diff --git a/.trunk/trunk.yaml b/.trunk/trunk.yaml
index fbb1fbcb053..6da5c486e35 100644
--- a/.trunk/trunk.yaml
+++ b/.trunk/trunk.yaml
@@ -1,113 +1,70 @@
 # =============================================================================
-# Trunk.io — Plugin versions for linting/formatting tools
+# Trunk.io — Lint/format configuration (schema v0.1)
 # =============================================================================
-# This file is auto-generated. Run `trunk upgrade` to update.
-# https://docs.trunk.io/check/reference
+# Migrated 2026-08-09 from the legacy top-level linters/formatters/actions/
+# cache/env schema to version: 0.1 + lint/fmt blocks. Tool versions are
+# trunk-io/plugins known-good versions; update with `trunk upgrade`.
+# https://docs.trunk.io/
 # =============================================================================
 
+version: 0.1
+
+cli:
+  version: 1.22.2
+
 plugins:
   sources:
     - id: trunk
-      ref: v1.2.2
-    - id: community
-      ref: main
+      ref: v1.6.1
+      uri: https://github.com/trunk-io/plugins
 
 # Linters (auto-detected by file type)
-linters:
-  actionlint:
-    enabled: true
-    commands:
-      - name: actionlint
-        run: actionlint ${target}
-        direct_configs:
-          - .github/workflows/*.yml
-  black:
-    enabled: true
-    commands:
-      - name: black
-        run: black --check --line-length 100 ${target}
-        direct_configs:
-          - pyproject.toml
-          - ruff.toml
-  clippy:
-    enabled: true
-    commands:
-      - name: clippy
-        run: cargo clippy --all-targets --all-features -- -D warnings
-  eslint:
-    enabled: true
-    direct_configs:
-      - .eslintrc.*
-      - eslint.config.*
-  golangci-lint:
-    enabled: true
-    direct_configs:
-      - .golangci.yml
-      - .golangci.yaml
-  mypy:
-    enabled: true
-    commands:
-      - name: mypy
-        run: mypy --ignore-missing-imports ${target}
-  ruff:
-    enabled: true
-    commands:
-      - name: ruff
-        run: ruff check --output-format=github ${target}
-        direct_configs:
-          - ruff.toml
-          - pyproject.toml
-  shellcheck:
-    enabled: true
-  taplo:
-    enabled: true
-  yamllint:
-    enabled: true
+lint:
+  enabled:
+    - actionlint@1.7.8
+    - black@25.9.0
+    - clippy@1.65.0
+    - eslint@8.10.0
+    - golangci-lint@1.64.8
+    - mypy@1.20.2
+    - ruff@0.14.3
+    - shellcheck@0.11.0
+    - taplo@0.10.0
+    - yamllint@1.37.1
+  definitions:
+    - name: actionlint
+      commands:
+        - name: lint
+          run: actionlint ${target}
+    - name: black
+      commands:
+        - name: lint
+          run: black --check --line-length 100 ${target}
+    - name: clippy
+      commands:
+        - name: lint
+          run: cargo clippy --all-targets --all-features -- -D warnings
+    - name: mypy
+      commands:
+        - name: lint
+          run: mypy --ignore-missing-imports ${target}
+    - name: ruff
+      commands:
+        - name: lint
+          run: ruff check --output-format=github ${target}
 
 # Formatters
-formatters:
-  black:
-    enabled: true
-    commands:
-      - name: black
-        run: black --line-length 100 ${target}
-        direct_configs:
-          - pyproject.toml
-  prettier:
-    enabled: true
-    direct_configs:
-      - .prettierrc
-      - prettier.config.*
-  rustfmt:
-    enabled: true
-    commands:
-      - name: rustfmt
-        run: rustfmt ${target}
-
-# Actions (CI optimization)
-actions:
-  trunk-check:
-    enabled: true
-    size: 5GB
-    memory: 16GB
-    disk: 10GB
-  trunk-merge:
-    enabled: true
-    size: 5GB
-  trunk-push:
-    enabled: true
-    size: 5GB
-
-# Caching
-cache:
-  enabled: true
-  storage: local
-
-# CLI
-cli:
-  version: 1.22.2
-
-# Environment
-env:
-  variables:
-    EDITOR: vim
+fmt:
+  enabled:
+    - black@25.9.0
+    - prettier@3.6.2
+    - rustfmt@1.65.0
+  definitions:
+    - name: black
+      commands:
+        - name: format
+          run: black --line-length 100 ${target}
+    - name: rustfmt
+      commands:
+        - name: format
+          run: rustfmt ${target}