[sookyboo]

Summary

• Add float and amph movement policies for WC3 pathfinding, including water-aware routes and amphibious traversal across land or water.
• Apply matching ground, sea, and air collision domains to movement and command-time obstacle checks.
• Cover pathing textures, bridges, spawn placement, and movement regressions with tests.
• Document the movement contract and routing behavior.

Validation

• Focused WC3 pathfinding tests passed in classic and TFT modes.
• make test passed: 2,306 tests, 46,428 assertions.
• git diff --check passed.