Add Pheenix galvanics flyers and Sibert stamper prep specs

docs/equipment/pheenix-alpha/: the four Pheenix Alpha electroforming flyers
(2024: PASU silvering, PPPU pre-plating, PDPU dual-cell plating, PMPB
passivation bench), renamed from their download hashes.
docs/equipment/sibert/: the VSP, VSF and VSC technical specifications
(2021), plus Sibert's 2008-09 optical-disc SPS literature and the 2008
Blu-ray stamper characteristics paper in sps-optical-disc-2009/. Two
byte-identical duplicates in the download were dropped.

New docs/equipment/galvanics.md, the metal-path counterpart to
pressing-line.md: datasheet tables for both ranges and what they change.
Pheenix is a second turnkey galvanics vendor next to Digital Matrix and
can quote lacquer-to-record as one vendor; neither range includes water
treatment. Utilities from the sheets (~27 kVA connected per line, DI water,
12-20 C cooling water, extraction sizes), ~5.6 m2 of footprint, and a cell
count estimate (one PDPU at the low end, two at the high end). The Sibert
machines are single-phase, 200/250/600 kg on castors, centre manually and
list no data interface; the VSC locates on the punched hole; the finisher's
water carries nickel. Weights, cycle times, prices and mould fit are listed
as quote questions.

Backlinks and small updates: README (bullet, layout tree, vendor list),
roadmap items 6 and 23, vendor landscape, supplier map, exhibitor briefing
(on-file notes, Sibert three-phase question answered), digital factory
(Pheenix PLC data, Sibert data question, RFQ clause 5), quality automation
(hardness on the centre slug, BD paper as the acceptance-spec model),
sustainability (finisher water), total investment block label (numbers
unchanged), scale (galvanics feeder note), crane weight table, process
flow, pressing-line stamper-fit question, plant page detail lines.

docs/finance/total-investment.md

@@ -18,9 +18,9 @@ July 2026; the underlying THB estimates are unchanged, because EUR/THB at
 |---|---|---|---|
 | Newbilt semi-auto line, full Duplex | 350k – 370k | 11.5M – 12.2M | 2024 quote EUR 200,500 (~USD 232k) + quoted 2nd press/extruder ~USD 115k; expired, needs re-quote |
 | 2 automated presses (Pheenix AD12) | 580k – 920k | 19.1M – 30.5M | unverified ~USD 340k/press indicative + delivery and commissioning |
-| Galvanics line (Digital Matrix) | 320k – 650k | 10.7M – 21.4M | six-figure-USD turnkey inference from vendor research |
+| Galvanics line (Digital Matrix or Pheenix Alpha) | 320k – 650k | 10.7M – 21.4M | six-figure-USD turnkey inference from vendor research; the Pheenix range (2024 flyers, [galvanics and stamper prep](../equipment/galvanics.md)) is unpriced too |
 | Zero-discharge water treatment (ZLD) | 90k – 240k | 3.0M – 8.0M | utilities CSV option row |
-| Stamper prep (Sibert VSP, VSF, VSC) | 60k – 170k | 1.9M – 5.7M | estimate, pricing unpublished |
+| Stamper prep (Sibert VSP, VSF, VSC) | 60k – 170k | 1.9M – 5.7M | estimate, pricing unpublished (2021 specifications on file) |
 | Mastering and cutting room (Agnew or Sillitoe lathe system, cutter amps, console, room treatment) | 290k – 580k | 9.6M – 19.1M | estimate, bespoke market; the Sillitoe SDMS lists at USD 125k for lathe, head, amplifier and automation (ex tax, shipping), which makes the low end reachable; band kept until both quotes exist |
 | Metrology and QC stack (confocal, profiler, XRF, inline vision, audio station) | 350k – 810k | 11.5M – 26.7M | estimate, phaseable |
 | Utilities, solar, HVAC, racking baseline | 730k – 1,270k | 24.0M – 41.6M | reviewed [utilities CSV](utilities-investment.csv), THB-native |