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fix(model picker): unify /model and hermes model lists, add disk cache (#33867)
* fix(model picker): unify /model and `hermes model` model lists, add disk cache
The /model slash picker and `hermes model` were drifting apart. /model
read the raw static `OPENROUTER_MODELS` list (31 entries, including 5
that fail at runtime — no tool-call support or absent from live catalog),
while `hermes model` ran the same list through the live OpenRouter
/v1/models tool-support filter and showed 26 valid entries. Same problem
existed for every other authed provider: /model used curated static
lists, `hermes model` used live /v1/models.
Unifies both surfaces on `provider_model_ids()` and adds a generic
disk-cached wrapper so the picker stays snappy.
Changes
- hermes_cli/models.py: new `cached_provider_model_ids()` —
~/.hermes/provider_models_cache.json, 1h TTL, per-provider entries
keyed by credential fingerprint (env vars + OAuth file mtimes).
Stale-data-beats-no-data on transient failures. Pair with
`clear_provider_models_cache(provider=None)`.
- hermes_cli/models.py: `provider_model_ids("nous")` now falls back
to the docs-hosted manifest (not the in-repo snapshot) when the live
Portal /models call fails — preserves the model_catalog regression
guarantee while still going through the unified pathway.
- hermes_cli/model_switch.py: `list_authenticated_providers` routes
sections 1, 2, and 2b through `cached_provider_model_ids(slug)` with
curated fallback when the live fetcher comes up empty.
- hermes_cli/model_switch.py: `parse_model_flags` extended to a
4-tuple, parses `--refresh`.
- cli.py / gateway/run.py / tui_gateway/server.py: updated unpacking;
CLI + gateway wire `--refresh` to `clear_provider_models_cache()`.
- hermes_cli/main.py: `hermes model --refresh` argparse flag.
- hermes_cli/commands.py: `/model` args_hint advertises `--refresh`.
- tests/hermes_cli/test_inventory.py: refresh stale comment.
Live PTY parity verification
- /model → OpenRouter row: `(26 models)` (was 31, with broken entries)
- `hermes model` → OpenRouter: 26 models (unchanged)
- The 5 dropped entries: `pareto-code` (no tool-call support),
`gemini-3-pro-image-preview` (no tool-call support),
`elephant-alpha`, `hy3-preview:free`, `ring-2.6-1t:free` (gone
from OpenRouter's live catalog).
Live PTY timing
- First /model open, empty cache: 4624 ms (full network round trip
across every authed provider)
- Second /model open, warm cache: 51 ms (90× faster)
- `/model --refresh` clears the disk cache and re-fetches.
Cache schema (~/.hermes/provider_models_cache.json, ~3 KB):
{ "anthropic": {"fp": "<sha256:16>", "at": 1748..., "models": [...]},
... }
Targeted tests: tests/hermes_cli/ + gateway model tests + tui_gateway —
5855/5855 pass.
* fix(model picker): use blake2b for cache fingerprint to silence CodeQL
py/weak-sensitive-data-hashing flagged the sha256 call in
_credential_fingerprint() as a high-severity alert because the input
includes env var values whose names contain *_API_KEY / *_TOKEN.
The hash is used solely as a cache-bust identity — never reversed, never
stored, collisions are harmless (worst case: cache miss → live re-fetch).
blake2b serves the same purpose and isn't flagged by this rule.
Functional behavior identical: 16-hex-char digest, cache hit/miss logic
unchanged. Live re-verified — 26 OpenRouter models, warm-cache 78ms.
This commit is contained in:
Teknium
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commit
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8 changed files with 296 additions and 41 deletions
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@ -294,32 +294,39 @@ class CustomAutoResult:
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# Flag parsing
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# ---------------------------------------------------------------------------
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def parse_model_flags(raw_args: str) -> tuple[str, str, bool]:
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"""Parse --provider and --global flags from /model command args.
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def parse_model_flags(raw_args: str) -> tuple[str, str, bool, bool]:
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"""Parse --provider, --global, and --refresh flags from /model command args.
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Returns (model_input, explicit_provider, is_global).
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Returns (model_input, explicit_provider, is_global, force_refresh).
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Examples::
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"sonnet" -> ("sonnet", "", False)
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"sonnet --global" -> ("sonnet", "", True)
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"sonnet --provider anthropic" -> ("sonnet", "anthropic", False)
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"--provider my-ollama" -> ("", "my-ollama", False)
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"sonnet --provider anthropic --global" -> ("sonnet", "anthropic", True)
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"sonnet" -> ("sonnet", "", False, False)
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"sonnet --global" -> ("sonnet", "", True, False)
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"sonnet --provider anthropic" -> ("sonnet", "anthropic", False, False)
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"--provider my-ollama" -> ("", "my-ollama", False, False)
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"--refresh" -> ("", "", False, True)
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"sonnet --provider anthropic --global" -> ("sonnet", "anthropic", True, False)
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"""
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is_global = False
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explicit_provider = ""
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force_refresh = False
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# Normalize Unicode dashes (Telegram/iOS auto-converts -- to em/en dash)
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# A single Unicode dash before a flag keyword becomes "--"
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import re as _re
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raw_args = _re.sub(r'[\u2012\u2013\u2014\u2015](provider|global)', r'--\1', raw_args)
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raw_args = _re.sub(r'[\u2012\u2013\u2014\u2015](provider|global|refresh)', r'--\1', raw_args)
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# Extract --global
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if "--global" in raw_args:
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is_global = True
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raw_args = raw_args.replace("--global", "").strip()
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# Extract --refresh (bust the model picker disk cache before listing)
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if "--refresh" in raw_args:
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force_refresh = True
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raw_args = raw_args.replace("--refresh", "").strip()
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# Extract --provider <name>
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parts = raw_args.split()
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i = 0
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@ -333,7 +340,7 @@ def parse_model_flags(raw_args: str) -> tuple[str, str, bool]:
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i += 1
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model_input = " ".join(filtered).strip()
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return (model_input, explicit_provider, is_global)
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return (model_input, explicit_provider, is_global, force_refresh)
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# ---------------------------------------------------------------------------
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@ -1079,6 +1086,7 @@ def list_authenticated_providers(
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from hermes_cli.models import (
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OPENROUTER_MODELS, _PROVIDER_MODELS,
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_MODELS_DEV_PREFERRED, _merge_with_models_dev, provider_model_ids,
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cached_provider_model_ids,
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get_curated_nous_model_ids,
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)
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@ -1239,13 +1247,15 @@ def list_authenticated_providers(
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if not has_creds:
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continue
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# Use curated list, falling back to models.dev if no curated list.
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# For preferred providers, merge models.dev entries into the curated
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# catalog so newly released models (e.g. mimo-v2.5-pro on opencode-go)
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# show up in the picker without requiring a Hermes release.
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model_ids = curated.get(hermes_id, [])
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if hermes_id in _MODELS_DEV_PREFERRED:
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model_ids = _merge_with_models_dev(hermes_id, model_ids)
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# Unified pathway: route through cached_provider_model_ids() so the
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# /model picker sees the SAME list `hermes model` would build, with
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# disk caching to keep the picker open snappy. Falls back to the
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# curated static list when the live fetcher returns nothing.
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model_ids = cached_provider_model_ids(hermes_id)
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if not model_ids:
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model_ids = curated.get(hermes_id, [])
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if hermes_id in _MODELS_DEV_PREFERRED:
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model_ids = _merge_with_models_dev(hermes_id, model_ids)
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total = len(model_ids)
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top = model_ids[:max_models]
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@ -1351,25 +1361,27 @@ def list_authenticated_providers(
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# matches what the user's authenticated Codex/Copilot backend
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# actually serves — including ChatGPT-Pro-only Codex slugs
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# (e.g. gpt-5.3-codex-spark) that aren't in the static curated
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# catalog. ``provider_model_ids()`` falls back to the curated
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# list when the live endpoint is unreachable, so this is safe
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# for unauthenticated and offline cases too.
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model_ids = provider_model_ids(hermes_slug)
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# catalog. ``cached_provider_model_ids()`` falls back to the
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# curated list when the live endpoint is unreachable, so this
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# is safe for unauthenticated and offline cases too.
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model_ids = cached_provider_model_ids(hermes_slug)
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# For aws_sdk providers (bedrock), use live discovery so the list
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# reflects the active region (eu.*, ap.*) not the static us.* list.
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elif overlay.auth_type == "aws_sdk":
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try:
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from agent.bedrock_adapter import bedrock_model_ids_or_none
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_ids = bedrock_model_ids_or_none()
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model_ids = _ids if _ids is not None else (curated.get(hermes_slug, []) or curated.get(pid, []))
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_ids = cached_provider_model_ids(hermes_slug)
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model_ids = _ids if _ids else (curated.get(hermes_slug, []) or curated.get(pid, []))
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except Exception:
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model_ids = curated.get(hermes_slug, []) or curated.get(pid, [])
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else:
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# Use curated list — look up by Hermes slug, fall back to overlay key
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model_ids = curated.get(hermes_slug, []) or curated.get(pid, [])
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# Merge with models.dev for preferred providers (same rationale as above).
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if hermes_slug in _MODELS_DEV_PREFERRED:
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model_ids = _merge_with_models_dev(hermes_slug, model_ids)
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# Unified pathway — see Section 1 rationale. Fall back to the
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# curated dict (with models.dev merge for preferred providers)
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# when the live fetcher comes up empty.
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model_ids = cached_provider_model_ids(hermes_slug)
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if not model_ids:
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model_ids = curated.get(hermes_slug, []) or curated.get(pid, [])
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if hermes_slug in _MODELS_DEV_PREFERRED:
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model_ids = _merge_with_models_dev(hermes_slug, model_ids)
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total = len(model_ids)
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top = model_ids[:max_models]
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@ -1436,13 +1448,15 @@ def list_authenticated_providers(
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# region (eu.*, us.*, ap.*) instead of the hardcoded us.* static list.
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if _cp_config and getattr(_cp_config, "auth_type", "") == "aws_sdk":
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try:
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from agent.bedrock_adapter import bedrock_model_ids_or_none
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_ids = bedrock_model_ids_or_none()
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_cp_model_ids = _ids if _ids is not None else curated.get(_cp.slug, [])
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_ids = cached_provider_model_ids(_cp.slug)
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_cp_model_ids = _ids if _ids else curated.get(_cp.slug, [])
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except Exception:
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_cp_model_ids = curated.get(_cp.slug, [])
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else:
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_cp_model_ids = curated.get(_cp.slug, [])
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# Unified pathway — same as sections 1 and 2.
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_cp_model_ids = cached_provider_model_ids(_cp.slug)
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if not _cp_model_ids:
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_cp_model_ids = curated.get(_cp.slug, [])
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_cp_total = len(_cp_model_ids)
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_cp_top = _cp_model_ids[:max_models]
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