feat: added native crash handler

[RohitKushvaha01]

This will help debug issues like #2158

[greptile-apps]

Greptile Summary

This PR introduces a new Cordova plugin, cordova-plugin-crashhandler, that intercepts uncaught native Java exceptions in the main app process, captures the stack trace, and displays a custom CrashActivity in a separate :crash OS process with device metadata, the stack trace, and restart/copy/close buttons. The plugin is registered with onload: true so it installs the handler as early as possible.

• CrashHandler.java registers a Thread.UncaughtExceptionHandler that catches Throwable (including Error subclasses), starts CrashActivity via explicit intent, and terminates the faulting process unconditionally in the finally block.
• CrashActivity.java renders a self-contained crash report UI built entirely from Android SDK views, reads optional app theme colours from SharedPreferences, and offers restart, copy, and close actions.
• package.json and package-lock.json register the local plugin as a dev dependency and list it in the cordova.plugins map; the existing ANDROIDBLACKLISTSECURESOCKETPROTOCOLS config for cordova-plugin-advanced-http is preserved.

Confidence Score: 5/5

The crash handler is correctly implemented and the faulting process is unconditionally terminated in the finally block.

The three blocking concerns from the previous review round (process not terminated, too-narrow exception catch, TLS protocol blacklist removal) are all resolved. No new logic bugs were found.

CrashActivity.java — null getLaunchIntentForPackage exits silently (previously discussed); System.java — duplicate imports should be deduplicated.

Important Files Changed

Filename	Overview
src/plugins/cordova-plugin-crashhandler/src/android/CrashHandler.java	Registers the uncaught exception handler; catches Throwable (including Error subclasses), serialises the stack trace, starts CrashActivity, and unconditionally kills the process in the finally block. Previously flagged issues resolved.
src/plugins/cordova-plugin-crashhandler/src/android/CrashActivity.java	Self-contained crash screen Activity running in the :crash process. Reads theme colours from SharedPreferences with safe fallbacks, builds a programmatic UI, and offers restart/copy/close actions.
src/plugins/cordova-plugin-crashhandler/plugin.xml	Declares the CrashHandler feature (onload=true) and registers CrashActivity in the :crash process with android:exported=false, singleInstance launch mode, and comprehensive configChanges.
package.json	Adds cordova-plugin-crashhandler to cordova.plugins and devDependencies. The ANDROIDBLACKLISTSECURESOCKETPROTOCOLS setting for cordova-plugin-advanced-http is preserved.
src/plugins/system/android/com/foxdebug/system/System.java	Import block reorganised, introducing duplicate import statements (previously noted). No logic changes detected.

Sequence Diagram

%%{init: {'theme': 'neutral'}}%%
sequenceDiagram
    participant Main as Main Process
    participant AMS as ActivityManagerService
    participant Crash as :crash Process
    Note over Main: App running normally
    Main->>Main: CrashHandler.initialize()
    Main->>Main: Thread.setDefaultUncaughtExceptionHandler()
    Note over Main: Uncaught exception thrown
    Main->>Main: uncaughtException(thread, throwable)
    Main->>AMS: context.startActivity(CrashActivity intent)
    Main->>Main: Process.killProcess() + System.exit(10)
    AMS->>Crash: Start CrashActivity
    Crash->>Crash: loadThemeColors() + build UI
    alt Restart
        Crash->>AMS: startActivity(launch intent)
        Crash->>Crash: System.exit(0)
    else Close
        Crash->>Crash: System.exit(0)
    end

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%%{init: {'theme': 'base', 'themeVariables': {"darkMode": true, "background": "#0d1117", "primaryColor": "#21262d", "primaryTextColor": "#e6edf3", "primaryBorderColor": "#8b949e", "lineColor": "#8b949e", "textColor": "#e6edf3", "edgeLabelBackground": "#161b22", "actorBkg": "#21262d", "actorBorder": "#8b949e", "actorTextColor": "#e6edf3", "actorLineColor": "#8b949e", "signalColor": "#8b949e", "signalTextColor": "#e6edf3", "noteBkgColor": "#373320", "noteBorderColor": "#d4a72c", "noteTextColor": "#f0e6c0", "labelBoxBkgColor": "#21262d", "labelBoxBorderColor": "#8b949e", "labelTextColor": "#e6edf3", "loopTextColor": "#e6edf3", "activationBkgColor": "#30363d", "activationBorderColor": "#8b949e"}}}%%
sequenceDiagram
    participant Main as Main Process
    participant AMS as ActivityManagerService
    participant Crash as :crash Process
    Note over Main: App running normally
    Main->>Main: CrashHandler.initialize()
    Main->>Main: Thread.setDefaultUncaughtExceptionHandler()
    Note over Main: Uncaught exception thrown
    Main->>Main: uncaughtException(thread, throwable)
    Main->>AMS: context.startActivity(CrashActivity intent)
    Main->>Main: Process.killProcess() + System.exit(10)
    AMS->>Crash: Start CrashActivity
    Crash->>Crash: loadThemeColors() + build UI
    alt Restart
        Crash->>AMS: startActivity(launch intent)
        Crash->>Crash: System.exit(0)
    else Close
        Crash->>Crash: System.exit(0)
    end

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_{Reviews (4): Last reviewed commit: "catch Throwable instead of Exception to ..." | Re-trigger Greptile}

[UnschooledGamer]

LGTM, Do we need I18n strings for this PR?