diff --git a/.claude/CLAUDE.md b/.claude/CLAUDE.md
index 1f3b5382..2bec9503 100644
--- a/.claude/CLAUDE.md
+++ b/.claude/CLAUDE.md
@@ -171,11 +171,16 @@ In-flight migration tracked under `hyperpolymath/standards#253` (172 manifests a
 
 | Path / Pattern | Class | Rationale | Unblock condition |
 |---|---|---|---|
-| `**/vscode/**` | VSCode extension host-required | VSCode extension toolchain runs under Node; lockfile is contractually required by the host. | When AffineScript ships the VSCode-extension API binding. |
+| `**/vscode/**` | VSCode extension host-required (segment) | VSCode extension toolchain runs under Node; lockfile is contractually required by the host. | When AffineScript ships the VSCode-extension API binding. |
+| `vscode-` substring (`vscode-extension/`, `editors/vscode-007/`, `vscode-a2ml`, `vscode-k9`, …) | VSCode-* extension repos / subdirs | Same VSCode host-required toolchain rationale; different path-segment shape than `/vscode/`. | When AffineScript ships the VSCode-extension API binding. |
+| `tree-sitter-` substring (`tree-sitter-a2ml`, `tree-sitter-k9`, `editors/tree-sitter-ephapax`, `tree-sitter-affinescript/`, …) | tree-sitter grammar npm-publish target | Class C consumer artifact — tree-sitter grammars ship via npm with `node-gyp` native binding because every consumer (Atom/Neovim/VSCode TextMate) links the native addon. | Never — npm-publishable consumer artifact with native binding. |
 | `affinescript-deno-test/**`, `affinescript-cli/**` | bootstrap shim | Bootstrap the AffineScript toolchain itself. | When AffineScript self-hosts these. |
 | `rescript/**`, `servers/**`, `repos-monorepo/**`, `linguist/**` | upstream fork | Not estate-authored — vendored upstream code. | Never — upstream fork. |
 | `hyperpolymath-archive/**` | archived | Archived repos cannot accept PRs. | Never — archived. |
 | `**/deps/**`, `**/node_modules/**` | vendored package-manager dep | Vendored deps. | Never — vendored upstream. |
+| `**/.lake/**` | Lean4 vendored package | Lean4's package manager directory, parallel to `/deps/`. | Never — vendored. |
+| `**/office-addin/**` | Office.js add-in host-required | Office host loads `.js` from a Node-packaged manifest, parallel to VSCode extension carve-out. | When AffineScript ships an Office.js binding. |
+| `**/bindings/javascript/**`, `**/bindings/typescript/**` | consumer-facing estate export | Proven JS/TS bindings published to npm consumers, parallel to `/bindings/deno/` under `:typescript_detected`. | Never — consumer-facing bindings. |
 | `**/example/**`, `**/examples/**`, `**/test-fixtures/**`, `**/fixtures/**` | example/test fixture | Demonstrates an npm consumer (e.g., showing how a library is used from a Node project) without making the repo itself an npm consumer. | Never — fixture, not own toolchain. |
 
 ### JavaScript Exemptions (Approved)
diff --git a/rhodium-standard-repositories/.github/workflows/language-policy.yml b/rhodium-standard-repositories/.github/workflows/language-policy.yml
index aabcb9af..51284278 100644
--- a/rhodium-standard-repositories/.github/workflows/language-policy.yml
+++ b/rhodium-standard-repositories/.github/workflows/language-policy.yml
@@ -114,20 +114,29 @@ jobs:
 
           # Block new package-lock.json (npm banned 2026-05-25, replacement: Deno).
           # Carve-outs (parallel to hypatia cicd_rules/nodejs_detected
-          # path_allow_prefixes — 6 classes):
-          #   **/vscode/  VSCode extension host-required toolchain
+          # path_allow_prefixes — 8 classes):
+          #   **/vscode/   VSCode extension host-required toolchain (segment)
+          #   vscode-     VSCode-* extension repos / subdirs (substring)
+          #   tree-sitter- tree-sitter grammar npm-publish targets (Class C)
           #   affinescript-deno-test/ + affinescript-cli/  bootstrap shims
           #   rescript/ + servers/ + repos-monorepo/ + linguist/  upstream forks
           #   hyperpolymath-archive/  archived repos
-          #   **/deps/ + **/node_modules/  vendored package-manager deps
+          #   **/deps/ + **/node_modules/ + **/.lake/ + **/office-addin/
+          #     + **/bindings/{javascript,typescript}/  vendored / host-required /
+          #     consumer-facing exports
           #   **/example/ + **/examples/ + **/test-fixtures/ + **/fixtures/
           NEW_NPM_LOCK=$(git diff --name-only --diff-filter=A HEAD~1 2>/dev/null \
             | grep -E '(^|/)package-lock\.json$' \
             | grep -vE '/vscode/' \
+            | grep -vE 'vscode-' \
+            | grep -vE 'tree-sitter-' \
             | grep -vE '^(affinescript-deno-test|affinescript-cli)/' \
             | grep -vE '^(rescript|servers|repos-monorepo|linguist|hyperpolymath-archive)/' \
             | grep -vE '/deps/' \
             | grep -vE '/node_modules/' \
+            | grep -vE '/\.lake/' \
+            | grep -vE '/office-addin/' \
+            | grep -vE '/bindings/(javascript|typescript)/' \
             | grep -vE '/(example|examples|test-fixtures|fixtures)/' \
             || true)
           if [ -n "$NEW_NPM_LOCK" ]; then