feat: enhance interactive prompts with variable descriptions and contextual icons

[httpdss]

Overview

Improves the interactive variable prompting experience by displaying variable descriptions, contextual icons, and bold variable names for better user guidance.

Changes

Core Features

• Variable Descriptions: Display description field (or help as fallback) when prompting users in interactive mode
• Contextual Icons: Automatically select appropriate emojis based on variable names and types:
  • 🚀 Project/app names
  • 🌍 Environment/deployment variables
  • 🔌 Ports/network settings
  • 🗄️ Database configurations
  • ⚡ Boolean/toggle options
  • 🔐 Authentication/secrets
  • 🏷️ Versions/tags
  • 📁 Paths/directories
  • 🔧 General variables (default)
• Bold Variable Names: Improve readability with ANSI bold formatting in terminal
• Smart Formatting: Conditional display based on description presence (compact for no description, full for descriptions)

Implementation

• Added _get_variable_icon() method in TemplateRenderer for icon selection logic
• Enhanced prompt_for_missing_vars() to handle descriptions and formatting
• Proper enum handling with options display

Documentation

• Updated docs/template-variables.md with visual examples
• Documented contextual icon selection
• Noted description and help field support

Testing

• Comprehensive test coverage for new formatting and icon logic
• Tests for enum and non-enum variable prompts

Additional

• Updated WARP.md with GitHub MCP issue management guidelines

Closes #116

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 68.70%. Comparing base (0c902a6) to head (6cf3067).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #118      +/-   ##
==========================================
+ Coverage   68.06%   68.70%   +0.63%     
==========================================
  Files          20       20              
  Lines        1522     1553      +31     
  Branches      269      279      +10     
==========================================
+ Hits         1036     1067      +31     
  Misses        411      411              
  Partials       75       75              

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