feat Add Devkit DotNet - .NET/Blazor/DDD skills, orchestrator agent, …

[Hayr06]

…testing scripts

• Added devkit-dotnet.js plugin for skills/agents/commands registration
• Added orchestrator.md as main agent hub
• Added 13 methodology skills (Superpowers)
• Added 2 RAG skills + 1 utils skill
• Added 12 commands (/start, /brainstorm, /plan, /execute, etc)
• Added testing scripts (setup.sh, test-endpoints.sh, test-connections.sh)
• Updated opencode.jsconc (removed invalid hooks, added plugin config)
• Added INSTALL.md documentation

What problem are you trying to solve?

What does this PR change?

Is this change appropriate for the core library?

What alternatives did you consider?

Does this PR contain multiple unrelated changes?

Existing PRs

• I have reviewed all open AND closed PRs for duplicates or prior art
• Related PRs:

Environment tested

Harness (e.g. Claude Code, Cursor)	Harness version	Model	Model version/ID

New harness support (required if this PR adds a new harness)

Clean-session transcript for "Let's make a react todo list"

paste the complete transcript here

Evaluation

• What was the initial prompt you (or your human partner) used to start
  the session that led to this change?
• How many eval sessions did you run AFTER making the change?
• How did outcomes change compared to before the change?

Rigor

• If this is a skills change: I used superpowers:writing-skills and
  completed adversarial pressure testing (paste results below)
• This change was tested adversarially, not just on the happy path
• I did not modify carefully-tuned content (Red Flags table,
  rationalizations, "human partner" language) without extensive evals
  showing the change is an improvement

Human review

• A human has reviewed the COMPLETE proposed diff before submission

[Hayr06]

Todo bien