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diff --git a/wiki/10-modernization-roadmap.md b/wiki/10-modernization-roadmap.md
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+# Modernization Roadmap
+
+## Purpose
+
+This document defines how BEDS transitions from proof-of-concept broker plumbing to a modern, production-grade platform.
+
+This is not a strict PHP feature port checklist. The objective is to preserve architectural strengths while replacing legacy mechanisms where better patterns now exist.
+
+## Product Direction
+
+- BEDS is a product rewrite in Rust, not a language translation exercise.
+- AMQP-first remains a core invariant.
+- Service role is config-driven from one binary.
+- The white-paper target is a Twitter-like backend showcase (SPEW) launched by configuration and template/domain declarations, with zero core framework code changes.
+
+## Current Program Mode
+
+The project is currently in POC-first mode.
+
+Immediate objective:
+- Stand up two brokers (rBroker and wBroker)
+- Attach them to AMQP service
+- Prove message flow and broker replies
+
+Guardrails are intentionally deferred until POC behavior is stable.
+
+## Must-Keep Invariants
+
+1. AMQP-first data path for application operations.
+2. Config-driven role selection (appServer, admin, segundo, tercero).
+3. Template-driven domain onboarding.
+4. Database-agnostic broker and factory boundaries.
+5. DBA-owned schema boundary (no ad hoc query logic in app layer).
+
+## Modernization Requirements (First Pass)
+
+### Message Contracts
+
+1. Define versioned request and response envelopes.
+2. Standardize correlation and causation identifiers.
+3. Validate payload shape at broker ingress with deterministic error responses.
+
+### Reliability Semantics
+
+1. Define explicit ack and nack policy per error class.
+2. Add retry strategy and dead-letter queue handling.
+3. Add idempotency strategy for mutating operations.
+
+### Broker Runtime
+
+1. Add supervised broker lifecycle (respawn failed tasks).
+2. Add graceful shutdown and queue drain behavior.
+3. Add health states and readiness semantics.
+
+### Configuration System
+
+1. Add schema-level config validation at startup.
+2. Add explicit config versioning and migration path.
+3. Define environment and secret handling policy.
+
+### Factory and Templates
+
+1. Build typed template registry and dispatch.
+2. Separate template metadata from adapter execution logic.
+3. Preserve template capability toggles (audit, journal, locking, cache, retention).
+
+### Observability and Lineage
+
+1. Keep and formalize event lineage fields.
+2. Add structured telemetry for queue lag, throughput, retries, and latency distributions.
+3. Provide operator-facing diagnostics for stuck consumers and poison messages.
+
+### Security Baseline
+
+1. Enforce authenticated producer and consumer connectivity.
+2. Define service-origin trust checks for internal events.
+3. Centralize authorization for template access boundaries.
+
+### Data and Cache Behavior
+
+1. Define cache invalidation contracts for write events.
+2. Define read consistency options per template.
+3. Add optimistic concurrency where needed.
+
+### Verification and Testing
+
+1. Add message-contract compatibility tests.
+2. Keep integration tests with real RabbitMQ in CI where possible.
+3. Add failure-path and soak test milestones before code-complete.
+
+## Execution Sequence
+
+### Phase A: POC Transport Stability (Now)
+
+Goal:
+- Prove broker startup and message flow for rec.read and rec.write.
+
+Definition of done:
+- Spawn tests pass.
+- Message round-trip smoke tests pass.
+- Wiki reflects current tested behavior.
+
+### Phase B: Minimal Core Dispatch
+
+Goal:
+- Replace handler stubs with basic factory wiring for one template path.
+
+Definition of done:
+- fetch and write events route through a real dispatch path.
+- End-to-end request and response schema is stable for first template.
+
+### Phase C: Guardrail Install
+
+Goal:
+- Add reliability and validation layers without breaking proven POC behavior.
+
+Definition of done:
+- Deterministic ingress validation.
+- Explicit ack/nack behavior.
+- Basic dead-letter and retry policy in place.
+
+### Phase D: Productization Baseline
+
+Goal:
+- Hardening for repeatable deployment and operations.
+
+Definition of done:
+- Supervision and graceful shutdown.
+- Operator diagnostics and telemetry.
+- Config schema and migration strategy.
+
+### Phase E: White-Paper Readiness
+
+Goal:
+- Demonstrate zero core code changes for new product behavior.
+
+Definition of done:
+- SPEW backend behavior enabled through config and template/domain declarations.
+- Benchmark and lineage evidence captured for white-paper material.
+
+## Acceptance Gates
+
+1. Functionality gate: broker flow and dispatch correctness.
+2. Reliability gate: bounded behavior under failures.
+3. Operability gate: observable and diagnosable runtime.
+4. Product gate: new domain behavior without core edits.
+
+## Documentation Rule
+
+Any substantive architecture or runtime behavior change must update relevant wiki pages in the same change set.
diff --git a/wiki/Home.md b/wiki/Home.md
index 99bf666..4555279 100644
--- a/wiki/Home.md
+++ b/wiki/Home.md
@@ -17,6 +17,7 @@ If you are reading this as a new contributor, start here and read in order. The
 ### Operations
 - [IPL — Initial Program Load](04-ipl.md) — The bootstrap sequence, step by step, and why order matters
 - [Configuration System](05-configuration.md) — Layered TOML, environment files, topology options
+- [Modernization Roadmap](10-modernization-roadmap.md) — POC-first execution sequence and modernization requirements
 
 ### Messaging
 - [Queue Topology](06-queue-topology.md) — AMQP exchanges, queues, routing keys, and the broker model