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W0 (Scaffold) Completion Report
Source: plans/codemod-engine-briefs/W0-COMPLETION-REPORT.md at 8a2cb42ad · last changed 2026-07-27 · first committed 2026-07-27 · 108 lines.
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Plan text
W0 (Scaffold) Completion Report
Date: 2026-07-27
Status: ✅ COMPLETE
Duration: ~15 minutes
Agent: Haiku (fast, cheap, mechanical tasks)
Summary
Wave 0 successfully generated the foundational skeleton code for the SPEC-110 codemod engine using the gen-skeleton tool and the Mermaid class diagram contract.
Deliverables
1. Dependencies Installed
- ✅
libcst>=1.8.6(CST parsing with native Rust parser) - ✅
xxhash>=3.0.0(content fingerprinting, 5 GB/s) - ✅
psutil>=7.2.2(RSS measurement, already installed)
2. Skeleton Files Generated (20 files, 1,649 lines)
Core modules:
report.py- Data structures (ChangeEntry, ChangeSet, Finding, CommitReport)workspace.py- CodemodWorkspace main entry point_csr_index.py- CSR adjacency arrays for O(1) graph queries_cig.py- CodeIntelligenceGraph with 11 query methodspasses.py- TransformPass protocol + 5 built-in passesreview.py- ReviewPass protocol + 4 built-in review checks_types.py- Type stubs for unresolved types
Daemon architecture:
daemon.py- CodemodDaemon (start/stop/status/restart)server.py- CodemodServer (Unix socket IPC)client.py- CodemodClient (JSON-RPC client)watcher.py- FileWatcher (inotify file watching)
Observability:
observability/events.py- CodemodEvent + CodemodEventType enumobservability/tracing.py- TracingObserver (structured JSON spans)observability/metrics.py- MetricsObserver (Prometheus counters)observability/debug_panel.py- DebugPanelObserver (NDJSON traces)observability/error_detector.py- ErrorDetector (pattern alerts)observability/graph_writer.py- GraphWriterObserver (async graph DB writes)
Persistence:
persistence/repository.py- CodemodGraphRepository protocol + BoltSyncCodemodRepository
Package structure:
__init__.py- Public API exportsobservability/__init__.py- Emptypersistence/__init__.py- Empty
3. Trace Map Generated
- ✅
plans/contracts/spec-110-trace-map.json- REQ-to-class/method mapping
4. Smoke Test Passed
- ✅ All skeleton classes can be imported
- ✅ All skeleton files are syntactically valid Python
- ✅ No circular import errors
Gate 0 Results
# Syntax check
$ .venv/bin/python -m py_compile src/orchestrata_ultimate/refactor/codemod/*.py
✓ No errors
# Import check
$ .venv/bin/python -c "from orchestrata_ultimate.refactor.codemod import *"
✓ All imports successful
# File count
$ find src/orchestrata_ultimate/refactor/codemod -name "*.py" -type f | wc -l
20
# Line count
$ find src/orchestrata_ultimate/refactor/codemod -name "*.py" -type f -exec wc -l {} + | tail -1
1649 total
Notes
-
Skeleton code has no implementation - All methods raise
NotImplementedErrorwith# IMPLEMENT:comments marking where agents will add logic in W1-W5. -
Type stubs created -
_types.pycontains stub classes for unresolved types (Module, CIGNode, BreakingChange, etc.) that will be replaced with real implementations in later waves. -
Forward references used - Some modules use forward references (e.g.,
class CodemodWorkspace: pass) to avoid circular imports. These will be resolved when the actual implementations are added. -
gen-skeleton warnings - The tool warned that 27 classes had no
<<stereotype>>annotation and were treated as<<class>>(plain composed service). This is expected and correct for this architecture.
Handoff to W1
W1 (Forest + Sentinel) will implement:
- FOREST agent (Qwen Max): workspace.py, _csr_index.py, _cig.py, _cig_builder.py
- SENTINEL agent (Sonnet): txn.py
Both agents will use the skeleton data structures from W0 (ChangeEntry, ChangeSet, Finding, etc.) and implement the actual logic.
Next Steps
- ✅ W0 complete - skeleton generated
- ⏳ W1 - Forest + Sentinel (parallel agents)
- ⏳ W2 - Architect + Reviewer (parallel agents)
- ⏳ W3 - Integrator (CLI + SPEC-109 interop)
- ⏳ W4 - Persistence (graph database writes)
- ⏳ W5 - C Extension (performance optimization)
- ⏳ W6 - Quality (gates + coverage)