Split README into topic documents

- README reduced to overview with linked document index
- docs/equipment/pressing-line.md: fleet strategy, Newbilt plan, site reqs
- docs/suppliers/vendor-landscape.md: researched vendor narratives
- docs/sustainability.md: solar, zero-discharge water, materials
- docs/worker-safety.md: training, clean rooms, PPE
- docs/facility-security.md: access control, CCTV, archive/audio protection,
  fire and life safety, plant monitoring, Thai compliance anchors

docs/suppliers/vendor-landscape.md

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+# Vendor Landscape
+
+Research on candidate vendors for the production chain beyond the Newbilt
+pressing line (from vendor sites and trade press; capabilities are claims
+until quotes and visits verify them). Pricing is unpublished across the
+board: every one of these is a quote-on-request conversation.
+
+The tabular needs-and-suppliers map lives in
+[`equipment-suppliers.md`](equipment-suppliers.md); this document is the
+narrative per vendor.
+
+## Mastering and cutting: Agnew Analog (Greece)
+
+[Agnew Analog Reference Instruments](https://agnewanalog.com/) builds the
+**Type 612 disk mastering lathe** (unveiled 2023, billed in the trade press
+as the first all-new lacquer cutting lathe since the mid-1960s) and the
+companion Type 602 stereo cutter head, sold turnkey or as components. Bespoke,
+low-volume manufacturing by J. I. Agnew, so expect long build times. The
+lathe is only the platform: a working cutting room additionally needs cutter
+amplifiers, a mastering console, a preview/pitch-automation solution, vacuum
+and swarf handling, plus lacquer blanks and styli as consumables.
+
+## Silvering and electroforming equipment: Plating Power / Digital Matrix (USA)
+
+[Plating Power](https://www.platingpower.com/) is the vinyl brand of Digital
+Matrix Corporation (Farmingdale, NY), the dominant turnkey vendor for vinyl
+galvanics. Their line covers silvering (VLSS station), nickel pre-plate
+(VLPP), production electroforming (VLFP 2/4/6-cell system), and
+electro-clean/passivation (EC-1000), all built for clean-room use with fume
+extraction hookups. Two gaps matter for this project: they supply **no
+closed-loop water treatment or metal recovery** (a separate industrial
+water-treatment vendor must deliver the zero-discharge system; the
+zero-discharge plating room at Gotta Groove Records in Ohio, built around a
+wastewater evaporator, is the reference model), and no stamper
+punching/finishing equipment (see Sibert below). No Southeast Asia
+distributor; contact is via the US factory or their Japan/Korea distributors.
+
+## Stamper preparation: Sibert Instruments (UK)
+
+[Sibert Instruments](https://www.sibert.co.uk/) (Hampshire, in this niche
+since the early 1970s) makes the machines that turn a raw electroformed
+nickel shell into a press-ready stamper: the VSP center punch, VSF
+back-finisher, and VSC coiner (trim and form in one pass). One-off capital
+equipment filling exactly the gap between the plating line and the presses.
+
+## Stamper service, as a bridge: Stamper Discs (UK)
+
+[Stamper Discs](https://www.stamperdiscs.com/) (Sheffield, founded 2018,
+family-run) is a trade galvanics service: send lacquers or DMM masters, get
+back press-ready 1-step or 3-step stampers in 7"/10"/12", explicitly made to
+fit Viryl, Toolex, and **Newbilt** molds. They ship to 30+ countries and can
+broker lacquer cutting through European partners. Natural role for CNX
+Vinyl: stamper supplier while the in-house galvanics line is being built,
+then overflow capacity and a quality benchmark. Watch-outs: a small
+single-site operation, no documented Asia customers yet, and two
+international freight legs per job.
+
+## Fully automated presses: Pheenix Alpha (Sweden)
+
+[Pheenix Alpha](https://www.pheenixalpha.com/) (Solna) is the direct
+successor of Toolex Alpha, founded in 2006 by former Toolex staff. Their
+**AD12** is the continuation of the original 1977 fully automatic press:
+24 to 26 second cycle (roughly 140 records per hour), one operator running
+up to four presses, 7"/10"/12" up to 200 g, about 3.25 m² per press. Each
+press has 25 kW installed electrical power and consumes per cycle roughly
+1.2 kg of steam, 12.5 L of chilled water in a closed platen circuit
+(compatible with the zero-discharge goal), and compressed air. Deepgrooves
+in the Netherlands runs its AD12 steam from wood-fired biomass boilers, a
+working precedent for the renewable-steam question. Pheenix also offers the
+**AD12 Manual**, a semi-automatic press on the same platform aimed at
+splatter and short runs, which makes them a possible single-vendor
+alternative covering both halves of the 50/50 fleet; that option should be
+weighed against the Newbilt plan on price, spares, and support.