fix: correct api_commands set to use 'tool' not 'tools'

The command is registered as 'tool' (singular) but the api_commands
set had 'tools' (plural). This caused ensure_initialization() to run
for 'bm tool --help', triggering the hanging issue on Windows.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Signed-off-by: phernandez <paul@basicmachines.co>

Author: phernandez

src/basic_memory/cli/app.py

@@ -37,7 +37,7 @@ def app_callback(
     # Run initialization for commands that don't use the API
     # Skip for 'mcp' command - it has its own lifespan that handles initialization
     # Skip for API-using commands (status, sync, etc.) - they handle initialization via deps.py
-    api_commands = {"mcp", "status", "sync", "project", "tools"}
+    api_commands = {"mcp", "status", "sync", "project", "tool"}
     if (
         not version
         and ctx.invoked_subcommand is not None