fix: extend hostname-match provider detection across remaining call sites

Aslaaen's fix in the original PR covered _detect_api_mode_for_url and the
two openai/xai sites in run_agent.py. This finishes the sweep: the same
substring-match false-positive class (e.g. https://api.openai.com.evil/v1,
https://proxy/api.openai.com/v1, https://api.anthropic.com.example/v1)
existed in eight more call sites, and the hostname helper was duplicated
in two modules.

- utils: add shared base_url_hostname() (single source of truth).
- hermes_cli/runtime_provider, run_agent: drop local duplicates, import
  from utils. Reuse the cached AIAgent._base_url_hostname attribute
  everywhere it's already populated.
- agent/auxiliary_client: switch codex-wrap auto-detect, max_completion_tokens
  gate (auxiliary_max_tokens_param), and custom-endpoint max_tokens kwarg
  selection to hostname equality.
- run_agent: native-anthropic check in the Claude-style model branch
  and in the AIAgent init provider-auto-detect branch.
- agent/model_metadata: Anthropic /v1/models context-length lookup.
- hermes_cli/providers.determine_api_mode: anthropic / openai URL
  heuristics for custom/unknown providers (the /anthropic path-suffix
  convention for third-party gateways is preserved).
- tools/delegate_tool: anthropic detection for delegated subagent
  runtimes.
- hermes_cli/setup, hermes_cli/tools_config: setup-wizard vision-endpoint
  native-OpenAI detection (paired with deduping the repeated check into
  a single is_native_openai boolean per branch).

Tests:
- tests/test_base_url_hostname.py covers the helper directly
  (path-containing-host, host-suffix, trailing dot, port, case).
- tests/hermes_cli/test_determine_api_mode_hostname.py adds the same
  regression class for determine_api_mode, plus a test that the
  /anthropic third-party gateway convention still wins.

Also: add asslaenn5@gmail.com → Aslaaen to scripts/release.py AUTHOR_MAP.

agent/auxiliary_client.py

@@ -48,6 +48,7 @@ from openai import OpenAI
 from agent.credential_pool import load_pool
 from hermes_cli.config import get_hermes_home
 from hermes_constants import OPENROUTER_BASE_URL
+from utils import base_url_hostname
 
 logger = logging.getLogger(__name__)
 
@@ -1516,8 +1517,7 @@ def resolve_provider_client(
         # Auto-detect: api.openai.com + codex model name pattern
         if api_mode and api_mode != "codex_responses":
             return False  # explicit non-codex mode
-        normalized_base = (base_url_str or "").strip().lower()
-        if "api.openai.com" in normalized_base and "openrouter" not in normalized_base:
+        if base_url_hostname(base_url_str) == "api.openai.com":
             model_lower = (model_str or "").lower()
             if "codex" in model_lower:
                 return True
@@ -2025,7 +2025,7 @@ def auxiliary_max_tokens_param(value: int) -> dict:
     # Only use max_completion_tokens for direct OpenAI custom endpoints
     if (not or_key
             and _read_nous_auth() is None
-            and "api.openai.com" in custom_base.lower()):
+            and base_url_hostname(custom_base) == "api.openai.com"):
         return {"max_completion_tokens": value}
     return {"max_tokens": value}
 
@@ -2460,7 +2460,7 @@ def _build_call_kwargs(
         # Direct OpenAI api.openai.com with newer models needs max_completion_tokens.
         if provider == "custom":
             custom_base = base_url or _current_custom_base_url()
-            if "api.openai.com" in custom_base.lower():
+            if base_url_hostname(custom_base) == "api.openai.com":
                 kwargs["max_completion_tokens"] = max_tokens
             else:
                 kwargs["max_tokens"] = max_tokens