docs(fulgora): implementation plan for Voronoi primitive + elevation preview (#27) - #158
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…preview (#27) Twelve tasks off the merged spec. Tasks 2-6 are the reverse-engineering ladder, one task per rung, and they deliberately carry NO fitted constants - those are the measurements. Each instead names its candidate set, its discriminators, its falsification criterion and its disassembly backstop, plus a vacuity guard that must fail when the answer is deliberately broken. Task 5's guard is the one that matters most: forcing the search range back to the pre-2.1.7 3x3 must fail a fixture case, and if it does not, the probe positions are in the wrong place and need regenerating before the task can be called done. Tasks 7-9 transcribe the chain, with Task 9 naming the four nodes that look central but are unreachable, and the two that look deferred but are not. Task 10 checks the land/ocean argmax against the game's own get_tile and reports offending coordinates rather than a bare count.
This was referenced Aug 5, 2026
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Twelve-task implementation plan off the spec merged in #157. Docs only.
Plan:
docs/superpowers/plans/2026-08-05-fulgora-voronoi-elevation-v1.mdShape
buildVoronoiExpressionoracle probe buildercell_idhash, point offsets, search range)makeVoronoiwith the shared per-cell point cacheget_tileWhy Tasks 2-5 contain no fitted constants
They are the measurements. Writing a speculative hash or normalisation divisor
into the plan would produce exactly the failure the spec exists to prevent - a
port and a fixture agreeing with each other while both disagree with the game.
Each RE task instead specifies the probe code, the capture command, the gating
test, the candidate set to try, the discriminators between candidates, the
falsification criterion, and the disassembly backstop if fitting stalls.
Vacuity guards
Every RE task carries one - a deliberately wrong variant that must break the
test. Task 5's is the sharpest: forcing the search range back to the pre-2.1.7
3x3 must fail a fixture case, and if it does not, the probe positions are not in
the corners where the two behaviours differ and need regenerating before the
task counts as done. A guard that cannot see the regression it exists to catch
is worse than none.
Open questions now have owners
175 - slider_to_linear(...)neednot be integral) -> Task 7 Step 2. If the game disagrees with the test, the
implementation changes, not the expectation.
distance_typemove points? -> Task 4 Step 2. Load-bearing: Task 6'sshared point cache depends on it, and a refutation changes Task 6's interface.
|scrap_medium + dunes| ~ 0thin spot -> Task 10 Step 5.Execution
Subagent-driven, with a hard rule that any of Tasks 2-5 returning "fitted,
mostly" is rejected rather than merged.
🤖 Generated with Claude Code
https://claude.ai/code/session_01QZvNS2H4cbaZk46ybA7hbj