Rename RFCs to Agent Notes

AGENTS.md

@@ -33,7 +33,8 @@ packages/    @deepseek-ai/dsh-<pkg> workspaces at packages/<group>/<pkg>/
   util/        zero-dependency utilities
 python/      Python SDK and bundled runtime (see python/README.md)
 examples/    Runnable cordis.yml leaves over packages/examples bundles (see examples/AGENTS.md)
-docs/        architecture, generated catalogs, RFCs, postmortems, cookbook (see docs/AGENTS.md)
+.agents/     Agent workflows and Agent Notes (`notes/`)
+docs/        architecture, generated catalogs, postmortems, cookbook (see docs/AGENTS.md)
 scripts/     repo gates and generators
 website/     VitePress docs site (zh-CN); api/ pages generated from source
 ```
@@ -116,7 +117,7 @@ Real-API tests and demos read `DEEPSEEK_API_KEY`, optional `DEEPSEEK_BASE_URL`,
 - **An empty `catch` names what it swallows** and why nothing else can reach it; keep the `try` to one statement.
 - **Prefer symmetry for parallel values**; unexplained asymmetry usually signals a missed extraction.
 - **Tests describe behavior, not correctness.** Change obsolete behavior with its tests; explain why in the PR.
-- **Validate RFC premises against current code**; friction may expose overreach, so amend proposals before moving them to `implemented/`.
+- **Validate Agent Note premises against current code**; friction may expose overreach, so amend proposals before moving them to `implemented/`.
 - **Testing policy** — [docs/testing.md](docs/testing.md). Transcript changes need snapshots or a PR note. Fixtures must replay on macOS/Linux; fix fixtures, not normalizers.
 - **A tool's ACP render intent is part of its design**, decided up front (`generic`/`terminal`/`diff`, `locations`); presentation methods are pure functions of `args` ([cookbook](docs/cookbook/adding-a-tool.md)).
 - **Plan unit, e2e, and snapshot coverage** for new seams, lifecycle shapes, and transcript surfaces, and schedule any missing harness support before implementation.