mcp repl fixes

src/clj/auto_ap/server.clj

@@ -62,7 +62,15 @@
     (.setHandler server stats-handler))
   (.setStopAtShutdown server true))
 
-(def ^:dynamic *http-port-override* nil)
+(def ^:dynamic *http-port-override*
+  ;; In dev, `lein mcp-repl` records the chosen HTTP port in `.http-port` so it
+  ;; stays stable across reloads. `refresh` re-evaluates this def, so reading the
+  ;; file here (rather than relying solely on an alter-var-root override that gets
+  ;; reset) keeps the port from falling back to (env :port). Absent in prod.
+  (let [f (java.io.File. ".http-port")]
+    (when (.exists f)
+      (let [p (.trim ^String (slurp f))]
+        (when (seq p) p)))))
 
 (mount/defstate port :start (Integer/parseInt (str (or *http-port-override* (env :port) "3000"))))