use same shell setup as in nix home manager

roles/pi_dhtsensor/tasks/main.yml

@@ -18,7 +18,10 @@
   ansible.builtin.pip:
     name: adafruit-dht
     executable: pip3
-    extra_args: "--break-system-packages"
+    # Modern Raspberry Pi OS kernels no longer expose a "Hardware" line in
+    # /proc/cpuinfo, which breaks this package's built-in Pi auto-detection.
+    # Force it explicitly since we only ever target Raspberry Pis.
+    extra_args: '--break-system-packages --global-option="--force-pi"'
   notify: Restart dht22_sensing
 - name: Install script config
   ansible.builtin.template: