diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2f05376..e8d4a28 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index cc9a27d..8863c8a 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -32,7 +32,7 @@ jobs:
         language: ["python"]
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4
diff --git a/.github/workflows/floor.yml b/.github/workflows/floor.yml
index 7c77842..a3cf49e 100644
--- a/.github/workflows/floor.yml
+++ b/.github/workflows/floor.yml
@@ -26,11 +26,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout agent-candidate
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         # primary checkout -> $GITHUB_WORKSPACE
 
       - name: Checkout candidate-suite (sibling real-suite back-end, pinned)
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           repository: David-BS/candidate-suite
           # Immutable pin (release/1.0.0, merge of PR #21). Swap for a tag like
diff --git a/.github/workflows/pin-watch.yml b/.github/workflows/pin-watch.yml
index 70b6dc2..5424fb0 100644
--- a/.github/workflows/pin-watch.yml
+++ b/.github/workflows/pin-watch.yml
@@ -41,7 +41,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout (to read floor.yml)
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Resolve pinned SHA and candidate-suite HEAD
         id: resolve
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fdf941d..56a4fba 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -38,10 +38,10 @@ jobs:
       # Frozen binary self-re-execs into these .py; pinned sibling, mirrors the Floor job.
       CANDIDATE_SUITE_DIR: ${{ github.workspace }}/candidate-suite
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
 
       - name: Checkout candidate-suite (pinned)
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
         with:
           repository: David-BS/candidate-suite
           ref: 2863162ee8bdb6260dd6d0c99621115a5b89cb6a   # full immutable SHA (v1.0.0 tip); checkout cannot fetch a short SHA
@@ -81,10 +81,10 @@ jobs:
     permissions:
       contents: write               # the one job that earns write -- used only by the attach step (tag only)
     steps:
-      - uses: actions/checkout@v5    # for manifest.json + .mcpbignore
+      - uses: actions/checkout@v7    # for manifest.json + .mcpbignore
 
       - name: Checkout candidate-suite (pinned)
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
         with:
           repository: David-BS/candidate-suite
           ref: 2863162ee8bdb6260dd6d0c99621115a5b89cb6a   # the .py travel beside the binary at ${__dirname}/candidate-suite; full proven tree (== build's CANDIDATE_SUITE_DIR)
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index e64d3a0..213ae9a 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/server-smoke.yml b/.github/workflows/server-smoke.yml
index 6bf144f..8135aac 100644
--- a/.github/workflows/server-smoke.yml
+++ b/.github/workflows/server-smoke.yml
@@ -48,11 +48,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout agent-candidate
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         # primary checkout -> $GITHUB_WORKSPACE
 
       - name: Checkout candidate-suite (sibling real-suite back-end, pinned)
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           repository: David-BS/candidate-suite
           # Same immutable pin as Floor (release/1.0.0, merge of PR #21). The