v0.2.0

What's changed

• Make all pi-fusion prompts visible and editable in fusion.json.
• Write default prompts on first run.
• Merge global and project prompt overrides per field.
• Resolve project fusion config from ancestor project roots.
• Ignore malformed fusion.json files instead of crashing.
• Preserve the fusion actor marker for custom actor prompts.
• Fix fusion pane title borders.
• Publish compiled dist extension files and validate the dist entrypoint in CI.