There is no write node. What arrives at /api/write is a SIGNAL; a node is an
OUTPUT of realization, never an INPUT to it. route_write asserted otherwise in
one line:
let manifold: String = "[" + body + "]" // the body IS a valid manifold node object
A request body is not a manifold, and that assertion is the whole defect. It is
why every written signal landed as one flat node with zero edges, measured on a
clone: {"inserted":1,"nodes_added":1,"edges_added":0} and GET /api/neighbors on
the new id returning [].
PR #155 corrected transduce(signal, modality) to return a Manifold — components
plus relations — but touched only ingest, the runtime and its tests. Nothing
downstream called it: grep 'transduce|realize|Manifold|decompos' over
engram/src/server.el returned exactly one line, a comment. The primitive was
fixed and the engram's entire HTTP surface never reached for it.
This wires the intake seam to the primitive that already exists. It decomposes
nothing itself and must never: transduce dispatches through the dlsym realizer
registry, so adding a modality is registering a realizer, not editing this file
and not patching the runtime. intake_signal only carries what the primitive
returns into the store — components become nodes carrying their OWN geometry
via node_attach_geometry, relations become edges at the weight the realizer
stated, and manifold_member still wires the set into one connected sub-graph
exactly as insert_manifold_json already did.
Built general rather than special-cased: five of the six intake doors (write,
supersede, nodes, knowledge/capture, state-events) are the same hand-written
"content -> engram_node_full -> one flat node", differing only in the
node_type/tier/tags they hardcode. Those are parameters here so each door can
move onto this one function. Only /api/write rides it in this pass.
When no organ is registered the signal is stored flat exactly as before, but
the response now says so ("realized":false,"organ":false,"components":0).
Silent flattening was the real defect — a caller could not tell "nothing
decomposed me" from "I decomposed into one component". el_runtime.c draws the
same line between an absent organ and a broken one, for the same reason.
No realizer is authored here and none is registered, so production behaviour is
unchanged. The mechanism is what landed.
bigmerge