feat: support extending completed projects in mgw:project#67
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snipcodeit merged 4 commits intomainfrom Feb 27, 2026
Merged
feat: support extending completed projects in mgw:project#67snipcodeit merged 4 commits intomainfrom
snipcodeit merged 4 commits intomainfrom
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- New mergeProjectState(newMilestones, newPhaseMap, newCurrentMilestone) function - Loads existing project state, appends milestones, merges phase_map - Preserves all existing data (completed milestones, project config, board) - Sets current_milestone to point at first new milestone (1-indexed) - Writes merged state back via writeProjectState - Exported alongside existing state functions
- verify_repo detects all-milestones-complete via ALL_COMPLETE check - Sets EXTEND_MODE=true, EXISTING_MILESTONE_COUNT, EXISTING_PHASE_COUNT - gather_inputs loads existing metadata and asks for new work in extend mode - create_issues initializes GLOBAL_PHASE_NUM from EXISTING_PHASE_COUNT in extend mode - create_project_board reuses existing board via project.project_board in extend mode - write_project_json calls mergeProjectState instead of full write in extend mode - report shows PROJECT EXTENDED banner in extend mode - success_criteria includes extend mode criterion - Non-extend path (Project already initialized exit) preserved
- Add 'Extending a Completed Project' workflow walkthrough section - Update /mgw:project command reference with extend mode description - Add FAQ entry 'How do I add more milestones after completing all of them?'
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Testing ProceduresPrerequisites
Test Steps1. Fresh Init (regression check) # In a new repo without .mgw/project.json
/mgw:project
# Expected: normal fresh initialization flow2. Incomplete Milestones (regression check) # In a repo with active milestones (current_milestone <= len(milestones))
/mgw:project
# Expected: "Project already initialized. Run /mgw:milestone to continue."3. Extend Mode (new behavior) # In a repo where all milestones are done (current_milestone > len(milestones))
/mgw:project
# Expected: detects all complete, prompts for new milestone scope
# Verify: existing milestones preserved, new ones appended
# Verify: phase numbers continue from max existing (not restart at 1)
# Verify: existing GitHub Projects board reused4. State Integrity # After extend, check .mgw/project.json
node -e "const s = require('./lib/state.cjs'); console.log(JSON.stringify(s.loadProjectState(), null, 2))"
# Verify: old milestones intact, new milestones appended
# Verify: current_milestone points to first new milestone
# Verify: phase_map merged correctly5. lib/state.cjs Export Check node -e "const s = require('./lib/state.cjs'); console.log(Object.keys(s))"
# Expected: all original exports plus mergeProjectState |
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Summary
/mgw:project— when all milestones are complete, detects this state and offers to extend with new milestones instead of blocking with "Project already initialized"mergeProjectState()tolib/state.cjsfor append-based milestone merging that preserves existing project dataCloses #55
Changes
lib/state.cjsmergeProjectState(newMilestones, newPhaseMap, newCurrentMilestone)functioncommands/project.mdverify_repo: detects all-milestones-complete state, setsEXTEND_MODE=truegather_inputs: in extend mode, loads existing project context, asks only for new milestone scopecreate_issues:GLOBAL_PHASE_NUMstarts at existing phase count (continuation)create_project_board: reuses existing board viaproject.project_board.numberwrite_project_json: callsmergeProjectStateinstead of full overwrite in extend modereport: shows "PROJECT EXTENDED" banner with new/total countssuccess_criteria: updated for extend modedocs/USER-GUIDE.md/mgw:projectTest Plan
/mgw:projecton a repo with noproject.json— should behave as before (fresh init)/mgw:projecton a repo with incomplete milestones — should exit with "Project already initialized"/mgw:projecton a repo with all milestones complete (current_milestone > len(milestones)) — should enter extend modemergeProjectStatepreserves existing milestone data while appending new oneslib/state.cjsstill exports all original functions (no regression)Verification
All 7 must-haves verified against actual codebase:
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