Add fresh-Pi deploy guide and uplink consistency fixes

- add deploy/readme.md with full fresh install + quick bootstrap block
- update README with deploy guide link and hardware photo
- fix app_network interface detection for wlan1-first setup
- make dispatcher hook handle wlan0 and wlan1
- update PLAN.md with Phase 24.8 completion notes

Co-authored-by: Copilot <[email protected]>

modules/app_network.py

@@ -9,7 +9,8 @@ BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 INSTALLED_HELPER = "/usr/local/bin/yaris-uplink"
 REPO_HELPER = os.path.join(BASE_DIR, "deploy", "yaris_uplink.py")
 PHONE_CONNECTION = "phone-hotspot"
-INTERFACE = "wlan0"
+PRIMARY_INTERFACE = "wlan1"
+FALLBACK_INTERFACE = "wlan0"
 STATUS_PATH = "/var/lib/yaris-obd/uplink-status.json"
 
 
@@ -17,6 +18,18 @@ class NetworkConfigurationError(RuntimeError):
     pass
 
 
+def _interface_exists(iface):
+    return os.path.exists(f"/sys/class/net/{iface}")
+
+
+def _resolve_interface():
+    if _interface_exists(PRIMARY_INTERFACE):
+        return PRIMARY_INTERFACE
+    if _interface_exists(FALLBACK_INTERFACE):
+        return FALLBACK_INTERFACE
+    return PRIMARY_INTERFACE
+
+
 def _helper_command(action):
     if os.path.isfile(INSTALLED_HELPER):
         return ["sudo", "-n", INSTALLED_HELPER, action]
@@ -99,12 +112,13 @@ def _phone_ssid():
 
 
 def get_status():
+    interface = _resolve_interface()
     values = _nmcli(
         "-g",
         "GENERAL.CONNECTION,GENERAL.STATE,GENERAL.IP4-CONNECTIVITY,IP4.ADDRESS",
         "device",
         "show",
-        INTERFACE,
+        interface,
     ).splitlines()
     values += [""] * (4 - len(values))
     last_transition = {}
@@ -134,6 +148,7 @@ def get_status():
         "state": values[1],
         "internet_reachable": internet_reachable,
         "connectivity": connectivity,
+        "interface": interface,
         "ip_address": values[3].split("/", 1)[0],
         "phone_configured": bool(phone_ssid),
         "phone_ssid": phone_ssid,