Release v1.2.0

[fuhan666]

Summary

This release adds selective read capabilities, record-shaped output, filtering, pagination, and TUI query preview.

What's New

• read rows column selection with --select
• read rows and read records filtering with --filter field:op:value (AND semantics)
• Filter operators: eq, ne, gt, gte, lt, lte, contains, regex, isnull, notnull
• Pagination with --limit and --offset
• --non-empty to drop all-empty rows
• read records <file> for header-keyed records by default
• --output-shape rows|records|jsonl
• JSON Lines output for stream-friendly processing
• Read-only TUI query preview with :preview / :pv
• Enriched read metadata (filters, selected columns, row count, truncation, output shape)
• CI formatting enforcement with cargo fmt --check

Verification

• cargo fmt --check: clean
• cargo clippy -- -D warnings: clean
• cargo test: 71 passed