Rite Define

/rite-define: plan from the spec

Turn spec.md into architecture, vertical slices, traceability, and state. Spec owns what/why; Define owns how. Do not write code.

Rules consulted (read on demand from .omp/skills/devrites-lib/reference/standards/)

Pull these via Read when shaping the plan:

• development-workflow.md: small batches, trunk-always-green, definition of done.
• principles.md: the project invariants (.devrites/principles.md) the chosen approach must conform to.
• documentation.md: record plan-time decisions and rationale.
• repository-topology.md, data-integrity.md, and integration-reliability.md: load only for matching spec.md applicability rows; each applicable owner is mandatory.
• ../devrites-lib/reference/workspace-artifact-schema.md: artifact purposes, budgets, IDs, and read triggers.

Operating rules

• Requires a readied spec. Gate conditions and STOP routing are step 0; never plan it.
• Apply afk-hitl.md ownership. Prefer conventions; source-check new dependencies/design systems, asking only about licensing, cost, security, or policy.
• Author one architecture.md/plan.md section at a time. Before slicing, use elicitation.md Tournament for open designs and Delphi for uncertain estimates.
• Derive the slice count from the work. One per independently-shippable increment, sized by slicing.md; map every acceptance criterion. User counts are hints: explain honest differences, never pad/compress. .devrites/AFK max_slices is an iteration budget, not decomposition.
• Complexity does not shrink scope. Split/reorder; never drop/defer approved REQ/AC. Reduction needs Drift Guard + human decision; hard/large means decompose.
• Wide refactors use expand → migrate → contract. Add compatibility, migrate green batches, then remove the old path; if batches cannot stay green, use an integration branch plus final verify.
• Root writes; drafter proposes under bounded fresh context (agents.md); root owns choices and canonical files.

Workflow

0. Read .omp/skills/devrites-lib/reference/standards/core.md: the always-on operating rules and anti-rationalizations. Resolve the active slug from .devrites/ACTIVE, require its state.md, and re-open spec.md and apply spec-grammar.md's Native grammar re-read checklist. If there is no active workspace, no spec.md, the checklist fails, or its readiness gate hasn't passed → STOP and tell the user to run /rite-spec <feature> first. If decision-coverage.md is absent or does not say Decision coverage: CLEAR, STOP → /rite-clarify.
1. Read the spec: spec.md (objective, requirements, acceptance, placement, design references, gaps/decisions), plus references.md, decisions.md, assumptions.md, decision-coverage.md, strategy.md if present (the scope mode, deferred / out-of-scope register, and pre-mortem risks from /rite-temper: cut slices to mitigate the top risks and respect the IN/OUT line; map coverage against the hardened spec), and design-brief.md if the feature touches UI (the UX/UI contract /rite-spec shaped: its key states, interaction model, and proof targets drive how UI slices are cut). If a blocking [NEEDS CLARIFICATION] remains, stop → /rite-clarify. Reconcile every Applicability map row against live repository evidence. Load each applicable standard; a false not applicable is a blocking spec gap, not a planning shortcut. 1a. Draft from fresh context. Freeze the planning inputs and dispatch devrites-plan-drafter in define mode for one atomic candidate bundle: architecture.md, plan.md, tasks.md, and traceability.md with proof mapping. Validate its bounded result; it does not write/ask, and returns human choices to root.
2. Reconcile architecture + approach against live seams; root writes at step 6. architecture.md owns layers/boundaries/integrations/data/dependencies/risks/impact; plan.md owns build strategy. Use the code index for structure/impact (tooling.md) and source-check external behavior. Record significant options as DEC-### only for non-obvious real trade-offs where independently built lower units could choose incompatibly; leave other details to convention/ slice. Compare ≥2 viable approaches for hard-to-reverse boundaries, models, contracts, or dependencies by drivers, trade-offs, and consequences. Specify cross-boundary interfaces for independent work: invariants, I/O, ordering/idempotency, errors, versioning, config, and relevant budgets. Establish repository/deployable roots, state and contract ownership, shared mutable resources, and deployment order under repository-topology.md. For applicable durable data or integration rows, include the exact required plan table from data-integrity.md or integration-reliability.md; do not replace it with "handle retries/migration" prose. For any changed provider/consumer boundary, complete plan.md's canonical Shared contract proof table with one reused contract artifact and provider- and consumer-side asserting tests that both consume it. Otherwise record the exact justified no-impact statement. Missing, one-sided, duplicated-contract, vague, or non-consuming proof blocks. Deep-module check: prefer small, stable interfaces hiding meaningful, testable behavior. Deepen/delete shallow modules whose interface matches implementation complexity. Put their independent behavior in Tests/proof; /rite-vet confirms. 2a. Decision-horizon sweep. Apply reference/plan-template.md's classification to every question, assumption, architecture/dependency/proof choice, and checkpoint. Resolve planning items from source; only necessary executable evidence warrants a risk spike with discriminating criteria/fallback branches. Human blockers route to /rite-clarify. dispositions per reference/plan-template.md §Decision horizons.
3. Create vertical tasks: each delivers one independently verifiable, observable capability end to end; first is the thinnest useful path, ordered by dependency then risk. Apply the slice-count and broad-refactor rules above plus rite-plan/reference/slicing.md and rite-plan/reference/task-breakdown.md. Mark per slice: Frontend craft required and Browser proof required (UI), and whether it's fullstack (FE+BE → contract first, see devrites-frontend-craft/reference/fullstack.md). For UI slices, name which of design-brief.md's key states + interaction the slice delivers, and give it a binary Visual acceptance target (state × viewport × input + target R-id/brief rule), so the design contract maps to slices as well as acceptance criteria. Tests/proof names exact command, cwd, expected signal, prerequisites, and mutable provenance inputs; /rite-vet preflights them. Write the portable repository command, never RTK/local wrappers, user-specific absolute paths, or temporary proof trees. When a shared contract changes, order its canonical artifact before both asserting tests and make provider/consumer dependencies explicit. Each exact Characterization: characterize-before-modify row is the first touching slice's prerequisite: observe and test unchanged baseline green, perturb realistic behavior red, restore green, then modify. Never expand this into repository-wide coverage.
4. Map coverage and wiring: every AC-### spec acceptance criterion maps to ≥1 SLICE-### (rite-spec/reference/acceptance-criteria.md); no orphaned criteria, no slice without a criterion. Lift covered/backstop Edge Coverage rows and resolved Prohibitions (must-NOT) rows into traceability.md and test-plan.md; unresolved rows get a gate/owner. Each cross-slice boundary names producer, consumer, invariant, integration step, and proof. Map each applicable topology/data/integration risk to a slice, failure/recovery path, and discriminating proof; a risk cannot live only in the architecture narrative. 4a. Persist traceability natively. The drafter proposes and root writes traceability.md (AC/REQ ID → slice → proof → evidence ID → files → status). Re-read spec, tasks, and proof fields: every ID must exist and every mapping preserve meaning, not just labels. Reject orphans, inventions, and false mappings; /rite-prove and /rite-seal read this file directly. Reference the plan's Shared contract proof rows from existing slice/proof mappings; do not create a second traceability system.
5. Complexity and deviations gate: justify anything outside DevRites defaults (new dep, extra abstraction, second design system) in the plan; if you can't justify it, simplify. Principles conformance: read .devrites/principles.md (if present) and confirm the approach honors every declared invariant. A plan that conflicts with one is not "a deviation to justify away": either reshape the approach to conform, or, when the conflict is genuine and intended, route it through the Spec Drift Guard plus a recorded decision and a scoped principle exception a human approves. Never ready a plan that silently violates an invariant. (Re-scored as a blocking gate at /rite-vet; no file → none declared → nothing to check.)
6. Write architecture.md, plan.md, tasks.md, and traceability.md; update state.md (phase: plan → next /rite-vet). When diagrams clarify, also write optional flows.md (Mermaid-first). If a richer reviewable visual earns it, emit visual/<flow>.html + visual/<flow>.outline.md after loading matching playbooks from ../devrites-lib/reference/visual-playbooks/index.md (progressive; never preload all seven), link the pair from flows.md, treat outline as SSOT (outline wins), and never require Lavish or a new phase. 6a. Cross-artifact gate. Read spec, tasks, and traceability together: every buildable AC/REQ maps to an existing slice/proof, every slice maps to real acceptance, and names/prose agree. Missing, duplicate, contradictory, or meaning-changing mappings block.
7. Readiness gate (plan-template.md): require CLEAR coverage; complete acceptance, wiring, shared-contract proof, applicable outputs, and rollback; risk-first acyclic order; justified deviations; and every horizon item present, with blockers resolved, planning items resolved/validly spiked, and local/action entries bounded and owned. Stop and confirm before code. Render the review-before-code digest first: Intent (one sentence from the spec), Done means (acceptance coverage x/y), Plan sanity (slice count + riskiest boundary/gate), Expected build interruptions (none or only justified action-time gates), and Build exactly this? (yes → approve; no → /rite-plan revise). When the human confirms the plan, write Plan approved: <iso> to state.md (see state-workspace); /rite-build checks this exists before building.

tasks.md slice format

Use the canonical slice grammar in workspace-artifact-schema.md. Every slice must satisfy that complete field set; phase-specific gate details live in reference/gates.md.

Mid-flight discipline. Do not skip vertical slicing, coverage mapping, or dependency ordering. See anti-patterns.