docs: refresh portfolio README and wiki

[jonathanperis]

Summary

• audited README, contributor guide, and wiki Markdown against the current Astro 6 / React 19 source tree
• replaced stale Next.js/npm/master/deploy.yml references with Bun, Astro, src/..., and current GitHub Actions workflow details
• refreshed architecture, project structure, deployment, SEO/analytics, resume, and terminal easter egg documentation to match the current code

Test Plan

• git diff --check
• bun run lint
• bun run build
• stale-reference grep for old Next.js/npm/workflow/env-var claims

Summary by CodeRabbit

Documentation

• Updated development guides with current toolchain configuration and setup instructions
• Local development server now runs on http://localhost:4321
• Build and installation commands migrated to use Bun
• Environment variables documentation updated (GITHUB_TOKEN, PUBLIC_GA_ID)
• Refreshed guides covering architecture, deployment, project structure, and feature documentation

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 6e7a1230-ae4b-4f4f-8a82-0aba6dcdc3d8

📥 Commits

Reviewing files that changed from the base of the PR and between afb1f24 and f88edb9.

📒 Files selected for processing (1)

• wiki/project_structure.md

📝 Walkthrough

Walkthrough

Documentation across the repository's guides and wiki has been updated to reflect the portfolio's migration from Next.js 16 to Astro 6. Changes describe the new Astro architecture, Bun toolchain, development workflow, GitHub Pages deployment automation, and feature implementations including the Konami code terminal, resume page, and SEO/analytics integration.

Changes

Astro Migration Documentation

Layer / File(s)	Summary
Stack Overview and Architecture CLAUDE.md, README.md, wiki/architecture.md, wiki/index.md	Top-level descriptions, About sections, and architecture guide updated to document Astro 6 + React 19 islands instead of Next.js; describes build-time GitHub GraphQL/REST data fetching, static export to out/, and GA4 conditional loading via PUBLIC_GA_ID.
Development Toolchain and Getting Started wiki/getting_started.md, README.md	Toolchain migrated from npm to Bun; prerequisites now include Node.js v22+, Bun, optional GitHub CLI; dev/build/lint/preview commands updated; local URL changed to http://localhost:4321; dynamic project setup uses GITHUB_TOKEN via gh auth token and PUBLIC_GA_ID for GA4 emission.
Deployment Pipeline and CI/CD wiki/deployment.md, CLAUDE.md	GitHub Pages deployment automated via .github/workflows/main-release.yml on main branch using Bun/Node 22; static Astro export to out/ replaces Next.js serverless output; environment variables (GITHUB_TOKEN, PUBLIC_GA_ID) documented; CI/CD section updated with Bun build steps and workflow purposes.
Project Structure and Organization wiki/project_structure.md	Repository layout changed from Next.js app/ to Astro src/-organized directories (pages/, components/, layouts/, lib/, styles/); astro.config.ts added; Key Files table references new Astro entry points and file responsibilities.
Feature Documentation wiki/resume_page.md, wiki/easter_egg.md, wiki/seo_and_analytics.md	/resume page documented as Astro implementation rendering from src/lib/data.ts with print-optimized styling; Konami terminal activation clarified and command set updated with runCmd() mapping in Portfolio.tsx; SEO/analytics (JsonLd.astro, Analytics.astro, RootLayout.astro) documented with detailed meta tables, GA4 conditional loading, sitemap integration, and PWA manifest configuration.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• jonathanperis/jonathanperis.github.io#44: Earlier wiki-folder migration that precedes this Astro-migration documentation update across the same wiki pages.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main change: a comprehensive refresh of documentation (README and wiki) to align with the current Astro/React/Bun stack.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/readme-wiki-freshness-audit

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Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@wiki/project_structure.md`:
- Line 42: Update the documentation entry that references `src/lib/github.ts` to
use the correct capitalization "GitHub" (capital H) wherever "Github" appears;
specifically change the table cell description string that currently reads
"Fetches profile pinned repositories..." to use "GitHub" so the repository/file
reference and descriptive text consistently spell the project name as "GitHub".

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 5a6c97e7-2383-4d38-ae31-4d0552e177ab

📥 Commits

Reviewing files that changed from the base of the PR and between 7f61673 and afb1f24.

📒 Files selected for processing (10)

• CLAUDE.md
• README.md
• wiki/architecture.md
• wiki/deployment.md
• wiki/easter_egg.md
• wiki/getting_started.md
• wiki/index.md
• wiki/project_structure.md
• wiki/resume_page.md
• wiki/seo_and_analytics.md