Refine archive world spawn and interaction handling

tests/archive-world-state.test.cjs

@@ -9,6 +9,11 @@ test("fresh v2 state applies safe defaults", () => {
   assert.equal(fresh.name, "Ada");
   assert.equal(fresh.palette, "moss");
   assert.equal(fresh.position.area, "town");
+  assert.deepEqual(
+    { x: fresh.position.x, y: fresh.position.y },
+    data.AREAS.town.safeSpawns.gate
+  );
+  assert.ok(fresh.position.y > data.AREAS.town.gates[0].y + data.AREAS.town.gates[0].height);
   assert.equal(fresh.health, 100);
   assert.equal(fresh.settings.soundEnabled, false);
   assert.deepEqual(fresh.sigils, []);

tests/archive-world-systems.test.cjs

@@ -102,6 +102,31 @@ test("invalid collision positions resolve to a named safe spawn", () => {
   assert.ok(["gate", "square", "library", "study", "inn", "workshop", "playroom", "museum", "garden"].includes(safe.spawn));
 });
 
+test("locked-gate saves inside town recover to the outside opening spawn", () => {
+  const current = state.fresh("Ada", "brass");
+  current.position = { area: "town", spawn: "square", x: 724, y: 555, facing: "south" };
+  const safe = systems.safeSpawnForState(current);
+  assert.deepEqual(
+    { area: safe.area, spawn: safe.spawn, x: safe.x, y: safe.y },
+    { area: "town", spawn: "gate", ...data.AREAS.town.safeSpawns.gate }
+  );
+
+  current.sigils.push("gate");
+  const unlocked = systems.safeSpawnForState(current);
+  assert.equal(unlocked.spawn, "saved");
+  assert.equal(unlocked.y, 555);
+});
+
+test("interaction ranges are type-specific and NPC conversations require close approach", () => {
+  const npc = { type: "npc", id: "orin", x: 0, y: 0 };
+  const landmark = { type: "landmark", id: "gate", x: 56, y: 0 };
+  assert.equal(systems.interactionRadius(npc), 46);
+  assert.equal(systems.nearestInteraction([npc], 47, 0), null);
+  assert.equal(systems.nearestInteraction([npc], 45, 0), npc);
+  assert.equal(systems.nearestInteraction([npc, landmark], 0, 0), npc);
+  assert.equal(systems.nearestInteraction([landmark], 0, 0), landmark);
+});
+
 test("all declared safe spawns and enemy homes are outside collision geometry", () => {
   Object.entries(data.AREAS).forEach(([areaId, area]) => {
     Object.entries(area.safeSpawns).forEach(([spawnId, spawn]) => {
@@ -125,3 +150,11 @@ test("town landmarks and NPC interaction points remain reachable", () => {
     assert.equal(systems.isSafe("town", x, y), true, `npc:${npcId}`);
   });
 });
+
+test("town safe spawns do not place the player inside an NPC body", () => {
+  Object.entries(data.AREAS.town.safeSpawns).forEach(([spawnId, spawn]) => {
+    data.AREAS.town.npcs.forEach(([npcId, x, y]) => {
+      assert.ok(Math.hypot(spawn.x - x, spawn.y - y) >= 30, `${spawnId} overlaps npc:${npcId}`);
+    });
+  });
+});