release: palette redesign + CoreSync scaffolding + dashboardAPI MODULE_NOT_FOUND fix

PALETTE REDESIGN (2026-05-21)
  Sidebar swatches switched from S88 level (all blue) to domain-hue per node.
  Family hue = function (rotating=orange, valves=teal, biology=green/olive,
  sampling=violet, sensor=amber, aeration=sky-blue, infrastructure=slate);
  within a family, darker = higher S88 / "more controller-ish."
  Editor-group rectangles in flow.json still follow S88 — only the
  registerType colour changed.

  Submodule bumps for palette: rotatingMachine, machineGroupControl,
  pumpingStation, valve, valveGroupControl, reactor, settler, monster,
  measurement, diffuser, dashboardAPI.

  Docs touched:
    - CLAUDE.md: palette swatch vs. editor-group bullets split out.
    - .claude/rules/node-red-flow-layout.md: new §10.0 introduces the two
      color systems, full 12-row palette table, and explicit warning not to
      mix the two hexes.
    - .claude/refactor/MODULE_SPLIT.md: per-node headers annotated with
      both `group #XXX` and `palette #XXX`.
    - .claude/refactor/WIKI_HOME_TEMPLATE.md + WIKI_TEMPLATE.md: clarify
      Mermaid classDefs visualize hierarchy, not palette swatches.
    - .claude/refactor/OPEN_QUESTIONS.md: dated decision entry with
      rationale, file list, and follow-ups.

CORESYNC SUBMODULE (new)
  nodes/coresync added pointing at https://gitea.wbd-rd.nl/RnD/coresync.
  FROST/SensorThings handoff path — first version forwards FROST-ready HTTP
  request messages on the dbase output; a downstream http-request node
  performs the POST and feeds responses back on msg.topic = "frost.response".
  Lazy stream resolver, latest-wins queue (keep first + latest, drop middle),
  knot-emit on slope change, provenance preserved in Observation parameters.

    - .gitmodules: add nodes/coresync entry.
    - package.json: register coresync as a Node-RED node.
    - generalFunctions bump: new frostFormatter + 4 node config schemas
      expose the dbase format option.
    - measurement bump: "frost" option added to dbaseOutputFormat dropdown
      (plus the in-flight data.measurement unit-handling work).
    - machineGroupControl bump: small editor compact-fields tweak alongside
      the palette change.
    - CORESYNC_FROST_INTERVIEW_HANDOFF.md added at root with interview state
      (Q20 open: slope angle vs. relative delta comparison).

DASHBOARDAPI MODULE_NOT_FOUND FIX
  package.json: dashboardapi entry path corrected to
  nodes/dashboardAPI/dashboardAPI.js. Commit e04c4a1 renamed the files to
  camelCase but missed package.json; on case-sensitive filesystems
  (Linux/Docker, where the tarball lands) the require resolved to nothing
  and the node showed MODULE_NOT_FOUND in the Node-RED palette.

MISC CLEANUP
  - examples/README.md + examples/pumpingstation-complete-example/ removal
    (build_flow.py, flow.json, README.md superseded by per-node examples).
  - jest.config.js: in-progress tweak.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.claude/refactor/MODULE_SPLIT.md

@@ -29,7 +29,7 @@ nodes/<name>/
     edge/
 ```
 
-## pumpingStation (Process Cell — L5, `#0c99d9`)
+## pumpingStation (Process Cell — L5, group `#0c99d9` · palette `#8B4513`)
 
 ```
 src/
@@ -61,7 +61,7 @@ examples/
   standalone-demo.js                    # extracted from the bottom of specificClass.js
 ```
 
-## measurement (Control Module — L2, `#a9daee`)
+## measurement (Control Module — L2, group `#a9daee` · palette `#D4A02E`)
 
 The good news: `Channel.js` already exists and is pure. Most of the
 analog mode in `specificClass.js` is duplication that vanishes when the
@@ -90,7 +90,7 @@ src/
 `generalFunctions/src/stats/`. Both `Channel.static helpers` and the
 calibrator use them.
 
-## machineGroupControl (Unit — L4, `#50a8d9`)
+## machineGroupControl (Unit — L4, group `#50a8d9` · palette `#B5651D`)
 
 ```
 src/
@@ -117,7 +117,7 @@ src/
     handlers.js
 ```
 
-## rotatingMachine (Equipment Module — L3, `#86bbdd`)
+## rotatingMachine (Equipment Module — L3, group `#86bbdd` · palette `#E89B3A`)
 
 The biggest specificClass (1760 lines). The split mirrors the natural
 boundaries the existing comments suggest.
@@ -166,6 +166,8 @@ src/
 | `diffuser` | Equipment Module. Aeration controller. Likely small. |
 | `dashboardAPI` | Utility. InfluxDB endpoints. Likely no `BaseDomain` — it's a passive HTTP server. |
 
+Palette swatches for these (sidebar): `valve` `#3CAEA3`, `valveGroupControl` `#2A8A82`, `reactor` `#6FAE5F`, `settler` `#8FAD3F`, `monster` `#9C5BB0`, `diffuser` `#6EB5E5`, `dashboardAPI` `#7A8BA3`. Group-box hex still follows S88 level (see `.claude/rules/node-red-flow-layout.md` §10.0).
+
 The "skeleton" refactor for these is just:
 - Convert `nodeClass.js` to extend `BaseNodeAdapter`.
 - Convert `specificClass.js` to extend `BaseDomain`.

.claude/refactor/OPEN_QUESTIONS.md

@@ -741,3 +741,25 @@ work can decide whether to preserve original casing globally.
 **Decision needed by:** Phase 7 (topic-name + schema standardisation) —
 once enums standardise on a canonical casing, drop the `.toUpperCase()`
 guard here.
+
+---
+
+## 2026-05-21 — Palette swatches switched to domain-hue (resolved)
+
+**Context:** Node-RED sidebar showed every EVOLV node in a shade of blue because palette colours were set from the S88 level (Area / ProcessCell / Unit / Equipment / ControlModule). Operators reported difficulty picking the right node by eye.
+
+**Decision:** Split the colour systems. The **palette swatch** in each `<node>.html` (`RED.nodes.registerType({ color })`) becomes domain-hue per node; family hue = function (rotating = orange, valves = teal, biology = green/olive, sampling = violet, sensor = amber, infrastructure = slate, aeration = sky blue). Within a family, darker = higher S88 (e.g. RM → MGC → pumpingStation darkens the orange). **Editor-group rectangles** in `flow.json` (`style.fill`) continue to follow S88 level — the hierarchy story stays visible in flow diagrams. Two systems, two purposes.
+
+**Final palette table:** see `.claude/rules/node-red-flow-layout.md` §10.0.
+
+**Why split rather than rework S88:** S88 hierarchy is genuinely useful for flow-diagram readability (it's the whole point of group boxes). Throwing it out to fix palette identifiability would have cost the hierarchy signal. Two systems = both problems solved.
+
+**Files touched (palette):** the 12 `nodes/<n>/<n>.html` files, one line each.
+
+**Files touched (docs):** `CLAUDE.md` (L52 split into palette + group lines); `.claude/rules/node-red-flow-layout.md` (new §10.0); `.claude/refactor/MODULE_SPLIT.md` (per-node headers annotated with both hexes); `.claude/refactor/WIKI_HOME_TEMPLATE.md` + `WIKI_TEMPLATE.md` (clarifying sentence — Mermaid classDefs are hierarchy, not palette); this entry.
+
+**Unchanged on purpose:** 32 submodule wiki/CLAUDE.md files that name S88 hexes — they describe hierarchy diagrams or editor-group boxes, both of which still use S88. Spot-checked `rotatingMachine` + `reactor` wikis to confirm.
+
+**Open follow-ups:**
+- If `coresync` ends up classified as a process-data node rather than infrastructure, repick a non-slate hue.
+- Consider a `tools/palette-lint/` check that diffs declared palette hexes vs. this table to catch future drift (low priority).

.claude/refactor/WIKI_HOME_TEMPLATE.md

@@ -62,7 +62,7 @@ flowchart TB
     classDef neutral fill:#dddddd,color:#000
 ~~~
 
-S88 colours: Process Cell `#0c99d9`, Unit `#50a8d9`, Equipment `#86bbdd`, Control Module `#a9daee`. Solid arrow = parent/child relationship. Dashed arrow = data flow (`measurement` feeds many node types).
+S88 colours (used here for **hierarchy visualization only** — distinct from the node-palette swatches in the Node-RED sidebar, which are domain-hue; see `.claude/rules/node-red-flow-layout.md` §10.0): Process Cell `#0c99d9`, Unit `#50a8d9`, Equipment `#86bbdd`, Control Module `#a9daee`. Solid arrow = parent/child relationship. Dashed arrow = data flow (`measurement` feeds many node types).
 
 ## Live nodes
 

.claude/refactor/WIKI_TEMPLATE.md

@@ -75,7 +75,7 @@ flowchart LR
     classDef ctrl fill:#a9daee,color:#000
 ~~~
 
-S88 colours are mandatory. Map: Process Cell `#0c99d9`, Unit `#50a8d9`, Equipment `#86bbdd`, Control Module `#a9daee`. Source of truth: `.claude/rules/node-red-flow-layout.md`.
+S88 colours are mandatory **inside hierarchy diagrams** (Mermaid `classDef`, flow.json group `style.fill`). They are NOT the node-palette swatch hexes shown in the Node-RED sidebar — those are domain-hue per node. Map (hierarchy use): Process Cell `#0c99d9`, Unit `#50a8d9`, Equipment `#86bbdd`, Control Module `#a9daee`. Source of truth: `.claude/rules/node-red-flow-layout.md` (§10.0 for palette, §10.1 for groups/lanes).
 
 ## 3. Capability matrix