feat: adacam migration — update IP, add pairing, bearer auth, wifi/ssh config, remove tunnel and cmd

- Changed default API URL from 192.168.0.10 to 192.168.0.10
- Added bearer token authentication for POST endpoints
- Added /pair endpoint support for device pairing
- Added GET/POST /api/1/ssh/status and /api/1/ssh/toggle
- Added WiFi config via /api/1/wifi/connect
- Removed JSch dependency (no more SSH from app)
- Removed /api/1/cmd endpoint references (CVE)
- Added PairResponse, SshStatus, WifiStatus models
- Added deviceSerial, apiToken, isPaired to settings
- Added deriveApiToken() function for token derivation
- Updated SettingsViewModel with pairing/wifi/ssh methods
- Updated SettingsScreen with pairing UI, WiFi config, SSH toggle
- Updated DeviceStatusScreen with SSH toggle card

app/build.gradle.kts

@@ -76,8 +76,6 @@ dependencies {
     ksp(libs.room.compiler)
     // WorkManager (background uploads)
     implementation(libs.work.runtime.ktx)
-    // SSH connectivity for device_id fallback
-    implementation("com.jcraft:jsch:0.1.55")
     // QR Code scanning
     implementation("com.google.zxing:core:3.5.2")
     implementation("com.journeyapps:zxing-android-embedded:4.3.0")