feat: add DeepSeek and NVIDIA NIM providers

- Add deepseek and nvidia entries to gateway-provider config

- Add DEEPSEEK_API_KEY and NVIDIA_API_KEY to .env.example

- Add deepseek and nvidia to doctor's LLM provider check

- Fix remaining harness-log → log-message reference

docs/USER_MANUAL.org

@@ -1,25 +1,25 @@
-#+TITLE: OpenCortex User Manual
-#+AUTHOR: OpenCortex Contributors
+#+TITLE: Passepartout User Manual
+#+AUTHOR: Passepartout Contributors
 #+STARTUP: content
 #+FILETAGS: :docs:manual:
 
 * Introduction
-Welcome to OpenCortex v0.1.0 (The Autonomous Foundation). OpenCortex is a neurosymbolic AI agent and a Lisp Machine operating system designed to autonomously maintain your Memex (knowledge base) and interact with you via multiple, equal-citizen interfaces.
+Welcome to Passepartout v0.1.0 (The Autonomous Foundation). Passepartout is a neurosymbolic AI agent and a Lisp Machine operating system designed to autonomously maintain your Memex (knowledge base) and interact with you via multiple, equal-citizen interfaces.
 
 * Installation
-OpenCortex is bootstrapped via a single shell script.
+Passepartout is bootstrapped via a single shell script.
 
 ** Quick start (curl)
 
 #+begin_src bash
-curl -fsSL https://raw.githubusercontent.com/amrgharbeia/opencortex/main/opencortex.sh | bash -s configure
+curl -fsSL https://raw.githubusercontent.com/amrgharbeia/passepartout/main/passepartout.sh | bash -s configure
 #+end_src
 
 ** From a clone
 
 #+begin_src bash
-git clone https://github.com/amrgharbeia/opencortex.git ~/projects/opencortex
-~/projects/opencortex/opencortex.sh configure
+git clone https://github.com/amrgharbeia/passepartout.git ~/projects/passepartout
+~/projects/passepartout/passepartout.sh configure
 #+end_src
 
 Both methods will:
@@ -37,33 +37,33 @@ The system is configured via a `.env` file in the project root. Essential variab
 - `PROVIDER_CASCADE`: The fallback order for LLM providers (e.g., `openrouter,ollama,anthropic`).
 - `MEMEX_DIR`: The absolute path to your knowledge base (defaults to `~/memex`).
 
-* Interacting with OpenCortex
+* Interacting with Passepartout
 Because of the Unified Envelope Architecture, the kernel treats all clients as interchangeable. You must first boot the background daemon:
 
 #+begin_src bash
-./opencortex.sh --boot &
+./passepartout.sh --boot &
 #+end_src
 
 ** Terminal User Interface (TUI)
 For a rich, split-pane terminal experience:
 #+begin_src bash
-./opencortex.sh tui
+./passepartout.sh tui
 #+end_src
 
 ** Command Line Interface (CLI)
 For raw, pipe-friendly interaction:
 #+begin_src bash
-./opencortex.sh cli
+./passepartout.sh cli
 #+end_src
 
 ** Emacs Integration
-OpenCortex functions as your "foveal vision" inside Emacs.
+Passepartout functions as your "foveal vision" inside Emacs.
 1. Ensure `org-agent.el` is loaded.
-2. Run `M-x opencortex-connect`.
-3. Interact via the `*opencortex-chat*` buffer.
+2. Run `M-x passepartout-connect`.
+3. Interact via the `*passepartout-chat*` buffer.
 
 * The Memex Structure
-OpenCortex assumes a local folder structure representing your "Memex".
+Passepartout assumes a local folder structure representing your "Memex".
 - Core memories and identities are mapped to Org-mode files.
 - The `Scribe` background worker distills chronological logs into structured Zettelkasten notes.
 - The `Gardener` continuously repairs broken links and flags orphaned nodes.
@@ -75,9 +75,9 @@ OpenCortex assumes a local folder structure representing your "Memex".
 The ~configure~ command supports both Debian-based (Ubuntu, Pop, Mint) and Fedora-based (RHEL, Rocky) distributions. It detects your distro automatically and installs the correct packages.
 
 #+begin_src bash
-./opencortex.sh configure              # interactive
-./opencortex.sh configure --non-interactive  # headless
-./opencortex.sh configure --with-firewall    # also open port 9105
+./passepartout.sh configure              # interactive
+./passepartout.sh configure --non-interactive  # headless
+./passepartout.sh configure --with-firewall    # also open port 9105
 #+end_src
 
 After configuration, you can re-run ~configure~ any time to add providers or link gateways.
@@ -85,15 +85,15 @@ After configuration, you can re-run ~configure~ any time to add providers or lin
 ** systemd service (auto-start on boot)
 
 #+begin_src bash
-./opencortex.sh install service
+./passepartout.sh install service
 #+end_src
 
-Installs a user-level systemd unit that starts the daemon on login. Logs are available via ~journalctl --user -u opencortex.service -f~.
+Installs a user-level systemd unit that starts the daemon on login. Logs are available via ~journalctl --user -u passepartout.service -f~.
 
 To remove:
 
 #+begin_src bash
-./opencortex.sh uninstall service
+./passepartout.sh uninstall service
 #+end_src
 
 ** Docker
@@ -110,7 +110,7 @@ This builds an image from ~debian:trixie-slim~ with all dependencies pre-install
 ** Backup
 
 #+begin_src bash
-./opencortex.sh backup ~/my-backup.tar.gz
+./passepartout.sh backup ~/my-backup.tar.gz
 #+end_src
 
 Backs up the config, data, and memex directories.
@@ -118,7 +118,7 @@ Backs up the config, data, and memex directories.
 ** Restore
 
 #+begin_src bash
-./opencortex.sh restore ~/my-backup.tar.gz
+./passepartout.sh restore ~/my-backup.tar.gz
 #+end_src
 
-Restores from a backup file. Run ~opencortex doctor~ afterward to verify integrity.
+Restores from a backup file. Run ~passepartout doctor~ afterward to verify integrity.