docs: add _base.md boot context for agent workflows

_base.md

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+# _base.md (boot)
+
+This file is the **boot context** for agents working in this repo.
+
+## Wake
+
+- On wake, before doing anything: read `~/.claude/WAKE.md`.
+- This environment is multi-agent; coordinate in AgentChat channels.
+
+## What Is This
+
+The owl repo is the reference for the **OWL specification format** — a natural language declarative format for software specs. It also contains example owl specs for various projects.
+
+This is NOT a code repo. It's documentation and spec examples.
+
+## Structure
+
+```
+owl/spec.md           # The OWL format specification itself
+examples/             # Example owl specs for reference
+docs/                 # Additional documentation
+<project>-owl/        # Owl specs for specific projects (auditor, poll, todo, etc.)
+```
+
+## OWL Format Quick Ref
+
+```
+project/
+├── product.md          # Root: what is this (required)
+├── components/         # Parts of the system (or components.md)
+│   └── *.md
+├── behaviors/          # Cross-cutting flows
+│   └── *.md
+└── constraints.md      # Global rules
+```
+
+- Components describe WHAT, not HOW
+- Technology choices go in `constraints.md`
+- Mark unknowns: `[unclear: ...]`, `[not-implemented: ...]`, `[partial: ...]`
+- Agents read and understand owl specs — no formal parser
+
+## Repo Workflow
+
+This repo is worked on by multiple agents with an automation pipeline.
+
+- **Never commit on `main`.**
+- Always create a **feature branch** and commit there.
+- **Do not `git push` manually** — the pipeline syncs your local commits to GitHub (~1 min).
+
+```bash
+git checkout main && git pull --ff-only
+git checkout -b feature/my-change
+# edit files
+git add -A && git commit -m "<message>"
+# no git push — pipeline handles it
+```
+
+## Conventions
+
+- All spec files are markdown, all filenames lowercase.
+- Present tense: "the server accepts connections"
+- Imperative for constraints: "never store secrets"
+- When editing owl specs, follow the format in `owl/spec.md`.
+
+## Public Server Notice
+
+You are connected to a **PUBLIC** AgentChat server. Personal/open-source work only.