🛡️ Sentinel: Disable cleartext traffic

[yuga-hashimoto]

💡 What

Disabled cleartext traffic globally across the OpenClaw Assistant application by modifying the manifest and network security configuration.

🎯 Why

Allowing cleartext traffic exposes the app to potential man-in-the-middle (MitM) attacks and data interception. Enforcing HTTPS is a standard security best practice and explicitly required for modern secure applications.

⚠️ Impact

This hardens the base configuration. The application uses some cleartext (HTTP/WS) traffic for local hardware gateway connectivity. If local gateway connectivity fails due to this policy, additional domain-specific whitelisting may be required in the network_security_config.xml for those specific local IP ranges or MDNS hosts in a follow-up patch, but the global default should remain secure (false).

🔬 Verification

• app/src/main/AndroidManifest.xml verified to no longer allow cleartext.
• app/src/main/res/xml/network_security_config.xml verified to enforce cleartextTrafficPermitted="false".
• Ran ./gradlew app:testStandardDebugUnitTest successfully.

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PR created automatically by Jules for task 11069869323892220203 started by @yuga-hashimoto

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