Final integration step. The MazeNET page shell is now a thinner
composition of the existing module-level hooks (useMazeApi,
useMazeInteraction, useTopologyEditor, useTopologyStream,
useLayoutPersistor) PLUS the three new ones from this phase
(useFullscreenMode, useTopologyData, useMazeContextMenu).
- MazeNET.tsx: 980 -> 715 LOC. The fullscreen + body-class
effects, the topology hydrate / SSE stream / deploy /
flashErr plumbing, and the four context-menu builders are
all gone from the shell.
- Page still owns the per-operation editor callbacks
(removeNet/Node/Edge, duplicateNode, addServiceToNode, etc.)
because they need direct access to setNodes/setEdges/setNets
for optimistic patches alongside their REST calls — those
setters are exposed by useTopologyData for that reason.
Coverage floor bumped after the phase:
lines 17 -> 19
functions 15 -> 17
branches 13 -> 14
statements 16 -> 18
Phase 5 final scoreboard: 37 test files, 172 tests, all green.
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