feat: add .dockerignore for HF Spaces deployment

.dockerignore

@@ -0,0 +1,35 @@
+# ─── Version control ───────────────────────────────────────────────────
+.git/
+.gitignore
+
+# ─── Virtual environment (not needed — Docker installs deps) ───────────
+.venv/
+venv/
+
+# ─── Python cache ──────────────────────────────────────────────────────
+__pycache__/
+*.pyc
+*.pyo
+.pytest_cache/
+
+# ─── Model weights — downloaded inside Dockerfile, NOT from build context
+.local/models/
+
+# ─── Gradio cache ─────────────────────────────────────────────────────
+.gradio/
+
+# ─── OS files ──────────────────────────────────────────────────────────
+.DS_Store
+Thumbs.db
+
+# ─── Test output files (from tests/test_outputs/) ──────────────────────
+tests/test_outputs/
+
+# ─── Lock file — not needed inside container (pip install handles it) ──
+uv.lock
+
+# ─── Docs / plans (not needed at runtime) ──────────────────────────────
+docs/
+
+# ─── Agent conventions (not needed at runtime) ─────────────────────────
+AGENTS.md