feat(library): add sqlite-backed library sync and stats

BREAKING CHANGE: Library data is now stored in a database and will require an initial sync. Existing in-memory library data is no longer used.

src-tauri/Cargo.lock

@@ -2247,6 +2247,7 @@ version = "0.30.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2e99fb7a497b1e3339bc746195567ed8d3e24945ecd636e3619d20b9de9e9149"
 dependencies = [
+ "cc",
  "pkg-config",
  "vcpkg",
 ]
@@ -4153,6 +4154,8 @@ dependencies = [
  "smallvec",
  "thiserror 2.0.17",
  "time",
+ "tokio",
+ "tokio-stream",
  "tracing",
  "url",
 ]
@@ -4191,6 +4194,7 @@ dependencies = [
  "sqlx-postgres",
  "sqlx-sqlite",
  "syn 2.0.106",
+ "tokio",
  "url",
 ]
 
@@ -5019,6 +5023,17 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "tokio-stream"
+version = "0.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eca58d7bba4a75707817a2c44174253f9236b2d5fbd055602e9d5c07c139a047"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.7.16"

src-tauri/Cargo.toml

@@ -26,5 +26,5 @@ tauri-plugin-fs = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 tauri-plugin-http = { version = "2", features = ["unsafe-headers"] }
-tauri-plugin-sql = "2"
+tauri-plugin-sql = { version = "2", features = ["sqlite"] }
 

src-tauri/capabilities/default.json

@@ -55,6 +55,7 @@
         }
       ]
     },
-    "sql:default"
+    "sql:default",
+    "sql:allow-execute"
   ]
 }

src-tauri/src/lib.rs

@@ -1,3 +1,5 @@
+use tauri_plugin_sql::{Migration, MigrationKind};
+
 // Learn more about Tauri commands at https://tauri.app/develop/calling-rust/
 #[tauri::command]
 fn greet(name: &str) -> String {
@@ -6,8 +8,51 @@ fn greet(name: &str) -> String {
 
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
+    let migrations = vec![
+        Migration {
+            version: 1,
+            description: "create_library_tables",
+            sql: "
+                CREATE TABLE IF NOT EXISTS artists (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    name TEXT NOT NULL,
+                    path TEXT NOT NULL UNIQUE,
+                    album_count INTEGER DEFAULT 0,
+                    track_count INTEGER DEFAULT 0,
+                    primary_cover_path TEXT,
+                    last_scanned INTEGER,
+                    created_at INTEGER DEFAULT (strftime('%s', 'now'))
+                );
+
+                CREATE TABLE IF NOT EXISTS albums (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    artist_id INTEGER NOT NULL,
+                    artist_name TEXT NOT NULL,
+                    title TEXT NOT NULL,
+                    path TEXT NOT NULL UNIQUE,
+                    cover_path TEXT,
+                    track_count INTEGER DEFAULT 0,
+                    year INTEGER,
+                    last_scanned INTEGER,
+                    created_at INTEGER DEFAULT (strftime('%s', 'now')),
+                    FOREIGN KEY (artist_id) REFERENCES artists(id) ON DELETE CASCADE
+                );
+
+                CREATE INDEX IF NOT EXISTS idx_artists_name ON artists(name);
+                CREATE INDEX IF NOT EXISTS idx_albums_artist_id ON albums(artist_id);
+                CREATE INDEX IF NOT EXISTS idx_albums_year ON albums(year);
+                CREATE INDEX IF NOT EXISTS idx_albums_artist_title ON albums(artist_name, title);
+            ",
+            kind: MigrationKind::Up,
+        }
+    ];
+
     tauri::Builder::default()
-        .plugin(tauri_plugin_sql::Builder::new().build())
+        .plugin(
+            tauri_plugin_sql::Builder::new()
+                .add_migrations("sqlite:library.db", migrations)
+                .build()
+        )
         .plugin(tauri_plugin_http::init())
         .plugin(tauri_plugin_opener::init())
         .plugin(tauri_plugin_store::Builder::new().build())