feat(provider-routing): add OpenRouter provider routing configuration

Introduced a new `provider_routing` section in the CLI configuration to control how requests are routed across providers when using OpenRouter. This includes options for sorting providers by throughput, latency, or price, as well as allowing or ignoring specific providers, setting the order of provider attempts, and managing data collection policies. Updated relevant classes and documentation to support these features, enhancing flexibility in provider selection.

cli.py

@@ -880,6 +880,15 @@ class HermesCLI:
             CLI_CONFIG["agent"].get("reasoning_effort", "")
         )
         
+        # OpenRouter provider routing preferences
+        pr = CLI_CONFIG.get("provider_routing", {}) or {}
+        self._provider_sort = pr.get("sort")
+        self._providers_only = pr.get("only")
+        self._providers_ignore = pr.get("ignore")
+        self._providers_order = pr.get("order")
+        self._provider_require_params = pr.get("require_parameters", False)
+        self._provider_data_collection = pr.get("data_collection")
+        
         # Agent will be initialized on first use
         self.agent: Optional[AIAgent] = None
         self._app = None  # prompt_toolkit Application (set in run())
@@ -1016,6 +1025,12 @@ class HermesCLI:
                 ephemeral_system_prompt=self.system_prompt if self.system_prompt else None,
                 prefill_messages=self.prefill_messages or None,
                 reasoning_config=self.reasoning_config,
+                providers_allowed=self._providers_only,
+                providers_ignored=self._providers_ignore,
+                providers_order=self._providers_order,
+                provider_sort=self._provider_sort,
+                provider_require_parameters=self._provider_require_params,
+                provider_data_collection=self._provider_data_collection,
                 session_id=self.session_id,
                 platform="cli",
                 session_db=self._session_db,