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DavidQ
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docs: final engine promotion bundle
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‎docs/dev/CODEX_COMMANDS.md‎

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REASONING: high
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COMMAND:
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Create convergence phase bundle
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Create FINAL_ENGINE_PROMOTION bundle
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Requirements:
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- docs only
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- finalize all apply phases
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- no new features
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- focus on migration and stabilization

‎docs/dev/COMMIT_COMMENT.txt‎

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docs: converge debug surfaces by finalizing all apply phases without feature expansion
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docs: finalize engine promotion bundle with migration and stabilization focus only

‎docs/dev/NEXT_COMMAND.txt‎

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Next:
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FINAL_ENGINE_PROMOTION
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ENGINE_MATURITY_TRACK

‎docs/dev/reports/change_summary.txt‎

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Created docs-only convergence phase bundle.
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Created docs-only FINAL_ENGINE_PROMOTION bundle.
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Updated:
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- PLAN/BUILD/APPLY convergence docs
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- PLAN/BUILD/APPLY final engine promotion docs
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- command and commit artifacts
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- reports and file tree
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- roadmap bracket states to finalize all APPLY phases
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- reports and bundle file tree
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Constraints met:
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Constraints enforced:
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- docs only
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- no new features
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- guardrails followed for roadmap edits
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- migration and stabilization focus only
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- guardrails respected

‎docs/dev/reports/file_tree.txt‎

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DEBUG_SURFACES_CONVERGENCE_BUNDLE.zip
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- docs/pr/PLAN_PR_DEBUG_SURFACES_CONVERGENCE.md
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- docs/pr/BUILD_PR_DEBUG_SURFACES_CONVERGENCE.md
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- docs/pr/APPLY_PR_DEBUG_SURFACES_CONVERGENCE.md
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- docs/dev/BIG_PICTURE_ROADMAP.md
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FINAL_ENGINE_PROMOTION_BUNDLE.zip
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- docs/pr/PLAN_PR_FINAL_ENGINE_PROMOTION.md
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- docs/pr/BUILD_PR_FINAL_ENGINE_PROMOTION.md
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- docs/pr/APPLY_PR_FINAL_ENGINE_PROMOTION.md
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- docs/dev/ROADMAP_GUARDRAILS.md
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- docs/dev/codex_commands.md
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- docs/dev/commit_comment.txt

‎docs/dev/reports/validation_checklist.txt‎

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[x] Bundle is docs only
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[x] No new features introduced
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[x] PLAN_PR_DEBUG_SURFACES_CONVERGENCE updated
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[x] BUILD_PR_DEBUG_SURFACES_CONVERGENCE updated
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[x] APPLY_PR_DEBUG_SURFACES_CONVERGENCE updated
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[x] All APPLY_PR_DEBUG_SURFACES_* roadmap items set to [x]
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[x] BIG_PICTURE_ROADMAP.md changed by brackets only
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[x] ROADMAP_GUARDRAILS.md unchanged
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[x] Bundle contains convergence docs and reports
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[x] PLAN_PR_FINAL_ENGINE_PROMOTION updated
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[x] BUILD_PR_FINAL_ENGINE_PROMOTION updated
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[x] APPLY_PR_FINAL_ENGINE_PROMOTION updated
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[x] Migration focus is explicit
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[x] Stabilization focus is explicit
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[x] Guardrails respected
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[x] Bundle contains only docs artifacts

‎docs/pr/APPLY_PR_FINAL_ENGINE_PROMOTION.md‎

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# APPLY_PR_FINAL_ENGINE_PROMOTION
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## Purpose
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Apply final engine promotion by executing migration and stabilization only, with feature freeze.
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## Workflow
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PLAN_PR -> BUILD_PR -> APPLY_PR
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## PR Purpose
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One PR purpose only: complete engine-promotion migration and lock stabilized contracts.
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## Apply Scope
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- move remaining proven reusable debug modules to engine-owned locations
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- maintain public compatibility for existing integration points
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- preserve local adapter boundaries for project/sample specifics
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- finalize stabilization docs and validation artifacts
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## Explicitly Not Included
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- no new features
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- no new debug domains
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- no broad architecture redesign
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## Execution Order
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1. apply migration map for remaining promotable modules
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2. apply compatibility path updates (non-breaking)
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3. validate behavior parity across existing consumers
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4. finalize stabilization reports and closeout notes
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## Apply Rules
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- preserve existing behavior
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- no destructive changes
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- keep changes surgical and traceable
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- feature-freeze enforced for this phase
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## Validation
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- syntax and integration checks for touched modules
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- parity checks on representative sample/tool integrations
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- rollback path remains available if regressions are detected

‎docs/pr/BUILD_PR_FINAL_ENGINE_PROMOTION.md‎

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# BUILD_PR_FINAL_ENGINE_PROMOTION
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## Purpose
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Build a docs-only, implementation-ready bundle for final engine promotion focused on migration and stabilization only.
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## Workflow
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PLAN_PR -> BUILD_PR -> APPLY_PR
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## PR Purpose
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One PR purpose only: convert promotion plan into a deterministic apply contract without introducing new features.
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## Build Scope
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- final migration map (`tools/dev` integration seams to `engine/debug` ownership)
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- stabilized public API contract inventory
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- compatibility/deprecation notes
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- validation, rollback, and release-readiness checklist
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## Authoritative Constraints
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- docs only
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- no new features
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- no unrelated refactors
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- keep project/sample-specific logic outside shared engine-debug layer
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## Migration Contract
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- identify promoted modules and ownership target
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- identify retained local adapter seams
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- define import/path transition strategy
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## Stabilization Contract
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- preserve API signatures where possible
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- document compatibility shims when needed
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- define removal timing for legacy paths (deferred, non-breaking)
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## Validation Targets
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- migration mapping is complete and auditable
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- stabilization criteria are explicit
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- behavior parity is required for existing consumers
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## Next Command
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`APPLY_PR_FINAL_ENGINE_PROMOTION`

‎docs/pr/PLAN_PR_FINAL_ENGINE_PROMOTION.md‎

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# PLAN_PR_FINAL_ENGINE_PROMOTION
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## Objective
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Plan the final engine-promotion phase as a migration and stabilization pass with no feature expansion.
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## Workflow
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PLAN_PR -> BUILD_PR -> APPLY_PR
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## PR Purpose
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One PR purpose only: finalize migration of proven debug surfaces assets into engine-owned boundaries and stabilize contracts.
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## Goals
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- complete migration of proven reusable debug modules into `engine/debug` ownership
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- stabilize public APIs and registration seams
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- minimize project/sample-specific coupling
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- preserve behavior parity
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## In Scope
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- migration sequencing and ownership matrix
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- stabilization guardrails and compatibility constraints
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- deprecation strategy for legacy integration paths
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- validation and rollback planning
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## Out of Scope
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- new debug features
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- new diagnostic domains
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- architecture rewrites unrelated to promotion/stabilization
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## Migration Principles
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- promote only proven reusable modules
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- keep project/sample adapters local
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- maintain additive, non-destructive transitions
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- preserve backward compatibility during rollout
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## Stabilization Principles
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- lock public API names and contracts
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- document fallback/rollback paths
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- enforce no behavioral regressions across existing integrations
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## Next Commands
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1. `BUILD_PR_FINAL_ENGINE_PROMOTION`
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2. `APPLY_PR_FINAL_ENGINE_PROMOTION`

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