refactor: Still trying to reorganize edit mode to be more robust

Makefile

@@ -73,6 +73,7 @@ help:
 	@echo "Test Efficiency (Issue #57):"
 	@echo "  test-clean      - Clean test run (exclude workspaces, fresh cache)"
 	@echo "  test-tdd        - Quick TDD tests for fast feedback (<30s)"
+	@echo "  test-fast       - Skip slow tests for fast development feedback"
 	@echo "  test-changed    - Run tests for changed files only"
 	@echo "  test-module MODULE=name - Run tests for specific module"
 	@echo "  test-cache-clean - Clean pytest cache"
@@ -982,7 +983,15 @@ test-efficient: $(VENV)/bin/activate
 		--tb=short \
 		--maxfail=5
 
-.PHONY: test-clean test-tdd test-changed test-module test-cache-clean test-efficient
+test-fast: $(VENV)/bin/activate
+	@echo "⚡ Running fast test suite (excluding slow tests)..."
+	@PYTHONPATH=. $(VENV_PYTHON) -m pytest tests/ \
+		-m "not slow" \
+		-v \
+		--tb=short \
+		--maxfail=5
+
+.PHONY: test-clean test-tdd test-changed test-module test-cache-clean test-efficient test-fast
 
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