Product text import from agency XLSX workbooks

VITEC Import module: Products tab is now a searchable/sortable product
overview. "Edit Product" opens an XLSX upload with per-field source
mapping (component + cell), old/new preview and checkbox apply via
DataHandler; the mapping and manual matches are persisted and preselect
the next workbook. Category workbooks are detected and rejected.

- new: ProductXlsxReader (PhpSpreadsheet), ProductTextImportController,
  Products/ProductTexts templates, 4 module routes
- related products: per-pair card text in new side table
  tx_vitec_product_related_text (survives MM rewrites), emitted as
  `cardtext` in the product JSON; missing MM relations added add-only
- card copy read from Body Copy (D) with fallback to CTA/Card Copy (E) -
  the workbooks fill either depending on row type
- product detail page <title> now uses seotitle with title fallback
  (provider made singleton and fed from the JSON renderer)
- per-user recent-search badges; last loaded workbook stored per product
  (tx_vitec_product_workbook), Edit Product reopens on it
- composer: add phpoffice/phpspreadsheet ^5.9
- diagnostics: migrations/check_workbook.php

packages/vitec/ext_tables.sql

@@ -53,6 +53,11 @@ CREATE TABLE tx_vitec_domain_model_product (
     contentelementcta varchar(255) DEFAULT '' NOT NULL,
     videofile int(11) unsigned DEFAULT '0' NOT NULL,
     showdatapath smallint(5) unsigned DEFAULT '0' NOT NULL,
+    heroimage int(11) unsigned DEFAULT '0' NOT NULL,
+    description2 text,
+    capabilities text,
+    portfolio varchar(1024) DEFAULT '' NOT NULL,
+    textrelatedproducts text,
     KEY parent (pid)
 );
 CREATE TABLE tx_vitec_domain_model_download (
@@ -311,6 +316,7 @@ CREATE TABLE tx_vitec_import_mapping (
     model varchar(64) DEFAULT '' NOT NULL,
     identity_field varchar(64) DEFAULT 'slug' NOT NULL,
     mapping text,
+    record_aliases text,
     PRIMARY KEY (uid),
     KEY model (model)
 );
@@ -325,3 +331,34 @@ CREATE TABLE tx_vitec_seo_research (
     payload mediumtext,
     PRIMARY KEY (uid)
 );
+
+--
+-- Per-pair card copy for the related-products relation. Deliberately NOT a
+-- column on tx_vitec_product_related_mm: DataHandler rewrites the MM rows on
+-- every save of the product (delete + reinsert to apply sorting), which would
+-- silently wipe any extra column. This side table survives that; orphaned rows
+-- (relation later removed) are simply never joined. No TCA on purpose -
+-- written by the product-text import module, read by ProductShowJsonRenderer.
+--
+CREATE TABLE tx_vitec_product_related_text (
+    product_uid int(11) DEFAULT '0' NOT NULL,
+    related_uid int(11) DEFAULT '0' NOT NULL,
+    cardtext text,
+    tstamp int(11) DEFAULT '0' NOT NULL,
+    PRIMARY KEY (product_uid, related_uid)
+);
+
+--
+-- The last successfully loaded product workbook, one row per product - so
+-- "Edit Product" reopens on the previous upload instead of an empty form.
+-- Parsed JSON, not the binary file; same payload-storage pattern as
+-- tx_vitec_seo_research. No TCA on purpose.
+--
+CREATE TABLE tx_vitec_product_workbook (
+    product_uid int(11) DEFAULT '0' NOT NULL,
+    filename varchar(255) DEFAULT '' NOT NULL,
+    payload mediumtext,
+    be_user int(11) DEFAULT '0' NOT NULL,
+    tstamp int(11) DEFAULT '0' NOT NULL,
+    PRIMARY KEY (product_uid)
+);