feat(parser): add Kilo session parser support

[gha-kzr]

Description

Add support for kilo code
Kilo code is a fork of opencode
The PR replicates most of the opencode parser

• Add parser-kilo.ts with findKiloDirs() and parseKiloSessions()
• Register the Kilo harness in parser-harnesses.ts
• Include parser-kilo.test.ts with test coverage
• Add Kilo to trusted roots in parser-shared.ts

Related Issues

Checklist

• npm run check passes (typecheck + lint + spellcheck + knip + tests)
• Changes are covered by tests (if applicable)
• Documentation updated (if applicable)

[gha-kzr]

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