status(1e): E1/HC3 CLAIMED — additive generic + op-once verified e2e (custom-html)

default run: every tier ran generic+overlay (op once, deploy-count=1); CCCI_SKIP_GENERIC=1 run:
generic skipped, overlays only. Clean teardown both. E0/HC2 recorded as Adversary PASS.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

machine-docs/BACKLOG-1e.md

@@ -6,7 +6,7 @@ Phase-namespaced backlog. Builder edits `## Build backlog`; Adversary edits `##
 - [x] **E0 / HC2** — repo-local approval allowlist (`tests/repo-local-approved.txt`, default-deny);
       gate `discovery.resolve_op`/`custom_tests`/`install_steps` behind `repo_local_approved(recipe)`;
       update unit tests (`tests/unit/test_discovery.py`) for approved vs non-approved.
-- [ ] **E1 / HC3** — generic-by-default (additive); op/assertion split. Orchestrator performs each
+- [x] **E1 / HC3** — generic-by-default (additive); op/assertion split. Orchestrator performs each
       mutating op once; runs generic test_<op>.py (unless opt-out) + overlay test_<op>.py. Opt-out:
       `CCCI_SKIP_GENERIC` / `CCCI_SKIP_GENERIC_<OP>` / `recipe_meta.SKIP_GENERIC`. Pre-op seed via
       optional `tests/<recipe>/ops.py`. Migrate generic + overlays to assertion-only. Keep count==1.