[QA] ✅ VERIFIED - All acceptance criteria passed ## Verification Results 1. ✅ pip install -e . succeeds 2. ✅ Both libraries import successfully (phart 1.1.4, networkx 3.6.1) 3. ✅ uv.lock updated correctly ## Testing - Installation: SUCCESS - Imports: SUCCESS - Functionality: SUCCESS - Regression: NO NEW FAILURES (403 tests passed) ## Note Pre-existing test failures (2 failed + 31 errors) verified to exist BEFORE PLOW-14 (commit cba139f). Unrelated to this change. Full report: /tmp/qa-PLOW-14.md

## Completed: Added phart and networkx dependencies ### Changes Made - Added `phart>=0.1.0` to pyproject.toml dependencies - Added `networkx>=3.0` to pyproject.toml dependencies - Updated uv.lock with the new dependencies (phart 1.1.4, networkx 3.6.1) ### Verification All acceptance criteria verified: 1. pip install -e . succeeds - package installs correctly 2. python -c 'import phart; import networkx' works - both libraries import successfully 3. uv sync updates the lock file - lock file updated with new entries ### Files Modified - pyproject.toml:36-37 (added two dependency lines) - uv.lock (auto-generated, added networkx and phart package entries) ### Note Some pre-existing test failures exist related to a missing prompts/fragments/trckr-instructions.j2 file. These are unrelated to this change and were present before this PR.