Install script and README.md file updates

autonomous_ai_agents/README.md

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+# Autonomous AI Agents — Quick Install Guide (OCI Object Storage + OCI Vault)
+
+This guide shows how to install and use the two SQL installer scripts:
+- oci_object_storage_agent_install.sql
+- oci_vault_agent_install.sql
+
+What gets installed
+- A config table in your target schema: OCI_AGENT_CONFIG
+- A PL/SQL package with ready-to-use functions
+- AI Agent tools (DBMS_CLOUD_AI_AGENT) mapped to those functions
+
+Important
+- INSTALL_SCHEMA is mandatory. Always set it.
+
+Prerequisites
+- A DBMS_CLOUD credential with OCI permissions for the target compartment(s)
+- The target schema name (INSTALL_SCHEMA) where packages/tools/config will live
+
+1) Create or identify a DBMS_CLOUD credential
+Example (if needed):
+```
+BEGIN
+  DBMS_CLOUD.CREATE_CREDENTIAL(
+    credential_name => 'MY_CRED',
+    username        => '<oci_user_or_principal>',
+    password        => '<oci_auth_token_or_secret>'
+  );
+END;
+/
+```
+
+2) Install — set variables and run the scripts
+Use SQL*Plus q'(...)' quoting for JSON so you don't need to escape quotes.
+
+Connect:
+```
+sqlplus admin@<tns_alias>
+```
+
+Set variables (mandatory INSTALL_SCHEMA, optional INSTALL_CONFIG_JSON):
+```
+DEFINE INSTALL_SCHEMA = 'YOUR_APP_SCHEMA';
+DEFINE INSTALL_CONFIG_JSON = q'({"credential_name": "MY_CRED", "compartment_name": "MY_COMP"})';
+```
+
+Run one or both installers:
+```
+@autonomous_ai_agents/oci_object_storage_agent_install.sql
+@autonomous_ai_agents/oci_vault_agent_install.sql
+```
+
+Notes
+- INSTALL_CONFIG_JSON is optional (defaults to NULL).
+- Recommended keys to include if you pass JSON:
+  - credential_name: your DBMS_CLOUD credential name
+  - compartment_name: name of the compartment
+
+3) If you didn’t pass INSTALL_CONFIG_JSON, you can still configure the 
+agent after installation by adding rows to YOUR_APP_SCHEMA.OCI_AGENT_CONFIG.
+Each agent has its own AGENT value
+- For object storage use OCI_OBJECT_STORAGE
+- For vault use OCI_VAULT
+
+Examples (Object Storage)
+
+Set credential name for Object Storage operations:
+```
+INSERT INTO YOUR_APP_SCHEMA.OCI_AGENT_CONFIG ("KEY","VALUE","AGENT")
+VALUES ('CREDENTIAL_NAME', 'MY_CRED', 'OCI_OBJECT_STORAGE');
+```
+
+Set compartment name for Vault
+```
+INSERT INTO YOUR_APP_SCHEMA.OCI_AGENT_CONFIG ("KEY","VALUE","AGENT")
+VALUES ('COMPARTMENT_NAME', 'MY_COMP', 'OCI_VAULT');
+```
+