feat: Enhance TTS player functionality and UI

- Added resume functionality to TTS player when paused.
- Display voice name or language in TTS player UI.
- Improved error handling in reader provider with debug messages.
- Updated TTS service to configure Vietnamese voice and handle platform-specific audio settings.
- Removed wakelock dependency and related code.
- Fixed search screen error handling.
- Updated settings screen to navigate to home after sign out.
- Improved splash screen with timer management.
- Enhanced main app error handling with logging.
- Removed unused package_info_plus and wakelock_plus dependencies.
- Added environment variable support for mobile runtime.
- Integrated Google Sign-In configuration for Android.
- Created logging observer for Riverpod providers.
- Added scripts for environment setup and Google Sign-In validation.

scripts/flutter_run_with_env.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
+ENV_FILE="$ROOT_DIR/.env.mobile"
+
+if [[ ! -f "$ENV_FILE" ]]; then
+  echo "Missing $ENV_FILE"
+  echo "Create it from .env.mobile.example"
+  exit 1
+fi
+
+get_env() {
+  local key="$1"
+  awk -F'=' -v k="$key" '$1==k{print substr($0, index($0,$2)); exit}' "$ENV_FILE" | sed 's/^"//; s/"$//'
+}
+
+BASE_URL="$(get_env BASE_URL)"
+GOOGLE_SERVER_CLIENT_ID="$(get_env GOOGLE_SERVER_CLIENT_ID)"
+GOOGLE_CLIENT_ID="$(get_env GOOGLE_CLIENT_ID)"
+
+if [[ -z "$BASE_URL" ]]; then
+  echo "BASE_URL is required in $ENV_FILE"
+  exit 1
+fi
+
+if [[ -z "$GOOGLE_SERVER_CLIENT_ID" ]]; then
+  echo "GOOGLE_SERVER_CLIENT_ID is required in $ENV_FILE"
+  exit 1
+fi
+
+cd "$ROOT_DIR"
+
+if [[ -n "$GOOGLE_CLIENT_ID" ]]; then
+  flutter run \
+    --dart-define=BASE_URL="$BASE_URL" \
+    --dart-define=GOOGLE_SERVER_CLIENT_ID="$GOOGLE_SERVER_CLIENT_ID" \
+    --dart-define=GOOGLE_CLIENT_ID="$GOOGLE_CLIENT_ID" \
+    "$@"
+else
+  flutter run \
+    --dart-define=BASE_URL="$BASE_URL" \
+    --dart-define=GOOGLE_SERVER_CLIENT_ID="$GOOGLE_SERVER_CLIENT_ID" \
+    "$@"
+fi