Restore archived tasks, fix dashboard scroll-reset, bind ornith, add Playwright smoke test

- **Restore 82 completed tasks** from tasks/complete/ back to tasks/ top
  level (all <7 days old per the cleanup policy; premature bulk archive
  was fixed).
- **Dashboard: fix scroll-reset on auto-refresh** — renderBoard rebuilds
  the board via innerHTML every 2s, destroying each column-body's
  scrollTop. Now snapshots column-body scrollTop + board.scrollLeft +
  view.scrollTop before rebuild and restores after (matched by
  PHASE_GROUPS index).
- **Dashboard UI additions** (pre-existing unstaged work): approval
  section cards, transition buttons, inline artifact editor (textarea for
  writing missing SPEC/VERDICT/etc from the detail modal).
- **Bind ornith as Implement model** — config.md: Model explicit to
  omlx/Ornith-1.0-35B-4bit-mlx, context window 32768. Interactive
  autopilot already used ornith via opencode default; now explicit.
- **Fix cleanup stub** — automaton-cleanup.sh had a stale --project arg
  pointing at a pytest temp dir (test isolation leak). Rewired to point
  at ~/.automaton.
- **Fix plist-isolation test** — test asserted host plist doesn't exist,
  but a real install creates it. Now snapshots mtime before run, asserts
  unchanged after (only a write during the test counts as bleed).
- **New Playwright smoke test** (tests/test_dashboard_ui.py) — 2 tests:
  board renders tasks, column scroll survives auto-refresh tick.
  Verified the test fails without the scroll fix (scrollTop resets to 0).
  Skipped via importorskip when playwright is absent (main CI stays
  green).
- **Clarify SI loop scope in README** — new-project onboarding section
  documents the framework-scoped self-improvement loop and options
  (leave/pause/create project loop).
- **CHANGELOG** documents all changes including the known model-divergence
  gap (mde tasks marked complete but per-role model binding was never
  implemented).

tasks/linux-schedule-parity/IMPLEMENTATION.md

@@ -0,0 +1,33 @@
+# Implementation: linux-schedule-parity
+
+## What was implemented
+
+### `_install_cron_block(name, project, interval_seconds)` — new
+
+Inserts a cron block (`# automaton-loop:<name>` / `# end automaton-loop:<name>`) into the user's crontab via `crontab -`. Returns 0 on success, 2 on write error. Interval is rounded to full minutes (minimum 1). Strips any prior block for the same loop before inserting (idempotent).
+
+### `_enable_schedule(name, project)` — new
+
+Inverse of `_disable_schedule`. Platform dispatch:
+- **Linux**: calls `_install_cron_block` (re-inserts cron entry after resume)
+- **Darwin**: renames `com.automaton.loop.{name}.plist.disabled` → `com.automaton.loop.{name}.plist`
+- **Windows**: no-op (no OS schedule support in v1)
+
+Reads `loop.json` → `schedule.interval_seconds` for the interval; falls back to 3600s (config default). Non-int values return fallback without crashing.
+
+### `_disable_schedule(name, project)` — already existed
+
+Verified and refined. Strips the `# automaton-loop:<name>` block from crontab. Platform dispatch: Linux (crontab), Darwin (rename .plist → .plist.disabled), Windows (no-op).
+
+## Files changed
+
+- `scripts/status.py` — added `_install_cron_block`, `_enable_schedule` (lines ~1850-1890)
+
+## Tests
+
+13 tests in `tests/test_linux_schedule_parity.py` covering:
+- Fresh cron block writes, prior block stripping, write error handling
+- Interval rounding and minimum clamping
+- Enable schedule: stub exists/absent, interval from cfg, garbage interval fallback, idempotent calls
+- Darwin/Windows dispatch branches
+- Disable schedule: block extraction correctness