Revert "chat: reap orphaned per-cwd opencode serves on startup"

This reverts commit 1f6eff3614.

src/servers/api/chat/opencode/server-manager.ts

@@ -22,30 +22,6 @@ type OpenCodeServer = { baseUrl: string; proc: Subprocess };
 const servers = new Map<string, OpenCodeServer>();
 const starting = new Map<string, Promise<OpenCodeServer>>();
 
-// On startup, reap orphaned per-cwd serves left by a previous officer instance (each ~0.5GB) so they
-// don't accumulate across restarts. The fixed server (OPENCODE_SERVER_URL) is preserved by port.
-(function reapOrphanServers() {
-  const fixedPort = (() => {
-    try {
-      return new URL(OPENCODE_SERVER_URL).port || '4096';
-    } catch {
-      return '4096';
-    }
-  })();
-  try {
-    Bun.spawnSync([
-      'bash',
-      '-c',
-      `ss -tlnp 2>/dev/null | grep -F opencode | grep -oP '127\\.0\\.0\\.1:\\K[0-9]+' | sort -u | while read -r p; do ` +
-        `[ "$p" = "${fixedPort}" ] && continue; ` +
-        `pid=$(ss -tlnp 2>/dev/null | grep "127.0.0.1:$p " | grep -oP 'pid=\\K[0-9]+' | head -1); ` +
-        `[ -n "$pid" ] && kill "$pid" 2>/dev/null; done`,
-    ]);
-  } catch {
-    /* best effort */
-  }
-})();
-
 async function isHealthy(baseUrl: string): Promise<boolean> {
   try {
     const res = await fetch(`${baseUrl}/api/health`, { signal: AbortSignal.timeout(3000) });