Merge branch 'master' into wip-v0.4

# Conflicts:
#	.github/workflows/_integration_test.yml
#	.github/workflows/_release.yml
#	.github/workflows/api_doc_build.yml
#	.github/workflows/people.yml
#	.github/workflows/run_notebooks.yml
#	.github/workflows/scheduled_test.yml
#	SECURITY.md
#	docs/docs/integrations/vectorstores/pgvectorstore.ipynb
#	libs/langchain_v1/langchain/chat_models/base.py
#	libs/langchain_v1/tests/integration_tests/chat_models/test_base.py
#	libs/langchain_v1/tests/unit_tests/chat_models/test_chat_models.py

.github/workflows/.codespell-exclude

@@ -1,6 +0,0 @@
-"NotIn": "not in",
-- `/checkin`: Check-in
-docs/docs/integrations/providers/trulens.mdx
-self.assertIn(
-from trulens_eval import Tru
-tru = Tru()

.github/workflows/_integration_test.yml

@@ -1,4 +1,5 @@
 name: '🚀 Integration Tests'
+run-name: 'Test ${{ inputs.working-directory }} on Python ${{ inputs.python-version }}'
 
 on:
   workflow_dispatch:
@@ -11,6 +12,7 @@ on:
         required: true
         type: string
         description: "Python version to use"
+        default: "3.11"
 
 permissions:
   contents: read
@@ -24,7 +26,7 @@ jobs:
       run:
         working-directory: ${{ inputs.working-directory }}
     runs-on: ubuntu-latest
-    name: '🚀 Integration Tests (Python ${{ inputs.python-version }})'
+    name: 'Python ${{ inputs.python-version }}'
     steps:
       - uses: actions/checkout@v4
 

.github/workflows/_release.yml

@@ -1,5 +1,5 @@
 name: '🚀 Package Release'
-run-name: '🚀 Release ${{ inputs.working-directory }} by @${{ github.actor }}'
+run-name: 'Release ${{ inputs.working-directory }} ${{ inputs.release-version }}'
 on:
   workflow_call:
     inputs:
@@ -14,6 +14,11 @@ on:
         type: string
         description: "From which folder this pipeline executes"
         default: 'libs/langchain'
+      release-version:
+        required: true
+        type: string
+        default: '0.1.0'
+        description: "New version of package being released"
       dangerous-nonmaster-release:
         required: false
         type: boolean
@@ -111,7 +116,7 @@ jobs:
             # Look for the latest release of the same base version
             REGEX="^$PKG_NAME==$BASE_VERSION\$"
             PREV_TAG=$(git tag --sort=-creatordate | (grep -P "$REGEX" || true) | head -1)
-            
+
             # If no exact base version match, look for the latest release of any kind
             if [ -z "$PREV_TAG" ]; then
               REGEX="^$PKG_NAME==\\d+\\.\\d+\\.\\d+\$"
@@ -122,7 +127,7 @@ jobs:
             PREV_TAG="$PKG_NAME==${VERSION%.*}.$(( ${VERSION##*.} - 1 ))"; [[ "${VERSION##*.}" -eq 0 ]] && PREV_TAG=""
 
             # backup case if releasing e.g. 0.3.0, looks up last release
-            # note if last release (chronologically) was e.g. 0.1.47 it will get 
+            # note if last release (chronologically) was e.g. 0.1.47 it will get
             # that instead of the last 0.2 release
             if [ -z "$PREV_TAG" ]; then
               REGEX="^$PKG_NAME==\\d+\\.\\d+\\.\\d+\$"
@@ -484,7 +489,7 @@ jobs:
         with:
           name: dist
           path: ${{ inputs.working-directory }}/dist/
-          
+
       - name: Create Tag
         uses: ncipollo/release-action@v1
         with:

.github/workflows/api_doc_build.yml

@@ -1,4 +1,5 @@
-name: '📚 API Documentation Build'
+name: '📚 API Docs'
+run-name: 'Build & Deploy API Reference'
 # Runs daily or can be triggered manually for immediate updates
 
 on:
@@ -51,7 +52,6 @@ jobs:
         run: |
           # Get unique repositories
           REPOS=$(echo "$REPOS_UNSORTED" | sort -u)
-          
           # Checkout each unique repository
           for repo in $REPOS; do
             # Validate repository format (allow any org with proper format)
@@ -59,15 +59,14 @@ jobs:
               echo "Error: Invalid repository format: $repo"
               exit 1
             fi
-            
+
             REPO_NAME=$(echo $repo | cut -d'/' -f2)
-            
+
             # Additional validation for repo name
             if [[ ! "$REPO_NAME" =~ ^[a-zA-Z0-9_.-]+$ ]]; then
               echo "Error: Invalid repository name: $REPO_NAME"
               exit 1
             fi
-            
             echo "Checking out $repo to $REPO_NAME"
             git clone --depth 1 https://github.com/$repo.git $REPO_NAME
           done

.github/workflows/people.yml

@@ -1,5 +1,6 @@
 name: '👥 LangChain People'
-
+run-name: 'Update People Data'
+# This workflow updates the LangChain People data by fetching the latest information from the LangChain Git
 on:
   schedule:
     - cron: "0 14 1 * *"

.github/workflows/run_notebooks.yml

@@ -1,5 +1,5 @@
-name: '📝 Run Documentation Notebooks'
-
+name: '📓 Validate Documentation Notebooks'
+run-name: 'Test notebooks in ${{ inputs.working-directory  }}'
 on:
   workflow_dispatch:
     inputs:

.github/workflows/scheduled_test.yml

@@ -1,4 +1,5 @@
 name: '⏰ Scheduled Integration Tests'
+run-name: "Run Integration Tests - ${{ inputs.working-directory-force || 'all libs' }} (Python ${{ inputs.python-version-force || '3.9, 3.11' }})"
 
 on:
   workflow_dispatch:  # Allows maintainers to trigger the workflow manually in GitHub UI
@@ -161,7 +162,7 @@ jobs:
 
       - name: '🧹 Clean up External Libraries'
         # Clean up external libraries to avoid affecting git status check
-        run: | 
+        run: |
           rm -rf \
             langchain/libs/partners/google-genai \
             langchain/libs/partners/google-vertexai \