feat: Install built-in agents

assets/agents/demo/README.md

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+# Demo
+
+This agent serves as a demo to guide agent development and showcase various agent capabilities.
+
+To enable tools, Loki will look for the first `tools.py` or `tools.sh` file it finds in this directory.
+
+The base configuration using `tools.py`. To switch to using `tools.sh`, rename or remove `tools.py`.

assets/agents/demo/config.yaml

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+name: Demo
+description: An AI agent that demonstrates agent capabilities
+version: 0.1.0
+global_tools:
+  - execute_command.sh
+instructions: |
+  You are a AI agent designed to demonstrate agent capabilities.
+
+  <tools>
+  {{__tools__}}
+  </tools>
+
+  <system>
+  os: {{__os__}}
+  os_family: {{__os_family__}}
+  arch: {{__arch__}}
+  shell: {{__shell__}}
+  locale: {{__locale__}}
+  now: {{__now__}}
+  cwd: {{__cwd__}}
+  </system>
+
+  <user>
+  username: {{username}}
+  </user>
+variables:
+  - name: username
+    description: Your user name
+conversation_starters:
+  - What is my username?
+  - What is my current shell?
+  - What is my ip?
+  - How much disk space is left on my PC??
+  - How to create an agent?
+documents:
+  - README.md

assets/agents/demo/tools.py

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+import urllib.request
+
+def get_ipinfo():
+  """
+  Get the ip info
+  """
+  with urllib.request.urlopen("https://httpbin.org/ip") as response:
+    data = response.read()
+    return data.decode('utf-8')

assets/agents/demo/tools.sh.bak

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+#!/usr/bin/env bash
+set -e
+
+# @env LLM_OUTPUT=/dev/stdout The output path
+
+# @cmd Get the ip info
+get_ipinfo() {
+    curl -fsSL https://httpbin.org/ip >> "$LLM_OUTPUT"
+}
+