diff --git a/.github/actions/setup-julia/action.yml b/.github/actions/setup-julia/action.yml
index c6126f6b1a..250f5fcb68 100644
--- a/.github/actions/setup-julia/action.yml
+++ b/.github/actions/setup-julia/action.yml
@@ -17,7 +17,7 @@ runs:
       # julia-actions/setup-julia ships every sub-action from one repo and
       # tags them together; pinned to the v2 tag's commit SHA like every
       # workflow-level action in this repo (Dependabot keeps the pin fresh).
-      uses: julia-actions/setup-julia@4c0cb0fce8556fdb04a90347310e5db8b1f98fb9  # v2
+      uses: julia-actions/setup-julia@fa02766e078afaaf09b14210362cee14137e6a32  # v3.0.2
       with:
         version: ${{ inputs.julia-version }}
 
@@ -36,7 +36,7 @@ runs:
     # Speed up subsequent runs — Julia precompilation is slow on cold start.
     # `julia-actions/cache` keys on Project.toml + Manifest.toml.
     - name: Cache Julia depot
-      uses: julia-actions/cache@d10a6fd8f31b12404a54613ebad242900567f2b9  # v2
+      uses: julia-actions/cache@a45e8fa8be21c18a06b7177052533149e61e9b38  # v3.1.0
 
     - name: Install Julia packages
       # `Pkg.instantiate()` restores the exact versions pinned in
diff --git a/.github/actions/setup-node/action.yml b/.github/actions/setup-node/action.yml
index b070fe5e08..bf2cb7a723 100644
--- a/.github/actions/setup-node/action.yml
+++ b/.github/actions/setup-node/action.yml
@@ -16,7 +16,7 @@ runs:
   using: "composite"
   steps:
     - name: Install Node.js
-      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e  # v6
+      uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020  # v6
       with:
         node-version: ${{ inputs.node-version }}
         # Restore npm's download cache keyed on the committed lockfile so cold
diff --git a/.github/workflows/ci-lint.yml b/.github/workflows/ci-lint.yml
index 129ee75a10..ca0302f3f1 100644
--- a/.github/workflows/ci-lint.yml
+++ b/.github/workflows/ci-lint.yml
@@ -68,7 +68,7 @@ jobs:
 
     - name: Install uv
       if: steps.check.outputs.should_lint == 'true'
-      uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39  # v8.2.0
+      uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990  # v8.3.2
 
     - name: Install dependencies
       if: steps.check.outputs.should_lint == 'true'
diff --git a/.github/workflows/ci-tests.yml b/.github/workflows/ci-tests.yml
index 3c485eab71..ddf491345f 100644
--- a/.github/workflows/ci-tests.yml
+++ b/.github/workflows/ci-tests.yml
@@ -89,7 +89,7 @@ jobs:
 
     - name: Install uv
       if: steps.check.outputs.should_test == 'true'
-      uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39  # v8.2.0
+      uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990  # v8.3.2
 
     - name: Install dependencies
       if: steps.check.outputs.should_test == 'true'
@@ -207,7 +207,7 @@ jobs:
 
     - name: Set up Node.js
       if: steps.check.outputs.should_test == 'true'
-      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e  # v6
+      uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020  # v6
       with:
         node-version: '24'
         cache: 'yarn'
diff --git a/.github/workflows/daily-regen.yml b/.github/workflows/daily-regen.yml
index ff8dd65fae..4c628a73af 100644
--- a/.github/workflows/daily-regen.yml
+++ b/.github/workflows/daily-regen.yml
@@ -227,7 +227,7 @@ jobs:
         # block the main regeneration pipeline. Skip cleanly and continue.
         continue-on-error: true
         timeout-minutes: 15
-        uses: anthropics/claude-code-action@a92e7c70a4da9793dc164451d829089dc057a464  # v1
+        uses: anthropics/claude-code-action@1298632ce7736903d02a1435002705aa2a594a6c  # v1
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           claude_args: '--model haiku'
@@ -243,7 +243,7 @@ jobs:
         # rather than aborting the dispatch.
         continue-on-error: true
         timeout-minutes: 15
-        uses: anthropics/claude-code-action@a92e7c70a4da9793dc164451d829089dc057a464  # v1
+        uses: anthropics/claude-code-action@1298632ce7736903d02a1435002705aa2a594a6c  # v1
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           claude_args: '--model haiku'
diff --git a/.github/workflows/impl-generate.yml b/.github/workflows/impl-generate.yml
index f45bd1730c..40d4598da3 100644
--- a/.github/workflows/impl-generate.yml
+++ b/.github/workflows/impl-generate.yml
@@ -229,7 +229,7 @@ jobs:
           python-version: '3.13'
 
       - name: Install uv
-        uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39  # v8.2.0
+        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990  # v8.3.2
 
       - name: Install system dependencies
         run: |
@@ -422,7 +422,7 @@ jobs:
         id: claude
         continue-on-error: true
         timeout-minutes: 60
-        uses: anthropics/claude-code-action@a92e7c70a4da9793dc164451d829089dc057a464  # v1
+        uses: anthropics/claude-code-action@1298632ce7736903d02a1435002705aa2a594a6c  # v1
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           claude_args: "--model ${{ steps.inputs.outputs.model }}"
@@ -442,7 +442,7 @@ jobs:
         if: steps.claude.outcome == 'failure'
         id: claude_retry
         timeout-minutes: 60
-        uses: anthropics/claude-code-action@a92e7c70a4da9793dc164451d829089dc057a464  # v1
+        uses: anthropics/claude-code-action@1298632ce7736903d02a1435002705aa2a594a6c  # v1
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           claude_args: "--model ${{ steps.inputs.outputs.model }}"
diff --git a/.github/workflows/impl-repair.yml b/.github/workflows/impl-repair.yml
index 1bbf97a0e8..478200720e 100644
--- a/.github/workflows/impl-repair.yml
+++ b/.github/workflows/impl-repair.yml
@@ -104,7 +104,7 @@ jobs:
           python-version: '3.13'
 
       - name: Install uv
-        uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39  # v8.2.0
+        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990  # v8.3.2
 
       - name: Install Python plotting dependencies
         if: steps.lang.outputs.language == 'python'
@@ -160,7 +160,7 @@ jobs:
         id: claude
         continue-on-error: true
         timeout-minutes: 45
-        uses: anthropics/claude-code-action@a92e7c70a4da9793dc164451d829089dc057a464  # v1
+        uses: anthropics/claude-code-action@1298632ce7736903d02a1435002705aa2a594a6c  # v1
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           claude_args: "--model ${{ inputs.model || 'sonnet' }}"
@@ -180,7 +180,7 @@ jobs:
         if: steps.claude.outcome == 'failure'
         id: claude_retry
         timeout-minutes: 45
-        uses: anthropics/claude-code-action@a92e7c70a4da9793dc164451d829089dc057a464  # v1
+        uses: anthropics/claude-code-action@1298632ce7736903d02a1435002705aa2a594a6c  # v1
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           claude_args: "--model ${{ inputs.model || 'sonnet' }}"
diff --git a/.github/workflows/impl-review.yml b/.github/workflows/impl-review.yml
index bd5b420965..e0fb3a945f 100644
--- a/.github/workflows/impl-review.yml
+++ b/.github/workflows/impl-review.yml
@@ -309,7 +309,7 @@ jobs:
         id: review
         continue-on-error: true
         timeout-minutes: 30
-        uses: anthropics/claude-code-action@a92e7c70a4da9793dc164451d829089dc057a464  # v1
+        uses: anthropics/claude-code-action@1298632ce7736903d02a1435002705aa2a594a6c  # v1
         env:
           LIBRARY: ${{ steps.pr.outputs.library }}
           SPEC_ID: ${{ steps.pr.outputs.specification_id }}
diff --git a/.github/workflows/notify-deployment.yml b/.github/workflows/notify-deployment.yml
index 6e539e5b18..4b4c976fd9 100644
--- a/.github/workflows/notify-deployment.yml
+++ b/.github/workflows/notify-deployment.yml
@@ -26,7 +26,7 @@ jobs:
       api: ${{ steps.filter.outputs.api }}
     steps:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7.0.0
-      - uses: dorny/paths-filter@fbd0ab8f3e69293af611ebaee6363fc25e6d187d  # v4
+      - uses: dorny/paths-filter@7b450fff21473bca461d4b92ce414b9d0420d706  # v4
         id: filter
         with:
           filters: |
diff --git a/.github/workflows/report-validate.yml b/.github/workflows/report-validate.yml
index 38d2ee85cf..26cefd3f1f 100644
--- a/.github/workflows/report-validate.yml
+++ b/.github/workflows/report-validate.yml
@@ -58,7 +58,7 @@ jobs:
         id: validate
         continue-on-error: true
         timeout-minutes: 10
-        uses: anthropics/claude-code-action@a92e7c70a4da9793dc164451d829089dc057a464  # v1
+        uses: anthropics/claude-code-action@1298632ce7736903d02a1435002705aa2a594a6c  # v1
         env:
           ISSUE_TITLE: ${{ github.event.issue.title }}
           ISSUE_BODY: ${{ github.event.issue.body }}
diff --git a/.github/workflows/spec-create.yml b/.github/workflows/spec-create.yml
index b76e642cd1..edc2488b95 100644
--- a/.github/workflows/spec-create.yml
+++ b/.github/workflows/spec-create.yml
@@ -69,7 +69,7 @@ jobs:
         id: process
         continue-on-error: true
         timeout-minutes: 30
-        uses: anthropics/claude-code-action@a92e7c70a4da9793dc164451d829089dc057a464  # v1
+        uses: anthropics/claude-code-action@1298632ce7736903d02a1435002705aa2a594a6c  # v1
         env:
           ISSUE_TITLE: ${{ github.event.issue.title }}
           ISSUE_BODY: ${{ github.event.issue.body }}
@@ -178,7 +178,7 @@ jobs:
         if: steps.check.outputs.should_run == 'true' && steps.process.outcome == 'failure'
         id: process_retry
         timeout-minutes: 30
-        uses: anthropics/claude-code-action@a92e7c70a4da9793dc164451d829089dc057a464  # v1
+        uses: anthropics/claude-code-action@1298632ce7736903d02a1435002705aa2a594a6c  # v1
         env:
           ISSUE_TITLE: ${{ github.event.issue.title }}
           ISSUE_BODY: ${{ github.event.issue.body }}
diff --git a/.github/workflows/sync-postgres.yml b/.github/workflows/sync-postgres.yml
index ab2b01437d..77cdb07696 100644
--- a/.github/workflows/sync-postgres.yml
+++ b/.github/workflows/sync-postgres.yml
@@ -39,7 +39,7 @@ jobs:
         python-version: '3.13'
 
     - name: Install uv
-      uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39  # v8.2.0
+      uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990  # v8.3.2
 
     - name: Install dependencies
       run: |
diff --git a/.github/workflows/util-claude.yml b/.github/workflows/util-claude.yml
index f0433866fa..0c7521453e 100644
--- a/.github/workflows/util-claude.yml
+++ b/.github/workflows/util-claude.yml
@@ -41,7 +41,7 @@ jobs:
       - name: Run Claude Code
         id: claude
         continue-on-error: true
-        uses: anthropics/claude-code-action@a92e7c70a4da9793dc164451d829089dc057a464  # v1
+        uses: anthropics/claude-code-action@1298632ce7736903d02a1435002705aa2a594a6c  # v1
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           claude_args: "--model opus"
@@ -53,7 +53,7 @@ jobs:
       - name: Retry Claude (on failure)
         if: steps.claude.outcome == 'failure'
         id: claude_retry
-        uses: anthropics/claude-code-action@a92e7c70a4da9793dc164451d829089dc057a464  # v1
+        uses: anthropics/claude-code-action@1298632ce7736903d02a1435002705aa2a594a6c  # v1
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           claude_args: "--model opus"