feat(rust): NPC profile and placement routes, the event picker, triggers and titles (runicnpc stage 4)

Admin: /admin/rust/npcs for profiles (create, change, delete, restore a
replaced one, push now) and each server's placements (list, add from a map
point, change, remove, rename, respawn). Public: the profiles a leaderboard
ranks by, one profile's ranking counted as the profile says (D247, D250), and
one player's kills by profile (D252). Player: your own kills by profile.

The Place NPCs step offers the site's profiles first, then Rust's own
(D243). rust.npc.died and rust.npc.health are triggers a phase can wait on.
A title rule can rank a profile's kills. Swagger fragment, engagement and
route manifests regenerated.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01E14m6SuuY6i1vASFeGDBeY

server/router/player/rust.router.js

@@ -58,6 +58,15 @@ const linkLimiter = rateLimit({
   message: 'Too many link attempts. Please try again later.',
 })
 
+playerRustRouter.get(
+  '/npc-kills',
+  // #swagger.tags = ['Player · Rust']
+  // #swagger.summary = 'Your kills of each NPC profile'
+  // #swagger.description = 'The caller’s kills of RunicNPC’s NPCs, by server and profile, in each server’s current wipe, across every Steam account they have linked (docs/runicnpc/PLAN.md stage 4, D252). Empty with no linked account. Requires a session.'
+  /* #swagger.responses[200] = { description: 'The kills', content: { "application/json": { schema: { $ref: "#/components/schemas/RustNpcOwnKills" } } } } */
+  rust.ownNpcKills,
+)
+
 playerRustRouter.get(
   '/servers',
   // #swagger.tags = ['Player · Rust']