Make agent and compaction model IDs configurable via SSM

agentclaw/app/agent_claw_main/config.py

@@ -0,0 +1,25 @@
+"""Config loader — fetches model IDs from SSM Parameter Store at cold start."""
+
+import boto3
+
+_DEFAULTS = {
+    '/agent-claw/config/agent_model_id': 'us.anthropic.claude-sonnet-4-6',
+    '/agent-claw/config/compaction_model_id': 'us.anthropic.claude-3-5-haiku-20241022-v1:0',
+}
+
+
+def _load():
+    ssm = boto3.client('ssm', region_name='us-east-1')
+    names = list(_DEFAULTS.keys())
+    try:
+        resp = ssm.get_parameters(Names=names)
+        found = {p['Name']: p['Value'] for p in resp['Parameters']}
+    except Exception:
+        found = {}
+    return {name: found.get(name, default) for name, default in _DEFAULTS.items()}
+
+
+_params = _load()
+
+AGENT_MODEL_ID: str = _params['/agent-claw/config/agent_model_id']
+COMPACTION_MODEL_ID: str = _params['/agent-claw/config/compaction_model_id']