Add A2AS Certificate

a2as.yaml

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+manifest:
+  version: "0.1.3"
+  schema: https://a2as.org/cert/schema
+  subject:
+    name: bhancockio/deploy-adk-agent-engine
+    source: https://github.com/bhancockio/deploy-adk-agent-engine
+    branch: main
+    commit: "b5ffcd4a"
+    scope: [adk_short_bot/agent.py, adk_short_bot/prompt.py, adk_short_bot/tools/__init__.py, deployment/local.py, deployment/remote.py]
+  issued:
+    by: A2AS.org
+    at: '2026-02-11T16:33:39Z'
+    url: https://a2as.org/certified/agents/bhancockio/deploy-adk-agent-engine
+  signatures:
+    digest: sha256:3XzyAPItgBBXgo_t2z6creUtxS9ytee3ogMc9baRMsI
+    key: ed25519:RKMTnrVgz5w5xu4WA22Eh1CFJJlEBxlwOvxLa_j1hok
+    sig: ed25519:spI1Wm70OMGejBucKdDQkXnv3TDPBW94VO93mTxeyzvrnF1MGZT4izxXnOpjxhQwpsRYODNq_NLyriYi81RGDQ
+
+agents:
+  root_agent:
+    type: instance
+    models: [gemini-2.0-flash]
+    tools: [count_characters]
+    params:
+      name: adk_short_bot
+      description: A bot that shortens messages while maintaining their core meaning
+      instruction: [You are a message shortening assistant. Your task is to take any input message and return a more concise
+          version while maintaining the core meaning and important details., 'For each message you process, you should:',
+        1. Count the original characters, 2. Create a shortened version that is more concise, 3. Count the new characters,
+        '4. Return the results in this exact format:', 'Original Character Count: [number]', 'New Character Count: [number]',
+        'New message: [shortened message]', 'Rules for shortening:', '- Remove unnecessary words and phrases', '- Use shorter
+          synonyms where possible', '- Maintain proper grammar and readability', '- Keep all essential information', '- Don''t
+          change the meaning of the message', '- Don''t use abbreviations unless they''re commonly understood']
+
+models:
+  gemini-2.0-flash:
+    type: literal
+    agents: [root_agent]
+
+tools:
+  count_characters:
+    type: function
+    agents: [root_agent]
+    params:
+      description: |-
+        Count the number of characters in a message.
+
+        Args:
+            message (str): The message to count characters for
+
+        Returns:
+            int: The number of characters in the message
+
+imports:
+  Agent: google.adk.agents.Agent
+  agent: agent
+  agent_engines: vertexai.agent_engines
+  app: absl.app
+  count_characters: character_counter.count_characters
+  flags: absl.flags
+  load_dotenv: dotenv.load_dotenv
+  os: os
+  reasoning_engines: vertexai.preview.reasoning_engines
+  root_agent: adk_short_bot.agent.root_agent
+  ROOT_AGENT_INSTRUCTION: adk_short_bot.prompt.ROOT_AGENT_INSTRUCTION
+  sys: sys
+  vertexai: vertexai
+
+functions:
+  count_characters:
+    type: sync
+    module: adk_short_bot.tools.character_counter
+    args: [message]
+    params:
+      returns: int
+  create:
+    type: sync
+    module: deployment.remote
+    params:
+      returns: None
+  create_session:
+    type: sync
+    module: deployment.remote
+    args: [resource_id, user_id]
+    params:
+      returns: None
+  delete:
+    type: sync
+    module: deployment.remote
+    args: [resource_id]
+    params:
+      returns: None
+  get_session:
+    type: sync
+    module: deployment.remote
+    args: [resource_id, user_id, session_id]
+    params:
+      returns: None
+  list_deployments:
+    type: sync
+    module: deployment.remote
+    params:
+      returns: None
+  list_sessions:
+    type: sync
+    module: deployment.remote
+    args: [resource_id, user_id]
+    params:
+      returns: None
+  main:
+    type: sync
+    module: deployment.local
+  send_message:
+    type: sync
+    module: deployment.remote
+    args: [resource_id, user_id, session_id, message]
+    params:
+      returns: None
+
+variables:
+  GOOGLE_CLOUD_LOCATION:
+    type: env
+    params:
+      caller: [os.getenv]
+      path: [deployment.remote, deployment.local]
+  GOOGLE_CLOUD_PROJECT:
+    type: env
+    params:
+      caller: [os.getenv]
+      path: [deployment.remote, deployment.local]
+  GOOGLE_CLOUD_STAGING_BUCKET:
+    type: env
+    params:
+      caller: [os.getenv]
+      path: [deployment.remote]