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[Morieity]

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[Copilot]

Pull request overview

This pull request broadens the project’s onboarding/docs and updates both backend chat orchestration (RAG retrieval + fault-tree tool flow) and the frontend fault-tree UX, while also adding GitHub Action/agent prompt scaffolding.

Changes:

• Refactors ChatUseCase into smaller chat services (retrieval/context building/streaming/fault-tree flow) and forces tool-calling in the LLM tool path.
• Updates frontend home full-screen section sizing and improves fault-tree workspace node creation and chat-to-tree navigation fallback.
• Adds/updates repo documentation and introduces GitHub Actions demo + speckit agent/prompt configuration.

Reviewed changes

Copilot reviewed 42 out of 43 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
tests/test_work_order_use_case_unit.py	Updates vector store test stub to include search_by_sources.
tests/test_fault_tree_fallback_unit.py	Updates vector store test stub to include search_by_sources.
tests/test_chat_post_fault_tree_persistence.py	Updates vector store test stub to include search_by_sources.
README.md	Rewrites onboarding docs and environment/setup instructions.
frontend/src/features/home/Home.js	Uses a measured viewport height and splits “数据/功能” into separate full-screen sections.
frontend/src/features/flow/utils/flowConfig.js	Switches node ID generation to timestamp/random-based IDs to avoid backend ID collisions.
frontend/src/features/flow/services/faultTreeApi.js	Adds API call to fetch a fault tree by conversation ID.
frontend/src/features/flow/components/tree/FaultTreeWorkspace.js	Improves new-node placement and selection handling; forces Background remount on variant changes.
frontend/src/features/flow/components/chat/AiChatPanel.js	Adds fallback loading of fault tree via conversation ID when persisted tree ID is missing.
Backend/Infrastructure/llm/LLMService.py	Forces tool-calling in chat_with_tools via tool_choice.
Backend/Application/UseCases/ChatUseCase.py	Major refactor to delegate to new chat services and unified response state handling.
Backend/Application/Chat/RagRetrievalService.py	New service encapsulating GraphRAG + fallback vector retrieval.
Backend/Application/Chat/FaultTreeIntentDetector.py	New intent detector extracted from ChatUseCase.
Backend/Application/Chat/FaultTreeChatFlow.py	New fault-tree flow combining streaming answer + async tool execution.
Backend/Application/Chat/ChatStreamingService.py	New service for plain streaming chat execution and state updates.
Backend/Application/Chat/ChatPrompts.py	Extracts system prompt + tool/stream task prompt builders.
Backend/Application/Chat/ChatModels.py	Adds dataclasses for retrieval/context build results and response state.
Backend/Application/Chat/ChatConversationService.py	New service for conversation lifecycle events and persistence.
Backend/Application/Chat/ChatContextBuilder.py	New service for context-manager integration and message assembly.
Backend/Application/Chat/ChatConfig.py	New configuration module for retrieval/fault-tree generation defaults.
Backend/Application/Chat/init.py	Initializes Chat application services package.
.gitignore	Adjusts ignore rules (notably related to repo tooling artifacts).
.github/workflows/.github-actions-demo.yml	Adds a demo GitHub Actions workflow.
.github/prompts/speckit.taskstoissues.prompt.md	Adds speckit prompt stub/front-matter for task-to-issues.
.github/prompts/speckit.tasks.prompt.md	Adds speckit prompt stub/front-matter for tasks generation.
.github/prompts/speckit.specify.prompt.md	Adds speckit prompt stub/front-matter for spec generation.
.github/prompts/speckit.plan.prompt.md	Adds speckit prompt stub/front-matter for planning.
.github/prompts/speckit.implement.prompt.md	Adds speckit prompt stub/front-matter for implementation.
.github/prompts/speckit.constitution.prompt.md	Adds speckit prompt stub/front-matter for constitution updates.
.github/prompts/speckit.clarify.prompt.md	Adds speckit prompt stub/front-matter for clarification workflow.
.github/prompts/speckit.checklist.prompt.md	Adds speckit prompt stub/front-matter for checklist generation.
.github/prompts/speckit.analyze.prompt.md	Adds speckit prompt stub/front-matter for cross-artifact analysis.
.github/agents/speckit.taskstoissues.agent.md	Adds speckit agent definition for converting tasks into GitHub issues.
.github/agents/speckit.tasks.agent.md	Adds speckit agent definition for tasks.md generation.
.github/agents/speckit.specify.agent.md	Adds speckit agent definition for spec.md generation.
.github/agents/speckit.plan.agent.md	Adds speckit agent definition for plan.md generation.
.github/agents/speckit.implement.agent.md	Adds speckit agent definition for executing tasks.md implementation.
.github/agents/speckit.constitution.agent.md	Adds speckit agent definition for constitution maintenance.
.github/agents/speckit.clarify.agent.md	Adds speckit agent definition for spec clarification flow.
.github/agents/speckit.checklist.agent.md	Adds speckit agent definition for requirements-quality checklists.
.github/agents/speckit.analyze.agent.md	Adds speckit agent definition for consistency/quality analysis.
.github/agents/copilot-instructions.md	Adds auto-generated Copilot repo instructions/tech context.
.env	Adds environment variable file content (currently includes a key).

Comments suppressed due to low confidence (2)

README.md:200

• The directory structure example shows a rag/Backend/ layout, but the repo uses Backend/ and frontend/ at the root. Please align this tree (and related path references like rag/frontend) with the actual repository folders to avoid broken copy/paste instructions.
  .github/agents/copilot-instructions.md:24
• The documented project structure/commands here don’t match the repo layout (e.g., shows backend/ but the repo has Backend/, and suggests cd src; pytest even though there is no src/ at repo root). Update these paths/commands to reflect the real directories so the guidance is actionable.

## Project Structure

```text
backend/
frontend/
tests/

Commands

cd src; pytest; ruff check .

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