chore: bootstrap poller-sandbox (test project for autonomous poller)

.wiki/CLAUDE.md

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+# Wiki Schema — poller-sandbox
+
+Project-specific wiki conventions. Read this before any wiki operation.
+
+This wiki follows Karpathy's LLM Wiki pattern:
+**https://gist.github.com/karpathy/442a6bf555914893e9891c11519de94f**
+
+## Page types
+
+- `entities/` — discrete things the project tracks (people, services, modules).
+- `concepts/` — recurring ideas, design decisions, gotchas.
+- `packages/` — code packages this project produces or consumes.
+- `sources/` — one summary page per ingested external doc.
+- `overview.md` — single project-wide overview.
+
+## Naming
+
+- `kebab-case.md`, **Latin only**.
+
+## Domain conventions
+
+<!-- Песочница поллера — тестовые артефакты, wiki почти не используется. -->