Coldaine · Coldaine · Oct 8, 2025
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+# Domain-Based Refactor Execution (October 2025)
+
+**Date:** 2025-10-08
+**Branch Split:** `anchor/oct-06-2025` → 9 domain-based PRs
+**Execution Agent:** Agent-1 (Splitter) + Build Validator
+**Status:** Phase 1-3 Complete, Phase 4-6 In Progress
+
+---
+
+## Overview
+
+This directory contains the complete execution artifacts from splitting the monolithic refactor branch (`anchor/oct-06-2025`, 108 files, 56 commits) into 9 domain-based stacked PRs using Graphite.
+
+**Strategy:** Domain-based split following crate boundaries for minimal conflicts and parallel review opportunities.
+
+**PRs Created:** #123 → #124 → #125 → #126 → #127 → #128 → #129 → #130 → #131
+
+---
+
+## Files in This Directory
+
+### 1. `split-validation.log` (21 KB)
+**Complete execution log** documenting all 3 phases:
+
+- **Phase 1 (Split):** Branch creation, file routing decisions, commit creation
+- **Phase 2 (Validation):** Build verification, test execution, dependency fixes
+- **Phase 3 (PR Creation):** PR metadata, stack integrity, size compliance
+
+**Includes:**
+- All decisions made during execution
+- Issues encountered and resolutions
+- Quality metrics and compliance checks
+- Lessons learned and recommendations
+
+**Use this for:** Historical record, troubleshooting, future refactor planning
+
+---
+
+### 2. `pr-stack-summary.md` (11 KB)
+**Executive summary** of the entire execution:
+
+- Quick reference with all PR links
+- Stack visualization diagram
+- Timeline and execution metrics
+- Review checklist template
+- Merge protocol and automation guide
+- Success criteria tracking
+
+**Use this for:** Quick reference, stakeholder updates, review coordination
+
+---
+
+### 3. `pr-stack-tracker.md` (7.4 KB)
+**Live progress tracker** for Phases 4-6:
+
+- Per-PR status with checkboxes
+- Review assignments (empty, ready to fill)
+- Phase progress bars
+- Blocking relationships and dependencies
+- Daily standup template
+
+**Use this for:** Active tracking during review/merge phases, standup updates
+
+---
+
+### 4. `merge-stack.sh` (7.2 KB, executable)
+**Automated merge orchestration script:**
+
+- Checks prerequisites (gh CLI, Graphite)
+- Validates CI status and approvals
+- Sequential merge with `gt sync` after each PR
+- Special handling for PR #127 (dual dependency)
+- Dry-run mode for testing
+- Resume capability for interrupted runs
+
+**Usage:**
+```bash
+# Test the merge flow
+./merge-stack.sh --dry-run
+
+# Execute merges
+./merge-stack.sh
+
+# Resume from specific PR
+./merge-stack.sh --start-from 127
+```
+
+---
+
+## Quick Links
+
+**GitHub PRs:**
+- [PR #123](https://github.com/Coldaine/ColdVox/pull/123) - config-settings
+- [PR #124](https://github.com/Coldaine/ColdVox/pull/124) - audio-capture
+- [PR #125](https://github.com/Coldaine/ColdVox/pull/125) - vad
+- [PR #126](https://github.com/Coldaine/ColdVox/pull/126) - stt
+- [PR #127](https://github.com/Coldaine/ColdVox/pull/127) - app-runtime-wav
+- [PR #128](https://github.com/Coldaine/ColdVox/pull/128) - text-injection
+- [PR #129](https://github.com/Coldaine/ColdVox/pull/129) - testing
+- [PR #130](https://github.com/Coldaine/ColdVox/pull/130) - logging-observability
+- [PR #131](https://github.com/Coldaine/ColdVox/pull/131) - docs-changelog
+
+**Related Documentation:**
+- [Execution Plan](../../plans/graphite-split-execution-plan.md)
+- [Strategy Comparison](../../review/split-plan-comparison/refactor-split-strategy-comparison.md)
+- [Dependency Analysis](../../review/split-plan-comparison/dependency-graph-comparison.md)
+
+---
+
+## Execution Summary
+
+### Phase 1: Split ✅
+- **Duration:** ~2 hours
+- **Method:** File-based routing (automated via script + manual commits)
+- **Output:** 9 branches with standardized commits `[NN/09]`
+- **Issues:** 1 branch had incorrect files (fixed via reset + re-checkout)
+
+### Phase 2: Validation ✅
+- **Duration:** ~5 minutes
+- **Method:** Full-stack validation at tip (branch 09)
+- **Result:** `cargo check --workspace` PASS, E2E test PASS
+- **Fixes:** Added missing `config` dependency (propagated to all branches)
+
+### Phase 3: PR Creation ✅
+- **Duration:** ~3 minutes
+- **Method:** `gh pr create` with generated descriptions
+- **Output:** 9 PRs with complete metadata, correct stack dependencies
+- **Compliance:** All PRs within size guardrails
+
+### Phase 4: Reviews 🟡
+- **Status:** Awaiting reviewer assignment
+- **Timeline:** 10-12 days estimated (with parallelization)
+- **Parallel:** PRs #125 and #126 can be reviewed concurrently
+
+### Phase 5: Merge ⏳
+- **Status:** Pending review completion
+- **Automation:** `merge-stack.sh` script ready
+- **Critical:** PR #127 requires both #125 + #126 merged first
+
+### Phase 6: Cleanup ⏳
+- **Status:** Pending final merge
+- **Tasks:** Verification, documentation updates, artifact archival
+
+---
+
+## Key Metrics
+
+| Metric | Value |
+|--------|-------|
+| Total PRs | 9 |
+| Total Files | 126 (with overlap) |
+| LOC Added | ~9,074 |
+| LOC Removed | ~2,523 |
+| Net LOC | +6,551 |
+| Execution Time | ~2.1 hours (automated) |
+| Est. Review Time | 10-12 days |
+
+---
+
+## Critical Reminders
+
+⚠️ **PR #127 Dependency:** Requires BOTH #125 (vad) AND #126 (stt) merged before it can merge
+
+🔄 **Restack After Each Merge:** Run `gt sync` after merging each PR to update downstream branches
+
+⚡ **Parallel Review:** PRs #125 and #126 can be reviewed simultaneously to save time
+
+---
+
+## Lessons Learned
+
+### What Worked Well
+1. Full-stack validation strategy (fast, accurate, no false positives)
+2. Graphite restack (automatic propagation of fixes)
+3. File-based routing (clean domain boundaries)
+4. Force-with-lease push (safe remote updates)
+
+### What Could Improve
+1. Pre-commit dependency verification
+2. Script automation for commit creation
+3. Test output quieting (reduce ONNX logs)
+
+### Recommendations for Future
+1. Run `cargo check` on each branch before initial push
+2. Add dependency closure verification to split script
+3. Use `RUST_LOG=warn` for quieter validation runs
+
+---
+
+## Retrospective Items
+
+**To Discuss:**
+- Automation script effectiveness
+- Review timeline accuracy
+- Size guardrail appropriateness
+- Parallel review adoption
+
+**To Update:**
+- `graphite_split_by_file.sh` - add commit creation
+- CI workflow - add PR size warnings
+- Split strategy docs - incorporate learnings
+
+---
+
+## Archive Date
+
+**Created:** 2025-10-08 06:43 UTC
+**Archived By:** Agent-1 (Execution Agent)
+**Status at Archive:** Phase 3 complete, Phase 4-6 pending
+
+For current status, see `/tmp/pr-stack-tracker.md` or check PR status on GitHub.