Add temporary, append-only tracing of the native iOS application launch
lifecycle to diagnose failed cold-start shares when Xcode is not
attached during launch. Writes app-launch-trace.log in the same App
Group container as share-extension-trace.log, reusing the same style
(ISO8601 timestamps, append-only, all logging failures swallowed).
AppDelegate now traces every lifecycle callback
(didFinishLaunchingWithOptions, application(open:),
applicationDidBecomeActive, applicationWill/DidEnterForeground/Background,
applicationWillResignActive, applicationWillTerminate, and
checkForSharedImageOnActivation), recording the callback name, whether a
URL was supplied, the URL value, whether it matches timesafari://,
whether launch options carried a URL, and whether shared-image
activation ran.
Expose read-only getAppLaunchTrace()/clearAppLaunchTrace() plugin APIs
(mirroring the share-extension trace APIs) with matching TypeScript
definitions and web stubs. main.capacitor.ts logs the full launch trace
between APP LAUNCH TRACE START/END markers inside the existing
diagnostics block.
No share-target behavior changed; Android untouched. All additions are
marked TEMPORARY SHARE TARGET DIAGNOSTICS.
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