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62 lines
4.6 KiB
Markdown
62 lines
4.6 KiB
Markdown
---
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name: GudaSpec: Plan
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description: Refine proposals into zero-decision executable task flows via multi-model analysis.
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category: GudaSpec
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tags: [gudaspec, plan, multi-model, pbt]
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allowed-tools: Bash(openspec:*), mcp__codex__codex, mcp__gemini__gemini
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argument-hint: [proposal_id]
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---
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<!-- GUDASPEC:START -->
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**Guardrails**
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- If the project is detected to lack `./openspec/` dir, prompt the user to initialize the project using `/gudaspec:init`.
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- Strictly adhere to **OpenSpec** rules when writing **standardized spec-structured projects**.
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- The goal of this phase is to eliminate ALL decision points from the task flow—implementation should be pure mechanical execution.
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- Do not proceed to implementation until every ambiguity is resolved and every constraint is explicitly documented.
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- Multi-model collaboration is mandatory: use both `mcp__codex__codex` and `mcp__gemini__gemini` to surface blind spots and conflicting assumptions.
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- Every requirement must have Property-Based Testing (PBT) properties defined—focus on invariants, not just example-based tests.
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- If constraints cannot be fully specified, escalate back to the user rather than making assumptions.
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**Steps**
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1. Run `openspec view` to display all **Active Changes**, then confirm with the user which proposal ID (`<proposal_id>`) they wish to refine into a zero-decision plan.
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2. Run `/opsx:continue <proposal_id>` then follow it to review the current specs and improve quality of specs.
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3. During the review progress, invoke both MCP tools to detect remaining ambiguities:
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- Use `mcp__codex__codex` tool, e.g. "Review proposal <proposal_id> for decision points that remain unspecified. List each as: [AMBIGUITY] <description> → [REQUIRED CONSTRAINT] <what must be decided>."
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- Use `mcp__gemini__gemini` tool, e.g. "Identify implicit assumptions in proposal <proposal_id>. For each assumption, specify: [ASSUMPTION] <description> → [EXPLICIT CONSTRAINT NEEDED] <concrete specification>."
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- **Anti-Pattern Detection** (flag and reject):
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- Information collection without decision boundaries (e.g., "JWT vs OAuth2 vs session—all viable")
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- Technical comparisons without selection criteria
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- Deferred decisions marked as "to be determined during implementation"
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- **Target Pattern** (required for approval):
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- Explicit technology choices with parameters (e.g., "JWT with accessToken TTL=15min, refreshToken TTL=7days")
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- Concrete algorithm selections with configurations (e.g., "bcrypt with cost factor=12")
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- Precise behavioral rules (e.g., "Lock account for 30min after 5 failed login attempts")
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- Use `AskUserQuestions` tool for ANY ambiguity, NEVER assume or guess.
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- **Iterate** with user until ALL ambiguities are resolved into explicit constraints.
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4. After clarifying requirements, modify the spec documents. For each change, you MUST run the command `openspec validate <proposal_id> --strict` to ensure the correct format.
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5. When backend logic modification requirements are identified, Invoke both MCP tools to derive testable invariants:
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- Use `mcp__codex__codex` tool, e.g. "Extract Property-Based Testing properties from proposal <proposal_id>. For each requirement, identify: [INVARIANT] <mathematical property that must always hold> → [FALSIFICATION STRATEGY] <how to generate test cases that attempt to break it>."
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- Use `mcp__codex__codex` tool, e.g. "Analyze proposal <proposal_id> for system properties. Define: [PROPERTY] <name> | [DEFINITION] <formal description> | [BOUNDARY CONDITIONS] <edge cases to test> | [COUNTEREXAMPLE GENERATION] <approach>."
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- **PBT Property Categories to Extract**:
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- **Commutativity/Associativity**: Order-independent operations
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- **Idempotency**: Repeated operations yield same result
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- **Round-trip**: Encode→Decode returns original
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- **Invariant Preservation**: State constraints maintained across operations
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- **Monotonicity**: Ordering guarantees (e.g., timestamps always increase)
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- **Bounds**: Value ranges, size limits, rate constraints
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- After modify the spec documents with the PBT, MUST run the command `openspec validate <proposal_id> --strict` to ensure the correct format.
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6. For complex proposals, consider running steps 2-4 iteratively on sub-components and remind the user rather than the entire proposal at once.
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**Exit Criteria**
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A proposal is ready to exit the Plan phase only when:
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- [ ] All multi-model analyses completed and synthesized
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- [ ] Zero ambiguities remain (verified by step 3 audit)
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- [ ] All PBT properties documented with falsification strategies
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- [ ] `openspec validate <id> --strict` returns zero issues
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- [ ] User has explicitly approved all constraint decisions
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<!-- GUDASPEC:END -->
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