feat(profiles): add local on-device profile hiding and filtering

app/src/main/java/com/m57/hermescontrol/data/config/ServerStoreState.kt

@@ -25,6 +25,8 @@ data class ServerStoreState(
     // App display language. "system" = follow device locale; otherwise a BCP-47
     // language code such as "en" or "ko". Applied via ContextWrapper in MainActivity.
     val appLanguage: String = "system",
+    // Local on-device hidden profile names (filtered out from list views unless revealed).
+    val hiddenProfiles: List<String> = emptyList(),
     // App version the silent update check (issue #867) last completed for.
     // Null / mismatched with BuildConfig.VERSION_NAME → the About tab runs
     // its one-time check again (re-check on app version bump).

app/src/main/java/com/m57/hermescontrol/data/local/AuthManager.kt

@@ -357,6 +357,28 @@ object AuthManager {
         serverStore.update { it.copy(pinnedModels = pinned) }
     }
 
+    // ── Hidden Profiles (Local On-Device Filtering) ──────────────────────
+
+    fun getHiddenProfiles(): List<String> = serverStore.getLatestState().hiddenProfiles
+
+    fun isProfileHidden(name: String): Boolean = serverStore.getLatestState().hiddenProfiles.contains(name)
+
+    fun hideProfile(name: String) {
+        serverStore.update { s ->
+            s.copy(hiddenProfiles = (s.hiddenProfiles + name).distinct())
+        }
+    }
+
+    fun unhideProfile(name: String) {
+        serverStore.update { s ->
+            s.copy(hiddenProfiles = s.hiddenProfiles.filter { it != name })
+        }
+    }
+
+    fun setHiddenProfiles(hidden: List<String>) {
+        serverStore.update { it.copy(hiddenProfiles = hidden.distinct()) }
+    }
+
     fun getProfileToken(profileId: String): String? = requirePrefs().getString("token_$profileId", null)
 
     fun setProfileToken(