diff --git a/sla-brp/world.json b/sla-brp/world.json
index f51853e..7d97339 100644
--- a/sla-brp/world.json
+++ b/sla-brp/world.json
@@ -15,7 +15,7 @@
     "maximum": "13"
   },
   "system": "sla-industries-brp",
-  "systemVersion": "13.1.55",
+  "systemVersion": "13.1.56",
   "manifest": "https://raw.githubusercontent.com/slaguru666/sla_industries_brp/main/sla-brp/world.json",
   "download": "https://github.com/slaguru666/sla_industries_brp/releases/latest/download/sla-brp.zip",
   "url": "https://github.com/slaguru666/sla_industries_brp"
diff --git a/sla-industries-brp/module/brp.mjs b/sla-industries-brp/module/brp.mjs
index ca6d2d3..80341ba 100644
--- a/sla-industries-brp/module/brp.mjs
+++ b/sla-industries-brp/module/brp.mjs
@@ -171,6 +171,29 @@ Hooks.once("ready", async function () {
       console.warn("sla-industries-brp | Unable to attach SLABPNToolkit to game.brp", err);
     }
   }
+  // Bootstrap a complete SLA install once per world/system version on GM login.
+  if (game.user?.isGM && game.world && game.brp?.SLASeedImporter?.runFullSLAInstaller) {
+    try {
+      const installFlagKey = "fullInstallVersion";
+      const currentVersion = String(game.system.version ?? "");
+      const installedVersion = String(await game.world.getFlag("sla-industries-brp", installFlagKey) ?? "");
+      if (installedVersion !== currentVersion) {
+        const result = await game.brp.SLASeedImporter.runFullSLAInstaller({
+          overwrite: false,
+          pruneCompendia: false,
+          notify: false
+        });
+        if (result?.ok !== false) {
+          await game.world.setFlag("sla-industries-brp", installFlagKey, currentVersion);
+          ui.notifications.info(`SLA content bootstrap complete (${currentVersion}).`);
+        } else {
+          console.warn("sla-industries-brp | SLA content bootstrap skipped/failed", result);
+        }
+      }
+    } catch (err) {
+      console.warn("sla-industries-brp | Failed SLA automatic full install bootstrap", err);
+    }
+  }
   if (game.user?.isGM && game.brp?.SLABPNToolkit?.ensureRulebookJournal) {
     try {
       await game.brp.SLABPNToolkit.ensureRulebookJournal({ notify: false, syncPages: true });
diff --git a/sla-industries-brp/system.json b/sla-industries-brp/system.json
index 04d2bb2..435c19c 100644
--- a/sla-industries-brp/system.json
+++ b/sla-industries-brp/system.json
@@ -2,7 +2,7 @@
   "id": "sla-industries-brp",
   "title": "SLA Industries BRP (Draft)",
   "description": "Draft SLA Industries conversion of the BRP system for FoundryVTT.",
-  "version": "13.1.55",
+  "version": "13.1.56",
   "compatibility": {
     "minimum": "13",
     "verified": "13.350",