refactor(structure): promote app to repo root + remove redundant workspace cruft

Standard production layout: the OKR app (was nested under AINative_OKR_CASAN5/) is now
the repository root. No more wrapper directory.

- Promote AINative_OKR_CASAN5/* -> repo root (backend/ frontend/ packages/ apps/
  .specify/ docs/ infra/ nginx/ scripts/ + configs). Merge tool dirs: .gitea (kept the
  active deploy ci.yml, added harness-ci.yml + runbooks), .claude (agents/commands +
  launch.json), .github moved up.
- Remove redundant: 00_SUBMISSION_PACKAGE, scattered root notes (FPT_CASAN_Full.md,
  tu-tuong-casan.md, casan-tu-sinh..., casan_harness_assessment.md, source-review...,
  README_CASAN5_REFINED.md), casan-next-plans/ and optimize-docs/ (competition/planning
  artifacts — roadmap + design history preserved in git log / commit messages).
- Update all references to the old layout:
  - .gitea/workflows/{ci,harness-ci}.yml, .github/workflows/{ci,deploy}.yml:
    working-directory .; drop AINative_OKR_CASAN5/ prefix; .specify/{tests,scripts}
    -> packages/casan-harness/... (.specify/logs state kept)
  - .claude/launch.json, .gitea/*-runbook.md: path prefixes
  - CLAUDE.md, README.md: docs/input -> apps/okr/domain/input
  - policy-bundle.yaml: 8 policy paths -> packages/casan-harness/...; manifest re-signed
- secrets-scan.sh: fixture excludes -> new package/domain paths.

Full gate from the new root: PASS=64 FAIL=0 SKIP=3.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

packages/casan-harness/tests/phase-governance-report-tests.sh

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+set -uo pipefail
+
+# CASAN Plan-09 tie-in — unified governance evidence report tests.
+# Deterministic. Proves the report aggregates all governance cores, certifies a
+# clean run, and refuses to certify (fail-able gate) when the control-plane audit
+# chain is tampered.
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$SCRIPT_DIR/../scripts/bash/casan-paths.sh"
+PROJECT_ROOT="$CASAN_APP_ROOT"
+GR="$CASAN_HARNESS_ROOT/scripts/bash/governance-report.py"
+CPS="$CASAN_HARNESS_ROOT/scripts/bash/control-plane-settings.py"
+WORK="$(mktemp -d)"
+trap 'rm -rf "$WORK"' EXIT
+export CASAN_CP_STORE_FILE="$WORK/store.json"
+
+PASS=0; FAIL=0
+pass() { echo "PASS: $1"; PASS=$((PASS + 1)); }
+fail() { echo "FAIL: $1"; FAIL=$((FAIL + 1)); }
+
+echo "===== Plan-09 unified governance evidence report ====="
+
+# 1) clean run => CERTIFIED, report file written, all controls present
+python3 "$GR" --out "$WORK/gov.json" --gate >"$WORK/1.out" 2>&1
+RC=$?
+if [[ "$RC" -eq 0 ]] && grep -q "badge=CERTIFIED" "$WORK/1.out"; then
+  pass "clean run is CERTIFIED"
+else
+  cat "$WORK/1.out"; fail "clean run not certified (rc=$RC)"
+fi
+[[ -f "$WORK/gov.json" ]] && pass "report artifact written" || fail "no report artifact"
+CTRL="$(python3 -c "import json;d=json.load(open('$WORK/gov.json'));print(all(d['controls_present'].values()))" 2>/dev/null)"
+[[ "$CTRL" == "True" ]] && pass "all governance controls present" || fail "controls missing ($CTRL)"
+
+# 2) traceability summary embedded
+TF="$(python3 -c "import json;print(json.load(open('$WORK/gov.json'))['traceability']['failed'])" 2>/dev/null)"
+[[ "$TF" == "0" ]] && pass "traceability summary embedded (failed=0)" || fail "traceability summary wrong (failed=$TF)"
+
+# 3) tamper control-plane audit => NOT certified (fail-able gate)
+python3 "$CPS" set compression.enabled true --actor a@x --reason r >/dev/null 2>&1
+python3 - "$CASAN_CP_STORE_FILE" <<'PY'
+import json, sys
+d = json.load(open(sys.argv[1]))
+d["audit"][0]["value"] = "tampered"
+json.dump(d, open(sys.argv[1], "w"))
+PY
+set +e
+python3 "$GR" --out "$WORK/gov2.json" --gate >"$WORK/3.out" 2>"$WORK/3.err"; RC=$?
+set -e 2>/dev/null || true
+[[ "$RC" -eq 1 ]] && grep -q "badge=NOT_CERTIFIED" "$WORK/3.out" \
+  && pass "tampered audit ⇒ NOT_CERTIFIED (fail-able)" || fail "tamper did not block certification (rc=$RC)"
+
+echo ""
+echo "===== GOVERNANCE-REPORT SUMMARY: PASS=$PASS FAIL=$FAIL ====="
+[[ "$FAIL" -eq 0 ]] || exit 1