chore(hooks): remove config-protection edit-block guardrail

Full removal per user request: the PreToolUse hook that blocked model
Edit/Write on quality-gate files (settings.json, gitflow.sh, .githooks,
doctor.sh, hooks, lib/tests, lint configs) plus its one-shot sentinel.

- delete hooks/config-protection.sh
- delete lib/tests/config-protection.test.sh
- deregister the hook from settings.json (rtk-rewrite PreToolUse kept)
- drop the README mention

Residual protection unchanged: gitflow pre-commit guard + Gitea branch
protection still block direct code commits to main/develop.

README.md

@@ -23,7 +23,7 @@ claude-config/
 ├── update-all.sh          # One-command update for all components
 ├── Makefile               # Unified entry point: make install / doctor / update
 ├── plugins.lock.json      # Version pinning for non-marketplace dependencies
-├── hooks/                 # Session start, statusline, RTK rewrite, config-protection + design-toolchain guards
+├── hooks/                 # Session start, statusline, RTK rewrite + design-toolchain guards
 ├── agents/                # Execution units called by skills (never invoked directly)
 ├── skills/                # Entry points invoked via /skill-name
 ├── skills-external/       # Vendored skill packs (gstack submodule + installer-fetched design packs)

hooks/config-protection.sh

@@ -1,65 +0,0 @@
-#!/usr/bin/env bash
-# config-protection.sh
-#
-# PreToolUse hook (Edit|Write|MultiEdit). Blocks edits to this config's
-# quality-gate files — the guardrails an agent must not silently weaken to make
-# an error "pass" (permission/hook registry, gitflow enforcement, the git
-# pre-commit guard, the hooks themselves, the test suite, the health diagnostic,
-# lint config). Exit 2 blocks the tool call and feeds the message back to the
-# model (Claude Code PreToolUse contract).
-#
-# It fires only on the model's Edit/Write tool calls — never on shell-level file
-# ops (the cp/ln in install.sh, link.sh), so bootstrap/deploy is unaffected.
-#
-# One-shot escape hatch: create .claude/.config-edit-ok (CWD-relative) with a
-# NON-EMPTY reason inside; the hook logs the reason, consumes (rm) the sentinel,
-# and allows that single edit. It never persists — a lingering sentinel would be
-# a footgun. Discipline, per CLAUDE.global.md "Root causes only. No temp fixes.": fix
-# the code, don't loosen the gate. Fails OPEN (exit 0) on parse failure so it can
-# never wedge editing.
-
-set -euo pipefail
-
-log="${HOME}/.claude/logs/config-protection.log"
-sentinel="${PWD}/.claude/.config-edit-ok"
-
-input="$(cat)"
-path="$(printf '%s' "$input" \
-  | python3 -c 'import sys, json; print(json.load(sys.stdin).get("tool_input", {}).get("file_path", ""))' \
-  2>/dev/null || true)"
-[ -z "$path" ] && exit 0
-
-# Guardrail files, matched by path suffix (covers both the repo source and the
-# deployed ~/.claude copy). Precise: lib/gitflow.sh only, not gitflow-migrate.sh.
-case "$path" in
-  */.claude/settings.json|*/.claude/settings.local.json|*/claude/settings.json) ;;
-  */lib/gitflow.sh|*/.githooks/*|*/doctor.sh) ;;
-  */hooks/*.sh|*/lib/tests/*) ;;
-  */.shellcheckrc|*/.markdownlint.json|*/.editorconfig) ;;
-  *) exit 0 ;;
-esac
-
-# One-shot sentinel bypass: non-empty reason required; consumed on sight.
-if [ -f "$sentinel" ]; then
-  reason="$(head -c 500 "$sentinel" 2>/dev/null | tr '\n\r\t' '   ' || true)"
-  rm -f "$sentinel"
-  if printf '%s' "$reason" | grep -q '[^[:space:]]'; then
-    mkdir -p "$(dirname "$log")"
-    printf '%s\tBYPASS\t%s\treason=%s\n' "$(date -Iseconds)" "$path" "$reason" >> "$log"
-    exit 0
-  fi
-  printf '%s\n' "[config-protection] .claude/.config-edit-ok had an EMPTY reason -> refused (sentinel consumed). Recreate it with a non-empty reason." >&2
-  exit 2
-fi
-
-cat >&2 <<EOF
-[config-protection] BLOCKED edit to a quality-gate file:
-  $path
-This is a guardrail (permission/hook registry, gitflow enforcement, git
-pre-commit guard, a hook, the test suite, health diagnostic, or lint config).
-Don't weaken the gate to make an error pass — fix the root cause instead
-(global CLAUDE.md: "Root causes only. No temp fixes."). To make one intended edit,
-create .claude/.config-edit-ok with a non-empty reason; it is logged and
-consumed (one-shot).
-EOF
-exit 2

lib/tests/config-protection.test.sh

@@ -1,74 +0,0 @@
-#!/usr/bin/env bash
-# lib/tests/config-protection.test.sh
-set -u
-H="$(cd "$(dirname "$0")/../.." && pwd)/hooks/config-protection.sh"
-pass=0; fail=0
-check() { if [ "$2" = "$3" ]; then pass=$((pass+1)); else fail=$((fail+1));
-  printf 'FAIL %s: got[%s] want[%s]\n' "$1" "$2" "$3"; fi; }
-# Run hook for a file_path with NO sentinel present (CWD = a clean temp dir).
-run() { local c r; c="$(mktemp -d)"; ( cd "$c" && printf \
-  '{"tool_name":"Edit","tool_input":{"file_path":"%s"}}' "$1" | bash "$H" ) \
-  >/dev/null 2>&1; r=$?; rm -rf "$c"; return "$r"; }
-
-# --- Guarded quality-gate files -> blocked (exit 2) ---
-run "/home/u/Documents/claude/lib/gitflow.sh";              check T1-gitflow           "$?" 2
-run "/home/u/.claude/settings.json";                        check T2-live-settings     "$?" 2
-run "/home/u/Documents/claude/.claude/settings.local.json"; check T3-local-settings    "$?" 2
-run "/home/u/Documents/claude/settings.json";               check T4-root-settings     "$?" 2
-run "/home/u/Documents/claude/.githooks/pre-commit";        check T5-githook           "$?" 2
-run "/home/u/Documents/claude/doctor.sh";                   check T6-doctor            "$?" 2
-run "/home/u/Documents/claude/.shellcheckrc";               check T7-shellcheckrc      "$?" 2
-# self-guard: the hook itself, other hooks, and the test suite are guarded
-run "/home/u/Documents/claude/hooks/config-protection.sh";  check T8-self-guard        "$?" 2
-run "/home/u/.claude/hooks/session-start.sh";               check T9-deployed-hook     "$?" 2
-run "/home/u/Documents/claude/lib/tests/config-protection.test.sh"; check T10-tests-guarded "$?" 2
-
-# --- Non-guarded -> allowed (exit 0) ---
-run "/home/u/Documents/claude/lib/gitflow-migrate.sh";      check T11-near-miss        "$?" 0
-run "/home/u/project/src/app.js";                           check T12-code             "$?" 0
-run "/home/u/project/settings.json";                        check T13-foreign-settings "$?" 0
-
-# --- Fail-open on malformed input (no file_path) -> allowed ---
-c="$(mktemp -d)"; ( cd "$c" && printf '{}' | bash "$H" ) >/dev/null 2>&1
-check T14-fail-open "$?" 0; rm -rf "$c"
-
-# --- Sentinel one-shot: non-empty reason -> allow + log + consume; 2nd edit blocked ---
-tmp="$(mktemp -d)"; mkdir -p "$tmp/.claude"
-printf 'fixing eslint false-positive' > "$tmp/.claude/.config-edit-ok"
-( cd "$tmp" && printf '{"tool_name":"Edit","tool_input":{"file_path":"/x/doctor.sh"}}' \
-  | HOME="$tmp" bash "$H" ) >/dev/null 2>&1
-check T15-sentinel-allow "$?" 0
-check T15-consumed "$([ -e "$tmp/.claude/.config-edit-ok" ] && echo present || echo gone)" gone
-check T15-logged "$(grep -c 'BYPASS.*doctor.sh.*fixing eslint' \
-  "$tmp/.claude/logs/config-protection.log" 2>/dev/null)" 1
-( cd "$tmp" && printf '{"tool_name":"Edit","tool_input":{"file_path":"/x/doctor.sh"}}' \
-  | HOME="$tmp" bash "$H" ) >/dev/null 2>&1
-check T16-second-blocked "$?" 2
-rm -rf "$tmp"
-
-# --- Sentinel with EMPTY reason -> refused + consumed ---
-tmp="$(mktemp -d)"; mkdir -p "$tmp/.claude"; : > "$tmp/.claude/.config-edit-ok"
-( cd "$tmp" && printf '{"tool_name":"Edit","tool_input":{"file_path":"/x/doctor.sh"}}' \
-  | HOME="$tmp" bash "$H" ) >/dev/null 2>&1
-check T17-empty-refused "$?" 2
-check T17-consumed "$([ -e "$tmp/.claude/.config-edit-ok" ] && echo present || echo gone)" gone
-rm -rf "$tmp"
-
-# --- T18/T19: payload shapes beyond Edit (locks against future Edit-only narrowing) ---
-c="$(mktemp -d)"; ( cd "$c" && printf \
-  '{"tool_name":"Write","tool_input":{"file_path":"/x/doctor.sh","content":"x"}}' | bash "$H" ) \
-  >/dev/null 2>&1; check T18-write-payload "$?" 2; rm -rf "$c"
-
-c="$(mktemp -d)"; ( cd "$c" && printf \
-  '{"tool_name":"MultiEdit","tool_input":{"file_path":"/x/doctor.sh","edits":[{"old_string":"a","new_string":"b"}]}}' | bash "$H" ) \
-  >/dev/null 2>&1; check T19-multiedit-payload "$?" 2; rm -rf "$c"
-
-# --- T20: sentinel with ONLY whitespace bytes (not literally empty) -> refused + consumed ---
-tmp="$(mktemp -d)"; mkdir -p "$tmp/.claude"; printf ' \n\t' > "$tmp/.claude/.config-edit-ok"
-( cd "$tmp" && printf '{"tool_name":"Edit","tool_input":{"file_path":"/x/doctor.sh"}}' \
-  | HOME="$tmp" bash "$H" ) >/dev/null 2>&1
-check T20-whitespace-only-refused "$?" 2
-check T20-whitespace-only-consumed "$([ -e "$tmp/.claude/.config-edit-ok" ] && echo present || echo gone)" gone
-rm -rf "$tmp"
-
-printf 'PASS=%s FAIL=%s\n' "$pass" "$fail"; [ "$fail" -eq 0 ]

settings.json

@@ -271,16 +271,6 @@
             "command": "bash ~/.claude/hooks/rtk-rewrite.sh"
           }
         ]
-      },
-      {
-        "matcher": "Edit|Write|MultiEdit",
-        "hooks": [
-          {
-            "type": "command",
-            "command": "bash ~/.claude/hooks/config-protection.sh",
-            "timeout": 5
-          }
-        ]
       }
     ],
     "UserPromptSubmit": [