docs: deepen tutorial chapters batch 4 (openhands through wshobson-agents)

[johnxie]

Summary

This PR applies the v2 depth/quality expansion to tutorial chapter files (no index files) for the fourth batch of tracks.

Scope

• Batch: 4
• Tutorial directories: 46
• Chapter files changed: 368
• Range: openhands-tutorial through wshobson-agents-tutorial

Included Tutorial Directories

• openhands-tutorial
• openskills-tutorial
• openspec-tutorial
• opensrc-tutorial
• outlines-tutorial
• perplexica-tutorial
• phidata-tutorial
• photoprism-tutorial
• plandex-tutorial
• planning-with-files-tutorial
• playwright-mcp-tutorial
• pocketflow-tutorial
• postgresql-query-planner
• posthog-tutorial
• pydantic-ai-tutorial
• quivr-tutorial
• qwen-agent-tutorial
• ragflow-tutorial
• react-fiber-internals
• refly-tutorial
• roo-code-tutorial
• semantic-kernel-tutorial
• serena-tutorial
• shotgun-tutorial
• sillytavern-tutorial
• siyuan-tutorial
• smolagents-tutorial
• stagewise-tutorial
• strands-agents-tutorial
• supabase-tutorial
• superagi-tutorial
• superset-terminal-tutorial
• swarm-tutorial
• swe-agent-tutorial
• sweep-tutorial
• tabby-tutorial
• teable-database-platform
• tiktoken-tutorial
• turborepo-tutorial
• use-mcp-tutorial
• vercel-ai-tutorial
• vibe-kanban-tutorial
• vibesdk-tutorial
• vllm-tutorial
• whisper-cpp-tutorial
• wshobson-agents-tutorial

What Was Updated

• Expanded chapter depth to v1-level detail for each changed chapter.
• Added structured implementation guidance sections used across the docs pass (runbooks, failure modes, decision matrices, review questions).
• Preserved existing chapter ordering and tutorial structure.

Validation

• python3 scripts/docs_health.py --root .
  • broken_link_count=0
  • missing_index_count=0