👻 Fixed hint generation bugs and added tests

[JonahSussman]

Summary by CodeRabbit

• New Features

  • Added comprehensive integration tests simulating multi-client workflows for incident and solution management.
  • Introduced a JSON schema file defining expected API request structures for incident and solution management endpoints.

• Bug Fixes

  • Improved file version tracking and acceptance logic, ensuring accurate replacement and status updates for solution files.
  • Enhanced solution status handling to include both accepted and modified statuses in hint generation and retrieval.

• Chores

  • Updated dependencies to include the latest langchain-community package.
  • Improved error handling and logging in test scripts.

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📥 Commits

Reviewing files that changed from the base of the PR and between 1eaacd8 and 90a9ce9.

⛔ Files ignored due to path filters (1)

• kai_mcp_solution_server/uv.lock is excluded by !**/*.lock

📒 Files selected for processing (7)

• kai_mcp_solution_server/pyproject.toml (1 hunks)
• kai_mcp_solution_server/requirements.txt (3 hunks)
• kai_mcp_solution_server/src/kai_mcp_solution_server/db/dao.py (1 hunks)
• kai_mcp_solution_server/src/kai_mcp_solution_server/server.py (11 hunks)
• kai_mcp_solution_server/tests/data/test_multiple_integration/expected_tool_schemas.json (1 hunks)
• kai_mcp_solution_server/tests/mcp_loader_script.py (4 hunks)
• kai_mcp_solution_server/tests/test_multiple_integration.py (1 hunks)

Walkthrough

The changes introduce a new integration test suite for the MCP solution server, update the database schema and file versioning logic, adjust solution status handling, and add a JSON schema for API validation. Dependency and import paths are updated, and error handling is improved in the loader script.

Changes

File(s)	Change Summary
kai_mcp_solution_server/pyproject.toml	Added langchain-community>=0.3.25 to dependencies.
kai_mcp_solution_server/src/kai_mcp_solution_server/db/dao.py	Added created_at timestamp to DBFile; removed next_id and next relationship for file versioning.
kai_mcp_solution_server/src/kai_mcp_solution_server/server.py	Updated fake model import/init; refactored file versioning logic (removed next linkage); unified handling of accepted/modified statuses; streamlined file acceptance and solution update logic.
kai_mcp_solution_server/tests/data/test_multiple_integration/expected_tool_schemas.json	Added comprehensive JSON schema for API request validation covering incidents, solutions, hints, and file acceptance/rejection.
kai_mcp_solution_server/tests/mcp_loader_script.py	Changed console output to sys.stderr, updated import style, and improved error propagation by re-raising exceptions in the async context manager.
kai_mcp_solution_server/tests/test_multiple_integration.py	New async integration test suite simulating multi-client workflows: creates incidents/solutions, checks tool metadata, validates success rates, accepts files, and verifies best hint responses.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant Server
    participant DB

    Client->>Server: create_incident
    Server->>DB: Insert incident (with metadata)
    DB-->>Server: Incident ID

    Client->>Server: create_solution (before/after files)
    Server->>DB: Query latest DBFile by created_at
    alt No file or content differs
        Server->>DB: Insert new DBFile (with created_at)
    end
    Server->>DB: Insert solution linking incidents and files

    Client->>Server: accept_file
    Server->>DB: Create new DBFile for accepted file
    Server->>DB: Update solution's after files

    Client->>Server: get_success_rate
    Server->>DB: Query solutions by status (ACCEPTED/MODIFIED)
    Server-->>Client: Success rate result

    Client->>Server: get_best_hint
    Server->>DB: Query hints and solutions by status
    Server-->>Client: Best hint response

Loading

Suggested reviewers

• fabianvf

Poem

In the warren of code, new tests now hop,
With schemas and files, they never do stop.
Timestamps now track when a file’s brand new,
"Next" is retired—no more linking to do!
Integration’s a breeze, the server’s robust,
🐇 Cheers to the team—debugging’s a must!

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• 📝 Generate Docstrings

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[JonahSussman]

Instead of doing a linked list, I'm simply storing the created_at timestamp