chore: move remaining flight plan to system/plans

system/plans/flight-plan-neuro-microkernel.org

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+#+TITLE: Flight Plan: Neuro Microkernel Architecture
+#+DATE: 2026-04-07
+#+FILETAGS: :plan:architecture:neuro:microkernel:psf:
+
+* Overview
+Decouple HTTP request logic from the core neuro kernel (`neuro.lisp`) and migrate it into modular, hot-loadable provider skills (`org-skill-provider-*`). This ensures absolute modular sovereignty.
+
+* Phase A: Demand (PRD)
+- Current state: `neuro.lisp` contains HTTP logic for Groq, OpenRouter, and Gemini.
+- Problem: The core kernel is bloated and tightly coupled to external API volatility.
+- Solution: Move HTTP logic to `org-skill-provider-*` modules. The kernel's `ask-neuro` becomes a pure interface.
+
+* Phase C: Success (Quality - Analyst Phase)
+- **TDD Requirement:** Create `projects/org-agent/tests/neuro-test.lisp` containing assertions for the new `ask-neuro` contract.
+- The tests MUST be executed and PROVE failure before any code is modified.
+- Tests will assert that:
+  1. `ask-neuro` fails gracefully when the `*neuro-backends*` registry is empty.
+  2. `ask-neuro` succeeds when a mock provider is registered and correctly delegates the prompt to the mock function.
+
+* Phase D: Build (Engineering - Coder Phase)
+- Strip `execute-openrouter-request`, `execute-groq-request`, and `execute-gemini-request` from `projects/org-agent/docs/README.org`.
+- Draft `notes/org-skill-provider-openrouter.org`.
+- Draft `notes/org-skill-provider-groq.org`.
+- Draft `notes/org-skill-provider-gemini.org`.
+- Tangle updated `README.org` and new skills.
+
+* Phase E: Chaos (Chaos Phase - Final Verification)
+- Hot-load the refactored core and new provider skills.
+- Run `neuro-test.lisp` and PROVE it passes.
+- Inject a complex chat stimulus and monitor `org-agent-repl.log` for successful autonomous execution.