AgenticCode/openspec/changes/wire-responses-api/specs/chat-ui/spec.md at 1614a61617dd2c82af1deb127a99e4ff9ce97cf3

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local 1614a61617 feat: add basic chat interface with MudBlazor and propose responses API integration

Install MudBlazor 9.2.0, replace Bootstrap layout with MudLayout/MudAppBar,
create Chat.razor with message list, text input, auto-scroll, and hardcoded
responses. Add ChatMessage shared model. Remove template pages (Counter,
Weather), move health check to /health. Include OpenSpec change artifacts
for the upcoming wire-responses-api work.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-04-04 01:24:40 +01:00

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MODIFIED Requirements

Requirement: Hardcoded response

The assistant SHALL reply with a real AI response streamed from the backend API, replacing the previous hardcoded stub. Tokens appear incrementally as they arrive.

Scenario: Bot replies with streamed AI response

WHEN the user sends any message
THEN the assistant message appears and grows token by token as the stream delivers text

Requirement: Message input

The chat page SHALL provide a text input area at the bottom of the page where the user can type and submit messages.

Scenario: Submit via button

WHEN the user types text and clicks the send button
THEN the message is added to the conversation and the input is cleared

Scenario: Submit via Enter key

WHEN the user types text and presses Enter
THEN the message is submitted (same as clicking send)

Scenario: Empty input blocked

WHEN the user attempts to send an empty or whitespace-only message
THEN nothing is sent and no message is added

Scenario: Input disabled during streaming

WHEN the assistant is currently streaming a response
THEN the input field and send button are disabled until streaming completes

ADDED Requirements

Requirement: Thinking indicator

The chat page SHALL show a visual indicator while waiting for the first token from the assistant.

Scenario: Indicator shown during wait

WHEN the user sends a message and the assistant has not yet started streaming
THEN a thinking indicator (e.g., animated dots) is shown in the assistant message area

Scenario: Indicator replaced by content

WHEN the first token arrives from the stream
THEN the thinking indicator is replaced by the streamed text

1.7 KiB Raw Blame History