fix(copilot): refine ownership checks and command error handling

src/copilot/constants.ts

@@ -45,23 +45,3 @@ export function normalizeCopilotSubcommand(token?: string): string | undefined {
 export function isCopilotSubcommandToken(token?: string): boolean {
   return Boolean(token) && COPILOT_SUBCOMMAND_TOKENS.includes(token as string);
 }
-
-/**
- * Detect likely mistyped copilot flag aliases (e.g. `--statu`).
- * This helps entrypoint routing show command help instead of falling through
- * to profile execution for obvious copilot-command typos.
- */
-export function isLikelyCopilotFlagAlias(token?: string): boolean {
-  if (!token || !token.startsWith('--') || token === '--') {
-    return false;
-  }
-
-  const alias = token.slice(2).toLowerCase();
-  if (!/^[a-z][a-z0-9-]*$/.test(alias)) {
-    return false;
-  }
-
-  return COPILOT_SUBCOMMANDS.some(
-    (subcommand) => subcommand.startsWith(alias) || alias.startsWith(subcommand)
-  );
-}

src/copilot/copilot-daemon.ts

@@ -289,12 +289,11 @@ export async function stopDaemon(): Promise<{ success: boolean; error?: string }
   try {
     const ownership = verifyProcessOwnership(pid, (commandLine) => {
       const lower = commandLine.toLowerCase();
-      const hasCopilotApiBinary = /(^|[\\/\s])copilot-api(\.cmd|\.exe)?(\s|$)/.test(lower);
+      const hasCopilotApiBinary = /copilot-api(\.cmd|\.exe)?/.test(lower);
       const hasStartCommand = /\bstart\b/.test(lower);
-      const hasExpectedPort =
-        lower.includes(`--port ${configuredPort}`) || lower.includes(`--port=${configuredPort}`);
+      const hasPortArgument = /--port(?:\s+|=)\d+\b/.test(lower);
       // copilot-api is launched as `... copilot-api start --port <n>`
-      return hasCopilotApiBinary && hasStartCommand && hasExpectedPort;
+      return hasCopilotApiBinary && hasStartCommand && hasPortArgument;
     });
     if (ownership === 'not-running') {
       removePidFile();