hold the flood/encounter and mechanism placement inventory.md ..
@@ 169,8 169,8 @@
| Interface | Count boundary and concrete obligation |
|---|---|
| **R02/R03 service board/rack** | Selected-opening objective fixture, not P01. The board is the source, Fork passes compatible triggers, fixed conduit reaches rack/shutter, invalid sockets refuse, and retrieval remains possible from R02. Its stages are fully exercised in E01. |
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| **R26 Decontamination transformer** | Fixed room service circuit, not a sixth family or P14. Forward A-in→B-out and reverse B-in→A-out are locally observable; final mode persists; Nozzle removal affects only air knife. Its early evidence is required by the candidate connection sequence. |
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| **R33 Imaging exchanger** | Fixed A-in→R-out service transformation, no reversible mode and no new major slot. Input/output arrows and a dead-load test distinguish it from a static bridge. It requires current diagnostic power; walking joins remain useful without signal. |
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| **R26 Decontamination transformer** | Fixed room service circuit, not a sixth family or P14. Forward A-in→B-out and reverse B-in→A-out are locally observable; its selector and final detent work without diagnostic power, while an actual pulse requires current power/input. Final mode persists; Nozzle removal affects only air knife. [Mechanical Interfaces And Opening Quantities](/Hold%20The%20Flood/Mechanical%20Interfaces%20And%20Opening%20Quantities) owns this bounded interface. |
+
| **R33 Imaging exchanger** | Fixed **A-in→R-out** service transformation, no reversible mode and no new major slot. Input/output arrows and a dead-load test distinguish it from a static bridge. An actual pulse requires current diagnostic power; walking joins remain useful without signal. [Mechanical Interfaces And Opening Quantities](/Hold%20The%20Flood/Mechanical%20Interfaces%20And%20Opening%20Quantities) owns this bounded interface. |
| **Ordinary faces, latches and releases** | All R01–R40 remain eligible under the conditional whole-station contract. Each attempted seam names two stable faces, previews compatible direction, refuses safely before commit or persists as one join. Every critical release is network-side and reachable; ordinary joins are not capped at 13. Exact face distribution and complete assemblability remain unproven successor work. |
| **Doors, drawers, capture positions and part cradles** | Their physical states belong to rooms/objects/evidence, not mechanism-family counts. They still need warning, commit and recovery authoring: a door cannot hide its only release, a drawer capture takes world time, a removed part leaves its named function unavailable, and no observation operates another room. |
