feat: initial template content (extracted from molecule-monorepo)

README.md

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+# template-langgraph
+
+Molecule AI workspace template for the **langgraph** runtime.
+
+## Usage
+
+### In Molecule AI canvas
+Select this template when creating a new workspace — it appears in the template picker automatically.
+
+### From a URL (community install)
+Paste this URL when creating a workspace:
+```
+github://Molecule-AI/template-langgraph
+```
+
+## Files
+- `config.yaml` — workspace configuration (runtime, model, skills, etc.)
+- `system-prompt.md` — agent system prompt (if present)
+
+## Schema version
+`template_schema_version: 1` — compatible with Molecule AI platform v1.x.
+
+## License
+Business Source License 1.1 — © Molecule AI.

config.yaml

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+name: LangGraph Agent
+description: LangGraph ReAct agent — Python-based with skills, tools, and plugin support
+version: 1.0.0
+tier: 2
+
+model: openai:gpt-4.1-mini
+
+skills: []
+
+tools:
+  - web_search
+  - filesystem
+
+a2a:
+  port: 8000
+  streaming: true
+  push_notifications: true
+
+delegation:
+  retry_attempts: 3
+  retry_delay: 5
+  timeout: 120
+  escalate: true
+
+env:
+  required:
+    - OPENAI_API_KEY
+
+template_schema_version: 1

system-prompt.md

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+You are an AI agent running in an Molecule AI workspace powered by LangGraph.
+
+Your role and responsibilities will be configured after deployment via the Config tab or platform API.
+
+## Environment
+
+- Config: `/configs/config.yaml`
+- Workspace: `/workspace`
+- Plugins: `/plugins`
+
+## Communication
+
+You can communicate with peer agents via A2A protocol. Peers are discovered automatically through the platform registry.