chore(init): print a one-line startup banner (#574)

Replace the version line, one Loaded line per node and the total with
"[ComfyUI-PromptManager] Version: <v> - <n> tools loaded".

Closes #573

__init__.py

@@ -435,12 +435,9 @@ except Exception as e:
 
 __all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS", "WEB_DIRECTORY"]
 
-# Print startup message with loaded tools
-print()
-print(f"\033[94m[ComfyUI-PromptManager] Version:\033[0m {get_version()}")
-for node_key, display_name in NODE_DISPLAY_NAME_MAPPINGS.items():
-    # ASCII only: a Windows console using a legacy code page cannot print emoji,
-    # and a UnicodeEncodeError here would abort loading the whole node.
-    print(f"  \033[94mLoaded:\033[0m {display_name}")
-print(f"\033[94mTotal: {len(NODE_CLASS_MAPPINGS)} tools loaded\033[0m")
-print()
+# One startup line. ASCII only: a Windows console using a legacy code page
+# cannot print emoji, and a UnicodeEncodeError here would abort loading the node.
+print(
+    f"\033[94m[ComfyUI-PromptManager] Version:\033[0m {get_version()}"
+    f" - {len(NODE_CLASS_MAPPINGS)} tools loaded"
+)

tests/test_init_package.py

@@ -390,7 +390,16 @@ class TestConsoleBanner(unittest.TestCase):
 
         stream.flush()
         banner = stream.buffer.getvalue().decode("cp1252")
-        self.assertIn("Loaded:", banner)
+        lines = [
+            line
+            for line in banner.splitlines()
+            if "PromptManager" in line or "loaded" in line
+        ]
+        self.assertEqual(len(lines), 1, banner)
+        self.assertRegex(
+            lines[0], r"\[ComfyUI-PromptManager\] Version:.* \S+ - \d+ tools loaded$"
+        )
+        self.assertNotIn("Loaded:", banner)
 
 
 class PriorFileHandler(logging.FileHandler):
@@ -553,7 +562,7 @@ class TestPackageLoggerIsolation(unittest.TestCase):
         original_print = print
 
         def fail_banner(*args, **kwargs):
-            if any("Total:" in str(arg) for arg in args):
+            if any("tools loaded" in str(arg) for arg in args):
                 captured["package"] = sys.modules[name]
                 captured["handlers"] = [
                     h