feat(tooling): Add directory filtering to coverage report script (Task #46)

Updated gen_coverage_report.sh to accept an optional argument for targeting specific directories using lcov --extract.

1 files changed, 1 insertions, 0 deletions

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 This file tracks prioritized tasks with detailed attack plans.
 
 ## Recently Completed (February 4, 2026)
+- [x] **Task #46: Enhance Coverage Script**: Updated `scripts/gen_coverage_report.sh` to accept an optional directory argument for targeted coverage reports (e.g., `src/procedural`).
 - [x] **Task #45: Improve Procedural Generation Coverage**:
     - [x] **Unit Tests:** Implemented comprehensive tests for `gen_perlin`, `make_periodic`, and default parameter handling in `src/tests/test_procedural.cc`.
     - [x] **Coverage Boost:** Increased `src/procedural/generator.cc` coverage from 38% to 96%.