PROMPT 09 Documentation

# Implementation Prompt 09: Documentation and README

**Goal:** Create comprehensive user-facing documentation including README, usage examples, and configuration guide.

**Test Strategy:** Documentation must be accurate, complete, and match actual implementation.

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## Context: What You're Building

You're creating the final user-facing documentation that:
1. **README.md**: Project overview, quick start, API reference
2. **Usage examples**: Common patterns and recipes
3. **Configuration guide**: All options explained
4. **Troubleshooting**: Common issues and solutions

This documentation is for library users, not contributors.

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## Required Reading: MVP Scope

From MVP_SPEC.md and ADR-0010:

### MVP Features (Document These)

**Transports:**
- Stdio (subprocess via Port)

**MCP Methods:**
- Tools: list, call
- Resources: list, read, templates/list
- Prompts: list, get
- General: ping

**Reliability:**
- Automatic reconnection with exponential backoff
- Request timeout handling
- Transport busy retry (3 attempts)
- Tombstone-based duplicate prevention

**Configuration:**
- All timeout values
- Backoff parameters
- Retry parameters
- Notification handlers

### NOT in MVP (Don't Document)

- SSE/HTTP transports
- Session IDs or session management
- Async notification handlers
- Connection pooling
- Request cancellation API
- Telemetry (mentioned but not required)

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## Implementation Requirements

### 1. Main README

**File: `README.md`**