feat(ralph): v1.1.0 - Context detection, adaptive questions, browser verification

Major improvements inspired by coleam00/ai-agents-masterclass:

- prd.md: Auto-detect project context (package.json, pyproject.toml, etc.)
  - NEW_PROJECT_MODE: ~10 questions for new projects
  - FEATURE_MODE: ~5-7 questions for existing projects
  - Uses AskUserQuestion for interactive UX
  - Optional WebSearch for best practices

- convert.md: Extended functionality
  - Generates .claude/settings.json with allow-list per tech stack
  - Extracts real commands from package.json scripts
  - Adds techStack info to prd.json
  - Creates screenshots/ directory

- prompt.md: Browser verification with agent-browser CLI
  - Compact refs (@e1, @e2) for minimal token usage
  - requiresBrowserCheck flag per story
  - Screenshot saving for UI verification

- ralph.sh: Screenshots directory + agent-browser check

- README.md: Complete rewrite with new features

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

plugins/ralph/.claude-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "ralph",
-  "description": "Autonomous loop for PRD implementation with Claude Code",
-  "version": "1.0.0",
+  "description": "Autonomous loop for PRD implementation with Claude Code - context detection, adaptive questions, browser verification",
+  "version": "1.1.0",
   "author": {
     "name": "Romfast Team"
   }