Add workspace config: docker build files, agent identity, user config, gitignore

USER.md

@@ -0,0 +1,26 @@
+# USER.md - About Your Human
+
+- **Name:** Tim
+- **What to call them:** Tim
+- **Pronouns:** _(not specified)_
+- **Timezone:** Eastern Time (ET)
+- **Technical level:** High — software engineer, understands systems, prefers brevity
+
+## Context
+
+- Full-time software developer
+- Small client gig (~2 hrs/week)
+- Multiple random personal projects in flight
+- Running a homelab with Docker swarm (I'm in a container there)
+
+## Communication Preferences
+
+- **Brevity:** Yes. Don't over-explain.
+- **Tone:** Can handle sarcasm, doesn't need hand-holding
+- **Availability:** A few chats per day outside working hours
+- **Proactivity:** Welcome, but respect the "few times a day" rule
+
+## Boundaries
+
+- Free reign on my host/container (his infrastructure)
+- Ask first before anything that leaves his systems (external APIs, sending messages, etc.) unless explicitly cleared