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# PBS Frontend IR and Lowering Agenda
Status: Active
## Purpose
Drive closure of `13. Lowering IRBackend Specification.md` for frontend scope only.
This agenda exists to define the first normative lowering boundary:
- PBS source to frontend IR (`IRBackend` / `IRBackendFile`),
- deterministic diagnostic behavior for unsupported or invalid source forms,
- and test-backed acceptance criteria for Gate U.
## Scope Boundary
In scope:
- lexer/parser/AST/linking outputs consumed by frontend lowering,
- semantic facts that must be preserved in frontend IR,
- deterministic rejection classes and diagnostic attribution,
- and conformance evidence for frontend gates.
Out of scope:
- VM lowering,
- bytecode/PBX mapping,
- runtime execution behavior,
- verifier/loader algorithms.
## Decisions To Produce
1. Decide whether `13` standardizes one frontend IR shape or only preserved obligations.
2. Decide the minimum preconditions before frontend lowering begins.
3. Decide which semantic facts must be explicit in frontend IR for v1.
4. Decide the minimum deterministic rejection set for unsupported frontend-lowering cases.
5. Decide the gate evidence expected from tests (`lexer/parser/AST/IRBackend/diagnostics`).
## Core Questions
1. What is the minimum frontend IR contract that keeps implementation practical and testable now?
2. Which source-observable guarantees must already be explicit before any backend stage exists?
3. Which constructs are in-scope for v1 lowering and which must fail deterministically?
4. What diagnostics identity must be stable for lowering-related frontend failures?
5. Which regression fixtures become mandatory Gate U evidence?
## Proposed Workshop Sequence
### Workshop 1: Frontend Lowering Contract and Preconditions
Purpose:
- close input preconditions,
- and close the normative status of frontend IR.
Expected decisions:
- obligations-only versus canonical frontend IR model,
- and minimum required bound-program state before lowering.
### Workshop 2: Expressions, Control Flow, and Propagation in Frontend IR
Purpose:
- close frontend-lowering obligations for core expression/control-flow forms.
Expected decisions:
- once-only evaluation obligations in frontend IR terms,
- representation obligations for branching and propagation constructs.
### Workshop 3: Callable Categories in Frontend IR
Purpose:
- close frontend-lowering obligations for functions, callbacks, services, and contracts as source-level categories.
Expected decisions:
- minimum callable metadata preserved in frontend IR,
- and deterministic rejection boundaries for unsupported callable forms.
### Workshop 4: Builtins, Diagnostics, and Test Gates
Purpose:
- close builtin-facing frontend obligations plus gate-ready diagnostics/test evidence.
Expected decisions:
- frontend treatment of builtin shells/metadata at lowering boundary,
- minimum diagnostics identity and attribution for lowering-related failures,
- and required fixture families for Gate U.
## Expected Spec Material
The resulting `13` content should close:
- lowering preconditions for frontend scope,
- frontend IR preserved-obligation model,
- construct-by-construct frontend lowering baseline,
- deterministic unsupported-case rejection policy,
- and frontend-facing diagnostic/test evidence hooks.
## Non-Goals
- Defining VM or bytecode artifacts.
- Freezing runtime semantics in this agenda.
- Defining verifier or loader internals.
- Freezing optimizer architecture.
## Inputs
- `docs/pbs/specs/3. Core Syntax Specification.md`
- `docs/pbs/specs/4. Static Semantics Specification.md`
- `docs/pbs/specs/9. Dynamic Semantics Specification.md`
- `docs/pbs/specs/10. Memory and Lifetime Specification.md`
- `docs/pbs/specs/12. Diagnostics Specification.md`
- `docs/pbs/specs/13. Lowering IRBackend Specification.md`
- `docs/general/specs/13. Conformance Test Specification.md`
- `docs/general/specs/14. Name Resolution and Module Linking Specification.md`
- `docs/general/specs/19. Verification and Safety Checks Specification.md`

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# PBS Frontend IR and Lowering Workshop 2
Status: Active
## Purpose
Run the second focused discussion for `13. Lowering IRBackend Specification.md` on frontend-lowering obligations for:
- expression evaluation order,
- branching behavior,
- and propagation-related constructs at frontend IR boundary.
## Why This Slice Second
After Workshop 1 closes contract/preconditions, this workshop closes construct-level obligations that must be testable in frontend scope.
## Proposed Meeting Order
1. Reconfirm preserved obligations from Workshop 1.
2. Close once-only evaluation obligations in frontend IR terms.
3. Close branch and abrupt-completion representation obligations.
4. Close propagation construct obligations (`optional`, `result`, `!`, `handle`) at frontend boundary.
5. Record callable-category leftovers for Workshop 3.
## Decisions To Produce
1. Which evaluation-order guarantees must remain explicit in frontend IR obligations.
2. Which branch/abrupt-completion facts are mandatory in v1 frontend lowering.
3. Which propagation constructs are in-scope versus deterministic rejection in v1 slice.
4. Which diagnostics are required when unsupported propagation constructs are used.
## Candidate Decisions
### 1. Frontend Lowering Must Preserve Once-Only Evaluation Facts
Candidate direction:
- source-observable single-evaluation points are preserved as explicit lowering obligations,
- independent of one exact IR node taxonomy.
### 2. Branching Obligations Are Normative At Frontend Boundary
Candidate direction:
- selected/non-selected branch semantics remain explicit in frontend lowering contract,
- with no implicit permissive fallbacks.
### 3. Propagation Constructs Have Explicit V1 Status
Candidate direction:
- each construct is marked `supported in v1 frontend lowering` or `deterministic reject`,
- and this status is mirrored in Gate U fixtures.
### 4. Diagnostics Identity Must Be Stable For Unsupported Forms
Candidate direction:
- unsupported forms emit stable code/severity/primary attribution,
- so regression tests can lock behavior.
## Questions To Resolve In The Room
1. Which propagation constructs are fully represented now versus deferred?
2. What minimum frontend IR evidence is enough to prove evaluation-order obligations?
3. Which failures should be classified as parse/static errors versus lowering errors?
4. Which fixture shapes are mandatory for Gate U here?
## Expected Outputs
1. a decision note on expression/control-flow lowering obligations,
2. a decision note on propagation status map (support/reject),
3. and fixture targets for frontend conformance tests.
## Explicit Deferrals For Workshop 3
- callable-category representation details,
- and service/contract/callback-specific obligations.
## Inputs
- `docs/pbs/specs/9. Dynamic Semantics Specification.md`
- `docs/pbs/specs/12. Diagnostics Specification.md`
- `docs/pbs/specs/13. Lowering IRBackend Specification.md`
- `docs/general/specs/13. Conformance Test Specification.md`
- `docs/pbs/agendas/archive/13.1. IR and Lowering Workshop 1 - Lowering Contract and IR Status.md`

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# PBS Frontend IR and Lowering Workshop 3
Status: Active
## Purpose
Run the third focused discussion for `13. Lowering IRBackend Specification.md` on callable categories in frontend scope:
- top-level functions,
- callbacks,
- services,
- and contracts as source-level callable surfaces.
## Why This Slice Third
Callable categories depend on the core expression/control-flow obligations from Workshop 2 and now need explicit frontend representation/rejection boundaries.
## Proposed Meeting Order
1. Reconfirm callable and identity facts already settled by syntax/static/linking specs.
2. Close frontend-lowering obligations for function and callback forms.
3. Close frontend-lowering obligations for service/contract callable surfaces.
4. Close deterministic rejection policy for unsupported callable forms.
5. Record builtin/diagnostics gate closure points for Workshop 4.
## Decisions To Produce
1. Minimum callable metadata preserved by frontend IR for each callable category.
2. V1 support map for callable categories (`supported` versus deterministic reject).
3. Required diagnostics identity for rejected callable forms.
4. Required regression fixtures for callable categories in Gate U.
## Candidate Decisions
### 1. Callable Identity Must Be Explicit In Frontend IR Contract
Candidate direction:
- callable name/category/arity/source attribution are mandatory preserved facts,
- regardless of internal object-model differences.
### 2. Callback/Service/Contract Surfaces Need Explicit V1 Status
Candidate direction:
- each callable surface is classified now as `represented` or `rejected`,
- with no silent fallback behavior.
### 3. Unsupported Callable Forms Are Deterministic Diagnostics
Candidate direction:
- unsupported callable patterns must emit stable diagnostics,
- and become mandatory regression tests.
### 4. Gate U Must Cover Callable Categories Explicitly
Candidate direction:
- representative valid+invalid fixtures per callable category are mandatory,
- including diagnostics assertions for rejected forms.
## Questions To Resolve In The Room
1. Which callable category fields are mandatory in `IRBackend` today?
2. Which callable constructs remain deferred in v1 frontend scope?
3. What is the minimum fixture set to protect callable behavior regressions?
4. Which diagnostics codes must be fixed now versus later?
## Expected Outputs
1. a decision note on callable frontend-lowering obligations,
2. a decision note on callable support/rejection map,
3. and Gate U fixture requirements for callable categories.
## Explicit Deferrals For Workshop 4
- builtin-specific lowering obligations,
- and final diagnostics/gate packaging for spec closure.
## Inputs
- `docs/pbs/specs/4. Static Semantics Specification.md`
- `docs/pbs/specs/12. Diagnostics Specification.md`
- `docs/pbs/specs/13. Lowering IRBackend Specification.md`
- `docs/general/specs/13. Conformance Test Specification.md`
- `docs/general/specs/14. Name Resolution and Module Linking Specification.md`
- `docs/pbs/agendas/13.2. IR and Lowering Workshop 2 - Control Flow, Evaluation Order, and Propagation.md`

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# PBS Frontend IR and Lowering Workshop 4
Status: Active
## Purpose
Run the fourth focused discussion for `13. Lowering IRBackend Specification.md` to close frontend-specific pending points:
- builtin-facing source semantics at frontend lowering boundary,
- diagnostics stability for lowering-related failures,
- and test-gate evidence needed to close v1 frontend slice.
## Why This Slice Last
This workshop should close only after Workshops 1 to 3 define the base lowering contract and callable status map.
## Proposed Meeting Order
1. Reconfirm frontend-only scope and deferred backend concerns.
2. Close builtin-shell obligations at frontend lowering boundary.
3. Close diagnostics identity/attribution obligations for lowering-related failures.
4. Close minimum gate evidence package (Gate U).
5. Produce closure checklist for spec `13` frontend slice.
## Decisions To Produce
1. Frontend-lowering obligations for builtin-facing constructs in v1.
2. Stable diagnostics contract for frontend-lowering rejections.
3. Mandatory fixture families to prove `13` frontend obligations.
4. Explicit list of deferred topics that belong to future backend-focused agenda.
## Candidate Decisions
### 1. Builtin Surfaces Are Frontend-Validated Before Any Backend Contract
Candidate direction:
- builtin names and metadata usage are validated at frontend scope per existing specs,
- and lowering emits deterministic outcomes or deterministic rejection.
### 2. Diagnostics Contract Is Mandatory For Frontend-Lowering Failures
Candidate direction:
- code/severity/primary attribution are fixed and test-backed for required rejection classes,
- enabling reliable regression protection.
### 3. Gate Evidence Is Small But Mandatory
Candidate direction:
- each required obligation has at least one positive and one negative fixture where applicable,
- with assertions for lexer/parser/AST/IRBackend/diagnostics.
### 4. Backend Topics Are Explicitly Deferred
Candidate direction:
- VM lowering, bytecode mapping, runtime, verifier, and loader remain out of this agenda,
- and are listed as deferred backlog topics.
## Questions To Resolve In The Room
1. Which builtin scenarios are mandatory in v1 fixture corpus?
2. Which lowering-related diagnostics are mandatory to freeze now?
3. What is the minimum evidence bar to declare `13` frontend slice closed?
4. Which open points are explicitly deferred without blocking frontend progress?
## Expected Outputs
1. a decision note on builtin frontend-lowering obligations,
2. a decision note on diagnostics/test evidence obligations,
3. and a closure checklist for `13` frontend scope.
## Explicit Deferrals
- VM lowering design,
- bytecode/PBX mapping,
- runtime execution contracts,
- verifier and loader internals.
## Inputs
- `docs/pbs/specs/6.1. Intrinsics and Builtin Types Specification.md`
- `docs/pbs/specs/12. Diagnostics Specification.md`
- `docs/pbs/specs/13. Lowering IRBackend Specification.md`
- `docs/general/specs/13. Conformance Test Specification.md`
- `docs/general/specs/19. Verification and Safety Checks Specification.md`
- `docs/pbs/agendas/13.3. IR and Lowering Workshop 3 - Callables, Services, Contracts, and Callbacks.md`

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# 18.0. Backend VM Pipeline - Orchestration Agenda
Status: Active (Draft)
## Purpose
Definir a ordem de fechamento arquitetural para o backend executável:
1. contrato de entrada `IRBackend` vindo do frontend,
2. lowering `IRBackend -> IRVM`,
3. marshaling `IRVM -> bytecode/PBX` executável no runtime.
## Context
- O pipeline já prevê `LowerToVMPipelineStage` e `EmitBytecodePipelineStage`, mas ambos estão vazios.
- O runtime já impõe contratos concretos de loader/verifier/VM que precisam ser respeitados pelo backend.
- Nesta rodada, `packer` está explicitamente fora de escopo.
## Decisions to Produce
1. Ordem oficial de workshops e critérios de saída por etapa.
2. Fronteiras normativas entre:
- frontend (`IRBackend`),
- backend (`IRVM` + emissão),
- runtime (loader/verifier/execução).
3. Critérios de “backend integration-ready” para um artefato bytecode mínimo rodar no runtime.
4. Estratégia de fechamento em docs (`agendas -> decisions -> specs -> PR`).
## Core Questions
1. Quais decisões precisam ser fechadas antes de qualquer implementação de `LowerToVM`?
2. Quais invariantes são obrigatórias na fronteira `IRBackend` para evitar ambiguidade no backend?
3. Quais invariantes são obrigatórias na fronteira `IRVM` para emissão determinística?
4. Quais verificações devem ocorrer no compilador antes de delegar ao loader/verifier do runtime?
5. Como organizar testes de integração sem introduzir dependência de packer?
## Expected Spec Material
1. Nova spec de contrato `IRBackend -> IRVM` (backend-facing).
2. Nova spec de contrato de `IRVM` (shape, invariantes, diagnóstico).
3. Atualização de `docs/general/specs/15. Bytecode and PBX Mapping Specification.md`.
4. Atualização de `docs/general/specs/19. Verification and Safety Checks Specification.md`.
## Non-Goals
- Definir formato final de packer/cartucho.
- Redesenhar ISA do runtime.
- Redesenhar loader/verifier do runtime.
- Fechar otimizações de backend (peephole, SSA, etc.).
## Inputs
- `prometeu-compiler/prometeu-build-pipeline/src/main/java/p/studio/compiler/workspaces/stages/LowerToVMPipelineStage.java`
- `prometeu-compiler/prometeu-build-pipeline/src/main/java/p/studio/compiler/workspaces/stages/EmitBytecodePipelineStage.java`
- `docs/pbs/specs/13. Lowering IRBackend Specification.md`
- `docs/general/specs/15. Bytecode and PBX Mapping Specification.md`
- `docs/pbs/specs/6.2. Host ABI Binding and Loader Resolution Specification.md`
- `../runtime/docs/runtime/virtual-machine/ISA_CORE.md`
- `../runtime/crates/console/prometeu-vm/src/virtual_machine/loader.rs`
- `../runtime/crates/console/prometeu-vm/src/verifier.rs`

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# 18.1. Backend Workshop 1 - IRBackend Input Contract
Status: Active (Draft)
## Purpose
Fechar o `IRBackend` como contrato de entrada do backend executável, de forma suficientemente explícita para permitir lowering determinístico para `IRVM`.
## Context
- A spec atual de `IRBackend` cobre sobretudo a fronteira frontend e não fecha `IRBackend -> IRVM`.
- O runtime exige contratos rígidos para chamadas host-backed (`SYSC`/`HOSTCALL`) e VM-owned (`INTRINSIC`).
- O backend precisa receber um IR que preserve semântica e também fatos de artefato necessários para bytecode.
## Decisions to Produce
1. Shape mínima obrigatória de `IRBackend` para backend executável:
- identidade de módulo/arquivo/callable,
- assinatura (parâmetros/retorno),
- corpo executável em forma backend-lowerable,
- âncoras de source attribution.
2. Modelo de representação para operações VM-owned vs host-backed no `IRBackend`.
3. Contrato de metadados reservados obrigatório:
- host bindings canônicos `(module, name, version)`,
- metadados de intrinsics/builtin VM-owned,
- `requiredCapabilities` determinístico.
4. Regras de ordenação/deduplicação obrigatórias ainda no `IRBackend`.
5. Política de rejeição determinística para formas que não entram no backend executável.
## Core Questions
1. O `IRBackend` deve carregar código em forma estruturada (blocos/expressões) ou linearizada?
2. Quais informações de tipos precisam sobreviver para o backend sem “re-tipagem” implícita?
3. Como representar chamadas host-backed no `IRBackend`:
- por identidade canônica,
- por índice lógico,
- ou por ambos?
4. Como representar intrinsics VM-owned:
- identidade canônica apenas,
- id final já conhecido,
- ou modelo híbrido?
5. Quais invariantes de estabilidade de ordenação são obrigatórias para conformance?
6. Quais campos mínimos de span/source mapping são mandatórios para erros backend-atribuíveis?
## Expected Spec Material
1. Atualização de `docs/pbs/specs/13. Lowering IRBackend Specification.md` com adendo backend-facing.
2. Decision record específico para “IRBackend executável v1”.
3. Fixture set de conformance Gate U focado no contrato de entrada do backend.
## Non-Goals
- Definir ainda o bytecode final.
- Definir políticas de otimização.
- Definir o formato final de debug/source map rico.
- Introduzir dependência de packer.
## Inputs
- `prometeu-compiler/prometeu-frontend-api/src/main/java/p/studio/compiler/models/IRBackend.java`
- `prometeu-compiler/prometeu-frontend-api/src/main/java/p/studio/compiler/models/IRBackendFile.java`
- `prometeu-compiler/prometeu-frontend-api/src/main/java/p/studio/compiler/models/IRFunction.java`
- `prometeu-compiler/prometeu-frontend-api/src/main/java/p/studio/compiler/models/IRReservedMetadata.java`
- `docs/pbs/specs/13. Lowering IRBackend Specification.md`
- `docs/pbs/specs/6.1. Intrinsics and Builtin Types Specification.md`
- `docs/pbs/specs/6.2. Host ABI Binding and Loader Resolution Specification.md`
- `../runtime/docs/runtime/decisions/005-v1-vm-owned-input-intrinsics-and-language-agnostic-surface.md`

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# 18.2. Backend Workshop 2 - LowerToVM and IRVM Contract
Status: Active (Draft)
## Purpose
Definir o contrato intermediário `IRVM` e as regras normativas de lowering `IRBackend -> IRVM`, garantindo que a emissão de bytecode seja mecânica e determinística.
## Context
- O runtime já define ISA e calling rules concretas.
- No runtime atual, jumps usam imediato `u32` absoluto relativo ao início da função.
- O verificador e o loader já têm validações rígidas que devem ser antecipadas pelo backend sempre que possível.
## Decisions to Produce
1. Modelo oficial de `IRVM`:
- unidades (módulo/função/bloco),
- instruções VM-like,
- referência a constantes/globais/locals/callables,
- metadados mínimos por função.
2. Regras de lowering para controle de fluxo:
- labels simbólicos,
- normalização de blocos,
- política de branch/jump target.
3. Regras de lowering para chamadas:
- `CALL`,
- `HOSTCALL` pré-load,
- `INTRINSIC` VM-owned.
4. Regras de layout de função e slots:
- `param_slots`,
- `local_slots`,
- `return_slots`.
5. Política de diagnósticos determinísticos no lowering para rejeições backend-originadas.
## Core Questions
1. `IRVM` permite pseudo-opcodes que não existem na ISA final?
2. Onde ocorre a resolução final de labels para offsets: no próprio lowering ou apenas no emitter?
3. Como garantir que cada função tenha finalização válida (`RET`/terminador) sem depender só do verificador?
4. Qual o limite de checagens estáticas no compiler vs checagens delegadas ao verifier do runtime?
5. Como representar efeitos de stack no `IRVM` para detectar underflow/mismatch antes de emitir bytes?
6. Como versionar `IRVM` em relação à linha de ISA do runtime selecionada?
## Expected Spec Material
1. Nova spec: `IRBackend -> IRVM` lowering contract.
2. Nova spec: `IRVM` model e invariantes.
3. Tabela de mapeamento `IRVM op -> ISA op` por linha de runtime suportada.
4. Critérios de testes unitários do `LowerToVMPipelineStage`.
## Non-Goals
- Implementar ainda otimizações avançadas.
- Expandir ISA com novos opcodes.
- Resolver políticas de linking multi-artifact além do necessário para execução v1.
- Definir packer/cart assembly.
## Inputs
- `prometeu-compiler/prometeu-build-pipeline/src/main/java/p/studio/compiler/workspaces/stages/LowerToVMPipelineStage.java`
- `../runtime/docs/runtime/virtual-machine/ISA_CORE.md`
- `../runtime/docs/runtime/specs/02-vm-instruction-set.md`
- `../runtime/docs/runtime/specs/02a-vm-values-and-calling-convention.md`
- `../runtime/crates/console/prometeu-bytecode/src/opcode.rs`
- `../runtime/crates/console/prometeu-bytecode/src/opcode_spec.rs`
- `../runtime/crates/console/prometeu-bytecode/src/decoder.rs`
- `../runtime/crates/console/prometeu-vm/src/verifier.rs`

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# 18.3. Backend Workshop 3 - Bytecode Marshaling and Runtime Conformance
Status: Active (Draft)
## Purpose
Fechar o contrato de emissão de bytecode/PBX a partir de `IRVM`, com conformidade explícita ao loader/verifier/runtime atual.
## Context
- O runtime já define layout de módulo, parser de seções e invariantes de load-time.
- `SYSC` é seção obrigatória (mesmo vazia), `HOSTCALL` é forma pré-load, `SYSCALL` final só após patching do loader.
- O verifier rejeita `HOSTCALL` não patchado e valida estrutura de controle/stack sobre imagem final.
## Decisions to Produce
1. Contrato de marshaling de `IRVM -> BytecodeModule`:
- `const_pool`,
- `functions`,
- `code`,
- `debug_info` (mínimo obrigatório),
- `exports`,
- `syscalls`.
2. Política de encoding de instruções:
- little-endian,
- `[opcode u16][immediate]`,
- encoding de saltos/calls conforme ISA.
3. Política de emissão de `SYSC`:
- deduplicação por identidade canônica,
- ordenação por primeira ocorrência,
- `arg_slots`/`ret_slots` coerentes com metadado host.
4. Contrato explícito “pre-load artifact vs executable image”:
- backend emite `HOSTCALL` quando host-backed,
- backend não emite `SYSCALL` bruto no artefato pré-load,
- intrinsics VM-owned seguem caminho distinto.
5. Estratégia de conformidade e regressão contra runtime real.
## Core Questions
1. Qual política oficial de ordenação de funções no bytecode (ordem de source, topo sort, entry-first)?
2. Como calcular `code_offset`/`code_len` por função em flatten final de `code`?
3. Quais hooks mínimos de source attribution serão emitidos no `debug_info` v1?
4. Quais validações o emitter faz antes de serializar vs o que é delegado ao loader/verifier?
5. Como padronizar mensagens/erros de marshaling para manter diagnóstico determinístico?
6. Qual suíte mínima de integração prova “bytecode emitido roda no runtime” sem packer?
## Expected Spec Material
1. Atualização de `docs/general/specs/15. Bytecode and PBX Mapping Specification.md`.
2. Atualização de `docs/general/specs/19. Verification and Safety Checks Specification.md`.
3. Decision record de “bytecode backend v1 marshaling contract”.
4. Plano de testes Gate I para backend executável.
## Non-Goals
- Definir fluxo de empacotamento final de cartucho.
- Alterar o contrato do loader/runtime.
- Definir formato final de symbolication completo.
- Cobrir perf tuning de emissor.
## Inputs
- `prometeu-compiler/prometeu-build-pipeline/src/main/java/p/studio/compiler/workspaces/stages/EmitBytecodePipelineStage.java`
- `../runtime/crates/console/prometeu-bytecode/src/model.rs`
- `../runtime/crates/console/prometeu-bytecode/src/assembler.rs`
- `../runtime/crates/console/prometeu-bytecode/src/program_image.rs`
- `../runtime/crates/console/prometeu-vm/src/virtual_machine/loader.rs`
- `../runtime/crates/console/prometeu-vm/src/vm_init_error.rs`
- `../runtime/crates/console/prometeu-vm/src/verifier.rs`
- `docs/pbs/specs/6.2. Host ABI Binding and Loader Resolution Specification.md`
- `docs/general/specs/15. Bytecode and PBX Mapping Specification.md`

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@ -4,6 +4,13 @@ This directory contains active PBS discussion agendas.
Closed agendas are moved to `docs/pbs/agendas/archive`. Closed agendas are moved to `docs/pbs/agendas/archive`.
## Active Agendas
1. `18.0. Backend VM Pipeline - Orchestration Agenda.md`
2. `18.1. Backend Workshop 1 - IRBackend Input Contract.md`
3. `18.2. Backend Workshop 2 - LowerToVM and IRVM Contract.md`
4. `18.3. Backend Workshop 3 - Bytecode Marshaling and Runtime Conformance.md`
## Purpose ## Purpose
An agenda exists to drive a decision, not to serve as final normative text. An agenda exists to drive a decision, not to serve as final normative text.