Wire node memory and shard slot capabilities

packages/node/meshnet_node/startup.py

@@ -265,6 +265,7 @@ def run_startup(
     contracts: Any | None = None,
     route_timeout: float = 30.0,
     vram_mb_override: int | None = None,
+    max_loaded_shards: int = 1,
     debug: bool = False,
 ) -> StubNodeServer | TorchNodeServer:
     """Execute the full startup sequence and return a running node server.
@@ -282,6 +283,8 @@ def run_startup(
 
     tracker_url = tracker_url.rstrip("/")
     relay_url = _discover_relay_url(tracker_url)
+    if max_loaded_shards < 1:
+        raise ValueError("--max-shards must be at least 1")
 
     # 1. Hardware detection
     if advertise_host is None and host == "0.0.0.0":
@@ -315,6 +318,11 @@ def run_startup(
         print("  WARNING: No CUDA GPU detected — running in CPU mode", flush=True)
     else:
         print(f"  GPU: {gpu_name} ({vram_mb} MB VRAM)", flush=True)
+    registration_capabilities = {
+        "max_loaded_shards": max_loaded_shards,
+    }
+    if vram_mb_override is not None or vram_mb > 0:
+        registration_capabilities["vram_bytes"] = max(0, int(vram_mb)) * 1024 * 1024
 
     # 2. Wallet
     print("Loading wallet...", flush=True)
@@ -404,6 +412,7 @@ def run_startup(
             "score": 1.0,
             "tracker_mode": (shard_start == 0),
             "managed_assignment": not user_pinned_shard,
+            **registration_capabilities,
             **relay_fields,
         }
         tracker_node_id: str | None = None
@@ -493,6 +502,7 @@ def run_startup(
             "score": 1.0,
             "tracker_mode": (assigned_shard_start == 0),
             "managed_assignment": True,
+            **registration_capabilities,
             **relay_fields,
         }
         tracker_node_id = None
@@ -593,6 +603,7 @@ def run_startup(
                 "hardware_profile": hw,
                 "wallet_address": address,
                 "score": 1.0,
+                **registration_capabilities,
                 **relay_fields,
             },
         )