Fix: App Pin & Downloads (Filesystem Changes)

src-tauri/capabilities/default.json

@@ -43,6 +43,8 @@
     "discord-rpc:allow-disconnect",
     "discord-rpc:allow-set-activity",
     "discord-rpc:allow-clear-activity",
-    "discord-rpc:allow-is-running"
+    "discord-rpc:allow-is-running",
+    "dialog:default",
+    "dialog:allow-open"
   ]
 }

src-tauri/src/commands/storage.rs

@@ -2,10 +2,58 @@ use serde::Serialize;
 use std::path::PathBuf;
 use sysinfo::Disks;
 use tauri::Emitter;
+use tauri_plugin_store::StoreExt;
 use walkdir::WalkDir;
 
 use crate::server::resolve::suwayomi_data_dir;
 
+// ── Key-value store (used by the frontend via platformService) ────────────────
+
+#[tauri::command]
+pub fn load_store(app: tauri::AppHandle, key: String) -> Result<Option<String>, String> {
+    let store = app
+        .store(format!("{}.json", key))
+        .map_err(|e| e.to_string())?;
+    let value = store.get(&key);
+    Ok(value.map(|v| v.to_string()))
+}
+
+#[tauri::command]
+pub fn save_store(app: tauri::AppHandle, key: String, value: String) -> Result<(), String> {
+    let store = app
+        .store(format!("{}.json", key))
+        .map_err(|e| e.to_string())?;
+    let parsed: serde_json::Value =
+        serde_json::from_str(&value).map_err(|e| e.to_string())?;
+    store.set(key, parsed);
+    store.save().map_err(|e| e.to_string())
+}
+
+// ── Credential store (PIN-encrypted vault, auth tokens) ──────────────────────
+
+#[tauri::command]
+pub fn store_credential(app: tauri::AppHandle, key: String, value: String) -> Result<(), String> {
+    let store = app
+        .store("credentials.json")
+        .map_err(|e| e.to_string())?;
+    if value.is_empty() {
+        store.delete(&key);
+    } else {
+        store.set(&key, serde_json::Value::String(value));
+    }
+    store.save().map_err(|e| e.to_string())
+}
+
+#[tauri::command]
+pub fn get_credential(app: tauri::AppHandle, key: String) -> Result<Option<String>, String> {
+    let store = app
+        .store("credentials.json")
+        .map_err(|e| e.to_string())?;
+    Ok(store.get(&key).and_then(|v| v.as_str().map(|s| s.to_owned())))
+}
+
+// ── Disk / downloads storage ─────────────────────────────────────────────────
+
 #[derive(Serialize)]
 pub struct StorageInfo {
     pub manga_bytes: u64,
@@ -127,4 +175,4 @@ pub async fn migrate_downloads(
 
     fs::remove_dir_all(&src_path).map_err(|e| e.to_string())?;
     Ok(())
-}
+}

src-tauri/src/lib.rs

@@ -108,6 +108,10 @@ pub fn run() {
             commands::backup::auto_backup_app_data,
             commands::backup::get_auto_backup_dir,
             commands::backup::read_store_files,
+            commands::storage::load_store,
+            commands::storage::save_store,
+            commands::storage::store_credential,
+            commands::storage::get_credential,
             commands::updater::list_releases,
             commands::updater::download_and_install_update,
             commands::biometric::windows_hello_authenticate,