fix: unify package and MCP version reporting

mempalace/__init__.py

@@ -1,7 +1,6 @@
 """MemPalace — Give your AI a memory. No API key required."""
 
-__version__ = "2.0.0"
-
 from .cli import main
+from .version import __version__
 
 __all__ = ["main", "__version__"]

mempalace/mcp_server.py

@@ -24,6 +24,7 @@ import hashlib
 from datetime import datetime
 
 from .config import MempalaceConfig
+from .version import __version__
 from .searcher import search_memories
 from .palace_graph import traverse, find_tunnels, graph_stats
 import chromadb
@@ -700,7 +701,7 @@ def handle_request(request):
             "result": {
                 "protocolVersion": "2024-11-05",
                 "capabilities": {"tools": {}},
-                "serverInfo": {"name": "mempalace", "version": "2.0.0"},
+                "serverInfo": {"name": "mempalace", "version": __version__},
             },
         }
     elif method == "notifications/initialized":

mempalace/version.py

@@ -0,0 +1,3 @@
+"""Single source of truth for the MemPalace package version."""
+
+__version__ = "3.0.0"