Sync from upstream: ncp stop no longer misreports Ollama

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

management/ncp.py

@@ -199,11 +199,14 @@ def wait_for_port_close(port: int, timeout: int = 15) -> bool:
     return False
 
 
-def kill_matching(patterns, force=False) -> None:
+def kill_matching(patterns, force=False) -> int:
     """The pkill -f sweep: catches reparented grandchildren (npm -> sh -> node
-    vite), uvicorn --reload workers, and instances started outside this CLI."""
+    vite), uvicorn --reload workers, and instances started outside this CLI.
+    Returns how many processes it signalled, so callers can stay quiet when
+    there was nothing to kill."""
     ps = _psutil()
     me = os.getpid()
+    hit = 0
     for proc in ps.process_iter(["pid", "cmdline"]):
         if proc.info["pid"] == me:
             continue
@@ -211,8 +214,10 @@ def kill_matching(patterns, force=False) -> None:
         if any(p in cmd for p in patterns):
             try:
                 proc.kill() if force else proc.terminate()
+                hit += 1
             except Exception:
                 pass
+    return hit
 
 
 def kill_port(port: int) -> bool:
@@ -292,8 +297,11 @@ def stop_ollama() -> None:
         return
     except Exception:
         pass
-    kill_matching(["ollama serve"])
-    print("NEXUS OLLAMA STOPPED (direct)")
+    # Silent when there was nothing to stop - the bash version only announced a
+    # direct kill if `pgrep ollama serve` actually matched, and claiming to have
+    # stopped a service that was never running is worse than saying nothing.
+    if kill_matching(["ollama serve"]):
+        print("NEXUS OLLAMA STOPPED (direct)")
 
 
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