docs: add example pipeline templates for common AI workflows

[charliegillet]

Summary

• Add 4 ready-to-use .pipe templates in examples/ covering the most common AI pipeline patterns: RAG, LLM benchmarking, document processing, and multi-agent workflows
• Each template uses valid pipeline JSON with correct component configs, lane connections, control-plane wiring, and UI layout positions
• Include examples/README.md documenting each template with architecture diagrams, required env vars, and SDK usage examples

Templates

Template	Pattern	Key Components
rag-pipeline.pipe	Ingest + Query RAG	webhook, parse, preprocessor, embedding, Qdrant, prompt, LLM, response
llm-benchmark.pipe	Parallel agent fan-out	chat, 3 agents (RocketRide/CrewAI/LangChain), OpenAI/Anthropic/Gemini LLMs
document-processor.pipe	OCR + NER + anonymization	webhook, parse, OCR, NER, anonymize, response
agent-workflow.pipe	Hierarchical multi-agent	chat, orchestrator agent, research sub-agent, tools (HTTP, Python), dual LLMs

Motivation

Reduces onboarding friction by giving users practical starting points for the most requested pipeline patterns. Templates follow all pipeline rules (unique GUIDs, correct source configs, proper lane types, control-plane wiring on controlled nodes).

Test plan

• Each .pipe file is valid JSON (cat examples/*.pipe | python -m json.tool)
• All provider values match existing node types in nodes/src/nodes/
• Lane connections follow documented input/output mappings
• Control arrays are on the controlled node (LLM/tool/memory), not the invoker
• Each project_id is a unique GUID
• Templates open correctly in the VS Code visual builder

🤖 Generated with Claude Code

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ℹ️ Review info

⚙️ Run configuration

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Review profile: ASSERTIVE

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Run ID: 160fe225-cdd6-4624-9de3-b1b1a30b2108

📥 Commits

Reviewing files that changed from the base of the PR and between b6b2dc1 and cb0f2eb.

📒 Files selected for processing (7)

• apps/vscode/src/providers/views/PageStatus/PageStatus.tsx
• apps/vscode/src/providers/views/PageStatus/styles.css
• examples/README.md
• examples/agent-workflow.pipe
• examples/document-processor.pipe
• examples/llm-benchmark.pipe
• examples/rag-pipeline.pipe

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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