feat: wi-fi - expand support and fix issues, add GUI components

programs/man/wifi.1

@@ -7,7 +7,10 @@
     wifi info
     wifi debug
     wifi connect <ssid> [passphrase]
+    wifi status
     wifi disconnect
+    wifi saved
+    wifi forget <ssid>
 
 .SH DESCRIPTION
     Drives the Intel Wi-Fi adapter. With no arguments, runs a five
@@ -33,13 +36,24 @@
         security tallies. Use this when a scan finds nothing.
 
     connect <ssid> [passphrase]
-        Brings the firmware contexts (PHY, MAC, binding, station) up
-        for a network from the last scan. The 802.11 authentication
-        and association exchange is not implemented, so this does not
-        produce a usable link; encrypted networks are refused outright.
+        Joins a network from the last scan: open, or WPA2/WPA3-PSK
+        with CCMP or GCMP. Blocks until the link is up or the attempt
+        fails, and says which it was. A passphrase given here is
+        remembered in 0:/config/wifi.toml; given only an SSID, the
+        remembered one is used. Run dhcp(1) afterwards for an address.
+
+    status
+        The network currently joined, with signal and cipher.
 
     disconnect
-        Tears those contexts back down.
+        Leaves the network and tears the firmware contexts down.
+
+    saved
+        Lists the networks in 0:/config/wifi.toml and whether the
+        desktop rejoins them by itself at startup.
+
+    forget <ssid>
+        Removes a network from 0:/config/wifi.toml.
 
 .SH OUTPUT
     SSID                             SIGNAL  RSSI  CH   BAND    SECURITY
@@ -59,6 +73,21 @@
     yet)". The PNVM file carries regulatory data; without it the
     firmware falls back to conservative built-in limits.
 
+.SH SAVED NETWORKS
+    0:/config/wifi.toml holds the networks the system may rejoin
+    without being asked, as [network.<n>] tables of ssid and psk, and
+    a wifi.autoconnect flag. The desktop writes it when "Remember this
+    network" is ticked, and reads it after the automatic scan it runs
+    at startup. Passphrases are stored as typed; anyone who can read
+    0:/config can read them.
+
+.SH GRAPHICAL USE
+    The desktop panel carries a Wi-Fi icon whenever a supported
+    adapter is present, separate from the Ethernet one. Its menu lists
+    the networks in range, asks for a passphrase when one is needed,
+    and shows the address once the link is up. The Network app has the
+    same list under its Wi-Fi tab, along with Forget.
+
 .SH DIAGNOSTICS
     no supported Wi-Fi adapter found
         No matching device, or its RF type is not GF.