Resolve stale forge.lthn.ai/core/cli v0.1.0 references (tag never existed, earliest is v0.0.1) and regenerate go.sum via workspace-aware go mod tidy. Co-Authored-By: Virgil <virgil@lethean.io>
Go source at root level (Option B), PHP under src/php/. Module path: forge.lthn.ai/core/api Package name: lthn/api Co-Authored-By: Virgil <virgil@lethean.io>