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check_for_updates() looked at __file__.parent.parent for a .git dir to diff against origin/main. A nix-built hermes lives in /nix/store with no .git there, so the check fell through to whatever editable-install dev checkout last populated ~/.hermes/.update_check, producing stale "X commits behind" warnings right after a fresh `nix run --refresh`. Embed the locked flake rev into the wrapper as HERMES_REVISION (only on clean builds — dirty refs don't represent any upstream commit). When set, banner.py compares it to upstream main via `git ls-remote` instead of inspecting a local checkout, and the cache key includes the rev so nix updates invalidate immediately. Without local history we can't count commits, so the message is a plain "update available" with no suggested command — nix users may install via `nix run`, profile, system flake, or home-manager, and we don't know which. Also bump web/package-lock.json npmDepsHash via `nix run .#fix-lockfiles`.
Hermes Agent — Web UI
Browser-based dashboard for managing Hermes Agent configuration, API keys, and monitoring active sessions.
Stack
- Vite + React 19 + TypeScript
- Tailwind CSS v4 with custom dark theme
- shadcn/ui-style components (hand-rolled, no CLI dependency)
Development
# Start the backend API server
cd ../
python -m hermes_cli.main web --no-open
# In another terminal, start the Vite dev server (with HMR + API proxy)
cd web/
npm run dev
The Vite dev server proxies /api requests to http://127.0.0.1:9119 (the FastAPI backend).
Build
npm run build
This outputs to ../hermes_cli/web_dist/, which the FastAPI server serves as a static SPA. The built assets are included in the Python package via pyproject.toml package-data.
Structure
src/
├── components/ui/ # Reusable UI primitives (Card, Badge, Button, Input, etc.)
├── lib/
│ ├── api.ts # API client — typed fetch wrappers for all backend endpoints
│ └── utils.ts # cn() helper for Tailwind class merging
├── pages/
│ ├── StatusPage # Agent status, active/recent sessions
│ ├── ConfigPage # Dynamic config editor (reads schema from backend)
│ └── EnvPage # API key management with save/clear
├── App.tsx # Main layout and navigation
├── main.tsx # React entry point
└── index.css # Tailwind imports and theme variables