Complete Phase 12 dual-stack networking

Add IPv6-aware Wi-Fi state, HTTPS/SSH listeners, mDNS service
reconciliation, and browser Wi-Fi administration.

Include a guarded build-local fix for mDNS 1.12.0 membership handling,
focused regression suites, and Phase 12 acceptance documentation.

tests/admin_ssh_policy/run.py

@@ -66,7 +66,19 @@ int main(void) {
         "", " ", "help", "memory", "exit", "user", "user status", "user list",
         "user show admin", "\"user\" \"show\" \"bootstrap\"",
         "web status", "web stop", "reboot", "\"reboot\"", "\"web\" \"stop\"",
-                "wifi status", "mdns status", "\"web\" \"status\"",
+        "mdns status", "\"web\" \"status\"",
+        "wifi", "wifi status", "wifi profiles", "wifi counters", "wifi clear-counters",
+        "wifi start", "wifi stop", "wifi reconnect", "wifi next-profile",
+        "wifi save", "wifi load", "wifi defaults", "wifi reset",
+        "wifi profile set 0 10 mixed \"Office Wi-Fi\"", "wifi profile secret 0",
+        "wifi profile enable 0", "wifi profile disable 0", "wifi profile delete 0",
+        "wifi ap policy fallback", "wifi ap ssid \"Recovery AP\"", "wifi ap channel 6",
+        "wifi ap secret", "wifi ap show-secret",
+        "wifi ping example.org", "wifi nslookup example.org", "wifi traceroute example.org",
+        "  \"wifi\"  ", "  \"wifi\"  \"stop\"  ",
+        "\"wifi\" \"profile\" \"secret\" \"0\"", "\"wifi\" \"ap\" \"show-secret\"",
+        /* Admission is not syntax validation: canonical Wi-Fi rejects these. */
+        "wifi scan", "wifi status extra", "wifi profile secret 0 inline-secret", "wifix stop",
         "user add other user", "user add other admin", "user password other",
         "user delete other --force", "user role other user --force",
         "user role other admin --force", "\"user\" \"password\" \"other\"",
@@ -84,8 +96,7 @@ int main(void) {
         "web certificate rotate --forcex", "web certificate --force rotate",
         "\"web\" \"certificate\" \"rotate\" \"--force extra\"",
         "web reset --force", "web status extra",
-        "wifi", "wifi profiles", "wifi scan", "wifi start", "wifi stop", "wifi save",
-        "wifi load", "wifi defaults", "wifi reset", "wifi ping example.org",
+
         "mdns", "mdns suffix test", "mdns save", "mdns load", "mdns defaults", "mdns reset",
         "reboot --force", "user bootstrap", "user recover --force",
         "user add other admin --generate", "user delete other",
@@ -100,7 +111,7 @@ int main(void) {
         "user key delete admin 0 --force", "user list extra", "user show admin extra",
         "ssh stop", "ssh disconnect 7", "ssh host-key rotate --force", "ssh reset --force",
         "  \"user\"   \"password\" \"admin\" \"--generate\"",
-        "\"web\" \"credentials\" \"show\"", "\"wifi\" \"stop\"",
+        "\"web\" \"credentials\" \"show\"", "mdns status extra",
         "\"mdns\" \"reset\"", "\"reboot\" extra", "\"ssh\" \"stop\"",
         "\"ssh\" \"host-key\" \"rotate\" --force", "\"user\" \"recover\" --force",
     };