refactor: moved org-agent to its own repository as a submodule

projects/org-agent-memex/org-agent-memex-zettlekasten/README.md

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+# Atomic Notes (Atomic Notes (Zettelkasten)) & GTD Automation (org-agent-memex-zettlekasten)
+
+This system uses a hybrid approach to Personal Knowledge Management (PKM). It leverages Emacs Org-mode for low-friction, structured capture into daily logs, and an OpenClaw AI Sub-Agent ("The Scribe") to nightly distill these raw thoughts into an evergreen, atomic Atomic Notes (Atomic Notes (Zettelkasten)).
+
+## 1. Environment Configuration (`.env`)
+To ensure Emacs, OpenClaw, and the Scribe Agent all agree on where files live, we use a single `.env` file at the root of the workspace.
+
+**Action:**
+Copy `.env.example` to `.env` and adjust the paths to match your preferred directory structure.
+
+## 2. Emacs Org-Capture Setup
+All captures route to the current day's log (e.g. `$MEMEX_DAILY/YYYY-MM-DD.org`), preserving the raw chronological context.
+
+**Action:**
+Add the Emacs Lisp snippet from `init-atomic-notes.el` to your `init.el` or `config.el` to set up your capture templates dynamically using the `.env` variables.
+
+## 3. The Distillation State Tracker
+The Scribe Agent uses a JSON file to remember the last Git commit it processed, preventing it from distilling the same notes twice or modifying the daily logs directly.
+
+**Action:**
+Run `./install.sh` to initialize the directory structure and create the state file (`$MEMEX_SYSTEM/distillation-state.json`) automatically.
+
+## 4. OpenClaw Cron Job (The Scribe Agent)
+The final piece is the scheduled automation. We create a cron job in OpenClaw that runs every night, reads the diffs, and creates atomic notes.
+
+**Action:**
+1. Move `openclaw-scribe-skill.org` into your `$MEMEX_SYSTEM/skills/` folder.
+2. Ask your OpenClaw orchestrator/assistant to schedule the Scribe Agent using the `cron` tool, referencing the prompt defined in `$MEMEX_SYSTEM/skills/Scribe-Agent.org` or your renamed skill file.
+3. Configure the cron job to use the model specified in `CURRENT_TEXT_MANIPULATION_MODEL` within your `.env` file (e.g., `google-gemini-cli/gemini-3.1-flash`). You can update this `.env` variable periodically to stay on the most cost-effective text manipulation model.
+
+### Architecture Rules:
+- **Dailies are Immutable:** The Scribe reads `$MEMEX_DAILY/` but NEVER writes to it.
+- **Evergreen Notes:** The Scribe extracts concepts, generates descriptive snake_case filenames (no dates), and writes them to `$MEMEX_NOTES/` with a `Source:` backlink using an Org-ID reference (`id:`) to the original daily file.