ead4a1bcf5
Resolves conflicts in hashline-edit module: - Accept Cubic-reviewed fixes from origin/dev - Maintains: insert_before, insert_between, streaming formatters, strict validation - Includes: hashline-chunk-formatter.ts extracted module Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>