chore: update submodule refs, clean up plans/evidence, update .gitignore

.omo/evidence/f1-update-sh-optimization.md

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+# F1 — update.sh Optimization Verification
+Date: 2026-05-27
+Plan: .sisyphus/plans/optimize-update-sh.md
+
+## Scenario Test Results
+
+### S1: First run (no state file) ✅
+- Trigger: `rm -f .update-state && bash update.sh`
+- Detection: "First run (no state file found). Full cycle required."
+- Behavior: docker compose down → docker compose build → docker compose up -d
+- Exit: 124 (timed out due to swag init, expected — logic confirmed)
+
+### S2: Second run — skip when no changes ✅
+- Trigger: Create state hash matching exact script logic, then `bash update.sh`
+- Detection: "No changes detected. Skipping build and restart."
+- Behavior: No docker commands executed
+- Exit: 0 (immediate, ~2s)
+
+### S3: --force flag rebuild ✅
+- Trigger: `bash update.sh --force`
+- Detection: "--force flag detected. Will rebuild."
+- Behavior: docker compose down → build
+- Exit: 124 (timed out, expected — logic confirmed)
+
+### S4: Env change detected ✅
+- Trigger: `echo "# test" >> .env` then `bash update.sh`
+- Detection: "State hash changed. Rebuilding."
+- Behavior: docker compose down → build (prev .env restored after test)
+- Exit: 124 (timed out, expected — logic confirmed)
+
+## State File Persistence
+- After skip: .update-state exists with correct hash
+- Hash: 511f1feda11087c088e53601c32ce61be5a15554bf576275b2364ad543d9cfc9