v0.19.0

• Interactive robot work uses the current directory as a persistent project.
  A first-use trust screen offers this directory, another directory, or a new
  one; --workspace DIR chooses one explicitly and --trust-workspace
  accepts it for scripts. Existing project files and directory permissions
  are retained. Robot documentation and tools are separate under /robot;
  per-run config and robot logs live in the project's .openrua/runs/.
  Project guidance helps the agent organize code, observations and handoff
  notes. Environment selections are saved per project without credentials.
• Opening a project starts a new conversation. --resume and /resume
  search only that directory; --all and the picker's Tab switch include
  all projects and older records. Confirmed ended project conversations can
  continue their native agent conversation on fresh robot resources, retaining
  model and permission settings, without replaying old actions or queued work.
  The next instruction carries a reminder to inspect the current scene.
  Missing project directories keep their history read-only instead of being
  recreated during resume.
• Upgrade: --workspace on interactive entry points now names the project
  directory itself, which can contain existing files. Previously it named
  an empty run directory containing a workspace/ child. Existing records
  remain readable through --resume --all. Recorded task and benchmark
  trials retain their fresh-workspace protocol and original starter template.