chore(main): release 0.4.0

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🤖 I have created a release beep boop

0.4.0 (2026-03-02)

Features

• keyword: add keyword module with docs, types, and tests (#6) (d0103c1)
• List: add and document __add operator behavior (44420a5)
• List: add equals method and __eq metamethod (f5099fe)
• List: add keypath() method (08f15d8)
• List: add lexicographic lt/le comparisons (967dd74)
• List: add mul method and __mul operator (a24d77b)
• List: add native concat method (3110103)
• List: add optional quoted mode to join (a095afb)
• List: add tostring method and metamethod (94f8516)
• List: make join stringify values safely (fb89a80)
• List: support subtraction operator for difference (211bc1a)
• repr: add repr module (#7) (da6bcec)
• runtime: add runtime metadata module (dd38008)
• Set: add __add metamethod for union (60c989e)
• Set: add __lt and __le subset comparisons (bc77e7f)
• Set: add __sub metamethod for difference (347300f)
• Set: add & operator for intersection (b22cc21)
• Set: add ^ operator for symmetric difference (3a9b379)
• Set: add | operator for union (9478734)
• Set: add contains method (b11f050)
• Set: add equality method and __eq metamethod (f51af8d)
• tbl: add keypath() function (4b2f590)
• tbl: add same function (c8e0c55)

Bug Fixes

• is: add __index for case-insensitive type lookups (6423e02)
• str: return single values from gsub-backed helpers (d8ab831)
• template: validate template and view argument types (e55f1a2)

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[github-actions]

🤖 Created releases:

• v0.4.0

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