fix: improve local Pulsar connectivity checks

Taskfile.yml

@@ -108,7 +108,7 @@ tasks:
   emu:
     desc: Create a virtual serial port pair (ttyS0 ↔ ttyS1) with socat
     cmds:
-      - socat PTY,link=ttyS0 PTY,link=ttyS1
+      - socat PTY,link=/tmp/ttyS0 PTY,link=/tmp/ttyS1
     silent: false
 
   deps:
@@ -147,4 +147,4 @@ tasks:
       - cp "{{.CONFIG}}" "{{.BUILD_DIR}}/"
       - cd "{{.BIN_DIR}}" && tar czvf "{{.APP}}.tar.gz" "{{.APP}}/" && mv "{{.APP}}.tar.gz" .
       - rm -rf "{{.BUILD_DIR}}"
-    silent: false
+    silent: false