Add conversational agent app project

[yuanchaoma-db]

This is for publishing it to marketplace, similar to the ka-chat-bot project.

[Copilot]

Pull Request Overview

Adds a new “conversational-agent-app” Databricks App for natural-language data queries via the Genie Conversation APIs.

• Introduces dependency pins and SDK requirement
• Implements the Genie client (genie_room.py) and entrypoints for query flows
• Supplies manifest, deployment config, docs, and ownership metadata

Reviewed Changes

Copilot reviewed 39 out of 39 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
requirements.txt	Defines Python dependencies for the Dash UI and Databricks SDK
manifest.yaml	Declares app metadata, resource specs, and API scopes
genie_room.py	Implements GenieClient and conversation helpers
app.yaml	Configures the container command and environment variable mapping
README.md	Provides usage instructions, features, and deployment steps
CODEOWNERS	Assigns ownership for the new app directory

Comments suppressed due to low confidence (2)

conversational-agent-app/genie_room.py:190

• Consider adding unit tests for process_genie_response to cover both text and query attachment paths, ensuring DataFrame construction and fallback logic behave as expected.

def process_genie_response(client, conversation_id, message_id, complete_message) -> Tuple[Union[str, pd.DataFrame], Optional[str]]:

conversational-agent-app/app.yaml:7

• The valueFrom key must be indented under the same list item as - name. It should be:

env:
  - name: "SERVING_ENDPOINT_NAME"
    valueFrom: "serving_endpoint"

  valueFrom: "serving_endpoint"

[yuanchaoma-db]

Thanks @alexott ! Comments addressed PTAL!