Refactor KVM switch logic to enforce input source based on auxiliary monitor presence and update related documentation and tests

static/index.html

@@ -250,7 +250,7 @@
       <p class="eyebrow">Alienware-Only Targeting</p>
       <h1>Internal KVM Switch Dashboard</h1>
       <p>
-        Samsung is trigger-only. This device switches Alienware AW3423DWF when Samsung input matches the configured local port code: DP1 = 15, DP2 = 19 (or 16 on some setups), HDMI = 17.
+        When the auxiliary external monitor is present, this device enforces the configured Alienware AW3423DWF input (DP1, DP2, or HDMI).
       </p>
     </section>
 
@@ -362,7 +362,7 @@
         stat("Samsung Present", payload.samsung_present ? "Yes" : "No"),
         stat("Trigger Input", payload.trigger_input_code),
         stat("Trigger Target Port", payload.trigger_target_port),
-        stat("Trigger Matches This Device Port", payload.trigger_matches_device_port ? "Yes" : "No"),
+        stat("External Monitor Triggered", payload.trigger_matches_device_port ? "Yes" : "No"),
         stat("Alienware Detected", payload.alienware_detected ? "Yes" : "No"),
         stat("Alienware Input", payload.alienware_input_code),
         stat("Attempted This Samsung Session", payload.samsung_session_attempted ? "Yes" : "No"),