diff --git a/.github/config/super-linter.env b/.github/config/super-linter.env
index 3f7678d..fcaff22 100644
--- a/.github/config/super-linter.env
+++ b/.github/config/super-linter.env
@@ -12,7 +12,6 @@ VALIDATE_JSONC=true
 VALIDATE_MARKDOWN=true
 VALIDATE_MARKDOWN_PRETTIER=true
 VALIDATE_NATURAL_LANGUAGE=true
-VALIDATE_PYTHON_ISORT=true
 VALIDATE_PYTHON_RUFF=true
 VALIDATE_PYTHON_RUFF_FORMAT=true
 VALIDATE_SHELL_SHFMT=true
diff --git a/.textlintrc b/.textlintrc
new file mode 100644
index 0000000..5070696
--- /dev/null
+++ b/.textlintrc
@@ -0,0 +1,8 @@
+{
+  "filters": {
+    "comments": true
+  },
+  "rules": {
+    "terminology": true
+  }
+}
diff --git a/AGENTS.md b/AGENTS.md
index 56f5c9d..446aac8 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -108,10 +108,10 @@ This ensures all files pass CI linting (Biome formatting,
 shellcheck, etc.). Review the auto-fixed files before
 committing — auto-fixes may produce unexpected results.
 
-A pre-commit hook can automate this — run
-`mise run setup:pre-commit-hook` once per clone to install
-it. The hook runs native linters with autofix on every
-commit.
+Linting can be automated via a Git pre-commit hook or an
+agent-specific hook (e.g. a Claude Code `PreToolUse` hook
+that intercepts `git push`). Use whichever fits your
+workflow — both are optional. To install the Git hook:
 
 ```bash
 # Auto-fix and verify (recommended dev workflow)
@@ -120,7 +120,7 @@ mise run fix
 # Verify only (same command used in CI)
 mise run lint
 
-# Install pre-commit hook (one-time setup)
+# Install git pre-commit hook (one-time, opt-in)
 mise run setup:pre-commit-hook
 ```
 
@@ -145,9 +145,10 @@ standard locations (project root), not in
 `.github/linters/` (super-linter's convention). The
 script errors if `.github/linters/` exists. All
 supported linters auto-discover their config:
+`textlint`→`.textlintrc`,
 `shellcheck`→`.shellcheckrc`,
 `markdownlint`→`.markdownlint.json`,
-`editorconfig-checker`→`.ecrc`,
+`ec` (editorconfig-checker)→`.ecrc`,
 `actionlint`→`.github/actionlint.yml`,
 `hadolint`→`.hadolint.yaml`,
 `golangci-lint`→`.golangci.yml`,
diff --git a/mise.toml b/mise.toml
index 075d3b8..9615cb3 100644
--- a/mise.toml
+++ b/mise.toml
@@ -13,11 +13,6 @@ SUPER_LINTER_VERSION="slim-v8.5.0@sha256:857dcc3f0bf5dd065fdeed1ace63394bb200423
 description = "Run Super-Linter on the repository"
 file = "tasks/lint/super-linter.sh"
 
-[tasks."lint:super-linter-native"]
-description = "Run linters natively (fast, for local dev)"
-depends = ["setup:native-lint-tools"]
-run = [{ task = "lint:super-linter", env = { NATIVE = "true" } }]
-
 [tasks."setup:native-lint-tools"]
 description = "Install native lint tools matching the pinned super-linter version"
 file = "tasks/setup/native-lint-tools.sh"
diff --git a/super-linter-versions/v8.4.0.toml b/super-linter-versions/v8.4.0.toml
index da811e9..9ac66b8 100644
--- a/super-linter-versions/v8.4.0.toml
+++ b/super-linter-versions/v8.4.0.toml
@@ -13,6 +13,8 @@ hadolint = "v2.14.0"
 "npm:markdownlint-cli" = "0.47.0"
 "npm:prettier" = "3.8.1"
 "npm:@biomejs/biome" = "2.3.13"
+"npm:textlint" = "15.5.1"
+"npm:textlint-rule-terminology" = "5.2.16"
 "pipx:ruff" = "0.14.14"
 "pipx:codespell" = "2.4.1"
 editorconfig-checker = "v3.6.0"
diff --git a/super-linter-versions/v8.5.0.toml b/super-linter-versions/v8.5.0.toml
index c73d409..c1833cc 100644
--- a/super-linter-versions/v8.5.0.toml
+++ b/super-linter-versions/v8.5.0.toml
@@ -13,6 +13,8 @@ hadolint = "v2.14.0"
 "npm:markdownlint-cli" = "0.47.0"
 "npm:prettier" = "3.8.1"
 "npm:@biomejs/biome" = "2.3.14"
+"npm:textlint" = "15.5.1"
+"npm:textlint-rule-terminology" = "5.2.16"
 "pipx:ruff" = "0.15.0"
 "pipx:codespell" = "2.4.1"
 editorconfig-checker = "v3.6.1"
diff --git a/tasks/lint/super-linter.sh b/tasks/lint/super-linter.sh
index e7102c3..968ebf0 100755
--- a/tasks/lint/super-linter.sh
+++ b/tasks/lint/super-linter.sh
@@ -55,15 +55,29 @@ ENV_FILE="${SUPER_LINTER_ENV_FILE:-.github/config/super-linter.env}"
 
 # --- Native mode ---
 if [ "$NATIVE" = "true" ]; then
-	# Activate the mise environment created by setup:native-lint-tools so that
-	# installed tools (shfmt, actionlint, codespell, etc.) are on PATH.
+	# Activate the mise environment so installed tools are on PATH.
+	# The .mise.super-linter-*.toml is created by setup:native-lint-tools.
+	# In worktrees it won't exist — create it from the tracked version mapping.
 	_SL_ENV_TOML=$(compgen -G ".mise.super-linter-*.toml" | head -1 || true)
+	if [ -z "$_SL_ENV_TOML" ] && [ -n "${SUPER_LINTER_VERSION:-}" ]; then
+		_SL_TAG="${SUPER_LINTER_VERSION#slim-}"
+		_SL_TAG="${_SL_TAG%%@*}"
+		_SL_VERSION_TOML="super-linter-versions/${_SL_TAG}.toml"
+		if [ -f "$_SL_VERSION_TOML" ]; then
+			_SL_ENV_TOML=".mise.super-linter-${_SL_TAG}.toml"
+			cp "$_SL_VERSION_TOML" "$_SL_ENV_TOML"
+			mise trust "$_SL_ENV_TOML"
+		fi
+	fi
 	if [ -n "$_SL_ENV_TOML" ]; then
 		_SL_ENV_NAME="${_SL_ENV_TOML#.mise.}"
 		_SL_ENV_NAME="${_SL_ENV_NAME%.toml}"
-		# Allow failure so the script falls through to the "Missing native lint tools"
-		# message instead of exiting with a confusing mise error.
-		eval "$(mise env -E "$_SL_ENV_NAME" 2>/dev/null)" || true
+		_SL_ENV_OUTPUT=$(mise env -E "$_SL_ENV_NAME") || {
+			echo "Error: failed to activate mise environment '$_SL_ENV_NAME'." >&2
+			echo "Run 'mise run setup:native-lint-tools' to install tools." >&2
+			exit 1
+		}
+		eval "$_SL_ENV_OUTPUT"
 	fi
 
 	# Native mode expects linter configs at the project root (standard tool locations).
@@ -168,12 +182,13 @@ if [ "$NATIVE" = "true" ]; then
 		"VALIDATE_MARKDOWN_PRETTIER|prettier|prettier --check {FILE}|prettier --write {FILE}|*.md"
 		"VALIDATE_YAML_PRETTIER|prettier|prettier --check {FILE}|prettier --write {FILE}|*.yaml *.yml"
 		"VALIDATE_JSON_PRETTIER|prettier|prettier --check {FILE}|prettier --write {FILE}|*.json"
-		"VALIDATE_EDITORCONFIG|editorconfig-checker|editorconfig-checker {FILES}||*"
+		"VALIDATE_EDITORCONFIG|ec|ec {FILES}||*"
 		"VALIDATE_GITHUB_ACTIONS|actionlint|actionlint {FILE}||.github/workflows/*.yml .github/workflows/*.yaml"
 		"VALIDATE_DOCKERFILE_HADOLINT|hadolint|hadolint {FILE}||Dockerfile Dockerfile.* *.dockerfile"
 		"VALIDATE_GO_GOLANGCI_LINT|golangci-lint|golangci-lint run||SELF"
 		"VALIDATE_PYTHON_RUFF|ruff|ruff check {FILE}|ruff check --fix {FILE}|*.py"
 		"VALIDATE_PYTHON_RUFF_FORMAT|ruff|ruff format --check {FILE}|ruff format {FILE}|*.py"
+		"VALIDATE_NATURAL_LANGUAGE|textlint|textlint {FILE}||*.md *.txt"
 		"VALIDATE_SPELL_CODESPELL|codespell|codespell {FILES}|codespell --write-changes {FILES}|*"
 		"VALIDATE_JSONC|biome|biome check {FILE}|biome check --fix {FILE}|*.json *.jsonc *.js *.ts *.jsx *.tsx"
 		"VALIDATE_BIOME_FORMAT|biome|biome format {FILE}|biome format --write {FILE}|*.json *.jsonc *.js *.ts *.jsx *.tsx"
diff --git a/tasks/setup/update-super-linter-versions.sh b/tasks/setup/update-super-linter-versions.sh
index c213b0b..1f56046 100755
--- a/tasks/setup/update-super-linter-versions.sh
+++ b/tasks/setup/update-super-linter-versions.sh
@@ -60,6 +60,8 @@ golangci_lint=$(_from_version "golangci/golangci-lint")
 markdownlint=$(_npm_version "markdownlint-cli")
 prettier=$(_npm_version "prettier")
 biome=$(_npm_version "@biomejs/biome")
+textlint=$(_npm_version "textlint")
+textlint_terminology=$(_npm_version "textlint-rule-terminology")
 ruff=$(_pip_version "ruff")
 codespell=$(_pip_version "codespell")
 
@@ -83,6 +85,8 @@ hadolint = "${hadolint}"
 "npm:markdownlint-cli" = "${markdownlint}"
 "npm:prettier" = "${prettier}"
 "npm:@biomejs/biome" = "${biome}"
+"npm:textlint" = "${textlint}"
+"npm:textlint-rule-terminology" = "${textlint_terminology}"
 "pipx:ruff" = "${ruff}"
 "pipx:codespell" = "${codespell}"
 editorconfig-checker = "${editorconfig_checker}"