Add placeholder move history

docs/circuit-list-editor-api.md

@@ -26,18 +26,22 @@ concurrency checks.
 The public dispatcher currently supports `circuit.update`, `circuit.insert`,
 `circuit.delete`, `circuit-device-row.update`,
 `circuit-device-row.insert`, `circuit-device-row.delete` and
-`circuit-device-row.move`, all with schema version `1`. Other command types are
-rejected. Insert commands contain the complete entity or circuit block with
-stable ids; delete commands include the expected parent identity. Circuit
-snapshots contain zero, one or multiple complete device rows. Move commands
-contain each row's expected and target circuit plus its exact expected and
-target sort order. This makes deletion and moves undoable without generating
-replacement identities or renumbering circuits. The editor does not consume
-these endpoints yet.
+`circuit-device-row.move` plus
+`circuit-device-row.move-with-new-circuit`, all with schema version `1`. Other
+command types are rejected. Insert commands contain the complete entity or
+circuit block with stable ids; delete commands include the expected parent
+identity. Circuit snapshots contain zero, one or multiple complete device
+rows. Move commands contain each row's expected and target circuit plus its
+exact expected and target sort order. This makes deletion and moves undoable
+without generating replacement identities or renumbering circuits. The editor
+does not consume these endpoints yet.
 
-`circuit-device-row.move` currently targets existing circuits in the same
-circuit list. Creating a new target circuit while moving rows is not yet part
-of the persistent command API.
+`circuit-device-row.move` targets existing circuits in the same circuit list.
+`circuit-device-row.move-with-new-circuit` atomically creates exactly one
+explicitly identified empty target circuit and moves one or multiple existing
+rows into it. Its inverse restores every row to its exact prior position and
+deletes the generated circuit only if its fields and complete row set still
+match the recorded state.
 
 Example:
 

docs/current-architecture.md

@@ -91,9 +91,13 @@ sichtbare Historie bleibt daher sitzungslokal.
 zwischen vorhandenen Stromkreisen derselben Liste. Erwartete und neue
 Stromkreis-/Sortierpositionen machen Forward und Inverse deterministisch;
 Reservewerte aller beteiligten Stromkreise werden atomar neu abgeleitet. Das
-Verschieben auf einen freien Platz mit gleichzeitiger Stromkreiserzeugung sowie
-Circuit-Sortierung, Neunummerierung und Synchronisierung müssen vor der
-Frontend-Umstellung noch als persistente Commands modelliert werden.
+Kompositkommando `circuit-device-row.move-with-new-circuit` bildet auch das
+Verschieben auf einen freien Platz ab: Ein Zielstromkreis mit stabiler UUID und
+BMK wird zusammen mit allen Zeilenbewegungen erzeugt. Undo stellt die exakten
+Quellpositionen wieder her und löscht den erzeugten Stromkreis nur, wenn dessen
+Felder und vollständiger Zeilenbestand unverändert sind. Circuit-Sortierung,
+Neunummerierung und Synchronisierung müssen vor der Frontend-Umstellung noch
+als persistente Commands modelliert werden.
 
 ## Projektgeräte
 

docs/project-history-and-external-model-architecture.md

@@ -182,13 +182,17 @@ Completed foundation:
 - `circuit-device-row.move` stores exact expected and target circuit/sort
   positions for one or multiple rows, recalculates all affected reserve states
   and reconstructs a deterministic inverse across multiple source circuits
+- `circuit-device-row.move-with-new-circuit` additionally records the complete
+  empty target-circuit snapshot; forward creation and all row moves share one
+  transaction, while undo restores the source positions and deletes only an
+  unchanged generated target
 
 Remaining constraints before completing persistent history:
 
 - extend the concrete project-scoped command union and executors beyond the
   Circuit field/insert/delete and CircuitDeviceRow
-  field/insert/delete/existing-target-move slices; the generic versioned
-  command envelope is complete
+  field/insert/delete/move slices; the generic versioned command envelope is
+  complete
 - route the remaining structural, synchronization and destructive domain
   writes through the shared command, revision and stack transaction boundary
 - replace the session-local frontend command stack only after server-side

docs/spec/07-implementation-phases-todo.md

@@ -398,6 +398,9 @@ Implemented foundation:
 - typed CircuitDeviceRow move commands persist exact old/new circuit and sort
   positions for single or multi-row moves between existing circuits and derive
   affected reserve states in the same transaction
+- placeholder-target moves persist one complete generated circuit identity and
+  all row positions atomically; undo restores every source and removes only an
+  unchanged generated circuit, without renumbering
 - revision metadata, change-set payloads and the project counter are committed
   in one SQLite transaction
 - a stale expected revision produces no history writes