fix(physics): restore relative slingshot response
A full comparison against the 175-record ledger found stale guessed coordinates in both relative slingshot chains. Circles 56/58/71/73 and lines 57/59/72/74 were displaced by up to 70 pixels. The corrected record-57 geometry then exposed a second issue: readable C and Rust had collapsed two independent binary response projections into one. Transcribe the accumulated initializer coordinates exactly. Use the swapped-component projection only to sign the current tangential response `abs(normal_velocity) * response_tangent`, and use the standard dot product for `spin_delta * 0.02 * response_tangent`. Correct the readable C evidence and Rust together, extend live tracing with the six-byte spin field, and seal the stopped-Wine transition from `(75530,354765)/(3000,15)` to `(77369,356597)/(1839,1832)` with Real48 spin `-5.28` in both harnesses. Test Plan: - stopped Wine 11.15 record-57 injection/trace -- matched position, velocity, and spin - `cargo test --workspace --all-targets --all-features` -- 123 passed - `cargo clippy --workspace --all-targets --all-features -- -D warnings` -- passed - `bash original/tools/test_reconstructed_c.sh` -- passed - `python3 original/tools/audit_reconstruction.py --require-complete` -- passed with zero incomplete or unclassified units - `python3 -m py_compile original/tools/trace_original_state.py original/tools/inject_original_state.py` -- passed - `rumdl check --flavor commonmark RECONSTRUCTION.md CHANGELOG.md` -- passed - `git diff --cached --check` -- passed
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+44
-12
@@ -66,10 +66,10 @@ impl TableSegment {
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96..=98 => 96,
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99..=101 => 99,
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102..=104 => 102,
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109..=111 => 109,
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112..=114 => 112,
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115..=117 => 115,
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118..=120 => 118,
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109 => 109,
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112 => 112,
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115 => 115,
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118 => 118,
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_ => 0,
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};
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let (response_auxiliary, response_kick) = match id {
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@@ -210,8 +210,8 @@ pub const WALLS: &[TableSegment] = &[
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TableSegment::new(49, Vec2::new(33.0, 231.0), Vec2::new(10.0, 300.0)),
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TableSegment::new(50, Vec2::new(12.0, 261.0), Vec2::new(12.0, 407.0)),
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TableSegment::new(55, Vec2::new(59.0, 287.0), Vec2::new(107.0, 359.0)),
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TableSegment::new(57, Vec2::new(49.0, 294.0), Vec2::new(2.0, 268.0)),
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TableSegment::new(59, Vec2::new(44.0, 287.0), Vec2::new(44.0, 242.0)),
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TableSegment::new(57, Vec2::new(97.0, 366.0), Vec2::new(50.0, 340.0)),
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TableSegment::new(59, Vec2::new(45.0, 333.0), Vec2::new(45.0, 288.0)),
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TableSegment::new(61, Vec2::new(37.0, 292.0), Vec2::new(37.0, 347.0)),
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TableSegment::new(62, Vec2::new(37.0, 347.0), Vec2::new(110.0, 384.0)),
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TableSegment::new(63, Vec2::new(92.0, 408.0), Vec2::new(19.0, 385.0)),
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@@ -219,8 +219,8 @@ pub const WALLS: &[TableSegment] = &[
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TableSegment::new(66, Vec2::new(112.0, 386.0), Vec2::new(141.0, 413.0)),
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TableSegment::new(68, Vec2::new(130.0, 427.0), Vec2::new(97.0, 411.0)),
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TableSegment::new(70, Vec2::new(267.0, 292.0), Vec2::new(267.0, 337.0)),
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TableSegment::new(72, Vec2::new(261.0, 299.0), Vec2::new(214.0, 321.0)),
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TableSegment::new(74, Vec2::new(252.0, 289.0), Vec2::new(302.0, 218.0)),
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TableSegment::new(72, Vec2::new(261.0, 344.0), Vec2::new(214.0, 366.0)),
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TableSegment::new(74, Vec2::new(205.0, 356.0), Vec2::new(255.0, 285.0)),
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TableSegment::new(76, Vec2::new(292.0, 291.0), Vec2::new(292.0, 385.0)),
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TableSegment::new(77, Vec2::new(292.0, 385.0), Vec2::new(221.0, 408.0)),
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TableSegment::new(78, Vec2::new(205.0, 384.0), Vec2::new(275.0, 347.0)),
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@@ -291,14 +291,14 @@ pub const PASSIVE_CIRCLES: &[StaticCircle] = &[
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StaticCircle::new(42, Vec2::new(38.0, 183.0), 8.0),
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StaticCircle::new(48, Vec2::new(25.0, 231.0), 8.0),
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StaticCircle::new(54, Vec2::new(53.0, 292.0), 8.0),
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StaticCircle::new(56, Vec2::new(50.0, 287.0), 8.0),
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StaticCircle::new(58, Vec2::new(52.0, 287.0), 8.0),
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StaticCircle::new(56, Vec2::new(98.0, 359.0), 8.0),
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StaticCircle::new(58, Vec2::new(53.0, 333.0), 8.0),
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StaticCircle::new(60, Vec2::new(29.0, 294.0), 10.0),
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StaticCircle::new(65, Vec2::new(103.0, 397.0), 15.0),
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StaticCircle::new(67, Vec2::new(134.0, 419.0), 9.0),
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StaticCircle::new(69, Vec2::new(260.0, 292.0), 8.0),
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StaticCircle::new(71, Vec2::new(260.0, 291.0), 8.0),
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StaticCircle::new(73, Vec2::new(261.0, 291.0), 8.0),
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StaticCircle::new(71, Vec2::new(260.0, 336.0), 8.0),
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StaticCircle::new(73, Vec2::new(214.0, 358.0), 8.0),
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StaticCircle::new(75, Vec2::new(284.0, 292.0), 9.0),
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StaticCircle::new(80, Vec2::new(210.0, 397.0), 15.0),
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StaticCircle::new(82, Vec2::new(179.0, 419.0), 9.0),
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@@ -411,6 +411,38 @@ mod tests {
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assert_eq!(shooter_wall.segment.end, Vec2::new(328.0, 58.0));
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}
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#[test]
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fn relative_slingshot_chains_match_the_initialized_record_ledger() {
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for (id, expected_start, expected_end) in [
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(55, Vec2::new(59.0, 287.0), Vec2::new(107.0, 359.0)),
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(57, Vec2::new(97.0, 366.0), Vec2::new(50.0, 340.0)),
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(59, Vec2::new(45.0, 333.0), Vec2::new(45.0, 288.0)),
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(70, Vec2::new(267.0, 292.0), Vec2::new(267.0, 337.0)),
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(72, Vec2::new(261.0, 344.0), Vec2::new(214.0, 366.0)),
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(74, Vec2::new(205.0, 356.0), Vec2::new(255.0, 285.0)),
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] {
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let wall = WALLS
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.iter()
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.find(|wall| wall.id == id)
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.expect("relative line record must be present");
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assert_eq!((wall.segment.start, wall.segment.end), (expected_start, expected_end));
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}
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for (id, expected_center) in [
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(54, Vec2::new(53.0, 292.0)),
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(56, Vec2::new(98.0, 359.0)),
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(58, Vec2::new(53.0, 333.0)),
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(69, Vec2::new(260.0, 292.0)),
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(71, Vec2::new(260.0, 336.0)),
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(73, Vec2::new(214.0, 358.0)),
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] {
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let circle = PASSIVE_CIRCLES
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.iter()
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.find(|circle| circle.id == id)
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.expect("relative circle record must be present");
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assert_eq!(circle.center, expected_center);
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}
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}
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#[test]
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fn every_recovered_wall_has_its_registered_one_sided_contact() {
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for wall in WALLS {
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