Add funder query param for opportunities

[hminsky2002]

This commit adds in a funder query parameter to the opportunities handler, and corresponding database query, that allows for filtering on funder shortCode.

Closes #2372

[Copilot]

Pull request overview

Adds optional filtering of the existing GET /opportunities endpoint by funder shortCode, implemented end-to-end from request parsing through SQL query execution, with integration tests and changelog documentation.

Changes:

• Add funder query parameter to GET /opportunities OpenAPI spec and handler parsing.
• Thread optional funderShortCode into the opportunities bundle loader and SQL query to filter results.
• Add integration tests for valid filtering and invalid filter validation; document in CHANGELOG.md.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/openapi/paths/opportunities.json	Documents new optional funder query parameter for listing opportunities.
src/handlers/opportunitiesHandlers.ts	Extracts funder from query string and passes it into the bundle loader.
src/database/queries/opportunities/selectWithPagination.sql	Adds optional funder short code filtering to the opportunities query.
src/database/operations/opportunities/loadOpportunityBundle.ts	Extends bundle loader to accept optional funderShortCode parameter.
src/tests/opportunities.int.test.ts	Adds integration tests for funder filtering and invalid filter handling.
package-lock.json	Lockfile metadata updates (adds peer: true flags).
CHANGELOG.md	Notes the new optional funder query parameter on GET /opportunities.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.56%. Comparing base (5f1c8b1) to head (847d397).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2428   +/-   ##
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  Coverage   93.56%   93.56%           
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  Files         303      303           
  Lines        3838     3840    +2     
  Branches      515      517    +2     
=======================================
+ Hits         3591     3593    +2     
  Misses        246      246           
  Partials        1        1           

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[Copilot]

Pull request overview

Copilot reviewed 8 out of 8 changed files in this pull request and generated 1 comment.

[Copilot]

Pull request overview

Copilot reviewed 9 out of 9 changed files in this pull request and generated no new comments.

[hminsky2002]

@slifty addressed the coercion issue, good catch from ze bot