drop sqlite3 and use .log, optimize some code

pubspec.lock

@@ -49,14 +49,6 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.1.2"
-  code_assets:
-    dependency: transitive
-    description:
-      name: code_assets
-      sha256: "83ccdaa064c980b5596c35dd64a8d3ecc68620174ab9b90b6343b753aa721687"
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.0.0"
   collection:
     dependency: transitive
     description:
@@ -105,14 +97,6 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.5"
-  file:
-    dependency: transitive
-    description:
-      name: file
-      sha256: a3b4f84adafef897088c160faf7dfffb7696046cb13ae90b508c2cbc95d3b8d4
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "7.0.1"
   fixnum:
     dependency: transitive
     description:
@@ -144,22 +128,6 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  glob:
-    dependency: transitive
-    description:
-      name: glob
-      sha256: c3f1ee72c96f8f78935e18aa8cecced9ab132419e8625dc187e1c2408efc20de
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "2.1.3"
-  hooks:
-    dependency: transitive
-    description:
-      name: hooks
-      sha256: "5d309c86e7ce34cd8e37aa71cb30cb652d3829b900ab145e4d9da564b31d59f7"
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.0.0"
   http:
     dependency: "direct main"
     description:
@@ -256,14 +224,6 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.17.0"
-  native_toolchain_c:
-    dependency: transitive
-    description:
-      name: native_toolchain_c
-      sha256: "89e83885ba09da5fdf2cdacc8002a712ca238c28b7f717910b34bcd27b0d03ac"
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "0.17.4"
   nested:
     dependency: transitive
     description:
@@ -357,30 +317,6 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.10.1"
-  sqflite_common:
-    dependency: transitive
-    description:
-      name: sqflite_common
-      sha256: "6ef422a4525ecc601db6c0a2233ff448c731307906e92cabc9ba292afaae16a6"
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "2.5.6"
-  sqflite_common_ffi:
-    dependency: "direct main"
-    description:
-      name: sqflite_common_ffi
-      sha256: c59fcdc143839a77581f7a7c4de018e53682408903a0a0800b95ef2dc4033eff
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "2.4.0+2"
-  sqlite3:
-    dependency: transitive
-    description:
-      name: sqlite3
-      sha256: "00e5e65f8e9b556ed3d999ad310881c956ffb656ed96bea487a4c50ffdff6d14"
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "3.1.3"
   stack_trace:
     dependency: transitive
     description:
@@ -494,5 +430,5 @@ packages:
     source: hosted
     version: "3.1.3"
 sdks:
-  dart: ">=3.10.0-0 <4.0.0"
+  dart: ">=3.8.0 <4.0.0"
   flutter: ">=3.18.0-18.0.pre.54"