docs(claude): add CLAUDE.md with TypeScript Exemptions table (#7)

Author: hyperpolymath

.claude/CLAUDE.md

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+# CLAUDE.md
+
+Repository-specific guidance for AI agents working in this repo. See the org-wide standard guidance in standards/.
+
+### TypeScript Exemptions (Approved)
+
+The hyperpolymath "no new TypeScript" policy has the following approved exemptions in this repo. These are *not* policy violations — they are documented carve-outs.
+
+| Path | Files | Rationale | Unblock condition |
+|---|---|---|---|
+| `apps/api/main.ts` | 1 | Express-style API service entry point; node-native HTTP framework. | AffineScript Node-target codegen (affinescript#35) + Express bindings. |
+| `apps/api/src/config.ts` | 1 | API service config loader; node fs + dotenv. | AffineScript Node-target (#35) + config-load bindings. |
+| `apps/api/src/repository.ts` | 1 | API service data-access layer; node DB driver. | AffineScript Node-target (#35) + DB driver bindings. |
+| `apps/api/src/verisimClient.ts` | 1 | API service client for VerisimDB; node-native HTTP client. | AffineScript HTTP client + VerisimDB SDK. |
+
+Adding to this list requires explicit user approval and an unblock condition. New TypeScript files outside this list are blocked by the RSR antipattern check.