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FUTURE ARCHITECTURAL BLUEPRINT: This document represents a planning and design phase for future development. No invoice, payment, MES, or automatic production-routing behavior is considered production-complete. Phase 36 starts after the Phase 35.5 production freeze.

Phase 36 — Production Order Intake & File Governance

This document presents the future architectural blueprint and operational roadmap for Phase 36: Production Order Intake & File Governance.

Following the successful validation and freeze of the Phase 10/35 Preflight Diagnostic Contract, Phase 36 transitions the platform from standalone document testing to a fully integrated marketplace order fulfillment pipeline.

Our processing flow is governed by the platform's core operational promise:

Engine produces truth. Service preserves truth. Worker executes and persists truth. BFF displays truth. ControlPlane governs truth.

1. Objective​

The core objective of Phase 36 is to build a robust, quality-gated transaction path that securely transitions a customer from an initial price estimation to physical print readiness:

2. Scope​

The implementation scope of Phase 36 includes the following developmental blocks:

  • Marketplace Order Creation: Converting estimation requests into structured marketplace transaction records.
  • Selected Offer Binding: Locking the customer's selected printing offer (price, transit time, and partner printhouse ID) to the main order database record.
  • Final Print File Ingestion: Establishing secure uploads for heavy production assets:
    • INTERIOR_PDF: The inner book blocks and page spreads.
    • COVER_PDF: Cover layouts including spine width, front cover, back cover, and flaps.
  • File Versioning Controls: Supporting multiple document uploads per order, preserving complete trace history for auditing.
  • Checksum & Storage Verification: Locking uploaded files with cryptographical SHA-256 metadata directly inside object storage registries.
  • Preflight Job Binding: Automatically triggering preflight worker diagnostics upon upload completion and linking results to the order.
  • Order Readiness Computation: Dynamic rules evaluation confirming document checks, partner checks, and tenant details.
  • Invoice Gating: Automatically preventing invoice generation until quality gates are satisfied.
  • Printhouse Handoff Preparation: Packaging metadata, physical download links, and order requirements for partner transmission.

3. Not in Scope Yet​

To maintain extreme development focus and protect release stability, the following capabilities are explicitly excluded from Phase 36 and reserved for subsequent sprints:

  • Full MES Dispatch: Direct physical machine-level scheduling or print-line queue optimization.
  • Machine-Level Routing: Automated job dispatching to specific print presses or binding lines inside the print partner shops.
  • Payment Splits / Wallet Routing: Automated processing of financial splits, sub-merchant transfers, or multi-party wallet payouts.
  • Advanced AI Optimization: Automated AI page rearrangement, print imposition, or document modifications beyond standard preflight autofixes.
  • New Engine Diagnostics: Core updates to the low-level parsing engine's structural properties extraction rules.

4. Proposed Order States​

Marketplace orders will transition through a standardized state machine:

  • DRAFT: The order is created but has not been finalized or bound to a selected offer.
  • OFFER_SELECTED: The customer has committed to a specific print offer and price.
  • FILES_REQUIRED: The order is active, and the customer must upload physical PDF files.
  • FILES_UPLOADED: All required production PDFs have been written to object storage.
  • PREFLIGHT_PENDING: The files are currently queued for asynchronous analysis.
  • PREFLIGHT_PASSED: The files successfully satisfied all structural preflight requirements.
  • PREFLIGHT_DEGRADED: The files passed preflight checks under degraded execution rules.
  • PREFLIGHT_BLOCKED: Preflight identified critical document errors that block production.
  • READY_TO_INVOICE: All quality gates are satisfied, and the order is cleared for invoicing.
  • INVOICED: The invoice has been compiled and dispatched to the customer.
  • PAID: Payment verification has completed.
  • HANDOFF_READY: Metadata packages and files are verified and prepared for printhouse transmission.
  • SENT_TO_PRINTHOUSE: The order payload has been accepted by the print partner's intake gateway.

5. File Roles​

To ensure correct preflight profiling, physical files must be uploaded under one of three distinct roles:

  1. INTERIOR_PDF: Mapped to book page blocks, checked for font embedding, page count alignment, and CMYK color spaces.
  2. COVER_PDF: Mapped to cover plates, checked for spine width calculations, bleed boundaries, and crop coordinates.
  3. OPTIONAL_ASSETS: Mapped to supplementary materials (insertions, bookmarks, shipping tags), which undergo light integrity validation only.

6. File States​

Every uploaded file will hold an individual processing state in the file registry database:

  • UPLOADED: The file has been successfully written to object storage.
  • VALIDATING: Running initial malware and format-validity audits on the asset.
  • PREFLIGHT_RUNNING: The file is undergoing active processing inside a worker container.
  • ACCEPTED: Checked and cleared by the parser.
  • ACCEPTED_WITH_WARNINGS: Cleared for print, but minor warnings exist.
  • REQUIRES_FIX: Preflight failed, but errors can be corrected via automated autofix tools.
  • REJECTED: Preflight failed due to unrecoverable document errors.
  • SUPERSEDED: A newer version of the file has been uploaded by the customer, archiving this version.

7. Governance Rules​

The ControlPlane enforces these rules to govern the transition of orders into production:

  • Degraded Permissibility: A PREFLIGHT_DEGRADED result does not automatically block order progression. If the core physical geometry is verified, the order can proceed.
  • Infrastructure Fault Blocking: A FAILED_RUNTIME_ENVIRONMENT status blocks the order but automatically triggers an infrastructure retry thread on a separate worker node.
  • Document Fault Gating: A critical PDF document failure (REJECTED) halts order progression, flags the order, and routes it to the customer for a new upload or to a human administrator for review.
  • Incomplete Upload Blocking: Missing a mandatory file role (INTERIOR_PDF or COVER_PDF) strictly blocks invoice generation.
  • Invoice Cleared Gate: An invoice can only be generated when all required physical files are marked ACCEPTED/ACCEPTED_WITH_WARNINGS and the customer, selected offer, and printhouse IDs are verified.

8. Suggested Repository Implementation Order​

To ensure clean database schema integrations, development will proceed in the following order:

  1. ppos-control-plane: Draft database migration schemas (order registries, file tracking tables, FSM triggers) and construct basic dashboard governance lists.
  2. BPE / Marketplace App: Build frontend customer portals for selecting offers, triggering orders, and displaying physical file drag-and-drop zones.
  3. preflight-app-bff: Expose core endpoint pathways (/api/v2/orders/*, /api/v2/files/*) to broker secure S3 uploads and stream processing statuses.
  4. Shared Contracts: Define typings and types packages shared across services.