fix(physics): apply predicted record broadphase

Use unresolved type-one/type-two candidates in the production scan and gate detection on the original predicted-position bounds with the registered five-pixel ball margin. This restores the 1000:9b69 broadphase, including overshoot rejection, while keeping late response resolution ready for ordered type-three/type-four integration.

Test Plan:
- cargo test --all-targets
- cargo clippy --all-targets --all-features -- -D warnings
- rumdl check CHANGELOG.md RECONSTRUCTION.md README.md
- git diff --check

tdkpin-rs/src/original_physics.rs

@@ -373,6 +373,7 @@ pub fn line_collision_candidate(
     })
 }
 
+#[cfg(test)]
 pub fn line_collision_response(
     old_position: MilliVec,
     velocity: MilliVec,
@@ -451,6 +452,7 @@ pub fn circle_collision_candidate(
     })
 }
 
+#[cfg(test)]
 pub fn circle_collision_response(
     old_position: MilliVec,
     velocity: MilliVec,