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fix(fal): extend whitespace-only FAL_KEY handling to all call sites

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Follow-up to PR #2504. The original fix covered the two direct FAL_KEY
checks in image_generation_tool but left four other call sites intact,
including the managed-gateway gate where a whitespace-only FAL_KEY
falsely claimed 'user has direct FAL' and *skipped* the Nous managed
gateway fallback entirely.

Introduce fal_key_is_configured() in tools/tool_backend_helpers.py as a
single source of truth (consults os.environ, falls back to .env for
CLI-setup paths) and route every FAL_KEY presence check through it:
  - tools/image_generation_tool.py : _resolve_managed_fal_gateway,
    image_generate_tool's upfront check, check_fal_api_key
  - hermes_cli/nous_subscription.py : direct_fal detection, selected
    toolset gating, tools_ready map
  - hermes_cli/tools_config.py     : image_gen needs-setup check

Verified by extending tests/tools/test_image_generation_env.py and by
E2E exercising whitespace + managed-gateway composition directly.
This commit is contained in:
Teknium 2026-04-21 01:59:15 -07:00 • committed by Teknium
parent 77061ac995
commit 2e722ee29a
4 changed files with 35 additions and 13 deletions
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4
hermes_cli/tools_config.py
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@ -24,7 +24,7 @@ from hermes_cli.nous_subscription import (
apply_nous_managed_defaults,
get_nous_subscription_features,
)
from tools.tool_backend_helpers import managed_nous_tools_enabled
from tools.tool_backend_helpers import fal_key_is_configured, managed_nous_tools_enabled
from utils import base_url_hostname
logger = logging.getLogger(__name__)
@ -876,7 +876,7 @@ def _toolset_needs_configuration_prompt(ts_key: str, config: dict) -> bool:
browser_cfg = config.get("browser", {})
return not isinstance(browser_cfg, dict) or "cloud_provider" not in browser_cfg
if ts_key == "image_gen":
return not get_env_value("FAL_KEY")
return not fal_key_is_configured()
return not _toolset_has_keys(ts_key, config)