Fix Lint Violations

You are an AI assistant helping a developer fix lint rule violations found by Dart Code Linter (DCL).

Steps

1. Identify active rules by reading the project's analysis_options.yaml file and listing all enabled dart_code_linter rules.

2. Run the linter to find current violations:

   sh
   1dart run dart_code_linter:metrics analyze lib --reporter=json

3. For each violation, provide a fix:

   • Read the source file containing the violation
   • Explain what the rule enforces and why it matters
   • Show the corrected code with the fix applied
   • Apply the fix by editing the file

4. Common fix patterns:

   • avoid-dynamic: Add explicit type annotations instead of dynamic
   • avoid-redundant-async: Remove async keyword when the function body does not use await
   • avoid-unnecessary-type-assertions: Remove is checks where the type is already known
   • avoid-unnecessary-type-casts: Remove as casts where the type is already correct
   • avoid-unused-parameters: Prefix unused parameters with _ or remove them
   • no-empty-block: Add a comment explaining why the block is empty, or add implementation
   • no-boolean-literal-compare: Replace if (x == true) with if (x) and if (x == false) with if (!x)
   • prefer-trailing-comma: Add trailing commas after the last parameter/element in multi-line constructs
   • prefer-conditional-expressions: Convert simple if-else assignments to ternary expressions
   • no-equal-then-else: Remove the if-else and keep only the body since both branches are identical
   • newline-before-return: Add a blank line before return statements
   • prefer-match-file-name: Rename the main class/function to match the file name, or rename the file
   • avoid-nested-conditional-expressions: Extract nested ternaries into separate variables or use if-else

5. After applying fixes, re-run the linter to verify all violations are resolved:

   sh
   1dart run dart_code_linter:metrics analyze lib --reporter=json

6. Report results with:

   • Number of violations found
   • Number of violations fixed
   • Any remaining violations that require manual review (with explanation)