Adds a notification to silicon/drones being watched (#90471)

## About The Pull Request

Cyborgs now have an alert that shows when someone is watching their
internal camera through a security camera console. SyndEye is excluded
from this as it's spying instead.
Made as an alternative to
https://github.com/tgstation/tgstation/pull/90410 but they also aren't
mutually exclusive, though I have the same fix for borg camera cutting
in this one too.


https://github.com/user-attachments/assets/5dfe92f8-8948-4a80-bb64-cbeaca4f80e0

##### This is part of the same code bounty as
https://github.com/tgstation/tgstation/pull/90410

## Why It's Good For The Game

Pretty much the same reason this PR is an alternative to, it's hard for
borgs to get away with doing antagonist stuff when people are able to
silently watch them at any point from any console or laptop laying
around the station, of which there are many. This hopefully lets borgs
know if someone is watching, to avoid doing anything in front of the
cameras, and to encourage them to get said cameras cut if they plan on
doing anything.

## Changelog

🆑
add: Drones now have internal cameras that shows up on camera consoles
(like Cyborgs)
balance: Cyborgs (and drones) now get a notification when someone is
watching them through a security camera console.
fix: Cutting a Cyborg's camera wire now properly disables it, and
mending it now properly re-enables it.
/🆑

---------

Co-authored-by: Ghom <42542238+Ghommie@users.noreply.github.com>

code/modules/modular_computers/file_system/programs/secureye.dm

@@ -30,7 +30,7 @@
 	// Stuff needed to render the map
 	var/atom/movable/screen/map_view/camera/cam_screen
 
-	///Internal tracker used to find a specific person and keep them on cameras.
+	///Internal tracker used to find a specific person and keep them on cameras, only used if this is a 'spying' console.
 	var/datum/trackable/internal_tracker
 
 ///Syndicate subtype that has no access restrictions and is available on Syndinet
@@ -52,13 +52,21 @@
 	)
 	spying = TRUE
 
+///Human AI subtype that has access to most networks on the station and can't be copied.
 /datum/computer_file/program/secureye/human_ai
 	filename = "Overseer"
 	filedesc = "OverSeer"
 	run_access = list(ACCESS_MINISAT)
 	can_run_on_flags = PROGRAM_PDA
 	program_flags = PROGRAM_UNIQUE_COPY
-	network = list("ss13", "mine", "rd", "labor", "ordnance", "minisat")
+	network = list(
+		CAMERANET_NETWORK_SS13,
+		CAMERANET_NETWORK_MINE,
+		CAMERANET_NETWORK_RD,
+		CAMERANET_NETWORK_LABOR,
+		CAMERANET_NETWORK_ORDNANCE,
+		CAMERANET_NETWORK_MINISAT,
+	)
 	spying = TRUE
 
 /datum/computer_file/program/secureye/on_install(datum/computer_file/source, obj/item/modular_computer/computer_installing)
@@ -130,15 +138,21 @@
 		return
 	switch(action)
 		if("switch_camera")
+			var/obj/machinery/camera/active_camera = camera_ref?.resolve()
+			if(!spying && active_camera)
+				active_camera.on_stop_watching(src)
+
+			if(!spying)
+				playsound(computer, SFX_TERMINAL_TYPE, 25, FALSE)
+
 			var/obj/machinery/camera/selected_camera = locate(params["camera"]) in GLOB.cameranet.cameras
 			if(selected_camera)
 				camera_ref = WEAKREF(selected_camera)
 			else
 				camera_ref = null
-			if(!spying)
-				playsound(computer, SFX_TERMINAL_TYPE, 25, FALSE)
-			if(isnull(camera_ref))
 				return TRUE
+			if(!spying)
+				selected_camera.on_start_watching(src)
 			if(internal_tracker)
 				internal_tracker.reset_tracking()
 
@@ -181,6 +195,9 @@
 	cam_screen.hide_from(user)
 	// Turn off the console
 	if(length(concurrent_users) == 0 && is_living)
+		var/obj/machinery/camera/active_camera = camera_ref?.resolve()
+		if(!spying && active_camera)
+			active_camera.on_stop_watching(src)
 		camera_ref = null
 		last_camera_turf = null
 		if(!spying)