diff --git a/.github/workflows/ai-policy.yml b/.github/workflows/ai-policy.yml
index 61eea72fa..33ebc6b15 100644
--- a/.github/workflows/ai-policy.yml
+++ b/.github/workflows/ai-policy.yml
@@ -10,7 +10,7 @@ jobs:
   ai-marker-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index d7280bac2..fc657e75b 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -14,7 +14,7 @@ jobs:
   benchmark:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a2da48aae..54cb31f24 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
         python-version: ["3.12", "3.13"]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
@@ -50,7 +50,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -66,7 +66,7 @@ jobs:
   format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -82,7 +82,7 @@ jobs:
   spec-sync:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -108,7 +108,7 @@ jobs:
   typecheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -128,7 +128,7 @@ jobs:
   smoke:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -156,7 +156,7 @@ jobs:
   security:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -183,7 +183,7 @@ jobs:
   quality-gate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -211,7 +211,7 @@ jobs:
   deps-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -230,7 +230,7 @@ jobs:
   notebooks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 7ca064510..f0c503828 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
diff --git a/.github/workflows/dataSync.yml b/.github/workflows/dataSync.yml
index b9a73a06b..d042422c0 100644
--- a/.github/workflows/dataSync.yml
+++ b/.github/workflows/dataSync.yml
@@ -30,7 +30,7 @@ jobs:
         category: ${{ github.event_name == 'workflow_dispatch' && fromJSON(format('["{0}"]', inputs.category == 'all' && 'finance","report","docs' || inputs.category)) || fromJSON('["finance","report","docs"]') }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install uv
         uses: astral-sh/setup-uv@v5
diff --git a/.github/workflows/dataSyncDaily.yml b/.github/workflows/dataSyncDaily.yml
index 72455bbc4..998e2cc12 100644
--- a/.github/workflows/dataSyncDaily.yml
+++ b/.github/workflows/dataSyncDaily.yml
@@ -19,7 +19,7 @@ jobs:
     timeout-minutes: 90
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install uv
         uses: astral-sh/setup-uv@v5
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 84bc28e0f..c52d7d97e 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -23,7 +23,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Node.js
         uses: actions/setup-node@v4
diff --git a/.github/workflows/edgarSync.yml b/.github/workflows/edgarSync.yml
index e90a402b7..4ee77dd6a 100644
--- a/.github/workflows/edgarSync.yml
+++ b/.github/workflows/edgarSync.yml
@@ -28,7 +28,7 @@ jobs:
         batch: [0, 1, 2, 3, 4]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install uv
         uses: astral-sh/setup-uv@v5
diff --git a/.github/workflows/evalNightly.yml b/.github/workflows/evalNightly.yml
index b21c404ee..f7d7ac477 100644
--- a/.github/workflows/evalNightly.yml
+++ b/.github/workflows/evalNightly.yml
@@ -9,7 +9,7 @@ jobs:
   eval-deterministic:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -28,7 +28,7 @@ jobs:
   eval-coverage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -52,7 +52,7 @@ jobs:
   eval-impact:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 2
 
diff --git a/.github/workflows/hfSpaces.yml b/.github/workflows/hfSpaces.yml
index 0aa0ee4a2..ec130fb02 100644
--- a/.github/workflows/hfSpaces.yml
+++ b/.github/workflows/hfSpaces.yml
@@ -12,7 +12,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Push to HuggingFace Spaces
         env:
diff --git a/.github/workflows/kindlist.yml b/.github/workflows/kindlist.yml
index e5583fee9..f9613f71c 100644
--- a/.github/workflows/kindlist.yml
+++ b/.github/workflows/kindlist.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 5d4be80ca..e2ae3821d 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -18,7 +18,7 @@ jobs:
         python-version: ["3.12", "3.13"]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
@@ -43,7 +43,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -98,7 +98,7 @@ jobs:
         with:
           skip-existing: true
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Extract changelog for this version
         id: changelog