feat(core): enable update registration policy after agent init (#561)

python/.pre-commit-config.yaml

@@ -1,7 +1,6 @@
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.6.0
-    files: ^python/
+    rev: v0.6.9
     hooks:
       - id: ruff
         args: [--fix]

python/docs/api/uagents/agent.md

@@ -173,7 +173,7 @@ An agent that interacts within a communication environment.
 - `mailbox_client` _MailboxClient_ - The client for interacting with the agentverse mailbox.
 - `protocols` _Dict[str, Protocol]_ - Dictionary mapping all supported protocol digests to their
   corresponding protocols.
-- `metadata` _Dict[str, Any]_ - Metadata associated with the agent.
+- `metadata` _Optional[Dict[str, Any]]_ - Metadata associated with the agent.
 
 <a id="src.uagents.agent.Agent.__init__"></a>
 
@@ -533,6 +533,20 @@ Update the queries attribute.
 
 - `queries` - The queries attribute.
 
+<a id="src.uagents.agent.Agent.update_registration_policy"></a>
+
+#### update`_`registration`_`policy
+
+```python
+def update_registration_policy(policy: AgentRegistrationPolicy)
+```
+
+Update the registration policy.
+
+**Arguments**:
+
+- `policy` - The registration policy.
+
 <a id="src.uagents.agent.Agent.register"></a>
 
 #### register

python/docs/api/uagents/registration.md

@@ -0,0 +1,26 @@
+<a id="src.uagents.registration"></a>
+
+# src.uagents.registration
+
+<a id="src.uagents.registration.generate_backoff_time"></a>
+
+#### generate`_`backoff`_`time
+
+```python
+def generate_backoff_time(retry: int) -> float
+```
+
+Generate a backoff time starting from 0.128 seconds and limited to ~131 seconds
+
+<a id="src.uagents.registration.coerce_metadata_to_str"></a>
+
+#### coerce`_`metadata`_`to`_`str
+
+```python
+def coerce_metadata_to_str(
+    metadata: Optional[Dict[str, Any]]
+) -> Optional[Dict[str, Union[str, Dict[str, str]]]]
+```
+
+Step through the metadata and convert any non-string values to strings.
+