tests: add unit tests for api/tools/tools.py (fixes #298)

[124padmini]

Summary

Adds unit tests for chatbot-core/api/tools/tools.py which had zero test coverage.

Tests Added

File: tests/unit/tools/test_tools.py

• TestSearchStackoverflowThreads — 2 tests
• TestSearchPluginDocs — 3 tests (with/without plugin name, invalid plugin)
• TestSearchJenkinsDocs — 1 test
• TestSearchCommunityThreads — 1 test (verifies semantic_weight=0.7)

Results

All 7 tests are passing locally.

Closes #298

[124padmini]

Hi @krisstern, @shivaylamba, and @chiraggupta, could you please approve the pending workflows and review when you get a chance? Happy to make any changes needed.
Thanks!

[berviantoleo]

Please run the test and lint in your local before running it here

[berviantoleo]

Your commit email and your current user is unmatched. Please use the appropriate emails for your commits.

[124padmini]

Fixed the commit email mismatch and resolved the Pylint trailing whitespace issue. All 9 tests passing locally with Pylint score 10/10. Pushed the updated commit.

[berviantoleo]

Your commit email and your current user is unmatched. Please use the appropriate emails for your commits.

This commit aed06b7 is still unmatch.

[124padmini]

Fixed the commit email mismatch on all commits. Both commits now use the correct GitHub no-reply email.

[124padmini]

Hi @berviantoleo, all commit emails are now fixed, and all checks are passing. Could you please approve the pending workflows when you get a chance? Thanks!

[124padmini]

Hi @berviantoleo, @krisstern — all commit emails are fixed and all 21 checks are passing. Could you please take a final look when you get a chance? Happy to make any further changes. Thanks!