TRACK.SEC1.R0 (P0):
  - re-entry: basics + confidence
  - micro-wins + short loops
TRACK.SEC1.R1 (P1/P2):
  - stabilise: kill repeat errors
  - seal leaks: speed + checking + substitution
TRACK.SEC1.R2 (P3):
  - maintain: reduce slips + twist prep

PROTO.SEC1.1: basics_hardening
  - fractions/negatives drills with error tagging
PROTO.SEC1.2: symbol_meaning_protocol
  - x as value; substitution loops under time
PROTO.SEC1.3: equation_chain_template
  - standard steps; no freestyle; checkpoints
PROTO.SEC1.4: sign_firewall
  - negatives tracking; term conservation
PROTO.SEC1.5: checking_protocol_install (MVS)
  - substitution check + reasonableness check
PROTO.SEC1.6: language_to_math_translation (LANGOS bridge)
  - define variable with unit + referent before solving
PROTO.SEC1.7: spaced_retrieval_lock (BIOOS bridge)
  - short recall cycles; prevent decay

SENSOR.SEC1.S1: fraction_negative_error_rate -> low
SENSOR.SEC1.S2: substitution_accuracy_under_time -> high
SENSOR.SEC1.S3: chain_integrity_step_loss_rate -> near_zero
SENSOR.SEC1.S4: checking_rate -> stable
SENSOR.SEC1.S5: time_to_first_step -> low
SENSOR.SEC1.S6: retention_7d_14d -> stable

OUT.SEC1.1: stable algebra entry (P3 direction)
OUT.SEC1.2: reduced careless density
OUT.SEC1.3: reliable equation chains
OUT.SEC1.4: improved confidence and engagement

LINK.PARENT: BTT-EDUOS-MATHOS-SEC-A1-00
LINK.SIBLING.NEXT: BTT-EDUOS-MATHOS-SEC2-A1-00
LINK.UP: EDUOS-00, MATHOS-00, EDUOSxBIOOS-01, LANGOS-00, EDUOS-IMPL-02

LOCK:
  Sec 1 is the algebra-entry gate. If symbols + real numbers + checking stabilize early,
  the entire secondary pipeline becomes easier. BTT routes to P3 by sealing leaks at the root.

NODE.ID: BTT-EDUOS-MATHOS-SEC2-A1-00
NODE.TYPE: place_implementation_child
PLACE.ID: SG-SGP-BUKITTIMAH
ORG.ID: BTT
PARENT.NODE: BTT-EDUOS-MATHOS-SEC-A1-00
LEVEL: secondary_2
SUBOS: MATHOS
PURPOSE: seal_algebra_chain_leaks_and_stabilise_scaling_graphs_and_time_pressure_execution
VERSION: v0.1

DEF.BTT_SEC2_IMPL:
  Sec 2 is the chain-length + speed + representation-alignment year. BTT implements
  protocols that stop sign/term leaks, unify scaling models (ratio/rate/percent),
  and lock graph-equation alignment so students reach stable execution under pressure.

TARGET.SEC2.T1: algebra_chain_integrity (longer manipulations)
TARGET.SEC2.T2: scaling_unification (ratio/rate/percent as one model)
TARGET.SEC2.T3: linear_graph_alignment (table<->graph<->equation)
TARGET.SEC2.T4: word_problem_variable_definition (LANGOS)
TARGET.SEC2.T5: checking_survival_under_time (MVS)
TARGET.SEC2.T6: fluency_latency_reduction (speed)

FAIL.DOM.SEC2:
  F2: chain_break
  F3: fluency_latency
  F4: transfer_failure
  F5: checking_absence
  F6: representation_misalignment
  F7: word_problem_translation_gap
  F8: bio_load_misalignment

TRACK.SEC2.R0 (P0):
  - rebuild basics + re-entry into multi-step problems
TRACK.SEC2.R1 (P1/P2):
  - stabilise: repeat-error kill switch
  - seal leaks: speed + checks + alignment drills
TRACK.SEC2.R2 (P3):
  - maintain: mixed sets + twist variants

PROTO.SEC2.1: chain_template_library + checkpoints
PROTO.SEC2.2: sign_error_firewall (negatives/term tracking)
PROTO.SEC2.3: scaling_unification (ratio/rate/percent with units)
PROTO.SEC2.4: representation_alignment (graph/table/equation loops)
PROTO.SEC2.5: variable_definition_protocol (LANGOS bridge)
PROTO.SEC2.6: checking_MVS_under_time
PROTO.SEC2.7: timed_fluency_loops
PROTO.SEC2.8: spaced_retrieval_lock (BIOOS bridge)

SENSOR.SEC2.S1: sign/term leak rate -> low
SENSOR.SEC2.S2: chain_integrity -> high
SENSOR.SEC2.S3: scaling accuracy (units) -> high
SENSOR.SEC2.S4: graph alignment accuracy -> high
SENSOR.SEC2.S5: checking rate under time -> stable
SENSOR.SEC2.S6: time_to_first_step -> low
SENSOR.SEC2.S7: variance -> low
SENSOR.SEC2.S8: retention_7d_14d -> stable

OUT.SEC2.1: stable multi-step execution
OUT.SEC2.2: improved speed without losing accuracy
OUT.SEC2.3: reliable graph and scaling reasoning
OUT.SEC2.4: reduced swings across tests

LINK.PARENT: BTT-EDUOS-MATHOS-SEC-A1-00
LINK.SIBLING.PREV: BTT-EDUOS-MATHOS-SEC1-A1-00
LINK.SIBLING.NEXT: BTT-EDUOS-MATHOS-SEC3-A1-00
LINK.UP: EDUOS-00, MATHOS-00, EDUOSxBIOOS-01, LANGOS-00, EDUOS-IMPL-02

LOCK:
  Sec 2 is where chain length + speed + alignment decide outcomes.
  Seal leaks, unify scaling, and make checking survive time pressure to reach P3.

NODE.ID: BTT-EDUOS-MATHOS-SEC3-A1-00
NODE.TYPE: place_implementation_child
PLACE.ID: SG-SGP-BUKITTIMAH
ORG.ID: BTT
PARENT.NODE: BTT-EDUOS-MATHOS-SEC-A1-00
LEVEL: secondary_3
SUBOS: MATHOS
PURPOSE: build_mixed_topic_routing_novelty_transfer_and_exam_style_pacing_reliability
VERSION: v0.1

DEF.BTT_SEC3_IMPL:
  Sec 3 is the mixed-topic and novelty-transfer bottleneck. BTT implements fast question
  classification, method routing, and interleaved mixed-set training so students stop
  failing due to wrong method choice and panic under unfamiliar wrappers.

TARGET.SEC3.T1: question_classification (identify what is tested)
TARGET.SEC3.T2: method_selection_speed
TARGET.SEC3.T3: novelty_resilience (same concept, new wrapper)
TARGET.SEC3.T4: mixed_set_execution (interleaved topics)
TARGET.SEC3.T5: time_budget_control + sinkhole escapes
TARGET.SEC3.T6: checking_survival_under_pressure

FAIL.DOM.SEC3:
  F4: transfer_failure (mixed sets)
  F3: fluency_latency (selection latency)
  F5: checking_absence under time
  F6: representation_misalignment
  F7: language/interpretation issues (LANGOS)
  F8: bio_load_misalignment

TRACK.SEC3.R0 (P0):
  - re-entry into mixed sets; remove avoidance
TRACK.SEC3.R1 (P1/P2):
  - stabilise via classifier templates
  - upgrade novelty transfer via variation
TRACK.SEC3.R2 (P3):
  - maintain + twist dominance + paper stamina

PROTO.SEC3.1: question_classifier + cue cards
PROTO.SEC3.2: method_router_cards (if cues -> method)
PROTO.SEC3.3: interleaved_mixed_sets (transfer training)
PROTO.SEC3.4: novelty_inoculation (format variation)
PROTO.SEC3.5: paper_time_budget + sinkhole_escape
PROTO.SEC3.6: chain_integrity_microcheckpoints
PROTO.SEC3.7: checking_MVS_under_time
PROTO.SEC3.8: spaced_retrieval_lock (BIOOS bridge)

SENSOR.SEC3.S1: misclassification_rate -> low
SENSOR.SEC3.S2: method_selection_latency -> low
SENSOR.SEC3.S3: novelty_transfer_rate -> high
SENSOR.SEC3.S4: mixed_set_variance -> low
SENSOR.SEC3.S5: sinkhole_count -> low
SENSOR.SEC3.S6: checking_rate_under_time -> stable
SENSOR.SEC3.S7: retention_14d_30d -> stable

OUT.SEC3.1: reliable method selection
OUT.SEC3.2: stable mixed-topic scores
OUT.SEC3.3: resilience to unfamiliar question wrappers
OUT.SEC3.4: improved pacing and reduced panic

LINK.PARENT: BTT-EDUOS-MATHOS-SEC-A1-00
LINK.SIBLING.PREV: BTT-EDUOS-MATHOS-SEC2-A1-00
LINK.SIBLING.NEXT: BTT-EDUOS-MATHOS-SEC4-A1-00
LINK.UP: EDUOS-00, MATHOS-00, EDUOSxBIOOS-01, LANGOS-00, EDUOS-IMPL-02

LOCK:
  Sec 3 is the routing problem: identify -> choose method -> execute under novelty.
  Interleaving + classifier templates + pacing control drives P3 stability.

NODE.ID: BTT-EDUOS-MATHOS-SEC4-A1-00
NODE.TYPE: place_implementation_child
PLACE.ID: SG-SGP-BUKITTIMAH
ORG.ID: BTT
PARENT.NODE: BTT-EDUOS-MATHOS-SEC-A1-00
LEVEL: secondary_4
SUBOS: MATHOS
PURPOSE: lock_full_paper_execution_stability_slip_elimination_and_exam_grade_consistency
VERSION: v0.1

DEF.BTT_SEC4_IMPL:
  Sec 4 is execution consolidation. BTT implements full-paper routing, sinkhole escapes,
  minimum viable checking, and slip firewalls so students protect marks and sustain
  low-variance performance to reach A1-grade reliability (P3 under exam constraints).

TARGET.SEC4.T1: full_paper_router (scan->order->time budget)
TARGET.SEC4.T2: slip_elimination (avoidables to near zero)
TARGET.SEC4.T3: checking_MVS_survival (under time)
TARGET.SEC4.T4: twist_class_library (novel wrappers)
TARGET.SEC4.T5: endurance_accuracy (late-paper stability)
TARGET.SEC4.T6: calm_recovery_protocol (panic reset)

FAIL.DOM.SEC4:
  F3: time_pressure_collapse (pacing)
  F5: checking_absence under time
  F4: transfer_failure to twists
  F8: bio_load_misalignment (endurance/stress)

TRACK.SEC4.R0 (P0):
  - re-entry: complete papers safely; stop avoidance
TRACK.SEC4.R1 (P1/P2):
  - stabilise: reduce variance; eliminate repeated slips
  - seal leaks: time + checks + twists
TRACK.SEC4.R2 (P3):
  - maintain: A1 consistency, low slip, twist dominance

PROTO.SEC4.1: paper_router_protocol (scan/order/budget)
PROTO.SEC4.2: sinkhole_escape_protocol (stuck -> mark -> move -> return)
PROTO.SEC4.3: slip_firewalls (sign/copy/unit/boundary checks)
PROTO.SEC4.4: checking_MVS_under_time (fast checks)
PROTO.SEC4.5: twist_class_library + drills (transfer)
PROTO.SEC4.6: endurance_blocks (long-form accuracy)
PROTO.SEC4.7: calm_recovery_script (BIOOS bridge)
PROTO.SEC4.8: spaced_retrieval_lock_to_exam (consolidation)

SENSOR.SEC4.S1: completion_rate -> high
SENSOR.SEC4.S2: pacing_accuracy -> high
SENSOR.SEC4.S3: sinkhole_count -> low
SENSOR.SEC4.S4: slip_density -> near_zero
SENSOR.SEC4.S5: checking_rate_under_time -> stable
SENSOR.SEC4.S6: twist_transfer_rate -> high
SENSOR.SEC4.S7: late_paper_accuracy_drop -> low
SENSOR.SEC4.S8: variance_across_papers -> low
SENSOR.SEC4.S9: retention_to_exam -> stable

OUT.SEC4.1: stable full-paper exam performance
OUT.SEC4.2: protected marks via slip elimination
OUT.SEC4.3: resilience to twist questions
OUT.SEC4.4: confident pacing + recovery behavior

LINK.PARENT: BTT-EDUOS-MATHOS-SEC-A1-00
LINK.SIBLING.PREV: BTT-EDUOS-MATHOS-SEC3-A1-00
LINK.UP: EDUOS-00, MATHOS-00, EDUOSxBIOOS-01, LANGOS-00, EDUOS-IMPL-02
LINK.CROSS: BTT-EDUOS-ADDMATH-A1-00 (AddMath specialization routing)

LOCK:
  Sec 4 is execution stability. Paper routing + sinkhole escapes + slip firewalls
  + checking survival under time locks P3 reliability and produces A1 consistency.