docs: add MIR13 mode doc and set PHI-off as default; bridge lowering split (if/loop/try); llvmlite resolver stabilization; curated runner default PHI-off; refresh CURRENT_TASK.md

.github/mlc_config.json

@@ -0,0 +1,12 @@
+{
+  "ignorePatterns": [
+    { "pattern": "^mailto:" },
+    { "pattern": "^vscode:" },
+    { "pattern": "^file://" }
+  ],
+  "timeout": "10s",
+  "retryOn429": true,
+  "retryCount": 2,
+  "aliveStatusCodes": [200, 206, 429]
+}
+

.github/workflows/docs-link-check.yml

@@ -0,0 +1,34 @@
+name: docs-link-check
+
+on:
+  push:
+    paths:
+      - '**.md'
+      - '.github/workflows/docs-link-check.yml'
+      - '.github/mlc_config.json'
+  pull_request:
+    paths:
+      - '**.md'
+      - '.github/workflows/docs-link-check.yml'
+      - '.github/mlc_config.json'
+
+jobs:
+  markdown-link-check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Run markdown-link-check on docs and READMEs
+        uses: gaurav-nelson/github-action-markdown-link-check@v1
+        with:
+          use-quiet-mode: 'yes'
+          use-verbose-mode: 'no'
+          config-file: '.github/mlc_config.json'
+          folder-path: |
+            docs
+          file-path: |
+            README.md
+            README.ja.md
+            CLAUDE.md
+