diff --git a/.python-version b/.python-version
deleted file mode 100644
index 24ee5b1..0000000
--- a/.python-version
+++ /dev/null
@@ -1 +0,0 @@
-3.13
diff --git a/Cargo.toml b/Cargo.toml
index ab1e57d..88deb58 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,3 +1,3 @@
 [workspace]
-members = ["crates/sandcage"]
+members = ['crates/sandcage']
 resolver = "3"
diff --git a/justfile b/justfile
index f001b1f..0a7a6bd 100644
--- a/justfile
+++ b/justfile
@@ -1,11 +1,4 @@
 # Justfile for Sandcage
-#
-# Environment variables are loaded from `.env` automatically.
-set shell := ["sh", "-cu"]
-set windows-shell := ["sh", "-cu"]
-set dotenv-load := true
-
-export PYTHONIOENCODING := "utf-8"
 
 # Default: list available recipes.
 default:
@@ -19,33 +12,11 @@ check:
 build:
     cargo build
 
-# Run unit tests (fast, no Docker required).
+# Run unit tests.
 test:
-    cargo test --workspace --exclude sandcage-test
-
-# Run drift-guard and CLI smoke tests (fast, no Docker).
-test-drift:
-    cargo test -p sandcage-test -- --test-threads=1
-
-# Run functional tests (requires Docker + pre-built images).
-test-functional:
-    cargo test -p sandcage-test -- --ignored --test-threads=1
-
-# Run all tests.
-test-all: test test-drift test-functional
-
-# Run Claude Code.
-claude:
-    claude --allow-dangerously-skip-permissions
-
-# Export to public repo (force-with-lease push to main).
-export *FLAGS:
-    uv run python scripts/export.py push {{FLAGS}}
-
-# Dry-run export (inspect without pushing).
-export-dry:
-    uv run python scripts/export.py push --dry-run
+    cargo test --workspace
 
+# Install sandcage and build images.
 install:
     cargo install --path crates/sandcage
     sandcage build --force