docs: comprehensive accuracy audit fixes (35+ corrections)

CRITICAL fixes:
- Installation: Remove false prerequisites (installer auto-installs everything except git)
- Tools: Remove non-existent 'web_crawl' tool from tools table
- Memory: Remove non-existent 'read' action (only add/replace/remove exist)
- Code execution: Fix 'search' to 'search_files' in sandbox tools list
- CLI commands: Fix --model/--provider/--toolsets/--verbose as chat subcommand flags

IMPORTANT fixes:
- Installation: Add missing installer features (Node.js, ripgrep, ffmpeg, skills seeding)
- Installation: Add 6 missing package extras to table (mcp, honcho, tts-premium, etc)
- Installation: Fix mkdir to include all directories the installer creates
- Quickstart: Add OpenAI Codex to provider table
- CLI: Fix all 'hermes --flag' to 'hermes chat --flag' across all docs
- Configuration: Remove non-existent --max-turns CLI flag
- Tools: Fix 'search' to 'search_files', add missing 'process' tool
- Skills: Remove skills_categories() (not a registered tool)
- Cron: Remove unsupported 'daily at 9am' schedule format
- TTS: Fix output directory to ~/.hermes/audio_cache/
- Delegation: Clarify depth limit wording
- Architecture: Fix default model, chat() signature, file names
- Contributing: Fix Python requirement from 3.11+ to 3.10+
- CLI reference: Add missing commands (login, tools, sessions subcommands)
- Env vars: Fix TERMINAL_DOCKER_IMAGE default, add HERMES_MODEL

website/docs/getting-started/quickstart.md

@@ -40,6 +40,7 @@ This walks you through selecting an inference provider:
 | Provider | What it is | How to set up |
 |----------|-----------|---------------|
 | **Nous Portal** | Subscription-based, zero-config | OAuth login via `hermes model` |
+| **OpenAI Codex** | ChatGPT OAuth, uses Codex models | Device code auth via `hermes model` |
 | **OpenRouter** | 200+ models, pay-per-use | Enter your API key |
 | **Custom Endpoint** | VLLM, SGLang, any OpenAI-compatible API | Set base URL + API key |
 
@@ -161,7 +162,7 @@ mcp_servers:
 | `hermes` | Start chatting |
 | `hermes setup` | Configure providers and settings |
 | `hermes model` | Switch provider or model |
-| `hermes tools` | See all available tools |
+| `hermes tools` | Configure which tools are enabled per platform |
 | `hermes doctor` | Diagnose issues |
 | `hermes update` | Update to latest version |
 | `hermes gateway` | Start the messaging gateway |