experiment(core): implement typed source-default field policy

2026-09-13 03:18:49 -07:00
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+# Isolated default-policy experiment
+
+Read [the implementation/evidence report](../../text-default-omission-policy-20260913.md).
+The original iteration passed16 map tests and strict targeted Clippy. After
+review, two tests were added; the final iteration passes18 and strict targeted
+Clippy. Prototype/production bytes stayed unchanged between iterations.
+
+Each of the four gate directories contains raw stdout/stderr, start/result
+receipts and608 captured source files in JSON/ZIP. The capture explicitly
+includes the compiled harness prototype. The exact runner is `gate-policy.py`;
+its producer-host paths need adaptation for a new capture. The report supplies
+direct reproducible Cargo commands. Reviews retain their static/runtime scope.
+
+Run `python -B verify.py` here for read-only checks of membership, byte hashes,
+source ZIPs, receipts, Cargo outcomes, the two added test names and unchanged
+prototype/production across iterations. `files.json` pins every other file;
+Git identifies that manifest. Test binaries are not included; hashes are
+historical runner receipts. These records establish an experimental map policy,
+not public source formatting, lossless edits, source8, GUI/API, Linux or release
+acceptance. The production baseline's three preservation defects remain open.