Fence Placement Helper improves long fence placement without replacing any vanilla construction controls.

Features:
- Live fence heading in degrees.
- Straight-line reference follows an existing/parallel-snapped fence when available.
- World 0° / 90° mode is the default and aligns fences to the nearest world 0/90/180/270° heading.
- Local mode follows an existing fence when possible or locks to your own chosen heading.
- World 45° mode uses the nearest 0/45/90/135/...° world heading.
- Live deviation and lateral drift from that local reference.
- White straight reference guide and visible section markers while placing.
- Optional snapping directly onto the white straight-line guide.
- At a new connected corner, Local mode automatically lets you choose straight continuation or an exact 90° left/right turn.
- Optional automatic long-fence sections: OFF / 10 m / 25 m / 50 m / 100 m.
- Sections remain visually continuous; FS25 suppresses duplicate shared posts.
- Every section is a native FS25 fence segment, so the normal demolition tool can remove one section at a time.
- Uses the normal FS25 fence network events, savegame format and server authority.
- Multiplayer and dedicated-server compatible.
- Compatible with customizable husbandry meadow fences; required native start/end connection points and husbandry validation are preserved.
- Master ON/OFF switch instantly returns fence placement to vanilla behavior while preserving your helper settings.

Controls:
Left Alt + B = cycle fence section size.
Left Alt + R = re-lock the straight-line guide to the current fence angle.
Left Alt + S = toggle snapping to the white guide.
Left Alt + G = switch guide mode: World 0° / 90° ↔ Local / fence ↔ World 45°.
Left Alt + H = master Fence Placement Helper ON/OFF.

Default section size: 25 m.
Vanilla snapping and all existing construction buttons are unchanged.