fix: P0 Advanced Mode timeout synthesis + CodeRabbit recommendations

feat: Implement Free Tier synthesis using HuggingFace Inference

fix: use logger.error with stack trace for synthesis failures (CodeRabbit)

feat(ui): force dark mode for api key input and enhance synthesis error handling

fix(SPEC_11): address CodeRabbit review feedback (#92)

feat: SPEC_10 - Domain-Agnostic Refactor + License Fix (#87)

feat(SPEC-08): Integrate shared memory layer + CodeRabbit fixes (#74)

fix(P0): Implement SPEC_06 - Simple Mode Synthesis Fix (#71)

feat: add service loader + SPEC_06 + P0 bug report

fix: Address audit findings in orchestrators package

refactor: Organize orchestrators into dedicated package