feat(webshell): neues Library-Product ManaWebShell (v0.6.0)
WKWebView-Huelle fuer Hybrid-Apps (Web-Lese-Surfaces + native
Submit/Widget/ShareExt). Extrahiert aus den fast-byte-identischen
`WebShell/`-Ordnern in seepuls-native und zitare-native (~900 LOC,
davon ~700 LOC Duplikat). Audit 2026-05-17 V2.
Neu (public API):
- `WebShellView` — WKWebView-Wrapper mit Progress-Bar, Pull-to-
Refresh (iOS), Fehler-Snackbar, External-Link-Delegation. Universal
(iOS + macOS)
- `WebShellConfig` — Host-Whitelist mit Wildcard-Support (`"*.mana.how"`),
User-Agent, Theme-Hints, User-Scripts
- `WebTarget` — URL + monoton wachsender reloadToken
- `WebNavState` — @Observable, @MainActor, reaktiver Nav-State
- `WebShellCoordinator` — WKNavigationDelegate + WKUIDelegate
- `WebShellScripts` — Helfer fuer `preferDarkScheme`,
`syncDarkMode(localStorageKey:)`, `hideElements(selectors:tagName:)`
Logging unter Subsystem `ev.mana.webshell` (App-OSLog bleibt eigen).
Tests: 6 neue Tests gegen `WebShellConfig.isAllowed` (Wildcards,
Negativ-Cases). 50/50 grün insgesamt (6 ManaWebShell + 44 ManaAuthUI).
Doku: `mana/docs/playbooks/HYBRID_NATIVE_APP.md` (Schwester-Repo).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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