diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ac33ec41..6bbca2e3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,10 +39,10 @@ jobs:
     env:
       UV_PYTHON: ${{ matrix.python-version }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false  # no job pushes; don't leave the token in .git/config
-      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
         with:
           python-version: ${{ matrix.python-version }}
           cache: pip
@@ -68,7 +68,7 @@ jobs:
       # re-downloaded/rebuilt every run. `uv run` itself syncs the project + dev
       # group into .venv, so no `pip install -e .` is needed here.
       - name: Install uv (cached)
-        uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
+        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
         with:
           enable-cache: true
           cache-dependency-glob: uv.lock
@@ -82,7 +82,7 @@ jobs:
       # from-source `go install` compile entirely.
       - name: Cache Go gate binaries (actionlint, gitleaks)
         id: cache-go-bin
-        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: ~/go/bin
           key: go-gate-bins-${{ runner.os }}-${{ hashFiles('scripts/gate_tool_pins.sh') }}
@@ -140,10 +140,10 @@ jobs:
     env:
       UV_PYTHON: ${{ matrix.python-version }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false  # no job pushes; don't leave the token in .git/config
-      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
         with:
           python-version: ${{ matrix.python-version }}
           cache: pip
@@ -192,7 +192,7 @@ jobs:
           ffmpeg -version
 
       - name: Install uv (cached)
-        uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
+        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
         with:
           enable-cache: true
           cache-dependency-glob: uv.lock
@@ -225,7 +225,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false  # no job pushes; don't leave the token in .git/config
 
@@ -248,10 +248,10 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false  # no job pushes; don't leave the token in .git/config
-      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
         with:
           python-version: "3.12"
           cache: pip
@@ -265,7 +265,7 @@ jobs:
       # release `pip install` would pull — which is what keeps the byte-exact
       # `--help` snapshots stable. Install uv and materialize the frozen env here.
       - name: Install uv (cached)
-        uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
+        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
         with:
           enable-cache: true
           cache-dependency-glob: uv.lock
@@ -279,10 +279,10 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false  # no job pushes; don't leave the token in .git/config
-      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
         with:
           python-version: "3.12"
           cache: pip
@@ -300,10 +300,10 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false  # no job pushes; don't leave the token in .git/config
-      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
         with:
           python-version: "3.12"
           cache: pip
@@ -328,13 +328,13 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false # no job pushes; don't leave the token in .git/config
           fetch-depth: 0 # hatch-vcs derives the version from git history for the editable build
       # Provide uv so install.sh takes its preferred (uv) path rather than
       # bootstrapping it over the network.
-      - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
+      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
         with:
           enable-cache: true
           cache-dependency-glob: uv.lock
diff --git a/.github/workflows/codeql-swift.yml b/.github/workflows/codeql-swift.yml
index c6cec3c0..b8ca6caa 100644
--- a/.github/workflows/codeql-swift.yml
+++ b/.github/workflows/codeql-swift.yml
@@ -52,12 +52,12 @@ jobs:
       actions: read           # workflow metadata for run context on private repos
       contents: read
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false  # no job pushes; don't leave the token in .git/config
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4.36.2
+        uses: github/codeql-action/init@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v4.37.0
         with:
           languages: swift
           build-mode: manual
@@ -73,6 +73,6 @@ jobs:
             -o /tmp/aai-macos-audio-codeql
 
       - name: Analyze
-        uses: github/codeql-action/analyze@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4.36.2
+        uses: github/codeql-action/analyze@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v4.37.0
         with:
           category: /language:swift
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 2c3294e8..75da1b0b 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -46,17 +46,17 @@ jobs:
         # makes any scan slower than the queue fail its SARIF upload).
         language: [python, actions, javascript-typescript]
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false  # no job pushes; don't leave the token in .git/config
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4.36.2
+        uses: github/codeql-action/init@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v4.37.0
         with:
           languages: ${{ matrix.language }}
           build-mode: none
 
       - name: Analyze
-        uses: github/codeql-action/analyze@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4.36.2
+        uses: github/codeql-action/analyze@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v4.37.0
         with:
           category: /language:${{ matrix.language }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 20a54328..dff590aa 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -44,7 +44,7 @@ jobs:
     outputs:
       tag: ${{ steps.resolve.outputs.tag }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           # Release from main; full history brings the vX.Y.Z tags cut_release.sh
           # bumps from. persist-credentials off (the real-release push below uses
@@ -101,7 +101,7 @@ jobs:
     outputs:
       tag: ${{ needs.tag.outputs.tag }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false # this job doesn't push
       # Homebrew/actions is a monorepo (setup-homebrew is a subpath); pin it to a
@@ -172,7 +172,7 @@ jobs:
           sed -n '1,20p' Formula/assembly.rb
 
       - name: Upload bottle + finalized formula
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: release-artifacts
           path: |
@@ -192,11 +192,11 @@ jobs:
       contents: write
       pull-requests: write
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false # push via explicit tokened remote instead
 
-      - uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4
+      - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         with:
           name: release-artifacts
           path: artifacts