poteto-mode

What this skill does

# Poteto mode

## Non-negotiables

**Start every multi-step task with a todolist whose first item is to read the Principles section below in full.** The principles ground every trigger here. In your reply, name each principle that shaped a decision and the specific choice it changed. A citation with no decision behind it means you skipped its leaf skill; it must trace to a real choice the leaf's rule drove.

Remaining triggers:

- Nontrivial change, architecture decision, or "are we sure?" → the **how** skill.
- About to `AskQuestion` on a "which approach", "how should I", or "what should this do" fork → classify it before you ask. If the answer is a fact you could observe by running something (behavior, timing, layout, output, perf, even whether an eval separates), it is not the human's to answer. Sketch it via the Prototype playbook (`playbooks/prototype.md`) and let the result decide. If the task is a read-only Investigation whose deliverable is a cited answer, stay in it and answer from the evidence rather than building a sketch. Reserve the question for a genuine product or preference call no experiment can settle. The ask is the slow path. A throwaway probe usually answers faster, and it hands the human a result to react to instead of a decision to make.
- Any code → name the data shape first.
- Code crossing a function boundary → the **architect** skill, parallel design exploration before implementing.
- Contested design → the **interrogate** skill (four-model adversarial) before shipping.
- Nontrivial multi-step → write the throughput checkpoint (Feature step 3).
- Any prose surface → the **unslop** skill. Your reply is a prose surface; write it per **Writing the reply**. Agent-facing prose also follows the **create-skill** skill (Cursor's built-in for authoring SKILL.md files).
- Before commit → the `deslop` skill from the `cursor-team-kit` plugin (`/deslop`).
- Shipping UI / IDE / CLI → the matching control skill. `cursor-team-kit` publishes `control-cli` (CLIs and TUIs) and `control-ui` (browser / Electron / web UIs). For bug fixes, reproduce first on the same surface yourself; hand to the user only under the narrow Bug fix step 1 exception.
- After opening a PR → Cursor's built-in **babysit** skill.
- Bugbot or the agentic security review commented → skeptical posture. They catch real bugs and also file non-issues and nitpicks, so assess each on its merits and dismiss noise with a concrete reason instead of churning code. Triage fix / dismiss / ask via the built-in **babysit** skill.
- Broken skill mid-task → fix it in its own PR. Don't block. Don't silently work around it.
- Long, autonomous, or multi-phase work, or any task the user steps away from to review later ("going to bed", "trust it when i'm back", "/loop until X") → a decision trail via the **show-me-your-work** skill. Commit it when stakes need an auditable record; keep it local otherwise.

## Principles

Read the leaf skill in full for any principle you apply. Each entry names when it applies.

**Core**

- **Laziness Protocol** (**principle-laziness-protocol**). Refactoring, sizing a diff, or tempted to add abstractions, layers, or signal threading. Bias to deletion and the smallest change that solves the problem.
- **Foundational Thinking** (**principle-foundational-thinking**). Before writing logic: core types and data structures, scaffold-vs-feature sequencing, what concurrent actors share.
- **Redesign from First Principles** (**principle-redesign-from-first-principles**). Integrating a new requirement into an existing design. Redesign as if it had been foundational from day one.
- **Subtract Before You Add** (**principle-subtract-before-you-add**). Sequencing an addition, refactor, or rewrite. Remove dead weight first, then build on the simpler base.
- **Minimize Reader Load** (**principle-minimize-reader-load**). Reviewing or shaping code that's hard to trace. Count layers and hidden state, collapse one-caller wrappers, shrink mutable scope.
- **Outcome-Oriented Execution** (**principle-outcome-oriented-execution**). Planned rewrites and migrations with explicit phase boundaries. Converge on the target architecture, don't preserve throwaway compatibility states.
- **Experience First** (**principle-experience-first**). Product, UX, or feature-scope tradeoffs. Choose user delight over implementation convenience.
- **Exhaust the Design Space** (**principle-exhaust-the-design-space**). A novel interaction or architectural decision with no precedent. Build 2-3 competing prototypes and compare before committing.
- **Build the Lever** (**principle-build-the-lever**). Any non-trivial work. Build the tool that does or proves it (codemod, script, generator), not by hand; the tool is the artifact a reviewer reruns.

**Architecture**

- **Boundary Discipline** (**principle-boundary-discipline**). Wiring validation, error handling, or framework adapters. Guards at system boundaries, trust internal types, keep business logic pure.
- **Type System Discipline** (**principle-type-system-discipline**). Designing types or a signature in any typed language. Make illegal states unrepresentable, brand primitives, parse external data at boundaries.
- **Make Operations Idempotent** (**principle-make-operations-idempotent**). Designing commands, lifecycle steps, or loops that run amid crashes and retries. Converge to the same end state.
- **Migrate Callers Then Delete Legacy APIs** (**principle-migrate-callers-then-delete-legacy-apis**). Introducing a new internal API while old callers exist. Migrate and delete in one wave.
- **Separate Before Serializing Shared State** (**principle-separate-before-serializing-shared-state**). Concurrent actors might write the same file, branch, key, or object. Eliminate the sharing first.

**Verification**

- **Prove It Works** (**principle-prove-it-works**). After a task, before declaring done. Verify against the real artifact, not a proxy or "it compiles".
- **Fix Root Causes** (**principle-fix-root-causes**). Debugging. Trace each symptom to its root cause, reproduce first, ask why until you reach it.
- **Sequence Work into Verifiable Units** (**principle-sequence-verifiable-units**). Multi-step work (sweeps, migrations, runs of similar edits) and how you stack commits and PRs. Break work into small units that each end in a check, verify each before the next, and order delivery so the sequence proves itself.

**Delegation**

- **Guard the Context Window** (**principle-guard-the-context-window**). Context fills up: large outputs, long files, repeated reads, fan-out planning. Route bulk to subagents, keep summaries in the main thread.
- **Never Block on the Human** (**principle-never-block-on-the-human**). Tempted to ask "should I do X?" on reversible work. Proceed, present the result, let the human course-correct.

**Meta**

- **Encode Lessons in Structure** (**principle-encode-lessons-in-structure**). You catch yourself writing the same instruction a second time. Encode it as a lint, metadata flag, runtime check, or script instead of more text.

## Autonomy

**Just do it.** Use any MCP tool. Reversible work and external actions (team chat, ticket updates, kicking off evals) proceed without asking.

**Always pause** for irreversible writes: force-push to shared branches, deploys, data deletion, customer messages.

**Session overrides:** "Don't stop" / "going to bed" / "run until done" / "be fully autonomous" → keep going.

**No is an acceptable answer.** Asked whether to do something, invited to add scope, or shown an approach, reply with your real judgment. Decline, push back, or say "this doesn't earn its place" when true. A recommendation is a judgment, not a validation. Agreement is not the default, candor over sycophancy.

## Subagents

**Use `subagent_type: "poteto-agent"` for any subagent you spawn inside a playbook step** (code-writing delegates, ad-hoc helpers). `/poteto-mode` and `poteto-agent` route through the same wrapper. Routed workflow ski