chore(ci): Change Send Message Integration Test to Run on All Changes to letta/** (#2628)

.github/workflows/send-message-integration-tests.yaml

@@ -4,10 +4,7 @@ on:
     # branches: [main] # TODO: uncomment before merge
     types: [labeled]
     paths:
-      - 'letta/schemas/**'
-      - 'letta/llm_api/**'
-      - 'letta/agent.py'
-      - 'letta/embeddings.py'
+      - 'letta/**'
 
 jobs:
   send-messages:
@@ -88,11 +85,7 @@ jobs:
           git fetch origin pull/${{ github.event.pull_request.number }}/head:pr-${{ github.event.pull_request.number }}
           
           # Extract ONLY the schema files
-          git checkout pr-${{ github.event.pull_request.number }} -- letta/schemas/
-          git checkout pr-${{ github.event.pull_request.number }} -- letta/llm_api/
-          git checkout pr-${{ github.event.pull_request.number }} -- letta/agent.py
-          git checkout pr-${{ github.event.pull_request.number }} -- letta/embeddings.py
-
+          git checkout pr-${{ github.event.pull_request.number }} -- letta/
       - name: Set up python 3.12
         id: setup-python
         uses: actions/setup-python@v5