Bump to LangChain 1.1, update dependencies, and bump version

.github/workflows/test.yml

@@ -14,16 +14,19 @@ jobs:
       - name: Check if user can run tests
         id: check
         run: |
-          # Check if PR author is owner, member, or collaborator
-          if [[ "${{ github.event.pull_request.author_association }}" == "OWNER" ]] || \
-             [[ "${{ github.event.pull_request.author_association }}" == "MEMBER" ]] || \
-             [[ "${{ github.event.pull_request.author_association }}" == "COLLABORATOR" ]]; then
+          ASSOCIATION="${{ github.event.pull_request.author_association }}"
+          echo "PR author association: $ASSOCIATION"
+
+          # Check if PR author is owner, member, collaborator, or contributor
+          if [[ "$ASSOCIATION" == "OWNER" ]] || \
+             [[ "$ASSOCIATION" == "MEMBER" ]] || \
+             [[ "$ASSOCIATION" == "COLLABORATOR" ]] || \
+             [[ "$ASSOCIATION" == "CONTRIBUTOR" ]]; then
             echo "can-run=true" >> $GITHUB_OUTPUT
             echo "✅ User has permission to run tests"
           else
             echo "can-run=false" >> $GITHUB_OUTPUT
-            echo "❌ User does not have permission to run tests"
-            echo "Only repository owners, members, and collaborators can run tests"
+            echo "❌ User does not have permission to run tests (association: $ASSOCIATION)"
           fi
 
   test:
@@ -32,7 +35,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - name: Checkout code

CHANGELOG.md

@@ -0,0 +1,29 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.2.0] - 2025-12-01
+
+### Changed
+
+- **BREAKING**: Minimum Python version raised from 3.9 to 3.10 (aligns with langchain-core 1.x requirements)
+- **BREAKING**: Updated `langchain-core` dependency from `^0.3.76` to `>=1.1.0,<2.0.0` for LangChain 1.0 compatibility
+- Updated `langchain-tests` from `^0.3.8` to `^1.0.0`
+- Updated `httpx` from `^0.27.0` to `>=0.28.1,<1.0.0` (required by langchain-tests 1.x)
+
+### Notes
+
+- This release aligns with the official LangChain 1.0 ecosystem
+- Dependency constraints now match official integrations like `langchain-openai` and `langchain-anthropic`
+- No code changes required - all langchain-core APIs used remain backward compatible
+
+## [0.1.0] - Initial Release
+
+### Added
+
+- `ChatParallelWeb` - Chat model integration for Parallel's Chat API
+- `ParallelWebSearchTool` - Search tool with web research capabilities
+- `ParallelExtractTool` - Content extraction from web pages