diff --git a/CLAUDE.md b/CLAUDE.md
index 168bcd2..e6f196d 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -29,13 +29,14 @@ abbreviations. Quick reference:
 Full rule + serving recipe for `src/editor/`: `.claude/rules/node-architecture.md`.
 
 **Legacy drift to rename when the file is next touched** (do not introduce new
-mismatches in the meantime):
+mismatches in the meantime). When renaming, **keep the Node-RED type id
+lowercase** (`registerType('mgc', …)` etc.) so deployed flows continue to load —
+only the file paths change. `dashboardAPI` was migrated this way on 2026-05-19.
 
 | Node | Currently | Should be |
 |---|---|---|
 | `machineGroupControl` | `mgc.{js,html}` | `machineGroupControl.{js,html}` |
 | `valveGroupControl` | `vgc.{js,html}` | `valveGroupControl.{js,html}` |
-| `dashboardAPI` | `dashboardapi.{js,html}` | `dashboardAPI.{js,html}` |
 
 ## Key Shared Library: `nodes/generalFunctions/`
 - `logger` - structured logging (use this, NOT console.log)
diff --git a/CONTRACTS.md b/CONTRACTS.md
index fe92552..90d5d87 100644
--- a/CONTRACTS.md
+++ b/CONTRACTS.md
@@ -126,6 +126,11 @@ idempotent setters, `cmd.<verb>` for triggers, `evt.<noun>` for events.
 Tests live in `test/{basic,integration,edge}/`. Submodule commits go in the
 submodule first, then the superproject bumps the pin.
 
+**Canonical units** (Pa / m³/s / W / K) apply to every node **except
+`reactor`**, which deliberately uses ASM-kinetics literature units
+(mg/L, m³/d, °C, 1/h) — documented in `nodes/reactor/CONTRACT.md`.
+Conversions happen at the parent/child boundary via `UnitPolicy`.
+
 ---
 
 ## 7. Verification checklist before merge
diff --git a/nodes/dashboardAPI b/nodes/dashboardAPI
index 0b857ef..e04c4a1 160000
--- a/nodes/dashboardAPI
+++ b/nodes/dashboardAPI
@@ -1 +1 @@
-Subproject commit 0b857ef444f68f3ad3861014e6042a9637eb85c3
+Subproject commit e04c4a113288192bf4388a8b6da1df7344ae1318
diff --git a/nodes/reactor b/nodes/reactor
index 346a3ce..75d0413 160000
--- a/nodes/reactor
+++ b/nodes/reactor
@@ -1 +1 @@
-Subproject commit 346a3ce2ab5e68e16d88dbe7df89edf90ad28eb4
+Subproject commit 75d04139947a5dd628cc37536091997c73545d25
diff --git a/nodes/valve b/nodes/valve
index 7acd6c2..167b102 160000
--- a/nodes/valve
+++ b/nodes/valve
@@ -1 +1 @@
-Subproject commit 7acd6c2ce0ea318f60bcc2d778c359b49a5bb238
+Subproject commit 167b1026f175f2f5f655ffcfe6ff503fe49a65db