Otto

Product Idea: $ARGUMENTS

Autonomous Behavior

All skills are invoked via subagents.

When a skill asks questions or requests confirmation:

• Auto-select "(Recommended)" options
• Auto-approve specs, plans, and confirmations

Phase Reference

Workflow

Before each phase (except init): verify git branch --show-current matches otto/${session_id}. If not, git checkout otto/${session_id}.

Phase: init

Create session:

session_id="otto-$(date +%Y%m%d-%H%M%S)-$(openssl rand -hex 2)"
mkdir -p .otto/otto/sessions/${session_id}

Initialize state.json:

{
  "session_id": "{session_id}",
  "status": "in_progress",
  "product_idea": "{product_idea}",
  "spec_id": null,
  "current_phase": "init",
  "current_session_id": null,
  "sessions": { "total": 0, "completed": 0 }
}

Create feature branch:

git checkout -b otto/${session_id}

Update current_phase → spec

Phase: spec

Invoke /spec {product_idea}

Verify: .otto/specs/{id}.md exists. If not, retry.

After verification:

• Update spec_id in state.json
• Update current_phase → task

Phase: task

Invoke /task {spec_name_or_id}

Verify: .otto/tasks/{spec_id}.json exists with sessions array. If not, retry.

Update sessions.total in state.json.

Per-Session Loop

Invoke /next session status

Returns the next session id without implementing.

If no unblocked sessions and all are "done": proceed to Phase: build. If no unblocked sessions but some blocked: report "{n} sessions blocked."

After /next session status returns:

• Update current_session_id → {id}
• Update current_phase → session:{id}:implement

Phase: session:{id}:implement

Invoke /next session

Subagent implements tasks using specialized agents:

• Frontend tasks → frontend-developer
• Backend tasks → backend-architect

(Subagent implements all tasks in the session, updating each task status as it goes)

Update current_phase → session:{id}:test

Phase: session:{id}:test

Invoke /test write staged

Update current_phase → session:{id}:verify

Phase: session:{id}:verify

Invoke /verify

Launches the built app and verifies against spec criteria for this session. Hard gate — loops (diagnose → fix → rebuild → re-verify) until all criteria pass.

Update current_phase → session:{id}:review

Phase: session:{id}:review

Invoke /review staged (creates fix plan)

Uses specialized reviewers based on change type:

• Architectural changes → architect-reviewer
• Implementation changes → senior-code-reviewer

If review finds P0/P1 issues:

• Update current_phase → session:{id}:fix

Otherwise:

• Increment sessions.completed

Phase: session:{id}:fix

Invoke /review fix P0-P1 (implements P0/P1 fixes)

• Increment sessions.completed
• If more pending sessions: Return to Per-Session Loop
• If no more sessions: Update current_phase → build

Checkpoint commit every 2 sessions:

git add -A && git commit -m "otto: checkpoint - {completed}/{total} sessions"

Phase: build

log_file=".otto/otto/sessions/${session_id}/build.log"
npm run build > >(tee "$log_file") 2>&1

Verify: Build exits 0. If not, fix issues and retry.

Update current_phase → test

Phase: test

Invoke /test all

Update current_phase → verify

Phase: verify

Invoke /verify

Final verification against all spec criteria. Hard gate — loops until all pass.

Update current_phase → review

Phase: review

Invoke /review branch (creates fix plan)

If review finds P0/P1 issues:

• Update current_phase → review:fix

Otherwise:

• Update current_phase → summary

Phase: review:fix

Invoke /review fix P0-P1 (implements P0/P1 fixes)

Final commit:

git add -A && git commit -m "otto: complete - {completed}/{total} sessions"

Update current_phase → summary

Phase: summary

Invoke /summary

Set status → completed

Open the generated summary in the default browser:

open .otto/summaries/{branch}-{date}.html

Announce:

Session complete!
- Sessions: {completed}/{total}
- Branch: otto/{session_id}
- Summary: .otto/summaries/{branch}-{date}.html

Recovery

When /otto is invoked, check for existing session:

1. Check .otto/otto/sessions/ for state.json with status: "in_progress"
2. Read current_phase and current_session_id
3. Offer to resume or start fresh
4. If resuming, verify branch matches otto/${session_id}. If on wrong branch, switch: git checkout otto/${session_id}
5. Continue from current_phase

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