v0.1.4

Includes PRs #117, #118, #119, #120.

Breaking

• Multi-file form upload bindings serialise as JSON array (including single-file). Migrate via SELECT value FROM json_each(:files) LIMIT 1.

Added

• upload-extensions: config with +ext/-ext/* operators.
• serve-roots: config and respond file <path> [as <name>] [inline|attachment] statement.
• llm/agent execute inside job and schedule bodies, with on progress handler.
• Fragment slots, block-form invocation, named slot forwarding, query/list args for fragments.

See CHANGELOG.md for full details.