initial uv project setup

AGENTS.md

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+# AGENTS.md
+
+## Current status
+
+Rebuild initialized.
+
+## Completed steps
+
+None yet.
+
+## Current step
+
+Step 1 - Public API contract and pure core.
+
+## Design decisions
+
+- Package is managed with uv.
+- Public import is `import dpg_map as dpgm`.
+- Dear PyGui calls are GUI-thread-only.
+- Runtime public calls enqueue commands or update logical state.
+- Overlay updates must not reset center/zoom.
+- The widget uses child_window + measured-size drawlist.
+- Tiles use a memory cache and persistent disk cache.
+- Tile providers are interchangeable.
+
+## Known issues
+
+None yet.
+
+## Commands used
+
+- Read `STEPS.md`, `FEATURES.md`, and `ARCHITECTURE.md`.
+- Created initial package, examples, tests, and agent-log structure.
+
+## Next action
+
+Implement Step 1.