Strip emoji from docs, fix XSS/hashing vulnerabilities, remediate all failing CI checks (#1)

* Initial plan

* Fix security vulnerabilities: MD5→SHA-256, XSS via dangerouslySetInnerHTML/innerHTML, insecure randomness, CodeQL config

Co-authored-by: TLimoges33 <125313326+TLimoges33@users.noreply.github.com>

* Clean up README: remove decorative emojis for a professional tone

Remove all emojis from section headers, list item prefixes, and
decorative positions. Replace ✅ phase status markers with '(Complete)'
text. Keep the ⭐ in the final call-to-action line. No changes to
links, badges, code blocks, or technical content.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* docs: remove emoji characters from CONTRIBUTING.md

Remove all emoji from section headers and closing line while
preserving links, code blocks, and technical content.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* docs: remove emoji characters from documentation files

Remove all emoji characters from 8 documentation files in docs/.
Replace status-marker checkmarks (✅) with '(Done)' text.
Remove decorative emojis from headers and body text entirely.
Preserve emojis inside code blocks unchanged.
Clean up trailing whitespace introduced by removals.

Files modified:
- DEPLOYMENT_GUIDE.md
- IMPLEMENTATION_PLAN.md
- MILESTONE_6_SUMMARY.md
- PRODUCTION_ROADMAP.md
- PROJECT_STATUS.md
- REPOSITORY_ENHANCEMENT.md
- ROADMAP.md
- SECURITY_AUDIT_ROADMAP.md

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* docs: remove emoji characters from documentation files

Remove all emoji characters from 9 markdown files while preserving
code block content (box-drawing characters, indentation). Emojis
removed from headers, list items, and body text across READMEs,
issue templates, PR template, runbook, and mobile docs.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Remove excessive emoji from all documentation for professional presentation

Co-authored-by: TLimoges33 <125313326+TLimoges33@users.noreply.github.com>

* Fix PluginWidget initial state and remove || true from security audit steps

Co-authored-by: TLimoges33 <125313326+TLimoges33@users.noreply.github.com>

* Remediate all failing CI checks: update deprecated actions, fix npm vulnerabilities, fix migrations YAML

Co-authored-by: SynOSdev <257853113+SynOSdev@users.noreply.github.com>

* Fix all remaining CI failures: Node 18→20, fix test API contract, fix pytest version, fix Postgres health checks

Co-authored-by: SynOSdev <257853113+SynOSdev@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: TLimoges33 <125313326+TLimoges33@users.noreply.github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: SynOSdev <257853113+SynOSdev@users.noreply.github.com>

CONTRIBUTING.md

@@ -167,31 +167,31 @@ export const HabitCard: React.FC<HabitCardProps> = ({ habit, onComplete }) => {
 
 ## Types of Contributions
 
-### 🐛 Bug Reports
+### Bug Reports
 - Use the bug report template
 - Include steps to reproduce
 - Provide error messages and logs
 - Test with the latest version
 
-### ✨ Feature Requests
+### Feature Requests
 - Use the feature request template
 - Explain the use case clearly
 - Consider backward compatibility
 - Discuss implementation approach
 
-### 📝 Documentation
+### Documentation
 - Fix typos and unclear explanations
 - Add examples and use cases
 - Update outdated information
 - Improve API documentation
 
-### 🧪 Testing
+### Testing
 - Add unit tests for new features
 - Improve test coverage
 - Add integration tests
 - Performance testing
 
-### 🎨 Design & UX
+### Design & UX
 - Improve accessibility
 - Enhance user experience
 - Create design mockups
@@ -219,4 +219,4 @@ Contributors are recognized in:
 - **GitHub Contributors** graph
 - Annual contributor highlights
 
-Thank you for helping make LifeRPG better! 🎮✨
+Thank you for helping make LifeRPG better!