feat: add probation and ban enforcement

tests/test_node_startup.py

@@ -10,8 +10,9 @@ import pytest
 
 from meshnet_node.downloader import download_shard
 from meshnet_node.hardware import detect_hardware
-from meshnet_node.startup import run_startup
+from meshnet_node.startup import _probationary_status_line, run_startup
 from meshnet_node.wallet import _b58encode, load_or_create_wallet
+from meshnet_contracts import LocalSolanaContracts
 from meshnet_tracker.server import TrackerServer
 
 
@@ -129,6 +130,17 @@ def test_download_shard_stub_idempotent(tmp_path):
     assert shard_dir.exists()
 
 
+def test_startup_formats_probationary_jobs_remaining():
+    """Startup status tells a node how many free jobs remain before earning."""
+    contracts = LocalSolanaContracts(probationary_job_count=50)
+    for _ in range(12):
+        contracts.registry.record_completed_job("node-wallet-a")
+
+    line = _probationary_status_line(contracts, "node-wallet-a")
+
+    assert line == "Probationary period: 38 jobs remaining before earning"
+
+
 # ---------------------------------------------------------------------------
 # Tracker assign endpoint
 # ---------------------------------------------------------------------------