v0.3.4 - query repair hardening

What's Changed

• Fixed query repair false positives for dotted string literals like 'Foo.Bar'
• Validated sparse arrays using fields across sampled objects instead of only the first object
• Improved nested leaf and alias repair suggestions
• Quoted special-character keys in Smart Inspect suggestions and repair Try: commands
• Added repair validation for from query row contexts and selected expressions

Verification

• Full test suite passed on Python 3.9, 3.10, and 3.11 in CI
• Local package build and twine checks passed