feat: add lab-rv32i-freertos-kernel-facade card
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user
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{
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"$schema": "../../../tools/card-layouts/schemas/card-source.schema.json",
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"schema": "esc-card-source.v1",
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"card": {
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"id": "mpabi-freertos-cpp-09-kernel-facade",
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"series": "freertos-cpp",
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"series_title": "FreeRTOS C++",
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"number": "09",
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"count": "16",
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"slug": "kernel-facade",
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"title": "Scheduler Facade and Scoped Kernel Guards",
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"topic": "Statyczna fasada, this_task, critical section i scheduler suspend guard",
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"project": "Freestanding C++ nad FreeRTOS",
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"subject": "Informatyka",
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"level": "Rok 2 · L08 · RV32I/Hazard3",
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"revision_date": "2026-07-19T00:00:00+02:00",
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"status": "Gotowa",
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"version": "v00.01",
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"uuid": "6a2ab068-17e7-4bfa-b726-2df37787ed69",
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"author": "M. Pabiszczak",
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"year": "2026"
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},
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"generated": {
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"tex": "doc/generated/main.tex",
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"html": "web/index.html",
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"html_css": "web/style.css",
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"html_tree_inspector": false,
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"react_app": true
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},
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"template": "templates/karta-klasyczna.json",
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"title_block": {
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"category": "KARTA PRACY · INFORMATYKA",
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"prepared_by": "M. Pabiszczak",
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"prepared_on": "2026-07-19T00:00:00+02:00",
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"title": "Scheduler Facade and Scoped Kernel Guards",
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"repository_url": "https://zsl-gitea.mpabi.pl/edu-freertos-cpp/lab-rv32i-freertos-kernel-facade",
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"revision": "v00.01",
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"issued_on": "2026-07-19T00:00:00+02:00",
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"series": "FREERTOS-CPP-09",
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"document_type": "karta pracy",
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"tool": "card-layouts",
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"show_qr": false,
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"show_repository_qr": false,
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"height_cm": 2.6,
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"repeat_on_every_page": true,
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"replace_front_matter": true,
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"url": "https://dce7fb9d-7b2f-5d49-96a2-3a30d3070b84.mpabi.pl/6a2ab068-17e7-4bfa-b726-2df37787ed69"
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},
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"front_page_scope": {
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"title": "Cel karty",
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"content_tex": "Uczeń rozdziela bezstanową usługę Scheduler od parowanych operacji, mierzy critical nesting i mstatus.MIE oraz dowodzi odtworzenia stanu na trzech wczesnych wyjściach.",
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"scope_title": "Zakres karty",
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"scope_content_tex": "Scheduler suspension nie maskuje przerwań i nie dopuszcza blokujących API. CriticalSection działa w task context, nie jest mutexem ani guardem ISR."
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},
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"side_margin_tree_layout": {
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"columns": [
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{
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"id": "zawodowe",
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"label": "TECH",
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"side": "left",
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"tree": "WE -> EK -> KW",
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"description": "Nesting, mstatus.MIE i assembly."
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},
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{
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"id": "ogolne",
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"label": "OG",
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"side": "right",
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"tree": "WE -> EN -> KW",
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"description": "Lifetime, pairing i control flow."
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}
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]
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},
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"learning_effects": {
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"K09.EN01": {
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"bloom_level": "Analiza",
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"label": "Fasada kontra RAII",
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"text": "Uczeń dobiera statyczną fasadę dla usługi i guard RAII dla pary oraz analizuje trzy ścieżki return.",
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"assessment_criteria": [
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"K09.KW01"
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]
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},
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"K09.EK01": {
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"bloom_level": "Zastosowanie",
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"label": "Stan kernela",
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"text": "Uczeń mierzy nesting, MIE i scheduler state oraz potwierdza inline wrapperów w ELF.",
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"assessment_criteria": [
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"K09.KW01"
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]
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}
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},
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"assessment_criteria": {
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"K09.KW01": {
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"text": "Program kończy się PASS; critical depth ma sekwencję 0-1-2-1-0, MIE 1-0-0-0-1, suspension zachowuje MIE=1, oba guardy odtwarzają trzy early returns, a facade i guardy nie emitują symboli ani runtime C++.",
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"learning_effects": [
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"K09.EN01",
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"K09.EK01"
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]
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}
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},
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"educational_requirements": {
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"K09.WE01": {
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"text": "Zaprojektowanie cienkiej fasady kernela i scope-bound par z dowodem odtworzenia stanu.",
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"label": "Kernel facade i guards",
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"learning_effects": [
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"K09.EN01",
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"K09.EK01"
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],
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"learning_tree": {
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"schema": "we-learning-tree.v1",
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"policy": "Każda para ma trzy ścieżki wyjścia, a każda różnica między suspension i critical ma odczyt stanu sprzętowego lub kernela.",
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"ogolne": [
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{
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"effect_ref": "K09.EN01",
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"display": "EN LOCAL OOP.RAII.03",
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"source": "LOCAL",
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"official": "OOP.RAII",
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"local": "03",
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"kind": "EN",
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"tree_id": "K09.WE01.OG.LOCAL.OOP.RAII.03",
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"text": "Analizuje lifetime usługi, scope guarda i early-return control flow.",
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"kw": [
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{
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"criterion_ref": "K09.KW01",
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"display": "KW LOCAL OOP.RAII.03",
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"source": "LOCAL",
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"kind": "KW",
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"official": "OOP.RAII",
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"local": "03",
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"text": "Uzasadnia statyczny Scheduler i dokładnie jedno restore na każdej ścieżce."
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}
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]
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}
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],
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"zawodowe": [
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{
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"effect_ref": "K09.EK01",
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"display": "EK LOCAL RTOS.KERNEL.01",
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"source": "LOCAL",
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"official": "RTOS.KERNEL",
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"local": "01",
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"kind": "EK",
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"tree_id": "K09.WE01.TECH.LOCAL.RTOS.KERNEL.01",
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"text": "Śledzi critical nesting, MIE, scheduler state i wynik inliningu.",
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"kw": [
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{
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"criterion_ref": "K09.KW01",
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"display": "KW LOCAL RTOS.KERNEL.01",
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"source": "LOCAL",
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"kind": "KW",
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"official": "RTOS.KERNEL",
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"local": "01",
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"text": "Pokazuje dokładne sekwencje, zachowanie IRQ podczas suspension oraz brak symboli wrappera."
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}
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]
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}
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]
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}
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}
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},
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"sections": [
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{
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"title": "Usługa kontra para",
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"content_kind": "prose",
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"content_tex": "Sklasyfikuj Scheduler start/state jako statyczną fasadę, a enter/exit i suspend/resume jako zakresowe pary.",
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"educational_requirement_refs": [
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"K09.WE01"
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],
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"learning_effect_refs": [
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"K09.EN01"
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],
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"assessment_criterion_refs": [
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"K09.KW01"
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],
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"area_tree_refs": [
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"K09.WE01.OG.LOCAL.OOP.RAII.03"
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],
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"steps": [
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{
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"id": "S01",
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"title": "Uzasadnij brak konstruktora i destruktora Scheduler.",
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"tree_refs": [
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"K09.WE01.OG.LOCAL.OOP.RAII.03"
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]
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},
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{
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"id": "S02",
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"title": "Napraw trzy early returns jednym guardem.",
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"tree_refs": [
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"K09.WE01.OG.LOCAL.OOP.RAII.03"
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]
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}
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]
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},
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{
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"title": "Critical nesting i mstatus.MIE",
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"content_kind": "prose",
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"content_tex": "Wykonaj raw enter/enter/exit/exit, a potem ten sam kontrakt przez CriticalSection. Zapisz depth i MIE na każdym checkpoint.",
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"educational_requirement_refs": [
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"K09.WE01"
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],
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"learning_effect_refs": [
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"K09.EK01"
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],
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"assessment_criterion_refs": [
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"K09.KW01"
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],
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"area_tree_refs": [
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"K09.WE01.TECH.LOCAL.RTOS.KERNEL.01"
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],
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"steps": [
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{
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"id": "S03",
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"title": "Odtwórz 0-1-2-1-0 oraz 1-0-0-0-1.",
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"tree_refs": [
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"K09.WE01.TECH.LOCAL.RTOS.KERNEL.01"
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]
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},
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{
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"id": "S04",
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"title": "Potwierdź depth 0 i MIE 1 po każdej ścieżce.",
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"tree_refs": [
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"K09.WE01.TECH.LOCAL.RTOS.KERNEL.01"
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]
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}
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]
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},
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{
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"title": "Scheduler suspension i this_task",
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"content_kind": "prose",
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"content_tex": "Zmierz running-suspended-running przy stale włączonym MIE, przetestuj nesting i zidentyfikuj bieżący handle, tick oraz yield.",
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"educational_requirement_refs": [
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"K09.WE01"
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],
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"learning_effect_refs": [
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"K09.EK01"
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],
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"assessment_criterion_refs": [
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"K09.KW01"
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],
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"area_tree_refs": [
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"K09.WE01.TECH.LOCAL.RTOS.KERNEL.01"
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],
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"steps": [
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{
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"id": "S05",
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"title": "Pokaż MIE=1 podczas suspension i outer/inner nesting.",
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"tree_refs": [
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"K09.WE01.TECH.LOCAL.RTOS.KERNEL.01"
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]
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},
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{
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"id": "S06",
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"title": "Porównaj this_task handle i sprawdź inline w ELF.",
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"tree_refs": [
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"K09.WE01.TECH.LOCAL.RTOS.KERNEL.01"
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]
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}
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]
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}
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],
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"tasks": {
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"task01": {
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"title": "Fasada kernela i restore na każdej ścieżce",
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"uuid": "6a2ab068-17e7-4bfa-b726-2df37787ed69",
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"prompt_tex": "Porównaj raw API z cienką fasadą i dwoma guardami, napraw trzy early returns oraz udowodnij nesting, MIE, scheduler state i inline assembly.",
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"criterion": "Critical 0-1-2-1-0/MIE 1-0-0-0-1; scheduler suspension MIE 1; all early returns restored; nested state correct; current handle equal; no wrapper symbols; pass=1.",
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"educational_requirement_refs": [
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"K09.WE01"
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],
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"learning_effect_refs": [
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"K09.EN01",
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"K09.EK01"
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],
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"assessment_criterion_ref": "K09.KW01",
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"links": {
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"equations": [],
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"figures": []
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}
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}
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},
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"tasks_order": [
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"task01"
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]
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}
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