DebugHttpServer: Mercury BLE-эндпоинты (/mercury/status|connect|disconnect|screen/off|screen/on)

app-phone/src/main/kotlin/pw/binom/viewmate/phone/DebugHttpServer.kt

@@ -115,6 +115,32 @@ object DebugHttpServer {
                     code = 400
                 }
             }
+            // --- Mercury BLE (полевой тест либы rayneo-mercury) ---
+            method == "GET" && path.startsWith("/mercury/status") -> {
+                val s = MercuryBridge.state.value
+                response = """{"connected":${s.connected},"glasses":${s.glassesName?.let { "\"$it\"" } ?: "null"},"status":${jsonEscape(s.statusText)},"error":${s.lastError?.let { jsonEscape(it) } ?: "null"}}"""
+                code = 200
+            }
+            method == "POST" && path.startsWith("/mercury/connect") -> {
+                val ok = kotlinx.coroutines.runBlocking { MercuryBridge.connectFirst() }
+                response = """{"ok":$ok,"connected":${MercuryBridge.state.value.connected},"status":${jsonEscape(MercuryBridge.state.value.statusText)}}"""
+                code = 200
+            }
+            method == "POST" && path.startsWith("/mercury/disconnect") -> {
+                kotlinx.coroutines.runBlocking { MercuryBridge.disconnect() }
+                response = """{"ok":true}"""
+                code = 200
+            }
+            method == "POST" && path.startsWith("/mercury/screen/off") -> {
+                val ok = kotlinx.coroutines.runBlocking { MercuryBridge.screenOff() }
+                response = """{"ok":$ok,"status":${jsonEscape(MercuryBridge.state.value.statusText)}}"""
+                code = 200
+            }
+            method == "POST" && path.startsWith("/mercury/screen/on") -> {
+                val ok = kotlinx.coroutines.runBlocking { MercuryBridge.screenOn() }
+                response = """{"ok":$ok,"status":${jsonEscape(MercuryBridge.state.value.statusText)}}"""
+                code = 200
+            }
             else -> {
                 response = """{"error":"нет такого пути: $method $path"}"""
                 code = 404
@@ -139,6 +165,9 @@ object DebugHttpServer {
         return regex.find(body)?.groupValues?.get(1)
     }
 
+    private fun jsonEscape(s: String): String =
+        s.replace("\\", "\\\\").replace("\"", "\\\"").replace("\n", "\\n")
+
     private fun reason(code: Int): String = when (code) {
         200 -> "OK"
         400 -> "Bad Request"