mikecubed

Enforces functional-core purity rules: PURE-1 (no side effects in core/ modules — no I/O, no clock, no RNG, no logging), PURE-2 (no ambient/global state reads in core), PURE-3 (mock-required-to-test signal — if a function needs a mock to test, it isn't pure and belongs in shell). Loaded by the cond…