First version of agent schema and some refinement to workflow schema [f…

…ixes #136] (#139)

* first version of the JSON schema. Fixes issue #27

* addressing feedback from review

* addressed steps and agents definition

* made agents also array

* first version of the agent schema that validares the agents used in POC0

* added code section

* included suggestions and changes from @akihikokuroda's PR #139 review comments

test/schema/simple_agent.json

@@ -0,0 +1,19 @@
+{
+    "apiVersion": "beehive/v1alpha1",
+    "kind": "Agent",
+    "metadata": {
+        "name": "test",
+        "labels": {
+            "app": "test-example"
+        }
+    },
+    "spec": {
+        "model": "meta-llama/llama-3-1-70b-instruct",
+        "description": "this is a test",
+        "tools": [
+            "code_interpreter",
+            "test"
+        ],
+        "instructions": "this is a test."
+    }
+}

test/schema/simple_agent.yml

@@ -0,0 +1,13 @@
+apiVersion: beehive/v1alpha1
+kind: Agent
+metadata:
+  name: test
+  labels:
+    app: test-example
+spec:
+  model: meta-llama/llama-3-1-70b-instruct
+  description: this is a test
+  tools:
+    - code_interpreter
+    - test
+  instructions: this is a test.

tools/agent_schema.json

@@ -0,0 +1,63 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://github.com/i-am-bee/bee-hive/tools/agent_schema.json",
+  "title": "BeeAI Agent",
+  "description": "A schema for defining Bee Hive workflows in YAML or JSON",
+  "type": "object",
+  "properties": {
+    "apiVersion": {
+      "type": "string",
+      "description": "API version beehive/v1alpha1"
+    },
+    "kind": {
+      "type": "string",
+      "description": "must be Agent"
+    },
+    "metadata": {
+      "type": "object",
+      "properties": {
+        "name": {
+          "type": "string",
+          "description": "agent name"
+        },
+        "labels": {
+          "type": "object",
+          "description": "agent labels, key: value pairs"
+        }
+      },
+      "required": [
+        "name"
+      ]
+    },
+    "spec": {
+      "type": "object",
+      "properties": {
+        "description": {
+          "type": "string",
+          "description": "Short human-readable desciption of this agent"
+        },
+        "model": {
+          "type": "string",
+          "description": "The LLM model for this agent"
+        },
+        "tools": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        },
+        "instruction": {
+          "type": "string",
+          "description": "The instruction (context) to pass to this agent"
+        },
+        "code": {
+          "type": "string",
+          "description": "The (optional) code defintion for the agent"
+        }
+      },
+      "required": [
+        "model"
+      ]
+    }
+  }
+}