Add MVP resource respawn rules

Docs/TechnicalDesignDocument.md

@@ -438,6 +438,16 @@ authority. This keeps drinking compatible with the existing replicated survival
 component while leaving later container filling, water quality, and source
 depletion rules for future water-system work.
 
+For the MVP, renewable MVP resource nodes respawn only after they are fully
+depleted. Wood, fiber, and edible plant nodes are renewable because they
+represent surface materials and forage that should return during continued
+prototype play. Stone remains nonrespawning because it represents a slower
+geologic resource and should push players to explore once local easy stone is
+gone. Respawn timing is configurable per Blueprint through
+`bRespawnsForMvp`, `RespawnDelaySeconds`, and `MaxHarvests`; the native node
+uses a server-side timer and restores replicated `RemainingHarvests` when the
+delay expires.
+
 ### Wildlife Navigation
 
 MVP wildlife movement is server authoritative. `AAgrarianWildlifeBase` uses an

Docs/Terrain/GroundZeroResourcePass.md

@@ -41,6 +41,19 @@ The map now contains:
 These counts include the original demo wood and fiber nodes so the first player
 path remains intact while expanding the broader tile resource layer.
 
+## Respawn Rules
+
+MVP respawn rules separate renewable surface resources from nonrenewable stone:
+
+- Wood nodes respawn after `900` seconds once fully depleted.
+- Fiber nodes respawn after `600` seconds once fully depleted.
+- Edible plant nodes respawn after `1200` seconds once fully depleted.
+- Stone nodes do not respawn in the MVP.
+
+Respawn restores the node to its configured `MaxHarvests` value and re-enables
+visibility/collision through the same replicated depletion state used by
+gathering.
+
 ## Follow-Up
 
 Future passes should replace the prototype meshes with real coastal scrub,