feat: implement vendor spec BOM import and PN→LOT resolution (Phase 1)
- Migration 029: local_partnumber_books, local_partnumber_book_items, vendor_spec TEXT column on local_configurations - Models: LocalPartnumberBook, LocalPartnumberBookItem, VendorSpec, VendorSpecItem with JSON Valuer/Scanner - Repository: PartnumberBookRepository (GetActiveBook, FindLotByPartnumber, SaveBook/Items, ListBooks, CountBookItems) - Service: VendorSpecResolver 3-step resolution (book → manual suggestion → unresolved) + AggregateLOTs with is_primary_pn qty logic - Sync: PullPartnumberBooks append-only pull from qt_partnumber_books - Handlers: VendorSpecHandler (GET/PUT/resolve/apply), PartnumberBooksHandler - Routes: /api/configs/:uuid/vendor-spec*, /api/partnumber-books, /api/sync/partnumber-books, /partnumber-books page - UI: 3 top-level tabs [Estimate][BOM вендора][Ценообразование]; Excel paste, PN resolution, inline LOT autocomplete, pricing table - Bible: 03-database.md updated, 09-vendor-spec.md added Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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bible/09-vendor-spec.md
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bible/09-vendor-spec.md
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# 09 — Vendor Spec (BOM Import)
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## Overview
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The vendor spec feature allows importing a vendor BOM (Bill of Materials) into a configuration. It maps vendor part numbers (PN) to internal LOT names using an active partnumber book (snapshot pulled from PriceForge), then aggregates quantities to populate the Estimate (cart).
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## Architecture
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### Storage
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| Data | Storage | Sync direction |
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|------|---------|---------------|
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| `vendor_spec` JSON | `local_configurations.vendor_spec` (TEXT/JSON) | Two-way via `pending_changes` |
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| Partnumber book snapshots | `local_partnumber_books` + `local_partnumber_book_items` | Pull-only from PriceForge |
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`vendor_spec` is a JSON array of `VendorSpecItem` objects stored inside the configuration row. It syncs to MariaDB `qt_configurations.vendor_spec` via the existing pending_changes mechanism.
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### `vendor_spec` JSON Schema
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```json
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[
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{
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"sort_order": 10,
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"vendor_partnumber": "ABC-123",
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"quantity": 2,
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"description": "...",
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"unit_price": 4500.00,
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"total_price": 9000.00,
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"resolved_lot_name": "LOT_A",
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"resolution_source": "book",
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"manual_lot_suggestion": null
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}
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]
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```
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`resolution_source` values: `"book"` | `"manual_suggestion"` | `"unresolved"`
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`manual_lot_suggestion` stores the user's inline LOT input — scoped to this configuration only, never written to the global book.
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---
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## Resolution Algorithm (3-step)
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For each `vendor_partnumber` in the BOM:
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1. **Active book lookup** — query `local_partnumber_book_items WHERE book_id = activeBook.id AND partnumber = ?`. If found → `resolved_lot_name = match.lot_name`, `resolution_source = "book"`.
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2. **Manual suggestion** — if `manual_lot_suggestion` is non-empty (user typed it before) → pre-fill as grey suggestion, `resolution_source = "manual_suggestion"`.
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3. **Unresolved** — red background, inline autocomplete input shown to user.
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---
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## Qty Aggregation Logic
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After resolution, qty per LOT is computed as:
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```
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qty(lot) = SUM(quantity of rows where is_primary_pn=1 AND resolved_lot=lot)
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if at least one primary PN for this lot was found in BOM
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= 1
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if only non-primary PNs for this lot were found
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```
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Examples (book mapping: LOT_A → x1[primary], x2, x3):
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- BOM: x2×1, x3×2 → 1×LOT_A (no primary PN found)
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- BOM: x1×2, x2×1 → 2×LOT_A (primary qty=2)
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- BOM: x1×1, x2×3 → 1×LOT_A (primary qty=1)
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---
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## UI: Three Top-Level Tabs
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The configurator (`/configurator`) has three tabs:
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1. **Estimate** — existing cart/component configurator (unchanged)
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2. **BOM вендора** — paste from Excel, auto-resolution, manual LOT input for unresolved rows, `Пересчитать эстимейт` button
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3. **Ценообразование** — pricing summary table: vendor price | Estimate | Warehouse | Competitors; custom price input with `= сумма цен вендора` shortcut
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BOM is shared between tabs 2 and 3. The `Пересчитать эстимейт` action shows a confirmation dialog before overwriting the cart.
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### Excel Paste Detection
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- 2 columns → `[PN, qty]`
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- 3+ columns → first col=PN, first numeric col=qty, subsequent numeric cols=prices
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- If row 1 has non-numeric qty → treat as header and skip
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---
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## API Endpoints
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| Method | URL | Description |
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|--------|-----|-------------|
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| GET | `/api/configs/:uuid/vendor-spec` | Fetch stored BOM |
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| PUT | `/api/configs/:uuid/vendor-spec` | Replace BOM (full update) |
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| POST | `/api/configs/:uuid/vendor-spec/resolve` | Resolve PNs → LOTs (no cart mutation) |
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| POST | `/api/configs/:uuid/vendor-spec/apply` | Apply resolved LOTs to cart items |
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| GET | `/api/partnumber-books` | List local book snapshots |
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| GET | `/api/partnumber-books/:id` | Items for a book by server ID |
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| POST | `/api/sync/partnumber-books` | Pull book snapshots from server |
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---
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## MariaDB Schema (managed by PriceForge)
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```sql
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CREATE TABLE qt_partnumber_books (
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id INT AUTO_INCREMENT PRIMARY KEY,
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version VARCHAR(50) NOT NULL,
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created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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is_active TINYINT(1) NOT NULL DEFAULT 1
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);
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CREATE TABLE qt_partnumber_book_items (
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id INT AUTO_INCREMENT PRIMARY KEY,
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book_id INT NOT NULL,
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partnumber VARCHAR(255) NOT NULL,
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lot_name VARCHAR(255) NOT NULL,
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is_primary_pn TINYINT(1) NOT NULL DEFAULT 0,
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description VARCHAR(10000) NULL,
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INDEX idx_book_pn (book_id, partnumber),
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FOREIGN KEY (book_id) REFERENCES qt_partnumber_books(id)
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);
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ALTER TABLE qt_configurations ADD COLUMN vendor_spec JSON NULL;
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```
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QuoteForge only reads (`SELECT`) from `qt_partnumber_books` and `qt_partnumber_book_items`. Writes are managed exclusively by PriceForge.
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