feat: restore review and planning bundles

commands/feature-dev.md

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+---
+description: Guided feature development with codebase understanding and architecture focus
+---
+
+A structured feature-development workflow that emphasizes understanding existing code before writing new code.
+
+## Phases
+
+### 1. Discovery
+
+- read the feature request carefully
+- identify requirements, constraints, and acceptance criteria
+- ask clarifying questions if the request is ambiguous
+
+### 2. Codebase Exploration
+
+- use `code-explorer` to analyze the relevant existing code
+- trace execution paths and architecture layers
+- understand integration points and conventions
+
+### 3. Clarifying Questions
+
+- present findings from exploration
+- ask targeted design and edge-case questions
+- wait for user response before proceeding
+
+### 4. Architecture Design
+
+- use `code-architect` to design the feature
+- provide the implementation blueprint
+- wait for approval before implementing
+
+### 5. Implementation
+
+- implement the feature following the approved design
+- prefer TDD where appropriate
+- keep commits small and focused
+
+### 6. Quality Review
+
+- use `code-reviewer` to review the implementation
+- address critical and important issues
+- verify test coverage
+
+### 7. Summary
+
+- summarize what was built
+- list follow-up items or limitations
+- provide testing instructions