[codex] Harness를 단일 state.json SDD로 단순화

.githooks/pre-push

@@ -1,27 +1,4 @@
 #!/bin/sh
 set -eu
 
-# Phase-boundary kickoff proof is enforced by workflow runtime, not by git hooks.
-
-python3 scripts/workflow.py doctor
-python3 scripts/workflow.py hook pre_command --command-text "git push $*"
-
-current_branch="$(git branch --show-current 2>/dev/null || true)"
-if [ "$current_branch" = "main" ]; then
-  main_tip="$(git rev-parse HEAD 2>/dev/null || true)"
-  develop_tip="$(git rev-parse --verify refs/heads/develop 2>/dev/null || true)"
-  if [ -n "$main_tip" ] && [ "$main_tip" = "$develop_tip" ]; then
-    exit 0
-  fi
-fi
-
-task_id="${WORKFLOW_TASK_ID:-}"
-if [ -n "$task_id" ]; then
-  phase_id="${WORKFLOW_PHASE_ID:-}"
-  if [ -z "$phase_id" ]; then
-    phase_id="$(python3 scripts/workflow.py status "$task_id" --field active_phase_id 2>/dev/null || true)"
-  fi
-  python3 scripts/workflow.py hook pre_push --task-id "$task_id" --phase-id "$phase_id" --command-text "git push $*"
-else
-  python3 scripts/workflow.py hook pre_push --command-text "git push $*"
-fi
+python3 scripts/workflow.py hook pre_push --command-text "git push $*"