feat: add built-in Tidal/Qobuz search with recommended service picker

- Add SearchAll() for Tidal and Qobuz in Go backend (tracks, artists, albums)
- Add searchTidalAll/searchQobuzAll platform routing for Android and iOS
- Add Tidal/Qobuz options to search provider dropdown in home tab
- Show (Recommended) label and auto-select service in download picker

pubspec.lock

@@ -169,6 +169,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.2"
+  code_assets:
+    dependency: transitive
+    description:
+      name: code_assets
+      sha256: "83ccdaa064c980b5596c35dd64a8d3ecc68620174ab9b90b6343b753aa721687"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
   code_builder:
     dependency: transitive
     description:
@@ -509,6 +517,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.3.2"
+  hooks:
+    dependency: transitive
+    description:
+      name: hooks
+      sha256: e79ed1e8e1929bc6ecb6ec85f0cb519c887aa5b423705ded0d0f2d9226def388
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.2"
   http:
     dependency: "direct main"
     description:
@@ -661,6 +677,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.6.1"
+  native_toolchain_c:
+    dependency: transitive
+    description:
+      name: native_toolchain_c
+      sha256: "6ba77bb18063eebe9de401f5e6437e95e1438af0a87a3a39084fbd37c90df572"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.17.6"
   nm:
     dependency: transitive
     description:
@@ -1082,6 +1106,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.5.6"
+  sqflite_common_ffi:
+    dependency: "direct main"
+    description:
+      name: sqflite_common_ffi
+      sha256: c59fcdc143839a77581f7a7c4de018e53682408903a0a0800b95ef2dc4033eff
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.0+2"
   sqflite_darwin:
     dependency: transitive
     description:
@@ -1098,6 +1130,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.4.0"
+  sqlite3:
+    dependency: transitive
+    description:
+      name: sqlite3
+      sha256: caa693ad15a587a2b4fde093b728131a1827903872171089dedb16f7665d3a91
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.0"
   stack_trace:
     dependency: transitive
     description: