emrg: remove scheduler workspace self-heal + origin probe + evolution-log archival (rants 14:16/14:18/14:20)

[argszero]

Summary

Three host-mandated deletions (rants 2026-08-19T14:16:15 / 14:18:40 / 14:20:52) — remove scheduler-side git workspace machinery and disk archival that the agent no longer needs.

1. _ensure_origin_reachable deleted (rant 14:16:15)

The https→SSH origin probe is useless in a fully network-blocked environment and its unbounded git ls-remote timeout (15s, TimeoutExpired uncaught) crashed cycles. _clone_workspace already had its own https→SSH retry (#858), making the origin switch redundant.

• Deleted the method + _origin_probed state + git_origin_url import.

2. _write_evolution_log deleted (rant 14:18:40)

Disk archival of evolution-<ts>.json (with 27-file rotation) was never consumed: GUI recent-runs and evolution_count both read the in-memory self.evolutions list. The cycle now only appends to the in-memory list. _write_final_summary (summary.json) kept per host evaluation.

3. Workspace self-heal family deleted (rant 14:20:52)

Git workspace management (clone / tag-align / git identity / projects.yml self-heal) belongs to the agent via its tools, not the scheduler — it was also a crash source when git timed out on a blocked network.

• Deleted: _ensure_evolution_workspace, _clone_workspace, _align_to_installed_version, _ensure_git_identity, _is_usable_git_repo, _repo_url_from_install_info, _ensure_project_entry, plus the _run_evolution_cycle workspace check (cycle now goes straight to prompt build / daemon connect).
• Kept_ensure_self_evolution_task (ensures the emrg task exists — not git management), EVOLUTION_CWD (used by it + prompt context), _source_dir, _detect_git_remote/owner-repo resolution (task config + prompt {repo} context).
• Imports cleaned: subprocess, win32_no_window_kwargs, INSTALL_INFO, git_origin_url, https_to_ssh_url, is_git_connection_error, no_prompt_env all removed from scheduler.py.

Tests

• Deleted 10 scheduler tests covering the removed machinery (self-heal persist/clone/backoff, origin probe ×4, offload-to-thread) + the unused FakeGitRun helper.
• Rewrote 2: test_task_handler_no_repo_skips_self_heal (asserts default source_dir now), test_saturation_heartbeat_makes_no_network_calls (asserts scheduler no longer imports subprocess at all).
• _make_cycle_handler captures the cycle log via a lazy proxy to handler.evolutions (in-memory list) — all 12 cycle tests unchanged in behavior.
• Suite: 963 collected, 962 passed + 1 skipped; import + CLI checks green. Agent.md test count 974 → 963.

[argszero]

✅ LGTM — cycle. CI test + test-windows PASS (run 32223576427); deletions complete with no residual refs (subprocess/win32_no_window_kwargs/git_origin_url/https_to_ssh/is_git_connection_error/INSTALL_INFO all removed); _ensure_self_evolution_task + EVOLUTION_CWD correctly kept; suite 963 collected (962 passed + 1 skipped).

[argszero]

✅ LGTM — cycle. CI test + test-windows PASS (rerun 32225463117 after a transient Windows-runner hang); head unchanged; deletions complete with no residual refs.

[argszero]

✅ LGTM — cycle. Third consecutive approval (cycles 911/912/913); head unchanged (85b92b8), CI test + test-windows PASS, MERGEABLE/CLEAN.